[android-developers] Re: Depth buffer issue: Advice for anyone experiencing problem

[Andrew Smith]

genpfault on StackOverflow.com pointed out that you need to use a
value of 65536 with glClearDepthx to get the result you expect from a
value of 1. I have confirmed that this is correct. So this is more a
case of incorrect documentation, rather than a bug as such.

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[android-developers] Re: two list selectors or new state for the current selector

[poohtbear]

Hi Kostya.
1. i know how to add a new attribute to the selector, i can do it
programatically using the original list's selector and save me some
work.
2. in StateListDrawable you have a protected method that acts on those
states, and it's stated specifically that you need to override it to
act on your own states, so just adding a state will not do, i need my
own StateListDrawable.
3. how and where in ListView the selector states are determined ?
KeyDown\KeyUp events ? pointerPressed events ? is there a  main
function where it all goes to to set the current selector state on a
specific list item that i can override ? i'm not sure this method wont
be private making me override lots of other methods...
4. it would have been easier if you could just post a simple selector
xml and a short ListView example that uses the new state, what you
wrote here is pretty much just stating the obvious in high level
without giving the specific details i wondered about...

5. i think i explained that i can't just 'set the background' because
than the selected and clicked drawables will be hidden by that
background. i didn't check though what will happen if the background
will be StateListDrawable itself.

On Jan 13, 5:21 pm, Kostya Vasilyev  wrote:
> You can probably do this by:
>
> - Creating your own styleable to declare the new attribute;
> - Creating your own state-list drawable to use the new atribute;
> - Setting it as the "listSelector" for the list view;
> - Subclassing ListView to propagate the new attribute value into the
> selector.
>
> On the other hand, it's probably going to be easier to just set the
> background color in your adapter's getView.
>
> -- Kostya
>
> 13.01.2011 18:01,poohtbearпишет:
>
>
>
> > I have a list view with relativeLayout with all sorts of widgets
> > (TextViews, RatingBars, ImageViews etc...).
> > I use my own adapter to populate the ListView.
>
> > The items in the adapter, besides being selected \ pressed \not
> > focused have an extra state: 'viewed'.
> > Baiscally i want that items that have state viewed set to true will be
> > drawn with blue background and items with viewed set to false with
> > white\transparent background.
>
> > The problem is that i can't set the background on the View itself
> > since it will hide the selector, i'm not sure regarding adding extra
> > state since i know how to add it using addState on the current
> > selector, but i have no clue how to cause the list to use the extra
> > state, or how to use different selector for different item types.
>
> > Any help ?
>
> --
> Kostya Vasilyev -- WiFi Manager + pretty widget 
> --http://kmansoft.wordpress.com

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Re: [android-developers] Re: BOOT_COMPLETED not being heard

[Kevin Duffey]

Curious, too late for 2.3.. but is there any reason the boot notification
cant be sent out AFTER the sdcard is mounted? Does it take that long to
mount it? Would have thought a flash memory card, much like SSD, would be
pretty darn fast to mount.

On Sat, Jan 15, 2011 at 10:49 PM, Dianne Hackborn wrote:

> Sorry, you can point them to that documentation if you want.  This is a
> pretty fundamental aspect of the behavior of the SD card.
>
>
> On Sat, Jan 15, 2011 at 10:16 PM, Zsolt Vasvari wrote:
>
>> That's all good, but the end users don't understand these restrictions
>> and downrank your app if you don't offer the SD card option.  I've
>> experienced this first hand -- even if my app is only 1MB.
>>
>>
>>
>> On Jan 16, 11:44 am, Dianne Hackborn  wrote:
>> > Yes because the apps on SD card are not mounted by the time the boot
>> > completed broadcast is sent.
>> >
>> > The restrictions, including BOOT_COMPLETED, are documented here:
>> >
>> > http://developer.android.com/guide/appendix/install-location.html
>> >
>> > Note
>> that
>> > it should be clear by this that the feature is *not* intended for use by
>> > most applications.  The target for it is really large games or other
>> large
>> > applications that are self-contained and don't interact with other parts
>> of
>> > the system.  The fact that the app can disappear at any point in order
>> to
>> > transfer data with the SD card is limiting in what it makes sense for
>> such
>> > apps to do.
>> >
>> >
>> >
>> >
>> >
>> > On Sat, Jan 15, 2011 at 6:47 PM, Zsolt Vasvari 
>> wrote:
>> > > Really?  That's not good.  I am really starting to think that the move
>> > > to SD card option is more trouble than it's worth.
>> >
>> > > Of course, not offerring this is an invitation for morons who give 1-
>> > > stars for any app that doesn't offer it, no matter how small.
>> >
>> > > On Jan 16, 10:33 am, Ken H  wrote:
>> > > > Figured out the problem...a little pissed by it.
>> >
>> > > > Apparently, if your app is designed to listen for the BOOT_COMPLETED
>> > > > broadcast, and you allow it to be moved to the SD card, it will not
>> > > > hear the BOOT_COMPLETED message. Annoying to say the least.
>> >
>> > > > Just out of curiosity, after spending several hours trying to fix
>> it,
>> > > > does anybody know why this is?
>> >
>> > > > Ken H
>> >
>> > > --
>> > > You received this message because you are subscribed to the Google
>> > > Groups "Android Developers" group.
>> > > To post to this group, send email to
>> android-developers@googlegroups.com
>> > > To unsubscribe from this group, send email to
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>> 
>> > > For more options, visit this group at
>> > >http://groups.google.com/group/android-developers?hl=en
>> >
>> > --
>> > Dianne Hackborn
>> > Android framework engineer
>> > hack...@android.com
>> >
>> > Note: please don't send private questions to me, as I don't have time to
>> > provide private support, and so won't reply to such e-mails.  All such
>> > questions should be posted on public forums, where I and others can see
>> and
>> > answer them.- Hide quoted text -
>> >
>> > - Show quoted text -
>>
>> --
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>>
>
>
>
> --
> Dianne Hackborn
> Android framework engineer
> hack...@android.com
>
>
> Note: please don't send private questions to me, as I don't have time to
> provide private support, and so won't reply to such e-mails.  All such
> questions should be posted on public forums, where I and others can see and
> answer them.
>
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Re: [android-developers] Re: two list selectors or new state for the current selector

[Kostya Vasilyev]

2 - I haven't had to override StateListDrawable when adding a new state for
my drawables. I only had to override getDrawableState in the view (subclass)
to make sure that my new state gets propageted into the drawable's state
array.

3 - No, I don't. I just know there is a separate drawable for the selector.

Looking at the source, AbsListView has a onCreateDrawableState() method that
you can override (it's a framework method that is meant to be overriden, so
it's protected).

http://www.netmite.com/android/mydroid/frameworks/base/core/java/android/widget/AbsListView.java

And it looks like AbsListView just copies its own state into the selector
state (same file, drawableStateChanged).

So the issue is how to push your state, which is per-item, into the list
view selector. I would do this with a custom interface in the adapter, there
are probably other ways too.

4 - I haven't actually done the exact thing you're trying to do, so don't
have code I could post. I am sharing some ideas, hoping that they might be
useful to you.

5 - Gmail for Android uses the background color to indicate read / unread
state for messages (in the message list view). This background is overriden
by the selector, just like you are saying, but frankly, I never noticed
until now, when I went to check what it looks like there.

Here is another idea - if you are building a non-standard,
graphics-intensive UI, perhaps you could use a selector drawable that shows
pressed/selected states in a non-standard way, too. I did this for my
current project, and quite liked the look (YMMV):

http://kmansoft.wordpress.com/2011/01/11/checkable-image-button/

-- Kostya

2011/1/16 poohtbear 

> Hi Kostya.
> 1. i know how to add a new attribute to the selector, i can do it
> programatically using the original list's selector and save me some
> work.
> 2. in StateListDrawable you have a protected method that acts on those
> states, and it's stated specifically that you need to override it to
> act on your own states, so just adding a state will not do, i need my
> own StateListDrawable.
> 3. how and where in ListView the selector states are determined ?
> KeyDown\KeyUp events ? pointerPressed events ? is there a  main
> function where it all goes to to set the current selector state on a
> specific list item that i can override ? i'm not sure this method wont
> be private making me override lots of other methods...
> 4. it would have been easier if you could just post a simple selector
> xml and a short ListView example that uses the new state, what you
> wrote here is pretty much just stating the obvious in high level
> without giving the specific details i wondered about...
>
> 5. i think i explained that i can't just 'set the background' because
> than the selected and clicked drawables will be hidden by that
> background. i didn't check though what will happen if the background
> will be StateListDrawable itself.
>
> On Jan 13, 5:21 pm, Kostya Vasilyev  wrote:
> > You can probably do this by:
> >
> > - Creating your own styleable to declare the new attribute;
> > - Creating your own state-list drawable to use the new atribute;
> > - Setting it as the "listSelector" for the list view;
> > - Subclassing ListView to propagate the new attribute value into the
> > selector.
> >
> > On the other hand, it's probably going to be easier to just set the
> > background color in your adapter's getView.
> >
> > -- Kostya
> >
> > 13.01.2011 18:01,poohtbearпишет:
> >
> >
> >
> > > I have a list view with relativeLayout with all sorts of widgets
> > > (TextViews, RatingBars, ImageViews etc...).
> > > I use my own adapter to populate the ListView.
> >
> > > The items in the adapter, besides being selected \ pressed \not
> > > focused have an extra state: 'viewed'.
> > > Baiscally i want that items that have state viewed set to true will be
> > > drawn with blue background and items with viewed set to false with
> > > white\transparent background.
> >
> > > The problem is that i can't set the background on the View itself
> > > since it will hide the selector, i'm not sure regarding adding extra
> > > state since i know how to add it using addState on the current
> > > selector, but i have no clue how to cause the list to use the extra
> > > state, or how to use different selector for different item types.
> >
> > > Any help ?
> >
> > --
> > Kostya Vasilyev -- WiFi Manager + pretty widget --
> http://kmansoft.wordpress.com
>
> --
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Re: [android-developers] Re: BOOT_COMPLETED not being heard

[Marcin Orlowski]

On 16 January 2011 07:49, Dianne Hackborn  wrote:
> Sorry, you can point them to that documentation if you want.  This is a
> pretty fundamental aspect of the behavior of the SD card.

Are you kidding? I'd say that forseeing such user behaviour is pretty
fundamental when you design anything. It'd not hurt too add a warning
popup telling user to confirm "move to sd card" and ack s/he
understand the risk of certain features of the app (which can easlily
be told in most cases based on app's Manifest) simply just won't work.
Assuming users are by default smart not stupid is stupid, not smart.

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[android-developers] Re: BOOT_COMPLETED not being heard

[Zsolt Vasvari]

I agree.  A "smart" user wouldn't complain in the first place about
not having the "Move to SD card" option for a 1MB app.

On Jan 16, 6:12 pm, Marcin Orlowski  wrote:
> On 16 January 2011 07:49, Dianne Hackborn  wrote:
>
> > Sorry, you can point them to that documentation if you want.  This is a
> > pretty fundamental aspect of the behavior of the SD card.
>
> Are you kidding? I'd say that forseeing such user behaviour is pretty
> fundamental when you design anything. It'd not hurt too add a warning
> popup telling user to confirm "move to sd card" and ack s/he
> understand the risk of certain features of the app (which can easlily
> be told in most cases based on app's Manifest) simply just won't work.
> Assuming users are by default smart not stupid is stupid, not smart.

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Re: [android-developers] Sliding Drawer question

[Mark Murphy]

SlidingDrawer definitely exists. It may be there is a problem with it
and the Eclipse UI builder. Try adding it to your XML manually.

Here is a trivial sample project showing the use of a SlidingDrawer:

https://github.com/commonsguy/cw-android/tree/master/Fancy/DrawerDemo

On Sat, Jan 15, 2011 at 11:24 PM, Scott Deutsch  wrote:
> Hello group.
>
> I tried to add a Sliding Drawer through the visual xml builder thingy,
> but it is telling me "The following classes cannot be found
> SlidingDrawer". Why is that?
>
> They they take that out in the SDK or something?
>
> What should I try?
>
> Thanks group!
>
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Re: [android-developers] Re: BOOT_COMPLETED not being heard

[Jonas Petersson]

On 01/16/2011 12:21 PM, Zsolt Vasvari wrote:

I agree.  A "smart" user wouldn't complain in the first place about
not having the "Move to SD card" option for a 1MB app.


Opinion: It would be nice if the "Move to SD card"-function could detect 
that the application requests for instance BOOT_COMPLETED or has a 
widget etc and inform the user that those functions will no longer work 
as expected if the move is completed. This assumes that the application 
isn't installed on the SD by default and that the user understands the 
warning so I'm not really holding my breath for it.


I guess the best you can do as a developer is to detect that the app is 
running from SD and inform the user about the drawbacks on the next 
start. Hardly ideal, but better than nothing. At least the explanation 
can then be very specific as opposed to what a generic function would 
have to state.


As with many apps, it is not obvious that the automatic startup or 
widget function is a critical function of the application, it may just 
be a nice frill that is seldom used (I know my self that I really only 
ever use ONE widget and that one has no other function than being a 
widget - it shows the next few calendar items).


My few cents / Jonas


On Jan 16, 6:12 pm, Marcin Orlowski  wrote:

On 16 January 2011 07:49, Dianne Hackborn  wrote:


Sorry, you can point them to that documentation if you want.  This is a
pretty fundamental aspect of the behavior of the SD card.


Are you kidding? I'd say that forseeing such user behaviour is pretty
fundamental when you design anything. It'd not hurt too add a warning
popup telling user to confirm "move to sd card" and ack s/he
understand the risk of certain features of the app (which can easlily
be told in most cases based on app's Manifest) simply just won't work.
Assuming users are by default smart not stupid is stupid, not smart.




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Re: [android-developers] Re: BOOT_COMPLETED not being heard

[Kostya Vasilyev]

Agreed.

The intended use case for move to sd was for games or multimedia
applications, but I see users wanting to move even small applications.

It's actually a valid case for applications that have large code, or use a
large amount of data / cache storage (so move to sd makes sense), and also
have a widget or a service.

For widgets, the home screen could indicate that the widget is disabled,
similar to how it already does for missing widget providers (the "cannot
load gadget" message", btw, shouldn't that be "widget"?). This is already
better than removing it from the home screen without any indication
whatsoever.

The launcher could also keep the RemoteViews until the memory card is again
available, and then reinstate the widget to full working state. It already
does almost the same thing on orientation changes.

For services, it would have been possible to listen for
ACTION_EXTERNAL_APPLICATIONS_AVAILABLE and restart your service / reset your
alarms then, execept that the affected applications do not receive this
broadcast (I don't understand why, so I must be missing something).

-- Kostya

2011/1/16 Jonas Petersson 

> On 01/16/2011 12:21 PM, Zsolt Vasvari wrote:
>
>> I agree.  A "smart" user wouldn't complain in the first place about
>> not having the "Move to SD card" option for a 1MB app.
>>
>
> Opinion: It would be nice if the "Move to SD card"-function could detect
> that the application requests for instance BOOT_COMPLETED or has a widget
> etc and inform the user that those functions will no longer work as expected
> if the move is completed. This assumes that the application isn't installed
> on the SD by default and that the user understands the warning so I'm not
> really holding my breath for it.
>
> I guess the best you can do as a developer is to detect that the app is
> running from SD and inform the user about the drawbacks on the next start.
> Hardly ideal, but better than nothing. At least the explanation can then be
> very specific as opposed to what a generic function would have to state.
>
> As with many apps, it is not obvious that the automatic startup or widget
> function is a critical function of the application, it may just be a nice
> frill that is seldom used (I know my self that I really only ever use ONE
> widget and that one has no other function than being a widget - it shows the
> next few calendar items).
>
>My few cents / Jonas
>
>
>  On Jan 16, 6:12 pm, Marcin Orlowski  wrote:
>>
>>> On 16 January 2011 07:49, Dianne Hackborn  wrote:
>>>
>>>  Sorry, you can point them to that documentation if you want.  This is a
 pretty fundamental aspect of the behavior of the SD card.

>>>
>>> Are you kidding? I'd say that forseeing such user behaviour is pretty
>>> fundamental when you design anything. It'd not hurt too add a warning
>>> popup telling user to confirm "move to sd card" and ack s/he
>>> understand the risk of certain features of the app (which can easlily
>>> be told in most cases based on app's Manifest) simply just won't work.
>>> Assuming users are by default smart not stupid is stupid, not smart.
>>>
>>
>>
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Re: [android-developers] Re: BOOT_COMPLETED not being heard

[Mark Murphy]

On Sun, Jan 16, 2011 at 8:24 AM, Kostya Vasilyev  wrote:
> It's actually a valid case for applications that have large code

Bear in mind that a copy of the "large code" will also be on the
on-board storage.

> or use a
> large amount of data / cache storage (so move to sd makes sense), and also
> have a widget or a service.

"The .apk file is saved on the external storage, but all private user
data, databases, optimized .dex files, and extracted native code are
saved on the internal device memory."

http://developer.android.com/guide/appendix/install-location.html

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http://commonsware.com/blog | http://twitter.com/commonsguy

_Android Programming Tutorials_ Version 3.1 Available!

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Re: [android-developers] Re: BOOT_COMPLETED not being heard

[Kostya Vasilyev]

2011/1/16 Mark Murphy 

> On Sun, Jan 16, 2011 at 8:24 AM, Kostya Vasilyev 
> wrote:
> > It's actually a valid case for applications that have large code
>
> Bear in mind that a copy of the "large code" will also be on the
> on-board storage.
>

Thanks for the link - I just re-read it more carefully than before. It's too
bad, seems like the only win is for application resources.

Still, I have to agree with Jonas - the app management screen has all the
necessary data to inform the the user about apps that contain widgets or
listen for boot_completed (or other components listed at that page), and
could do this even for apps that don't allow move to sd in the manifest.


>
> > or use a
> > large amount of data / cache storage (so move to sd makes sense), and
> also
> > have a widget or a service.
>
> "The .apk file is saved on the external storage, but all private user
> data, databases, optimized .dex files, and extracted native code are
>  saved on the internal device memory."


> http://developer.android.com/guide/appendix/install-location.html
>
> --
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> http://commonsware.com | http://github.com/commonsguy
> http://commonsware.com/blog | http://twitter.com/commonsguy
>
> _Android Programming Tutorials_ Version 3.1 Available!
>
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[android-developers] Re: Camera properties

[Joe McCann]

Fairly certain you'll have to include the permissions declaration.
The other parts would require some hackery, I suppose.

On Jan 15, 4:15 am, b_t  wrote:
> Hi,
>
> is there any way to get camera properties without open it?
> I want to display camera properties but don't want to take a picture.
> I have to open camera, get properties, then release it:
>
>         Camera camera = Camera.open();
>
>         if (camera != null) {
>                 parameters = camera.getParameters();
>                 camera.release();
>         }
>
> And it needs android.permission.CAMERA permission. :(
>
> Is there any solution?
> Tamás

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[android-developers] WebView does not restoreState

[Bost]

Hallo,
my App uses a WebView. If the Webview is laoded by:

mwebView.loadData(htmlString, "text/html","utf-8");

all worked fine, including saveState and restoreState in
onSaveInstanceState () and onRestoreInstanceState().

I added images to htmlString. Therefore I had to replace loadData by

mwebView.loadDataWithBaseURL(baseUrl, htmlString, "text/html","utf-8",
null)

where baseUrl contains the images, which are included in htmlString by
the -tag.

The text and the images are displayed.
But the view is not restored in onRestoreInstanceState(Bundle
savedInstanceState) by

mwebView.restoreState(savedInstanceState);

Any suggestions?

BTW, savePicture() and restorePicture(), what are they good for?

Regards
Bost

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[android-developers] Re: ImageView, no scaling and gravity

[Henrik Lindqvist]

I've already tried that. It works if the bitmap is smaller than the
ImageView, it aligns to the right edge correctly. But, if the bitmap
is larger, its cropped at both left and right side. Seems like an
ImageView can't expand to be larger than it's parent, even inside an
FrameLayout.

Any trick to make a ImageView larger than it's parent FrameLayout?


On Jan 16, 7:20 am, Zsolt Vasvari  wrote:
> Use a layout that supports the android:layout_gravity attribute, such
> as FrameLayout.  The regular android:gravity is only used the
> TextViews to position the text if the view is larger than the text.
>
> On Jan 16, 11:12 am, Henrik Lindqvist 
> wrote:
>
> > I have a runtime generated Bitmap, for a RemoteView, that I wan't
> > displayed within a ImageView without scaling, so I use
> > scaleType="center". Now, if the bitmap is smaller than the ImageView I
> > wan't it to gravitate to the right. Or, if the bitmap is to large,
> > crop the left side.
>
> > ImageView seems to ignore gravity. I've tried everything. Nesing
> > inside a FrameLayout etc, nothing works! Any other options?

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Re: [android-developers] Re: ImageView, no scaling and gravity

[Mark Murphy]

On Sun, Jan 16, 2011 at 11:02 AM, Henrik Lindqvist
 wrote:
> I've already tried that. It works if the bitmap is smaller than the
> ImageView, it aligns to the right edge correctly. But, if the bitmap
> is larger, its cropped at both left and right side. Seems like an
> ImageView can't expand to be larger than it's parent, even inside an
> FrameLayout.

Of course. That's a rule for any container/child relationship in Android.

> Any trick to make a ImageView larger than it's parent FrameLayout?

Move it outside of the FrameLayout into some larger container. Or,
expand the FrameLayout.

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Re: [android-developers] Re: ImageView, no scaling and gravity

[Kostya Vasilyev]

I think it should work to put it inside a frame layout with exact values for
width/height (specifying maximum image size before cropping occurs). Then on
the image view, specify layout_gravity=right, and width/height as
wrap_content.

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16.01.2011 19:06 пользователь "Mark Murphy" 
написал:
> On Sun, Jan 16, 2011 at 11:02 AM, Henrik Lindqvist
>  wrote:
>> I've already tried that. It works if the bitmap is smaller than the
>> ImageView, it aligns to the right edge correctly. But, if the bitmap
>> is larger, its cropped at both left and right side. Seems like an
>> ImageView can't expand to be larger than it's parent, even inside an
>> FrameLayout.
>
> Of course. That's a rule for any container/child relationship in Android.
>
>> Any trick to make a ImageView larger than it's parent FrameLayout?
>
> Move it outside of the FrameLayout into some larger container. Or,
> expand the FrameLayout.
>
> --
> Mark Murphy (a Commons Guy)
> http://commonsware.com | http://github.com/commonsguy
> http://commonsware.com/blog | http://twitter.com/commonsguy
>
> _Android Programming Tutorials_ Version 3.1 Available!
>
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Re: [android-developers] Re: Depth buffer issue: Advice for anyone experiencing problem

[Kostya Vasilyev]

Sounds like the parameter is a 16:16 fixed point number, and that's what the
method name suffix is hinting at. It's glClearDepthx, not glClearDepthi for
a reason.

http://www.opengl.org/registry/specs/OES/OES_fixed_point.txt

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16.01.2011 11:09 пользователь "Andrew Smith"  написал:

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[android-developers] Re: ImageView, no scaling and gravity

[Henrik Lindqvist]

On Jan 16, 5:04 pm, Mark Murphy  wrote:

> On Sun, Jan 16, 2011 at 11:02 AM, Henrik Lindqvist
>
>  wrote:
> > I've already tried that. It works if the bitmap is smaller than the
> > ImageView, it aligns to the right edge correctly. But, if the bitmap
> > is larger, its cropped at both left and right side. Seems like an
> > ImageView can't expand to be larger than it's parent, even inside an
> > FrameLayout.
>
> Of course. That's a rule for any container/child relationship in Android.

If a child view can't be larger than it's parent, how does a
ScrollView work?

>
> > Any trick to make a ImageView larger than it's parent FrameLayout?
>
> Move it outside of the FrameLayout into some larger container. Or,
> expand the FrameLayout.

I can't, it's an AppWidget.

>
> --
> Mark Murphy (a Commons 
> Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy
>
> _Android Programming Tutorials_ Version 3.1 Available!

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[android-developers] Re: ImageView, no scaling and gravity

[Henrik Lindqvist]

On Jan 16, 5:19 pm, Kostya Vasilyev  wrote:
> I think it should work to put it inside a frame layout with exact values for
> width/height (specifying maximum image size before cropping occurs). Then on
> the image view, specify layout_gravity=right, and width/height as
> wrap_content.
>

layout_gravity=right, and width/height as wrap_content is what I do
now. Almost works.

Setting width/height on the FrameLayout is a problem. It's an
AppWidget so I don't really know the size. How does this affect the
offset of the child?

If only ImageView could honor gravity this wouldn't be a problem. Or
setting custom typefaces through xml. Sigh.

> --
> Kostya Vasilyev --http://kmansoft.wordpress.com
> 16.01.2011 19:06 пользователь "Mark Murphy" 
> написал:
>
> > On Sun, Jan 16, 2011 at 11:02 AM, Henrik Lindqvist
> >  wrote:
> >> I've already tried that. It works if the bitmap is smaller than the
> >> ImageView, it aligns to the right edge correctly. But, if the bitmap
> >> is larger, its cropped at both left and right side. Seems like an
> >> ImageView can't expand to be larger than it's parent, even inside an
> >> FrameLayout.
>
> > Of course. That's a rule for any container/child relationship in Android.
>
> >> Any trick to make a ImageView larger than it's parent FrameLayout?
>
> > Move it outside of the FrameLayout into some larger container. Or,
> > expand the FrameLayout.
>
> > --
> > Mark Murphy (a Commons Guy)
> >http://commonsware.com|http://github.com/commonsguy
> >http://commonsware.com/blog|http://twitter.com/commonsguy
>
> > _Android Programming Tutorials_ Version 3.1 Available!
>
> > --
> > You received this message because you are subscribed to the Google
> > Groups "Android Developers" group.
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> > To unsubscribe from this group, send email to
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[android-developers] Mystery device missing style attributes?

[Brill Pappin]

I'm getting this exception:

java.lang.ArrayIndexOutOfBoundsException
at android.content.res.TypedArray.getDimensionPixelSize(TypedArray.java:455)

from this code:

TypedArray array = 
context.getTheme().obtainStyledAttributes(style, 
new int[] { android.R.attr.textSize });

int textSize = array.getDimensionPixelSize(array.getResourceId(0, 0), 
defValue);


I'm expecting a standard value from the system since thats what I'm asking 
for.

It actually works on all devices I can get my hands on and of course the 
error reporting doesn't tell me anything useful except a stack trace.


Does anyone have a solution that might work instead of this one?

Does anyone know what device this might be?



I do know that it has to be a 2.2 device or better because I've made the 
minimum 2.2 (froyo)

At the moment the only idea I can come up with is to simply send a static 
value, but I'm obviously going to have to guess what the device is.


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[android-developers] Re: getExternalStorageDirectory()

[Bob Kerns]

Actually, use:

File pathDir = Environment.getExternalStorageDirectory();

That is, don't use toString() unless and until you actually need it. A
File object is more useful.

Don't perform string operations to construct file paths.  For example,
write

File logDir = new File(pathDir, "logg");
logDir.mkdirs();
File logFile = new File(logDir, generateLogDirName());
OutputStream logStream = new FileOutputStream(logfile);
BufferedWriter logWriter = new  BufferedWriter(new
OutputStreamWriter(logStream, "UTF-8"));

No toString() method needed -- wanted!

On Jan 14, 6:58 am, Kumar Bibek  wrote:
> The abolute path to the external storage might be different. The correct way
> to access the path is
>
> String fPathDir =
> Environment.
> getExternalStorageDirectory().toString();
>
> Don't care what it returns, just use this.
>
> Kumar Bibekhttp://techdroid.kbeanie.comhttp://www.kbeanie.com
>
>
>
>
>
>
>
> On Fri, Jan 14, 2011 at 1:59 PM, Nroblex  wrote:
> > Hello Gurus!
>
> > I am very new to java and Android development. So this is perhaps a
> > very simple question for you.
>
> > I am developing on a HTC Desire and I am trying to create a loggdir on
> > my storage card.
> > if I use the suggested function getExternalStorageDirectory like this
> > "String fPathDir =
> > Environment.getExternalStorageDirectory().toString();"
> > this returns /mnt/SdCard and not /SdCard.
>
> > if I try to create a directory on in "/mnt/SdCard/logg"
> > with mkdirs() it throws an exception, but if I create a directory in
>
> > "/SdCard/logg" mkdirs() is successfull
>
> > What am I missing here?
>
> > Thanks in advance
> > //Nroblex
>
> > --
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Re: [android-developers] Re: getExternalStorageDirectory()

[Kumar Bibek]

Yup, thats better. :)

Kumar Bibek
http://techdroid.kbeanie.com
http://www.kbeanie.com



On Sun, Jan 16, 2011 at 11:15 PM, Bob Kerns  wrote:

> Actually, use:
>
> File pathDir = Environment.getExternalStorageDirectory();
>
> That is, don't use toString() unless and until you actually need it. A
> File object is more useful.
>
> Don't perform string operations to construct file paths.  For example,
> write
>
> File logDir = new File(pathDir, "logg");
> logDir.mkdirs();
> File logFile = new File(logDir, generateLogDirName());
> OutputStream logStream = new FileOutputStream(logfile);
> BufferedWriter logWriter = new  BufferedWriter(new
> OutputStreamWriter(logStream, "UTF-8"));
>
> No toString() method needed -- wanted!
>
> On Jan 14, 6:58 am, Kumar Bibek  wrote:
> > The abolute path to the external storage might be different. The correct
> way
> > to access the path is
> >
> > String fPathDir =
> > Environment.
> > getExternalStorageDirectory().toString();
> >
> > Don't care what it returns, just use this.
> >
> > Kumar Bibekhttp://techdroid.kbeanie.comhttp://www.kbeanie.com
> >
> >
> >
> >
> >
> >
> >
> > On Fri, Jan 14, 2011 at 1:59 PM, Nroblex  wrote:
> > > Hello Gurus!
> >
> > > I am very new to java and Android development. So this is perhaps a
> > > very simple question for you.
> >
> > > I am developing on a HTC Desire and I am trying to create a loggdir on
> > > my storage card.
> > > if I use the suggested function getExternalStorageDirectory like this
> > > "String fPathDir =
> > > Environment.getExternalStorageDirectory().toString();"
> > > this returns /mnt/SdCard and not /SdCard.
> >
> > > if I try to create a directory on in "/mnt/SdCard/logg"
> > > with mkdirs() it throws an exception, but if I create a directory in
> >
> > > "/SdCard/logg" mkdirs() is successfull
> >
> > > What am I missing here?
> >
> > > Thanks in advance
> > > //Nroblex
> >
> > > --
> > > You received this message because you are subscribed to the Google
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[android-developers] adb works, ddms shows nothing

[neuron]

adb works, I use it a lot. adb devices shows the device (a nexus one), 
shell/pull/push everything seems to work.

eclipse screws up, often.
ddms shows no devices connected, and in console I only get a few gtk window 
warnings.
Half the time when I start eclipse it keeps a neverending process running so 
i can't build anything. ddms shows no devices connected (and when I shut it 
down it doesn't quit properly, i have to ctrl+c it).

How can I debug this? (adb kill-server; adb start-server does not help)

This is on linux, ubuntu 10.10, kernel 2.6.37.

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Re: [android-developers] adb works, ddms shows nothing

[Anders Aagaard]

I just left this running, and after about 2 minutes it works!

However, it'd be awsome to not have to wait for minutes every time I start
ddms.

On Sun, Jan 16, 2011 at 6:58 PM, neuron  wrote:

> adb works, I use it a lot. adb devices shows the device (a nexus one),
> shell/pull/push everything seems to work.
>
> eclipse screws up, often.
> ddms shows no devices connected, and in console I only get a few gtk window
> warnings.
> Half the time when I start eclipse it keeps a neverending process running
> so i can't build anything. ddms shows no devices connected (and when I shut
> it down it doesn't quit properly, i have to ctrl+c it).
>
> How can I debug this? (adb kill-server; adb start-server does not help)
>
> This is on linux, ubuntu 10.10, kernel 2.6.37.
>
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[android-developers] Re: How to change width of a SeekBar?

[mark w]

Hi guys appreciate the work on Vidtry.  Have been playing with it to see if 
I can get a customized look going on a media player for some mp4 that I 
have.  Was not having much luck trying to override the VideoView methods to 
get it to look how I wanted.  Is it right that the seek bar is the vertical 
"block" that shows current playing location, which can be dragged to change 
location? Would it be difficult to extend vidtry to include this?  Or maybe 
I can add the fast forward, fast backward buttons.  Thanks again.  Mark  

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[android-developers] Re: Need help with sporadic exception ( SSL shutdown failed )

[Dustin]

Here's what I've learned in dealing with this particular problem on Android.

SSL connections are costly to set up.  Once set-up, the overhead of SSL 
isn't too bad.  To get around this issue, clients and servers can elect to 
keep a connection open, with the assumption that additional requests may be 
issued again soon (seconds or minutes).  Of course, keeping a connection 
open consumes valuable system resources, especially in high-transaction 
environment.  Clients and servers keep connections open via a "keep alive 
strategy".

Servers are in complete control of how long a socket connection is kept 
alive.  However, a nice server will often tell the client how long it is 
willing to keep a socket open via a non-standard response header, 
"Keep-Alive".  Examples of this header may look like this:

Keep-Alive: timeout=15, max=100
Keep-Alive: timeout=5, max=100
Keep-Alive: 300

The big issue with the "Broken pipe" is that a client doesn't know if the 
other side shut the connection down until it attempts to use the 
connection.  Thus, your client code grabs a connection from the connection 
manager, asks it to do something, only to get an IO Exception/Broken Pipe.

The solution I've found is to give a simple, custom keep-alive strategy as 
follows when you create your DefaultHttpClient:

mHttpClient.setKeepAliveStrategy(new ConnectionKeepAliveStrategy() {
@Override
public long getKeepAliveDuration(HttpResponse response, HttpContext 
context) {
return 60; // seconds
}
});

The Apache HttpClient tutorial page gives a better example if you are 
hitting various websites.  I chose to hard-code mine above because my client 
will hit one and only one HTTPS-enabled server which I have configured to 
have a keep-alive of 60 seconds.

Hope this helps!

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Re: [android-developers] Re: ImageView, no scaling and gravity

[Mark Murphy]

On Sun, Jan 16, 2011 at 11:48 AM, Henrik Lindqvist
 wrote:
>> Of course. That's a rule for any container/child relationship in Android.
>
> If a child view can't be larger than it's parent, how does a
> ScrollView work?

The visible bounds of the child are still not bigger than the visible
bounds of the parent.

>> > Any trick to make a ImageView larger than it's parent FrameLayout?
>>
>> Move it outside of the FrameLayout into some larger container. Or,
>> expand the FrameLayout.
>
> I can't, it's an AppWidget.

Inflate a different layout for the app widget, one where the ImageView
is moved outside the FrameLayout into a larger container, or expand
the FrameLayout.

-- 
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_The Busy Coder's Guide to *Advanced* Android Development_ Version 1.9
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[android-developers] Tracking someone else using Latitude (Android Tutorial Wanted)

[Chris Grant]

I have searched hard for a simple tutorial or example app that allows
a user to track the real-time location of someone else using Google
Latitude.  My goal is to track my wife while she runs and then build
up her stats and coarses using Latitude.  I can track myself no
problem via the many great tutorials out there, but have yet to find
an easy tutorial for tracking someone else..  My wife and I both have
gmail accounts and Android phones.

Does anyone out there have a snippet of code that shows how to do this
in an Android app?  Or can you point me to a real example?

Thanks,

Chris

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[android-developers] Re: HttpURLConnection gives UnknownHostException

[Paul Turchenko]

Define INTRNET permossion in your manifest :)

On Jan 16, 9:47 am, Dan  wrote:
> Thanks for the tips guys but none of these have solved the issue.
>
> On Jan 13, 10:39 pm, Rohan Dhamal  wrote:
>
>
>
>
>
>
>
> > Hi,
>
> >    Please check once, if there is any timeout occurring while
> > connecting with HttpURLConnection.
>
> > On Jan 13, 1:23 am, Ankur Avlani  wrote:
>
> > > True, I agree with what you say.  Its just that I feel, other apps should
> > > also break or give error.
>
> > > Anywayz, Thanks a lot for your inputs.
>
> > > regards,
> > > Ankur.
>
> > > On Wed, Jan 12, 2011 at 12:17 PM, Brill Pappin  wrote:
> > > > Well i suppose thats possible if your messing with the network stack,
> > > > but it's pretty low level for Java/Android.
> > > > I guess its also possible that the Android version you have has a
> > > > crappy stack or driver... or you have rooted it and have been messing
> > > > around under the covers so to speak.
>
> > > > There is nothing in Android really that would allow you to mess it up
> > > > that badly AFAIK, so I doubt it's your application causing the problem
> > > > if your not specifically getting under the covers.
>
> > > > However, the meaning of the exception is clear:
>
> > > >http://download.oracle.com/javase/1.4.2/docs/api/java/net/UnknownHost...
> > > > and your app doesn't really control the process of translating a
> > > > domain to an ip.
>
> > > > - Brill Pappin
>
> > > > On Jan 12, 2:54 pm, Ankur Avlani  wrote:
> > > > > Somehow I have this feeling it is related to my app only.  Other apps 
> > > > > on
> > > > the
> > > > > phone, I don't see any such issue.  Even when browsing on my phone, I
> > > > don't
> > > > > see any error.
>
> > > > > On Wed, Jan 12, 2011 at 11:41 AM, Kumar Bibek 
> > > > wrote:
> > > > > > By Wi-Fi, I meant, you phone's Wi-Fi could be turning on and off. 
> > > > > > There
> > > > is
> > > > > > no other reason I can think of. It happens for me as well, 
> > > > > > sometimes.
>
> > > > > > Kumar Bibek
> > > > > >http://techdroid.kbeanie.com
> > > > > >http://www.kbeanie.com
>
> > > > > > On Thu, Jan 13, 2011 at 1:10 AM, Ankur Avlani  > > > >wrote:
>
> > > > > >> I am sorry, that somehow doesn't convince me.  I am connected to 
> > > > > >> the
> > > > same
> > > > > >> wifi on my laptop and i never see any web page load error on my
> > > > laptop.
>
> > > > > >> On Wed, Jan 12, 2011 at 11:38 AM, Kumar Bibek  > > > >wrote:
>
> > > > > >>> Yup, then it's a problem with your Wi-Fi.
>
> > > > > >>> Kumar Bibek
> > > > > >>>http://techdroid.kbeanie.com
> > > > > >>>http://www.kbeanie.com
>
> > > > > >>> On Thu, Jan 13, 2011 at 1:07 AM, Ankur Avlani 
> > > > > >>>  > > > >wrote:
>
> > > > >  I am connected to network, I am on Wifi.  If i try again it 
> > > > >  works.
> > > >  Its
> > > > >  just random.
>
> > > > >  On Wed, Jan 12, 2011 at 11:34 AM, Kumar Bibek 
> > > > >   > > > >wrote:
>
> > > > > > This error/exception comes because of no network connectivity.
>
> > > > > > Kumar Bibek
> > > > > >http://techdroid.kbeanie.com
> > > > > >http://www.kbeanie.com
>
> > > > > > On Thu, Jan 13, 2011 at 1:02 AM, Ankur Avlani <
> > > > ankuravl...@gmail.com>wrote:
>
> > > > > >> Hi All,
>
> > > > > >> I am developing an application on Android.  I have seen that at
> > > > times
> > > > > >> when I try to connect using HttpURLConnection, for getting an
> > > > Image or
> > > > > >> anydata, I get the following error:
>
> > > > > >> 01-12 11:24:05.073: WARN/System.err(16780):
> > > > > >> java.net.UnknownHostException: Host is 
> > > > > >> unresolved:www.XXX.com:80.
>
> > > > > >> Note: I get this error on my Motorolla Droid and not in 
> > > > > >> emulator.
>
> > > > > >> Any ideas?
>
> > > > > >> Thanks,
> > > > > >> Ankur
>
> > > > > >>  --
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> > > > > >> Google
> > > > > >> Groups "Android Developers" group.
> > > > > >> To post to this group, send email to
> > > > > >> android-developers@googlegroups.com
> > > > > >> To unsubscribe from this group, send email to
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> > > > > >> For more options, visit this group at
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>
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> > > > > >ht

Re: [android-developers] Mystery device missing style attributes?

[Dianne Hackborn]

textSize is not defined in the platform's base theme.

These are the text size-related attributes in the theme:

   

































So the textSize attribute is rarely set as part of the base platform, except
inside of a TextAppearance style:

http://developer.android.com/reference/android/R.styleable.html#TextAppearance

So generally I wouldn't expect that code to work, unless textSize has been
explicitly supplied by you in a theme.  Instead, you need to retrieve the
resource of the TextAppearance size you want, and then can retrieve the
textSize from that.

That said, what *should* happen is you just get the default value you passed
in, because the theme doesn't hold its own value.  You should never get a
crash.  The obtainStyledAttributes() method is supposed to build an array of
values that corresponds to the array you passed in to it.  So a crash like
this is completely independent of whatever is defined in the theme, and just
an outright bug in whatever platform code it is running on.

Also your code has another issue where it is using array.getResourceId() --
once you do get down to the TextAppearance, generally the values there are
literals, not references to other resources.  So this also will always fail
(it doesn't have a resource id), even if textSize does have a value, again
resulting in you getting your default value.  You should just call
getDimensionPixelSize() with the array offset at which you want to retrieve
your value -- 0 in your case.

Oh.

That is probably the crash. :)  If for some reason there *is* some value for
textSize, if getResourceId() returns non-0, then you will pass a value > 0
to getDimensionPixelSize(), which is outside the array you originally passed
in.

On Sun, Jan 16, 2011 at 9:24 AM, Brill Pappin  wrote:

> I'm getting this exception:
>
> java.lang.ArrayIndexOutOfBoundsException
> at
> android.content.res.TypedArray.getDimensionPixelSize(TypedArray.java:455)
>
> from this code:
>
> TypedArray array = 
> context.getTheme().obtainStyledAttributes(style,
> new int[] { android.R.attr.textSize });
>
> int textSize = array.getDimensionPixelSize(array.getResourceId(0, 0),
> defValue);
>
>
> I'm expecting a standard value from the system since thats what I'm asking
> for.
>
> It actually works on all devices I can get my hands on and of course the
> error reporting doesn't tell me anything useful except a stack trace.
>
>
> Does anyone have a solution that might work instead of this one?
>
> Does anyone know what device this might be?
>
>
>
> I do know that it has to be a 2.2 device or better because I've made the
> minimum 2.2 (froyo)
>
> At the moment the only idea I can come up with is to simply send a static
> value, but I'm obviously going to have to guess what the device is.
>
>
>  --
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hack...@android.com

Note: please don't send private questions to me, as I don't have time to
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[android-developers] Hey guys i need some help With Install apps in memory card

[Azzurra.com]

I try many ways to install apps on my SD Card but not sucess.
Can somebody help me?
 
I have an HTC Magic with 2.1 android oficial of Brand inside

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[android-developers] Re: ImageView, no scaling and gravity

[Henrik Lindqvist]

Wow, thanks. Your suggestion with a larger FrameLayout fixed it!

...LinearLayout etc...

  

...LinearLayout etc...

You said a child view couldn't be larger than it's parent/container!?
Now the FrameLayout is forcefully wider than it's parents and the
whole app-widget.

Now, if I only could get the clipped edge faded for a nice "ellipsize"
effect. :)


On Jan 16, 7:38 pm, Mark Murphy  wrote:
> On Sun, Jan 16, 2011 at 11:48 AM, Henrik Lindqvist
>
>  wrote:
> >> Of course. That's a rule for any container/child relationship in Android.
>
> > If a child view can't be larger than it's parent, how does a
> > ScrollView work?
>
> The visible bounds of the child are still not bigger than the visible
> bounds of the parent.
>
> >> > Any trick to make a ImageView larger than it's parent FrameLayout?
>
> >> Move it outside of the FrameLayout into some larger container. Or,
> >> expand the FrameLayout.
>
> > I can't, it's an AppWidget.
>
> Inflate a different layout for the app widget, one where the ImageView
> is moved outside the FrameLayout into a larger container, or expand
> the FrameLayout.
>
> --
> Mark Murphy (a Commons 
> Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy
>
> _The Busy Coder's Guide to *Advanced* Android Development_ Version 1.9
> Available!

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Re: [android-developers] Hey guys i need some help With Install apps in memory card

[Dianne Hackborn]

2.1 doesn't support installing apps on the SD card.

On Sun, Jan 16, 2011 at 2:05 PM, Azzurra.com  wrote:

> I try many ways to install apps on my SD Card but not sucess.
> Can somebody help me?
>
> I have an HTC Magic with 2.1 android oficial of Brand inside
>
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Note: please don't send private questions to me, as I don't have time to
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[android-developers] Sharing files between apps

[John Gaby]

I have two applications which can access each others files.  To get a
path to a file in the other app, I am using the context.getDir(...)
function to get a path to the file for the running app, and then
changing the package name component of that path to the package name
of the other app.  This seems to work, but I am wondering if this is a
reliable way of doing this, or if there is another more appropriate
way.

Thanks.

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Re: [android-developers] Sharing files between apps

[TreKing]

On Sun, Jan 16, 2011 at 4:27 PM, John Gaby  wrote:

> This seems to work, but I am wondering if this is a reliable way of doing
> this, or if there is another more appropriate way.
>

Don't know how reliable that is (seems a little hacky) but the "more
appropriate" way would probably be Content Provider.

-
TreKing  - Chicago
transit tracking app for Android-powered devices

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Re: [android-developers] Sharing files between apps

[Dianne Hackborn]

That can break, there is no guarantee the apps are installed the same place,
for example if one is on the SD card and one isn't.

If you want to find out about an application, use
Context.createPackageContext() to create a Context configured for another
application.

(I assume you are doing tricks like creating the files world read/write to
allow access between them.  If so, note this can open up security holes.  I
would strongly recommend using one of the standard facilities for
interacting between them, such as a receiver, service, or content provider.
 And if you are using sharedUserId for this...  please do reconsider, this
locks you into that forever and has pretty deep repercussions on the apps
since they are now one unified entity whose permissions must be the union of
both apps etc.)

On Sun, Jan 16, 2011 at 2:27 PM, John Gaby  wrote:

> I have two applications which can access each others files.  To get a
> path to a file in the other app, I am using the context.getDir(...)
> function to get a path to the file for the running app, and then
> changing the package name component of that path to the package name
> of the other app.  This seems to work, but I am wondering if this is a
> reliable way of doing this, or if there is another more appropriate
> way.
>
> Thanks.
>
> --
> You received this message because you are subscribed to the Google
> Groups "Android Developers" group.
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>



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Android framework engineer
hack...@android.com

Note: please don't send private questions to me, as I don't have time to
provide private support, and so won't reply to such e-mails.  All such
questions should be posted on public forums, where I and others can see and
answer them.

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Re: [android-developers] Tracking someone else using Latitude (Android Tutorial Wanted)

[Marcin Orlowski]

On 16 January 2011 21:12, Chris Grant  wrote:

> Does anyone out there have a snippet of code that shows how to do this
> in an Android app?  Or can you point me to a real example?

Not the answer you expect, but IMHO dedicated "runner" apps would
serve the purpose better and there're couple of such on Market.
Latitude is not reliable (if you ask me) and you won't get as frequent
reports as you may need.

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[android-developers] Re: Sharing files between apps

[John Gaby]

> If you want to find out about an application, use
> Context.createPackageContext() to create a Context configured for another
> application.
>

This seems to be what I am looking for, however, when I call it with
the package name of the other app, it returns null (I get nothing from
logCat either).  I can use the PackageManager and retrieve the info
for that same package, so I am pretty sure I have the name correct and
the app is installed.  Do you have any ideas about what might be
wrong?

>  And if you are using sharedUserId for this...  please do reconsider, this
> locks you into that forever and has pretty deep repercussions on the apps
> since they are now one unified entity whose permissions must be the union of
> both apps etc.)

I am using a sharedUserId, however, the two apps are unified.  In
fact, I would much rather have just a SINGLE app.  However, I want the
user to be able to install the app to the SD card, but it includes a
AppWidget component (which is optionally used) which cannot reside on
the SC card.  This seems to be forcing me to create two apps, may main
app, and a separate app to handle the AppWidget.  If there is a better
way to do this, I am all ears.

Thanks

On Jan 16, 2:54 pm, Dianne Hackborn  wrote:
> That can break, there is no guarantee the apps are installed the same place,
> for example if one is on the SD card and one isn't.
>
> If you want to find out about an application, use
> Context.createPackageContext() to create a Context configured for another
> application.
>
> (I assume you are doing tricks like creating the files world read/write to
> allow access between them.  If so, note this can open up security holes.  I
> would strongly recommend using one of the standard facilities for
> interacting between them, such as a receiver, service, or content provider.
>  And if you are using sharedUserId for this...  please do reconsider, this
> locks you into that forever and has pretty deep repercussions on the apps
> since they are now one unified entity whose permissions must be the union of
> both apps etc.)
>
>
>
> On Sun, Jan 16, 2011 at 2:27 PM, John Gaby  wrote:
> > I have two applications which can access each others files.  To get a
> > path to a file in the other app, I am using the context.getDir(...)
> > function to get a path to the file for the running app, and then
> > changing the package name component of that path to the package name
> > of the other app.  This seems to work, but I am wondering if this is a
> > reliable way of doing this, or if there is another more appropriate
> > way.
>
> > Thanks.
>
> > --
> > You received this message because you are subscribed to the Google
> > Groups "Android Developers" group.
> > To post to this group, send email to android-developers@googlegroups.com
> > To unsubscribe from this group, send email to
> > android-developers+unsubscr...@googlegroups.com
> > For more options, visit this group at
> >http://groups.google.com/group/android-developers?hl=en
>
> --
> Dianne Hackborn
> Android framework engineer
> hack...@android.com
>
> Note: please don't send private questions to me, as I don't have time to
> provide private support, and so won't reply to such e-mails.  All such
> questions should be posted on public forums, where I and others can see and
> answer them.

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Re: [android-developers] Re: Sharing files between apps

[Dianne Hackborn]

On Sun, Jan 16, 2011 at 4:21 PM, John Gaby  wrote:

> This seems to be what I am looking for, however, when I call it with
> the package name of the other app, it returns null (I get nothing from
> logCat either).  I can use the PackageManager and retrieve the info
> for that same package, so I am pretty sure I have the name correct and
> the app is installed.  Do you have any ideas about what might be
> wrong?
>

Well no idea from just your paragraph description there. :)  This API
certainly works -- it is used a lot, for things like inflating the UI of app
widgets.


> I am using a sharedUserId, however, the two apps are unified.  In
> fact, I would much rather have just a SINGLE app.  However, I want the
> user to be able to install the app to the SD card, but it includes a
> AppWidget component (which is optionally used) which cannot reside on
> the SC card.  This seems to be forcing me to create two apps, may main
> app, and a separate app to handle the AppWidget.  If there is a better
> way to do this, I am all ears.
>

Oh my.  Well personally I would really strongly discourage doing that.  I
think you are going to end up with continual pain in app maintenance, not to
mention support for your users dealing with multiple apps like this.

-- 
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hack...@android.com

Note: please don't send private questions to me, as I don't have time to
provide private support, and so won't reply to such e-mails.  All such
questions should be posted on public forums, where I and others can see and
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[android-developers] Solution: Android INSTALL_FAILED_INSUFFICIENT_STORAGE error

[Andrew Smith]

The INSTALL_FAILED_INSUFFICIENT_STORAGE error is the bane of every
Android developer's life. It happens regardless of app size, or how
much storage is available. Rebooting the target device fixes the
problem briefly, but it soon comes back. There are hundreds (if not
thousands) of message board posts from people asking why the problem
occurs, but the folks at Google are frustratingly silent on the issue.

There is a simple workaround. If your test device is running Android
2.2 or later then add the "android:installLocation" attribute to your
application's manifest file, with the value "preferExternal". This
will force the app to be installed on the device's external storage,
such as a phone's SD card.

For example:

  http://schemas.android.com/apk/res/android";
package="com.andrewsmith.android.darkness"
android:installLocation="preferExternal"

This is more of a band-aid than a fix, and it may not be ideal if you
want your finished app to install on the device's internal memory. But
it will at least make the development process a lot less frustrating.

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[android-developers] Re: Preventing the search button from closing an AlertDialog?

[Zsolt Vasvari]

Just to bump this (as this is important for me), this close on the
Search press behavior is happening even if the dialog is set to non-
cancelable.  I think that's a flat out bug and may create a bug report
for it.

On Jan 16, 10:49 am, Zsolt Vasvari  wrote:
> I have to add that this effect EVERY dialog in the system.  So, for
> example, if you have an LVL or any type of important dialog where you
> must be notified of its closing, you better make sure that the user
> cannot just dismiss it using the Search button.
>
> On Jan 16, 10:44 am, Zsolt Vasvari  wrote:
>
>
>
> > Hello,
>
> > Is there a way to do what the title says?  I have a password security
> > dialog built using AlertDialog.Builder.  The problem is that pressing
> > the search button simply dismisses the dialog.  I need to notify the
> > underlying activity that the dialog was dismiised so that I can quit
> > the app.
>
> > I've tried to set an onDismissListener which notifies the parent
> > activiy.  This works OK, but the parent comes into view for a few
> > second and then the app closes -- this is a security risk.  I have to
> > mention that I have the background activity blurred out for security
> > reasons and when the user presses the normal Cancel button on the
> > dialog, the background activity is never fully visible again -- it
> > just stays blurred, then it finishes.  On the other hand, when I hit
> > the Search button, the background activity comes into full unblurred
> > view and then it finishes maybe 2 seconds later.
>
> > So ideal thing would be is to somehow catch and eat the search key
> > press, but I cannot find a way to do this.
>
> > Anyhow has any suggestions/ideas?- Hide quoted text -
>
> - Show quoted text -

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[android-developers] Re: Solution: Android INSTALL_FAILED_INSUFFICIENT_STORAGE error

[Zsolt Vasvari]

That not a solution or even a band aid:  I absolutely wouldn't want my
app to be installed on the SD card by default due to its use of
widgets and it being a BOOT_COMPLETED receiver.

On Jan 17, 8:55 am, Andrew Smith  wrote:
> The INSTALL_FAILED_INSUFFICIENT_STORAGE error is the bane of every
> Android developer's life. It happens regardless of app size, or how
> much storage is available. Rebooting the target device fixes the
> problem briefly, but it soon comes back. There are hundreds (if not
> thousands) of message board posts from people asking why the problem
> occurs, but the folks at Google are frustratingly silent on the issue.
>
> There is a simple workaround. If your test device is running Android
> 2.2 or later then add the "android:installLocation" attribute to your
> application's manifest file, with the value "preferExternal". This
> will force the app to be installed on the device's external storage,
> such as a phone's SD card.
>
> For example:
>
>   http://schemas.android.com/apk/res/android";
>     package="com.andrewsmith.android.darkness"
>     android:installLocation="preferExternal"
>
> This is more of a band-aid than a fix, and it may not be ideal if you
> want your finished app to install on the device's internal memory. But
> it will at least make the development process a lot less frustrating.

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[android-developers] Re: Sharing files between apps

[John Gaby]

> Well no idea from just your paragraph description there. :)  This API
> certainly works -- it is used a lot, for things like inflating the UI of app
> widgets.
>

The following is the routine that I wrote to test the function.  The
call to manager.getPackageInfo works, but the call to
GetPackageContents returns null.

private void Test()
{
String pkg = "com.gabysoft.quizardwidget";

PackageManager manager= getPackageManager();
PackageInfoinfo;

try
{
info = manager.getPackageInfo(pkg, 0);

int v = info.versionCode;
}
catch (NameNotFoundException e)
{
}

Context c = GetPackageContext(pkg, CONTEXT_INCLUDE_CODE);
File file = c.getDir("data", Context.MODE_PRIVATE);
String path = file.getAbsolutePath();
}

> Oh my.  Well personally I would really strongly discourage doing that.  I
> think you are going to end up with continual pain in app maintenance, not to
> mention support for your users dealing with multiple apps like this.

I actually tend to agree, but I really hate to force the user to
install the app to internal memory (there is a fair amount of
content).  The feedback I have gotten so far from the users that I
have asked is that they would rather see a separate app than loose the
ability to install on the SD card.  Is there ANY other way to deal
with this?

Thanks.

On Jan 16, 4:46 pm, Dianne Hackborn  wrote:
> On Sun, Jan 16, 2011 at 4:21 PM, John Gaby  wrote:
> > This seems to be what I am looking for, however, when I call it with
> > the package name of the other app, it returns null (I get nothing from
> > logCat either).  I can use the PackageManager and retrieve the info
> > for that same package, so I am pretty sure I have the name correct and
> > the app is installed.  Do you have any ideas about what might be
> > wrong?
>
> Well no idea from just your paragraph description there. :)  This API
> certainly works -- it is used a lot, for things like inflating the UI of app
> widgets.
>
> > I am using a sharedUserId, however, the two apps are unified.  In
> > fact, I would much rather have just a SINGLE app.  However, I want the
> > user to be able to install the app to the SD card, but it includes a
> > AppWidget component (which is optionally used) which cannot reside on
> > the SC card.  This seems to be forcing me to create two apps, may main
> > app, and a separate app to handle the AppWidget.  If there is a better
> > way to do this, I am all ears.
>
> Oh my.  Well personally I would really strongly discourage doing that.  I
> think you are going to end up with continual pain in app maintenance, not to
> mention support for your users dealing with multiple apps like this.
>
> --
> Dianne Hackborn
> Android framework engineer
> hack...@android.com
>
> Note: please don't send private questions to me, as I don't have time to
> provide private support, and so won't reply to such e-mails.  All such
> questions should be posted on public forums, where I and others can see and
> answer them.

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[android-developers] Re: Mystery device missing style attributes?

[Zsolt Vasvari]

This is a bit off-topic, but perhaphs not so much:

The single most confusing aspect of the Android platform, in my
opinion, this whole business with Themes/Styles/Stylable/Attributes.
Does anybody have a link to a good write-up on how this really works?
I know it's in the docs, but I find it a bit hard to follow.



On Jan 17, 4:39 am, Dianne Hackborn  wrote:
> textSize is not defined in the platform's base theme.
>
> These are the text size-related attributes in the theme:
>
>            
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
> So the textSize attribute is rarely set as part of the base platform, except
> inside of a TextAppearance style:
>
> http://developer.android.com/reference/android/R.styleable.html#TextA...
>
> So generally I wouldn't expect that code to work, unless textSize has been
> explicitly supplied by you in a theme.  Instead, you need to retrieve the
> resource of the TextAppearance size you want, and then can retrieve the
> textSize from that.
>
> That said, what *should* happen is you just get the default value you passed
> in, because the theme doesn't hold its own value.  You should never get a
> crash.  The obtainStyledAttributes() method is supposed to build an array of
> values that corresponds to the array you passed in to it.  So a crash like
> this is completely independent of whatever is defined in the theme, and just
> an outright bug in whatever platform code it is running on.
>
> Also your code has another issue where it is using array.getResourceId() --
> once you do get down to the TextAppearance, generally the values there are
> literals, not references to other resources.  So this also will always fail
> (it doesn't have a resource id), even if textSize does have a value, again
> resulting in you getting your default value.  You should just call
> getDimensionPixelSize() with the array offset at which you want to retrieve
> your value -- 0 in your case.
>
> Oh.
>
> That is probably the crash. :)  If for some reason there *is* some value for
> textSize, if getResourceId() returns non-0, then you will pass a value > 0
> to getDimensionPixelSize(), which is outside the array you originally passed
> in.
>
>
>
>
>
> On Sun, Jan 16, 2011 at 9:24 AM, Brill Pappin  wrote:
> > I'm getting this exception:
>
> > java.lang.ArrayIndexOutOfBoundsException
> > at
> > android.content.res.TypedArray.getDimensionPixelSize(TypedArray.java:455)
>
> > from this code:
>
> >                 TypedArray array = 
> > context.getTheme().obtainStyledAttributes(style,
> > new int[] { android.R.attr.textSize });
>
> > int textSize = array.getDimensionPixelSize(array.getResourceId(0, 0),
> > defValue);
>
> > I'm expecting a standard value from the system since thats what I'm asking
> > for.
>
> > It actually works on all devices I can get my hands on and of course the
> > error reporting doesn't tell me anything useful except a stack trace.
>
> > Does anyone have a solution that might work instead of this one?
>
> > Does anyone know what device this might be?
>
> > I do know that it has to be a 2.2 device or better because I've made the
> > minimum 2.2 (froyo)
>
> > At the moment the only idea I can come up with is to simply send a static
> > value, but I'm obviously going to have to guess what the device is.
>
> >  --
> > You received this message because you are subscribed to the Google
> > Groups "Android Developers" group.
> > To post to this group, send email to android-developers@googlegroups.com
> > To unsubscribe from this group, send email to
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>
> --
> Dianne Hackborn
> Android framework engineer
> hack...@android.com
>
> Note: please don't send private questions to me, as I don't have time to
> provide private support, and so won't reply to such e-mails.  All such
> questions should be posted on public forums, where I and others can see and
> answer them.- Hide quoted text -
>
> - Show quoted text -

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[android-developers] Re: Tracking someone else using Latitude (Android Tutorial Wanted)

[Chris Grant]

Hmmm... not even sure what a "runner app" is.  Do I buy this?  How is
it integrated in to my app so that i can get a friends location?  It
is ashame that Latitude for all its hype, is this hard to use and so
unreliable.  Anyone else have ideas on the easiest and most reliable
way to get a friends location?

Thanks,

Chris

On Jan 16, 4:49 pm, Marcin Orlowski  wrote:
> On 16 January 2011 21:12, Chris Grant  wrote:
>
> > Does anyone out there have a snippet of code that shows how to do this
> > in an Android app?  Or can you point me to a real example?
>
> Not the answer you expect, but IMHO dedicated "runner" apps would
> serve the purpose better and there're couple of such on Market.
> Latitude is not reliable (if you ask me) and you won't get as frequent
> reports as you may need.

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Re: [android-developers] Blinking Images

[Felix long]

在 2011年1月15日星期六，Kostya Vasilyev  写道：
> Braco,
>
> You are using a Java Timer, which invokes your TimerTask on a background 
> thread.
> In Android, only the original (UI) thread is allowed to touch the UI. 
> Touching the UI from a background thread, like your code does, produces 
> unpredictable results (possibly a crash).
>
> This should help you refactor you code:
> http://developer.android.com/resources/articles/timed-ui-updates.html
>
> -- Kostya
> 2011/1/13 braco_ 
>
> Hello,
>
> I have 4 Images
> final ImageView redImage = (ImageView) findViewById
> (R.id.circle_red);
> final ImageView blueImage = (ImageView) findViewById
> (R.id.circle_blue);
> final ImageView greenImage = (ImageView) findViewById
> (R.id.circle_green);
> final ImageView yellowImage = (ImageView) findViewById
> (R.id.circle_yellow);
>
> I try to blinking this images with a timer
> final Timer timer = new Timer();
>
> startButton.setOnClickListener(new View.OnClickListener() {
> @Override
> public void onClick(View v) {
> // TODO Auto-generated method stub
>
>
> timer.schedule(new 
> TaskTimer(yellowImage,punkteStand), 0, 2000);
> }
> });
>
> TaskTimer.java
> public TaskTimer(ImageView object, TextView pkt){
> image =  object;
> punkteStand = pkt;
> }
>
>
> @Override
> public void run() {
> // TODO Auto-generated method stub
> String istString = (new Integer(time)).toString();
> CharSequence abc = istString;
> punkteStand.setText(abc);
> time++;
> if(image.getVisibility() == View.INVISIBLE){
> image.setVisibility(View.VISIBLE);
> }
> else {
> image.setVisibility(View.INVISIBLE);
>
> }
>
> But if i start nothing happens how can i do that better that a image
> will blinking?
>
> --
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[android-developers] Re: Solution: Android INSTALL_FAILED_INSUFFICIENT_STORAGE error

[Andrew Smith]

I'm sure there will be other apps like yours for which this is
unsuitable. But it is helpful for someone developing an app such as a
game, news reader, email client, video player, etc.

Perhaps you can suggest a solution suitable for apps such as yours?



On Jan 17, 1:17 am, Zsolt Vasvari  wrote:
> That not a solution or even a band aid:  I absolutely wouldn't want my
> app to be installed on the SD card by default due to its use of
> widgets and it being a BOOT_COMPLETED receiver.
>
> On Jan 17, 8:55 am, Andrew Smith  wrote:
>
> > The INSTALL_FAILED_INSUFFICIENT_STORAGE error is the bane of every
> > Android developer's life. It happens regardless of app size, or how
> > much storage is available. Rebooting the target device fixes the
> > problem briefly, but it soon comes back. There are hundreds (if not
> > thousands) of message board posts from people asking why the problem
> > occurs, but the folks at Google are frustratingly silent on the issue.
>
> > There is a simple workaround. If your test device is running Android
> > 2.2 or later then add the "android:installLocation" attribute to your
> > application's manifest file, with the value "preferExternal". This
> > will force the app to be installed on the device's external storage,
> > such as a phone's SD card.
>
> > For example:
>
> >   http://schemas.android.com/apk/res/android";
> >     package="com.andrewsmith.android.darkness"
> >     android:installLocation="preferExternal"
>
> > This is more of a band-aid than a fix, and it may not be ideal if you
> > want your finished app to install on the device's internal memory. But
> > it will at least make the development process a lot less frustrating.

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[android-developers] Re: Solution: Android INSTALL_FAILED_INSUFFICIENT_STORAGE error

[Zsolt Vasvari]

> Perhaps you can suggest a solution suitable for apps such as yours?

Wish I could...

I only spoke in the context of my app, I understand it's a reasonable
workaround for some apps.

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Re: [android-developers] Re: Sharing files between apps

[Dianne Hackborn]

On Sun, Jan 16, 2011 at 5:19 PM, John Gaby  wrote:

> The following is the routine that I wrote to test the function.  The
> call to manager.getPackageInfo works, but the call to
> GetPackageContents returns null.
>

What is "GetPackageContext" in your code?  Is that just a typo and should be
"getPackageContext"?


> I actually tend to agree, but I really hate to force the user to
> install the app to internal memory (there is a fair amount of
> content).  The feedback I have gotten so far from the users that I
> have asked is that they would rather see a separate app than loose the
> ability to install on the SD card.  Is there ANY other way to deal
> with this?
>

Well for transferring data between apps, I will say the same thing I already
have: I would very much recommend using a receiver, service, or content
provider.  Don't use shared user IDs.  Your widget could just for example
send a broadcast to your app when it needs to populate data.  As a bonus,
your main app could be the one in charge of the data and send a broadcast to
the widget app when it has changed to give it the new data.  I think you'll
find this a much cleaner solution than trying to directly access data files.

At any rate, offering your users a small add-on app that they can optionally
download to provide a widget is probably not too bad I guess.  Heck you
could turn it into an advantage and make it paid so it is an additional
feature they can purchase for your app. ;)

But I do think you should architect it so that the interaction between these
pieces is through app components, not data.  It will result in a much
cleaner and more maintainable design.

-- 
Dianne Hackborn
Android framework engineer
hack...@android.com

Note: please don't send private questions to me, as I don't have time to
provide private support, and so won't reply to such e-mails.  All such
questions should be posted on public forums, where I and others can see and
answer them.

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Re: [android-developers] Re: Preventing the search button from closing an AlertDialog?

[Dianne Hackborn]

You could try attaching a key listener that consumes the search key.

I agree it is dumb for it to be dismissing itself when the key is pressed.
 I think this is left-over from when the search key used to always to a
global search, so it would be a switch into the search UI and dialogs would
dismiss to clean things up a bit.  It doesn't make sense how things are now.

On Sun, Jan 16, 2011 at 5:15 PM, Zsolt Vasvari  wrote:

> Just to bump this (as this is important for me), this close on the
> Search press behavior is happening even if the dialog is set to non-
> cancelable.  I think that's a flat out bug and may create a bug report
> for it.
>
> On Jan 16, 10:49 am, Zsolt Vasvari  wrote:
> > I have to add that this effect EVERY dialog in the system.  So, for
> > example, if you have an LVL or any type of important dialog where you
> > must be notified of its closing, you better make sure that the user
> > cannot just dismiss it using the Search button.
> >
> > On Jan 16, 10:44 am, Zsolt Vasvari  wrote:
> >
> >
> >
> > > Hello,
> >
> > > Is there a way to do what the title says?  I have a password security
> > > dialog built using AlertDialog.Builder.  The problem is that pressing
> > > the search button simply dismisses the dialog.  I need to notify the
> > > underlying activity that the dialog was dismiised so that I can quit
> > > the app.
> >
> > > I've tried to set an onDismissListener which notifies the parent
> > > activiy.  This works OK, but the parent comes into view for a few
> > > second and then the app closes -- this is a security risk.  I have to
> > > mention that I have the background activity blurred out for security
> > > reasons and when the user presses the normal Cancel button on the
> > > dialog, the background activity is never fully visible again -- it
> > > just stays blurred, then it finishes.  On the other hand, when I hit
> > > the Search button, the background activity comes into full unblurred
> > > view and then it finishes maybe 2 seconds later.
> >
> > > So ideal thing would be is to somehow catch and eat the search key
> > > press, but I cannot find a way to do this.
> >
> > > Anyhow has any suggestions/ideas?- Hide quoted text -
> >
> > - Show quoted text -
>
> --
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-- 
Dianne Hackborn
Android framework engineer
hack...@android.com

Note: please don't send private questions to me, as I don't have time to
provide private support, and so won't reply to such e-mails.  All such
questions should be posted on public forums, where I and others can see and
answer them.

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[android-developers] Re: Preventing the search button from closing an AlertDialog?

[Zsolt Vasvari]

Thanks, Dianne!



> You could try attaching a key listener that consumes the search key.

Could you point me in the right direction?  How can I attach a key
listener to a dialog returned from AlertDialog.Builder?

As, obviously,I have access to the parent Activity, can I do something
there?  Wouldn't be ideal, because I went throught a large effort to
decouple my dialogs from the parent activities, but if that's the only
solution...



> I agree it is dumb for it to be dismissing itself when the key is pressed.
>  I think this is left-over from when the search key used to always to a
> global search, so it would be a switch into the search UI and dialogs would
> dismiss to clean things up a bit.  It doesn't make sense how things are now.
>

I will create a bug report for non-cancelable dialogs, which should
not be dismissable like that.

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[android-developers] Re: Sharing files between apps

[John Gaby]

> What is "GetPackageContext" in your code?  Is that just a typo and should be
> "getPackageContext"?

Well, now don't I feel sheepish!  It was indeed a typo, and the ever
so helpful editor created a GetPackageContext for me and returned
null.  Sorry about wasting your time.

As for your other suggestion about using a broadcast to get the data,
that does seem like a good idea.  In fact, the widget itself uses a
broadcast intent when the user click on it to get the next set of data
to display.  I assume that I could send that broadcast to my main app
just as easily as it does to the Widget app.

Thanks for the help and suggestions.


On Jan 16, 5:57 pm, Dianne Hackborn  wrote:
> On Sun, Jan 16, 2011 at 5:19 PM, John Gaby  wrote:
> > The following is the routine that I wrote to test the function.  The
> > call to manager.getPackageInfo works, but the call to
> > GetPackageContents returns null.
>
> What is "GetPackageContext" in your code?  Is that just a typo and should be
> "getPackageContext"?
>
> > I actually tend to agree, but I really hate to force the user to
> > install the app to internal memory (there is a fair amount of
> > content).  The feedback I have gotten so far from the users that I
> > have asked is that they would rather see a separate app than loose the
> > ability to install on the SD card.  Is there ANY other way to deal
> > with this?
>
> Well for transferring data between apps, I will say the same thing I already
> have: I would very much recommend using a receiver, service, or content
> provider.  Don't use shared user IDs.  Your widget could just for example
> send a broadcast to your app when it needs to populate data.  As a bonus,
> your main app could be the one in charge of the data and send a broadcast to
> the widget app when it has changed to give it the new data.  I think you'll
> find this a much cleaner solution than trying to directly access data files.
>
> At any rate, offering your users a small add-on app that they can optionally
> download to provide a widget is probably not too bad I guess.  Heck you
> could turn it into an advantage and make it paid so it is an additional
> feature they can purchase for your app. ;)
>
> But I do think you should architect it so that the interaction between these
> pieces is through app components, not data.  It will result in a much
> cleaner and more maintainable design.
>
> --
> Dianne Hackborn
> Android framework engineer
> hack...@android.com
>
> Note: please don't send private questions to me, as I don't have time to
> provide private support, and so won't reply to such e-mails.  All such
> questions should be posted on public forums, where I and others can see and
> answer them.

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[android-developers] How to have your app overlayed on top of any other app?

[pcm2a]

That subject may sound crazy and before today I thought it was
impossible.  There is a free app called Super Manager on the market.
This app gives you a little button to press that is overlayed
everywhere.  No matter if you are on your home screen, gmail or the
browser that icon is overlayed.

Pressing the icon brings up the app interface which is a little box.
This box is also overlayed on top of your already running application
like dolphin.

While the icon overlay or app overlay is on the screen you can still
interact with the app you were running!

How can I accomplish something like this in my code?  I can think of
many great uses.

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[android-developers] Re: How to have your app overlayed on top of any other app?

[Hari Edo]

Another program called SoftKeys does this by way of a running
Service.  It offers access to the usually-mandated hardware keys
like MENU, BACK, HOME, SEARCH, even for those few oddball
devices like NOOKcolor that do not include those keys.

An IME keyboard is also a form of this kind of "UI overlay" that
people see all the time.  I am just guessing, but any soft keyboard
is likely another example of a service that spawns interface bits.

However, I can see this sort of thing being more nuisance than
godsend... one person's "great uses" is another person's clutter.

On Jan 16, 9:34 pm, pcm2a  wrote:
> That subject may sound crazy and before today I thought it was
> impossible.  There is a free app called Super Manager on the market.
> This app gives you a little button to press that is overlayed
> everywhere.  No matter if you are on your home screen, gmail or the
> browser that icon is overlayed.
>
> Pressing the icon brings up the app interface which is a little box.
> This box is also overlayed on top of your already running application
> like dolphin.
>
> While the icon overlay or app overlay is on the screen you can still
> interact with the app you were running!
>
> How can I accomplish something like this in my code?  I can think of
> many great uses.

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[android-developers] Re: change permission to /data/data//databases

[tstanly]

beacuse I want to change a database file in /data/data//
databases
I need permission for apps to copy .db file from a folder to
/data/data//databases,

so I need to change permission,
is somebody have suggestion?

thanks

On 1月14日, 上午2時12分, TreKing  wrote:
> On Thu, Jan 13, 2011 at 2:53 AM, stanly  wrote:
> > I want to change permission for /data/data//databases folder, is
> > it possible to do this action in my application?
>
> Why do you want to do this?
>
> --- 
> --
> TreKing  - Chicago
> transit tracking app for Android-powered devices

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[android-developers] poor state of webkit transforms in Android

[devi prasad]

Hi, I'm finding out that Android has either disabled or broken
Webkit's -webkit-transform features. I couldn't locate an authentic
documentation from Google about android.webkit and its (broken)
status. Can someone who knows it all throw light and save immense time
that I'm spending testing these things? For example, when I try
rotateZ it behaves like rotateY, while rotateY just doesn't work for
me on Android 2.2 + Nexus One. I have tested rotateY and rotateZ on
Chrome browser and things appear fine there.

So, any official statement on Android's Webkit (in)capabilities?

thanks
dp

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[android-developers] Re: AnimationSet - Scaling and moving at the same time

[Hari Edo]

It seems like whenever a  is done as a part of an animset,
the starting or ending scale is computed incorrectly, as the
reciprocal
of the ending scale.  I think they're calculating the anti-transform
for
each element, and doing it badly, messing up compound animations.

Thanks for posting good YouTube examples of the phenomenon.
Now post those to the bug tracker!

On Jan 16, 2:54 pm, "Oded O."  wrote:
> I'm building a new layout engine (and hopefully open-source it once I'm
> done)
> I need to scale and move a "tile" from one position on the screen to
> another.
>
> When I only move, the coordinates seems to be OK (the top-left corner of the
> "tile" is positioned exactly where it should 
> be)http://www.youtube.com/watch?v=MazxKnh83us
>
> When I only scale, the result size of the tile seems to be OK, and the
> tile's new size is exactly what it should 
> be.http://www.youtube.com/watch?v=bG3j0GdqbTI
>
> But when I combine these two animation to a single AnimationSet, something
> goes wrong, the top-left corner of the tile is off-setted to an unknown
> destination (couldn't figure out the logic behind the new 
> position)http://www.youtube.com/watch?v=JKn3jaATtww
>
> Has anyone came across this sort of issue?
>
> It's important that the two animation would happen at the same time (I don't
> want to move, and than scale, or vice-versa).
>
> Thanks!
>
> Oded

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[android-developers] Re: Mystery device missing style attributes?

[Brill Pappin]

Nice!
Lots of good tidbits on style in that response :)

I'll try rewriting it as suggested and see if that helps.
Unfortunately I'm unable to reproduce locally, so ill have to through
it out in the wild again.

- Brill Pappin

On Jan 16, 3:39 pm, Dianne Hackborn  wrote:
> textSize is not defined in the platform's base theme.
>
> These are the text size-related attributes in the theme:
>
>            
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
>         
>
> So the textSize attribute is rarely set as part of the base platform, except
> inside of a TextAppearance style:
>
> http://developer.android.com/reference/android/R.styleable.html#TextA...
>
> So generally I wouldn't expect that code to work, unless textSize has been
> explicitly supplied by you in a theme.  Instead, you need to retrieve the
> resource of the TextAppearance size you want, and then can retrieve the
> textSize from that.
>
> That said, what *should* happen is you just get the default value you passed
> in, because the theme doesn't hold its own value.  You should never get a
> crash.  The obtainStyledAttributes() method is supposed to build an array of
> values that corresponds to the array you passed in to it.  So a crash like
> this is completely independent of whatever is defined in the theme, and just
> an outright bug in whatever platform code it is running on.
>
> Also your code has another issue where it is using array.getResourceId() --
> once you do get down to the TextAppearance, generally the values there are
> literals, not references to other resources.  So this also will always fail
> (it doesn't have a resource id), even if textSize does have a value, again
> resulting in you getting your default value.  You should just call
> getDimensionPixelSize() with the array offset at which you want to retrieve
> your value -- 0 in your case.
>
> Oh.
>
> That is probably the crash. :)  If for some reason there *is* some value for
> textSize, if getResourceId() returns non-0, then you will pass a value > 0
> to getDimensionPixelSize(), which is outside the array you originally passed
> in.
>
>
>
>
>
> On Sun, Jan 16, 2011 at 9:24 AM, Brill Pappin  wrote:
> > I'm getting this exception:
>
> > java.lang.ArrayIndexOutOfBoundsException
> > at
> > android.content.res.TypedArray.getDimensionPixelSize(TypedArray.java:455)
>
> > from this code:
>
> >                 TypedArray array = 
> > context.getTheme().obtainStyledAttributes(style,
> > new int[] { android.R.attr.textSize });
>
> > int textSize = array.getDimensionPixelSize(array.getResourceId(0, 0),
> > defValue);
>
> > I'm expecting a standard value from the system since thats what I'm asking
> > for.
>
> > It actually works on all devices I can get my hands on and of course the
> > error reporting doesn't tell me anything useful except a stack trace.
>
> > Does anyone have a solution that might work instead of this one?
>
> > Does anyone know what device this might be?
>
> > I do know that it has to be a 2.2 device or better because I've made the
> > minimum 2.2 (froyo)
>
> > At the moment the only idea I can come up with is to simply send a static
> > value, but I'm obviously going to have to guess what the device is.
>
> >  --
> > You received this message because you are subscribed to the Google
> > Groups "Android Developers" group.
> > To post to this group, send email to android-developers@googlegroups.com
> > To unsubscribe from this group, send email to
> > android-developers+unsubscr...@googlegroups.com > cr...@googlegroups.com>
> > For more options, visit this group at
> >http://groups.google.com/group/android-developers?hl=en
>
> --
> Dianne Hackborn
> Android framework engineer
> hack...@android.com
>
> Note: please don't send private questions to me, as I don't have time to
> provide private support, and so won't reply to such e-mails.  All such
> questions should be posted on public forums, where I and others can see and
> answer them.

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[android-developers] Re: Mystery device missing style attributes?

[Brill Pappin]

Oh yah, I have trouble with styles all the time :)
An expert I am not...

- Brill


On Jan 16, 8:35 pm, Zsolt Vasvari  wrote:
> This is a bit off-topic, but perhaphs not so much:
>
> The single most confusing aspect of the Android platform, in my
> opinion, this whole business with Themes/Styles/Stylable/Attributes.
> Does anybody have a link to a good write-up on how this really works?
> I know it's in the docs, but I find it a bit hard to follow.
>
> On Jan 17, 4:39 am, Dianne Hackborn  wrote:
>
>
>
> > textSize is not defined in the platform's base theme.
>
> > These are the text size-related attributes in the theme:
>
> >            
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> > So the textSize attribute is rarely set as part of the base platform, except
> > inside of a TextAppearance style:
>
> >http://developer.android.com/reference/android/R.styleable.html#TextA...
>
> > So generally I wouldn't expect that code to work, unless textSize has been
> > explicitly supplied by you in a theme.  Instead, you need to retrieve the
> > resource of the TextAppearance size you want, and then can retrieve the
> > textSize from that.
>
> > That said, what *should* happen is you just get the default value you passed
> > in, because the theme doesn't hold its own value.  You should never get a
> > crash.  The obtainStyledAttributes() method is supposed to build an array of
> > values that corresponds to the array you passed in to it.  So a crash like
> > this is completely independent of whatever is defined in the theme, and just
> > an outright bug in whatever platform code it is running on.
>
> > Also your code has another issue where it is using array.getResourceId() --
> > once you do get down to the TextAppearance, generally the values there are
> > literals, not references to other resources.  So this also will always fail
> > (it doesn't have a resource id), even if textSize does have a value, again
> > resulting in you getting your default value.  You should just call
> > getDimensionPixelSize() with the array offset at which you want to retrieve
> > your value -- 0 in your case.
>
> > Oh.
>
> > That is probably the crash. :)  If for some reason there *is* some value for
> > textSize, if getResourceId() returns non-0, then you will pass a value > 0
> > to getDimensionPixelSize(), which is outside the array you originally passed
> > in.
>
> > On Sun, Jan 16, 2011 at 9:24 AM, Brill Pappin  wrote:
> > > I'm getting this exception:
>
> > > java.lang.ArrayIndexOutOfBoundsException
> > > at
> > > android.content.res.TypedArray.getDimensionPixelSize(TypedArray.java:455)
>
> > > from this code:
>
> > >                 TypedArray array = 
> > > context.getTheme().obtainStyledAttributes(style,
> > > new int[] { android.R.attr.textSize });
>
> > > int textSize = array.getDimensionPixelSize(array.getResourceId(0, 0),
> > > defValue);
>
> > > I'm expecting a standard value from the system since thats what I'm asking
> > > for.
>
> > > It actually works on all devices I can get my hands on and of course the
> > > error reporting doesn't tell me anything useful except a stack trace.
>
> > > Does anyone have a solution that might work instead of this one?
>
> > > Does anyone know what device this might be?
>
> > > I do know that it has to be a 2.2 device or better because I've made the
> > > minimum 2.2 (froyo)
>
> > > At the moment the only idea I can come up with is to simply send a static
> > > value, but I'm obviously going to have to guess what the device is.
>
> > >  --
> > > You received this message because you are subscribed to the Google
> > > Groups "Android Developers" group.
> > > To post to this group, send email to android-developers@googlegroups.com
> > > To unsubscribe from this group, send email to
> > > android-developers+unsubscr...@googlegroups.com > >  ­cr...@googlegroups.com>
> > > For more options, visit this group at
> > >http://groups.google.com/group/android-developers?hl=en
>
> > --
> > Dianne Hackborn
> > Android framework engineer
> > hack...@android.com
>
> > Note: please don't send private questions to me, as I don't have time to
> > provide private support, and so won't reply to such e-mails.  All such
> > questions should be posted on public forums, where I and others can see and
> > answer them.- Hide quoted text -
>
> > - Show quoted text -

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Re: [android-developers] Re: change permission to /data/data//databases

[Dianne Hackborn]

If it isn't your app, you can't.

On Sun, Jan 16, 2011 at 6:51 PM, tstanly  wrote:

> beacuse I want to change a database file in /data/data//
> databases
> I need permission for apps to copy .db file from a folder to
> /data/data//databases,
>
> so I need to change permission,
> is somebody have suggestion?
>
> thanks
>
> On 1月14日, 上午2時12分, TreKing  wrote:
> > On Thu, Jan 13, 2011 at 2:53 AM, stanly  wrote:
> > > I want to change permission for /data/data//databases folder,
> is
> > > it possible to do this action in my application?
> >
> > Why do you want to do this?
> >
> >
> ---
> --
> > TreKing  - Chicago
> > transit tracking app for Android-powered devices
>
> --
> You received this message because you are subscribed to the Google
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>



-- 
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Android framework engineer
hack...@android.com

Note: please don't send private questions to me, as I don't have time to
provide private support, and so won't reply to such e-mails.  All such
questions should be posted on public forums, where I and others can see and
answer them.

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[android-developers] Re: Tracking someone else using Latitude (Android Tutorial Wanted)

[Zsolt Vasvari]

Try the free open-source Google app called My Tracks.  I've used it
before and it's good.

On Jan 17, 9:37 am, Chris Grant  wrote:
> Hmmm... not even sure what a "runner app" is.  Do I buy this?  How is
> it integrated in to my app so that i can get a friends location?  It
> is ashame that Latitude for all its hype, is this hard to use and so
> unreliable.  Anyone else have ideas on the easiest and most reliable
> way to get a friends location?
>
> Thanks,
>
> Chris
>
> On Jan 16, 4:49 pm, Marcin Orlowski  wrote:
>
>
>
> > On 16 January 2011 21:12, Chris Grant  wrote:
>
> > > Does anyone out there have a snippet of code that shows how to do this
> > > in an Android app?  Or can you point me to a real example?
>
> > Not the answer you expect, but IMHO dedicated "runner" apps would
> > serve the purpose better and there're couple of such on Market.
> > Latitude is not reliable (if you ask me) and you won't get as frequent
> > reports as you may need.- Hide quoted text -
>
> - Show quoted text -

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[android-developers] [Contacts]How to copy contacts in phone to another account ?

[Shawn_Chiu]

Hi, all
   I'm developing an android contacts sync application. It would
create a new account after successfully login. But there are multiple
accounts in an android phone, no contacts in this new account. If a
user wants to sync with server, he/she should copy contacts into the
funambol account in Contacts application, which make it very
inconvenient for users.
So I want to load contacts immediately after a funambol account is
created, or otherwise just sync with the originally phone account.
   Could anybody tell me how to achieve this?
Thanks.
BR
Shawn Chiu

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[android-developers] Re: How to have your app overlayed on top of any other app?

[pcm2a]

Hopefully someone can hit us up with some open source examples.  This
would be amazing as an optional feature in application.  Just cause
some users would not want to use the option isn't a reason to never
have it!

On Jan 16, 8:48 pm, Hari Edo  wrote:
> Another program called SoftKeys does this by way of a running
> Service.  It offers access to the usually-mandated hardware keys
> like MENU, BACK, HOME, SEARCH, even for those few oddball
> devices like NOOKcolor that do not include those keys.
>
> An IME keyboard is also a form of this kind of "UI overlay" that
> people see all the time.  I am just guessing, but any soft keyboard
> is likely another example of a service that spawns interface bits.
>
> However, I can see this sort of thing being more nuisance than
> godsend... one person's "great uses" is another person's clutter.
>
> On Jan 16, 9:34 pm, pcm2a  wrote:
>
>
>
> > That subject may sound crazy and before today I thought it was
> > impossible.  There is a free app called Super Manager on the market.
> > This app gives you a little button to press that is overlayed
> > everywhere.  No matter if you are on your home screen, gmail or the
> > browser that icon is overlayed.
>
> > Pressing the icon brings up the app interface which is a little box.
> > This box is also overlayed on top of your already running application
> > like dolphin.
>
> > While the icon overlay or app overlay is on the screen you can still
> > interact with the app you were running!
>
> > How can I accomplish something like this in my code?  I can think of
> > many great uses.- Hide quoted text -
>
> - Show quoted text -

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Re: [android-developers] DRM for Android

[苗忠良]

Hi:
you can download source code, you will find android.drm.mobile1 in
framework, I need know that android.drm.mobile1 not exported in app level.

2010/12/14 Henry 

> Hi,
>
> We want to use DRM (very minimal, like forward lock) to protect media
> file, we are using Android 1.5, I cannot find any documentation or
> sample
> or header file for that, I see there are discussions about
> android.drm.mobile1,
> but cannot find any more details about it.
>
>
> If you have the knowledge about it, can you give me some help on
> that? like where to find the packagges/classes and how to use them?
>
>
> Thanks in advance.
>
>
> Henry
>
>
>
> --
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MSN:mzl...@163.com 
BLOG:http://miaozl.spaces.live.com
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Re: [android-developers] Re: Mystery device missing style attributes?

[Dianne Hackborn]

Yeah the documentation is really sub-par on this area.  I want to write up
some more, but I've been wanting to do that for 2 years now. :/

On Sun, Jan 16, 2011 at 5:35 PM, Zsolt Vasvari  wrote:

> This is a bit off-topic, but perhaphs not so much:
>
> The single most confusing aspect of the Android platform, in my
> opinion, this whole business with Themes/Styles/Stylable/Attributes.
> Does anybody have a link to a good write-up on how this really works?
> I know it's in the docs, but I find it a bit hard to follow.
>
>
>
> On Jan 17, 4:39 am, Dianne Hackborn  wrote:
> > textSize is not defined in the platform's base theme.
> >
> > These are the text size-related attributes in the theme:
> >
> >
> >
> > 
> >
> > 
> >
> > 
> >
> > 
> >
> > 
> >
> > 
> >
> > 
> >
> > 
> >
> > 
> >
> > 
> >
> > 
> >
> > 
> >
> > 
> >
> > 
> >
> > 
> >
> > So the textSize attribute is rarely set as part of the base platform,
> except
> > inside of a TextAppearance style:
> >
> > http://developer.android.com/reference/android/R.styleable.html#TextA...
> >
> > So generally I wouldn't expect that code to work, unless textSize has
> been
> > explicitly supplied by you in a theme.  Instead, you need to retrieve the
> > resource of the TextAppearance size you want, and then can retrieve the
> > textSize from that.
> >
> > That said, what *should* happen is you just get the default value you
> passed
> > in, because the theme doesn't hold its own value.  You should never get a
> > crash.  The obtainStyledAttributes() method is supposed to build an array
> of
> > values that corresponds to the array you passed in to it.  So a crash
> like
> > this is completely independent of whatever is defined in the theme, and
> just
> > an outright bug in whatever platform code it is running on.
> >
> > Also your code has another issue where it is using array.getResourceId()
> --
> > once you do get down to the TextAppearance, generally the values there
> are
> > literals, not references to other resources.  So this also will always
> fail
> > (it doesn't have a resource id), even if textSize does have a value,
> again
> > resulting in you getting your default value.  You should just call
> > getDimensionPixelSize() with the array offset at which you want to
> retrieve
> > your value -- 0 in your case.
> >
> > Oh.
> >
> > That is probably the crash. :)  If for some reason there *is* some value
> for
> > textSize, if getResourceId() returns non-0, then you will pass a value >
> 0
> > to getDimensionPixelSize(), which is outside the array you originally
> passed
> > in.
> >
> >
> >
> >
> >
> > On Sun, Jan 16, 2011 at 9:24 AM, Brill Pappin  wrote:
> > > I'm getting this exception:
> >
> > > java.lang.ArrayIndexOutOfBoundsException
> > > at
> > >
> android.content.res.TypedArray.getDimensionPixelSize(TypedArray.java:455)
> >
> > > from this code:
> >
> > > TypedArray array =
> context.getTheme().obtainStyledAttributes(style,
> > > new int[] { android.R.attr.textSize });
> >
> > > int textSize = array.getDimensionPixelSize(array.getResourceId(0, 0),
> > > defValue);
> >
> > > I'm expecting a standard value from the system since thats what I'm
> asking
> > > for.
> >
> > > It actually works on all devices I can get my hands on and of course
> the
> > > error reporting doesn't tell me anything useful except a stack trace.
> >
> > > Does anyone have a solution that might work instead of this one?
> >
> > > Does anyone know what device this might be?
> >
> > > I do know that it has to be a 2.2 device or better because I've made
> the
> > > minimum 2.2 (froyo)
> >
> > > At the moment the only idea I can come up with is to simply send a
> static
> > > value, but I'm obviously going to have to guess what the device is.
> >
> > >  --
> > > You received this message because you are subscribed to the Google
> > > Groups "Android Developers" group.
> > > To post to this group, send email to
> android-developers@googlegroups.com
> > > To unsubscribe from this group, send email to
> > > android-developers+unsubscr...@googlegroups.com
> 
> > > For more options, visit this group at
> > >http://groups.google.com/group/android-developers?hl=en
> >
> > --
> > Dianne Hackborn
> > Android framework engineer
> > hack...@android.com
> >
> > Note: please don't send private questions to me, as I don't have time to
> > provide private support, and so won't reply to such e-mails.  All such
> > questions should be posted on public forums, where I and others can see
> and
> > answer them.- Hide quoted text -
> >
> > - Show quoted text -
>
> --
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[android-developers] Re: Accessing Disk memroy from Application

[Bob Kerns]

On top of that, even applications with permission don't have control
to write into the same *physical* location, because of wear leveling.

Basically, every time you write to an flash memory card location, the
card actually places this data into a *different* physical location.
This is because writing the same location repeatedly will wear it
out.  So to try to make the entire thing wear out at the same time,
rather than one highly-used location wear out very early, the actual
data storage locations are moved around on the chips.

So: If you really care about erasing the data, what you want to do is
put it through your shredder, and then incinerate it.

For protection from more casual interlopers, just opening the file for
read/write, positioning to the front, and replacing all the data may
be adequate. If not, there really is very little middle ground. You
can write until you fill up the filesystem, repeatedly, and hope for
the best, or opt for physical destruction.

On Jan 14, 9:18 am, Dianne Hackborn  wrote:
> Fwiw, the limitation is not an issue of running in Dalvik vs. native code,
> but the permissions / uid an application is running as.  Third party apps
> can not run with permissions to be able to do this kind of stuff.

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[android-developers] How to clear activity stack

[Subba]

My application has two activities A, B.

Initially application launches with A activity(root activity), and
then it launches the B activity and finishes A activity.  Now B
activity on the foreground.
User pressed Home Button on B activity it launches HOME Screen, user
launches the application it launches A activity(intentional) and on
the background B activity still there.
When user presses back (finish() method call) on A activity it goes to
B activity.
Is there any way to clear the activity stack trace when application
launches again i want to clear the B activity from activity stack if
it exists.

Any suggestions please...?

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[android-developers] Re: Mystery device missing style attributes?

[Streets Of Boston]

Amen to that! :)
A How-To in this area would be very very welcome.

On Jan 16, 8:35 pm, Zsolt Vasvari  wrote:
> This is a bit off-topic, but perhaphs not so much:
>
> The single most confusing aspect of the Android platform, in my
> opinion, this whole business with Themes/Styles/Stylable/Attributes.
> Does anybody have a link to a good write-up on how this really works?
> I know it's in the docs, but I find it a bit hard to follow.
>
> On Jan 17, 4:39 am, Dianne Hackborn  wrote:
>
>
>
> > textSize is not defined in the platform's base theme.
>
> > These are the text size-related attributes in the theme:
>
> >            
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> >         
>
> > So the textSize attribute is rarely set as part of the base platform, except
> > inside of a TextAppearance style:
>
> >http://developer.android.com/reference/android/R.styleable.html#TextA...
>
> > So generally I wouldn't expect that code to work, unless textSize has been
> > explicitly supplied by you in a theme.  Instead, you need to retrieve the
> > resource of the TextAppearance size you want, and then can retrieve the
> > textSize from that.
>
> > That said, what *should* happen is you just get the default value you passed
> > in, because the theme doesn't hold its own value.  You should never get a
> > crash.  The obtainStyledAttributes() method is supposed to build an array of
> > values that corresponds to the array you passed in to it.  So a crash like
> > this is completely independent of whatever is defined in the theme, and just
> > an outright bug in whatever platform code it is running on.
>
> > Also your code has another issue where it is using array.getResourceId() --
> > once you do get down to the TextAppearance, generally the values there are
> > literals, not references to other resources.  So this also will always fail
> > (it doesn't have a resource id), even if textSize does have a value, again
> > resulting in you getting your default value.  You should just call
> > getDimensionPixelSize() with the array offset at which you want to retrieve
> > your value -- 0 in your case.
>
> > Oh.
>
> > That is probably the crash. :)  If for some reason there *is* some value for
> > textSize, if getResourceId() returns non-0, then you will pass a value > 0
> > to getDimensionPixelSize(), which is outside the array you originally passed
> > in.
>
> > On Sun, Jan 16, 2011 at 9:24 AM, Brill Pappin  wrote:
> > > I'm getting this exception:
>
> > > java.lang.ArrayIndexOutOfBoundsException
> > > at
> > > android.content.res.TypedArray.getDimensionPixelSize(TypedArray.java:455)
>
> > > from this code:
>
> > >                 TypedArray array = 
> > > context.getTheme().obtainStyledAttributes(style,
> > > new int[] { android.R.attr.textSize });
>
> > > int textSize = array.getDimensionPixelSize(array.getResourceId(0, 0),
> > > defValue);
>
> > > I'm expecting a standard value from the system since thats what I'm asking
> > > for.
>
> > > It actually works on all devices I can get my hands on and of course the
> > > error reporting doesn't tell me anything useful except a stack trace.
>
> > > Does anyone have a solution that might work instead of this one?
>
> > > Does anyone know what device this might be?
>
> > > I do know that it has to be a 2.2 device or better because I've made the
> > > minimum 2.2 (froyo)
>
> > > At the moment the only idea I can come up with is to simply send a static
> > > value, but I'm obviously going to have to guess what the device is.
>
> > >  --
> > > You received this message because you are subscribed to the Google
> > > Groups "Android Developers" group.
> > > To post to this group, send email to android-developers@googlegroups.com
> > > To unsubscribe from this group, send email to
> > > android-developers+unsubscr...@googlegroups.com
> > > For more options, visit this group at
> > >http://groups.google.com/group/android-developers?hl=en
>
> > --
> > Dianne Hackborn
> > Android framework engineer
> > hack...@android.com
>
> > Note: please don't send private questions to me, as I don't have time to
> > provide private support, and so won't reply to such e-mails.  All such
> > questions should be posted on public forums, where I and others can see and
> > answer them.- Hide quoted text -
>
> > - Show quoted text -- Hide quoted text -
>
> - Show quoted text -

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[android-developers] Re: Compatibility across versions

[kypriakos]

I agree - in fact I added the last two versions in the Android SDK
installation and I am
working on testing the baseline on them. Thanks.

On Jan 15, 2:35 pm, TreKing  wrote:
> On Sat, Jan 15, 2011 at 11:50 AM, kypriakos  wrote:
> > Exactly - and we are not .. thanks.
>
> You should of course always to do sanity checks on each new version of the
> platform...
>
> -
> TreKing  - Chicago
> transit tracking app for Android-powered devices

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[android-developers] Progress Bar without a dialog box

[cool.manish]

Hi,

In my application, I am fetching data from server. During fetching
response and parsing it, I want to display a progress bar(Like
spinner) but without a dialog box.

If I am using ProgressDialog then it is also displaying Dialog box. I
had also tried Progress Bar but I have to include it in the XML. My
problem is this that I need to display progress bar in almost every
screen of my application and only at the time when I am fetching data
from the server. So I think, I shouldn't include it in XML of every
screen.

Please help me.

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Re: [android-developers] Progress Bar without a dialog box

[TreKing]

On Sun, Jan 16, 2011 at 10:49 PM, cool.manish wrote:

>  I had also tried Progress Bar but I have to include it in the XML.
>

No you don't. Did you even try creating it programmatically?

-
TreKing  - Chicago
transit tracking app for Android-powered devices

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Re: [android-developers] How to clear activity stack

[TreKing]

On Sun, Jan 16, 2011 at 10:06 PM, Subba  wrote:

> Is there any way to clear the activity stack trace when
> application launches again i want to clear the B activity from activity
> stack if it exists.
>
> Any suggestions please...?
>

Play with the activity launch flags defined in the Intent class.

-
TreKing  - Chicago
transit tracking app for Android-powered devices

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[android-developers] Does Android provide API to enable my IME

[xeagle]

Hi,

I'd like my IME is enabled when settings of my IME is launched so that
user do not need go to "Lanuage & Keyboard settings". Does Android
provide this kind of API?

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[android-developers] SDK Samples - API Level 6 and below: Where to find them?

[Zarah]

Hi guys,

I need to take a look at some of the sample apps for SDK level 6 and
below, but they are not available from the SDK manager. I only see
samples for API levels 7, 8 and 9.  I don't see a link to the older
samples from the developer site either.

I am looking for older samples since I want to look at the original
Searchable Dictionary code.  From the developer site:

Note: For the original version of Searchable Dictionary, which reads
words from a file instead of a database and uses a custom BaseAdapter,
see the SDK samples included with the platforms for API Level 4-6.

Does anyone know where I can find the original sample code?

Thanks as always!


Best regards,
Zarah.

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Re: [android-developers] SDK Samples - API Level 6 and below: Where to find them?

[Xavier Ducrohet]

older samples are inside the platform component. We started separating
them in their own component in api 7.

On Sun, Jan 16, 2011 at 9:11 PM, Zarah  wrote:
> Hi guys,
>
> I need to take a look at some of the sample apps for SDK level 6 and
> below, but they are not available from the SDK manager. I only see
> samples for API levels 7, 8 and 9.  I don't see a link to the older
> samples from the developer site either.
>
> I am looking for older samples since I want to look at the original
> Searchable Dictionary code.  From the developer site:
>
> Note: For the original version of Searchable Dictionary, which reads
> words from a file instead of a database and uses a custom BaseAdapter,
> see the SDK samples included with the platforms for API Level 4-6.
>
> Does anyone know where I can find the original sample code?
>
> Thanks as always!
>
>
> Best regards,
> Zarah.
>
> --
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> Groups "Android Developers" group.
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-- 
Xavier Ducrohet
Android SDK Tech Lead
Google Inc.
http://developer.android.com | http://tools.android.com

Please do not send me questions directly. Thanks!

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Re: [android-developers] Re: Tracking someone else using Latitude (Android Tutorial Wanted)

[Kevin Duffey]

I was going to suggest My Tracks as well. But I think what the OP wants is
the ability for his wife's phone to update his phone on her progress. I
would guess it's possible, but you'd have two components to the app. The app
that runs on her phone that updates some service of her progress.. maybe
using GPS location every 5 seconds or something (not sure the precision of
GPS info.. anyone know how often it updates?). The second piece would either
be a web service or a SMS listener app on the 2nd phone that would get
updates. If it was solely to be to track one phone from another, probably
have the phone to be tracked send updates out via SMS to the 2nd phone,
which..I think in 2.1. maybe 2.2, added the ability to have SMS listeners or
something like that..

Latitude I think has 15 minute updates. There is the option to turn on
real-time updates for a set amount of time, but this has never worked for
me. I've done this with my wife's phone, and I still seem to only get
updates every 10 or 15 minutes. I think for road trips, and finding a phone
or seeing where your wife is.. it's fine. But using it for real-time updates
is not. You're going to be better off writing an app that continually grabs
GPS info and sends that data somewhere.

Incidentally.. this is an excellent way to keep tabs on someone. ;)


On Sun, Jan 16, 2011 at 7:04 PM, Zsolt Vasvari  wrote:

> Try the free open-source Google app called My Tracks.  I've used it
> before and it's good.
>
> On Jan 17, 9:37 am, Chris Grant  wrote:
> > Hmmm... not even sure what a "runner app" is.  Do I buy this?  How is
> > it integrated in to my app so that i can get a friends location?  It
> > is ashame that Latitude for all its hype, is this hard to use and so
> > unreliable.  Anyone else have ideas on the easiest and most reliable
> > way to get a friends location?
> >
> > Thanks,
> >
> > Chris
> >
> > On Jan 16, 4:49 pm, Marcin Orlowski  wrote:
> >
> >
> >
> > > On 16 January 2011 21:12, Chris Grant  wrote:
> >
> > > > Does anyone out there have a snippet of code that shows how to do
> this
> > > > in an Android app?  Or can you point me to a real example?
> >
> > > Not the answer you expect, but IMHO dedicated "runner" apps would
> > > serve the purpose better and there're couple of such on Market.
> > > Latitude is not reliable (if you ask me) and you won't get as frequent
> > > reports as you may need.- Hide quoted text -
> >
> > - Show quoted text -
>
> --
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[android-developers] Re: REQUEST

[metal mikey]

On Jan 15, 12:12 pm, TreKing  wrote:
> On Fri, Jan 7, 2011 at 2:21 AM, Harshit Agrawal 
> wrote:
>
> > Please send me the complete code
>
> HELLO SIR/MADAM
>
> Please do your own damn work.
>
> WITH REGARDS:
> TreKing Developer

LOL. Alternatively you could post on freelancer.com to have some poor
soul do hundreds of dollars worth of work for you for the audacious
price of $30!

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[android-developers] Re: SDK Samples - API Level 6 and below: Where to find them?

[Zarah]

Thanks for the quick reply Xavier! :)



On Jan 17, 1:40 pm, Xavier Ducrohet  wrote:
> older samples are inside the platform component. We started separating
> them in their own component in api 7.
>
>
>
>
>
>
>
>
>
> On Sun, Jan 16, 2011 at 9:11 PM, Zarah  wrote:
> > Hi guys,
>
> > I need to take a look at some of the sample apps for SDK level 6 and
> > below, but they are not available from the SDK manager. I only see
> > samples for API levels 7, 8 and 9.  I don't see a link to the older
> > samples from the developer site either.
>
> > I am looking for older samples since I want to look at the original
> > Searchable Dictionary code.  From the developer site:
>
> > Note: For the original version of Searchable Dictionary, which reads
> > words from a file instead of a database and uses a custom BaseAdapter,
> > see the SDK samples included with the platforms for API Level 4-6.
>
> > Does anyone know where I can find the original sample code?
>
> > Thanks as always!
>
> > Best regards,
> > Zarah.
>
> > --
> > You received this message because you are subscribed to the Google
> > Groups "Android Developers" group.
> > To post to this group, send email to android-developers@googlegroups.com
> > To unsubscribe from this group, send email to
> > android-developers+unsubscr...@googlegroups.com
> > For more options, visit this group at
> >http://groups.google.com/group/android-developers?hl=en
>
> --
> Xavier Ducrohet
> Android SDK Tech Lead
> Google Inc.http://developer.android.com|http://tools.android.com
>
> Please do not send me questions directly. Thanks!

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[android-developers] Re: Anyone know how to calculate speed WITHOUT GPS?

[metal mikey]

Will this still work as the car approaches and quite potentially
breaches the speed of sound???

On Jan 15, 4:59 am, DanH  wrote:
> It only takes one phone:  You have the phone generate a tone and
> detect the shifted tone off of whatever object reflects it, like
> radar.  ;)

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Re: [android-developers] Re: Anyone know how to calculate speed WITHOUT GPS?

[Kumar Bibek]

In that case, it's an obvious NO. Then, you probably have to rely on the
camera's flash, and it's Doppler shift.

Kumar Bibek
http://techdroid.kbeanie.com
http://www.kbeanie.com



On Mon, Jan 17, 2011 at 11:35 AM, metal mikey  wrote:

> Will this still work as the car approaches and quite potentially
> breaches the speed of sound???
>
> On Jan 15, 4:59 am, DanH  wrote:
> > It only takes one phone:  You have the phone generate a tone and
> > detect the shifted tone off of whatever object reflects it, like
> > radar.  ;)
>
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Re: [android-developers] Re: Anyone know how to calculate speed WITHOUT GPS?

[Kumar Bibek]

Ah, I forgot, the phones don't yet have a light sensor. Too bad..


Kumar Bibek
http://techdroid.kbeanie.com
http://www.kbeanie.com



On Mon, Jan 17, 2011 at 11:44 AM, Kumar Bibek  wrote:

> In that case, it's an obvious NO. Then, you probably have to rely on the
> camera's flash, and it's Doppler shift.
>
> Kumar Bibek
> http://techdroid.kbeanie.com
> http://www.kbeanie.com
>
>
>
>
> On Mon, Jan 17, 2011 at 11:35 AM, metal mikey  wrote:
>
>> Will this still work as the car approaches and quite potentially
>> breaches the speed of sound???
>>
>> On Jan 15, 4:59 am, DanH  wrote:
>> > It only takes one phone:  You have the phone generate a tone and
>> > detect the shifted tone off of whatever object reflects it, like
>> > radar.  ;)
>>
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>

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[android-developers] Re: How to clear activity stack

[Doug]

On Jan 16, 8:06 pm, Subba  wrote:
> My application has two activities A, B.
>
> Initially application launches with A activity(root activity), and
> then it launches the B activity and finishes A activity.  Now B
> activity on the foreground.
> User pressed Home Button on B activity it launches HOME Screen, user
> launches the application it launches A activity(intentional) and on
> the background B activity still there.
> When user presses back (finish() method call) on A activity it goes to
> B activity.
> Is there any way to clear the activity stack trace when application
> launches again i want to clear the B activity from activity stack if
> it exists.
>
> Any suggestions please...?

http://developer.android.com/guide/topics/fundamentals.html#clearstack

Memorize this document or revisit it regularly.

Doug

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[android-developers] Re: Anyone know how to calculate speed WITHOUT GPS?

[ko5tik]

On Jan 12, 7:16 am, keyboardr  wrote:
> You could also try integrating the readings from the accelerometers,
> but I suspect this would give you even worse accuracy and you'd have
> to have some way to calibrate the zero point.

INS also requires gyroscopes.  But quality of those sensors lies far
below ones utilised
in  ICBMs in 60s

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[android-developers] Re: XML layout vs. programmatic

[MerlinBG]

I think this the XML layout is introduced mostly in order to facilitate GUI 
generators, like
http://droiddraw.org/

If they generate Java, which is editable for the developers, switching 
between code and modeling becomes rather error-prone.
The good thing is that you are not bound to it, you can go ahead and use 
Java-coded layouts only, If you prefer :)

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[android-developers] Version code being displayed instead of Version Name in Samsung Galaxy S - GT I9000 device?

[javame_android]

Hi,

I do not know what is the reason of this but I just installed one
Android app in Samsung Galaxy S - GT I9000 device and its displaying
Version code in App info screen. Whereas the Nexus One is displaying
the proper Version Name and not Version code.

Has anyone faced a similar issue and is there any solution to this?


Regards
Sunil

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[android-developers] How to have a Service, un-killed by any task killer

[Jawwad Farooq]

Hi,

I want to have a service that will not be killed by any task killer.
Can you please give some code snippet for that




Regards,


Jawwad Farooq

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[android-developers] [beginner] Analysis of the engadget app

[JPS]

Hello all,

I want to make an application with tabbed panes, with different views
in each pane. I would like to know if there is a standard component/
way for doing this.

An example of what I'm trying to do is the engadget android app.
Screen shot :
http://www.eurodroid.com/pics/engadget_updates_android_app_1.png

Any help to analyse how they are doing this will be greatly
appreciated.

Thx!

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[android-developers] GPS turned on automatically on some devices?

[Stephan Wiesner]

Hi,
my HTC users keep complaining that i don't turn off the GPS when they exit
my Google Maps app. The emulator shows the GPS symbol when I start my app,
but none of my test devices do (Samsung Galaxy S, SE Xperia Mini Pro).
I don't turn on the gps in the first place. And understood that I am not
allowed to do it, even if i wanted to.

Here is my code:
onCreate:
locationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
Criteria criteria = new Criteria();
bestProvider = locationManager.getBestProvider(criteria, false);

and
protected void onPause() {
super.onPause();
locationManager.removeUpdates(this);

and
@Override
protected void onResume() {
super.onResume();
locationManager.requestLocationUpdates(bestProvider, 1, 10, this);

Anybody knows if HTC turns on GPS by default?

Greetings from foggy Zurich,
Stephan Wiesner

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[android-developers] about KeyStore

[tangke]

hi all, I want to use the keystore to fix issue of the install package.

but I read the source code, that I can not found the source code of
KeyStore.PrivateKeyEntry ??

but I read the api/xml file and can get the information of
KeyStore.PrivateKeyEntry.


thanks in advance.

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[android-developers] Re: disable hard Search button while contextmenu is on.

[TreKing]

On Mon, Jan 17, 2011 at 12:43 AM, Amritesh  wrote:

> Thanks for replying
>
> Because that is the requirement of the UI spec of my project  i
> have done similar thing on dialog box and progress dialog ...
> but not able to find a way for context menu ... is there any way of
> doing that ..
>
> Thanks
> Amritesh
>

Please reply to the whole group.

I don't think you can control the Context Menu beyond populating and showing
it. Consider changing your requirements or implement your own context menu.

-
TreKing  - Chicago
transit tracking app for Android-powered devices

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Re: [android-developers] How to have a Service, un-killed by any task killer

[TreKing]

On Mon, Jan 17, 2011 at 1:04 AM, Jawwad Farooq wrote:

> I want to have a service that will not be killed by any task killer.
>

Don't we all.


>  Can you please give some code snippet for that
>

No.

-
TreKing  - Chicago
transit tracking app for Android-powered devices

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Re: [android-developers] [beginner] Analysis of the engadget app

[TreKing]

On Mon, Jan 17, 2011 at 1:17 AM, JPS  wrote:

> I want to make an application with tabbed panes, with different views
> in each pane. I would like to know if there is a standard component/ way
> for doing this.


Standard way of doing tabs would be TabActivity and TabView. Though I doubt
that's what's being used in the picture, by the looks of it.


> Any help to analyse how they are doing this will be greatly appreciated.
>

Looks simply like a LinearLayout with a single row of buttons. Clicking on a
given button changes the main view. This should be incredibly easy to layout
and code up.

-
TreKing  - Chicago
transit tracking app for Android-powered devices

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Re: [android-developers] about KeyStore

[TreKing]

I'm sorry but your post makes no sense.

-
TreKing  - Chicago
transit tracking app for Android-powered devices

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[android-developers] Re: [beginner] Analysis of the engadget app

[Zsolt Vasvari]

Another guy who wants to code an iPhone copy app on Android :(

On Jan 17, 3:46 pm, TreKing  wrote:
> On Mon, Jan 17, 2011 at 1:17 AM, JPS  wrote:
> > I want to make an application with tabbed panes, with different views
> > in each pane. I would like to know if there is a standard component/ way
> > for doing this.
>
> Standard way of doing tabs would be TabActivity and TabView. Though I doubt
> that's what's being used in the picture, by the looks of it.
>
> > Any help to analyse how they are doing this will be greatly appreciated.
>
> Looks simply like a LinearLayout with a single row of buttons. Clicking on a
> given button changes the main view. This should be incredibly easy to layout
> and code up.
>
> ---­--
> TreKing  - Chicago
> transit tracking app for Android-powered devices

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