one at a
time, is going to be bad on any platform, let alone a mobile device.
> Is there any way to improve this program?
Probably several. However, since we have no context for what it is you
are trying to build, it is very difficult to provide much advice.
Long-term, I recommend you spend som
op and I get a "Web page not available" on
the G1. Feels like some browser sniffing gone awry.
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--~--~-~--~~~---~--~~
You
My code is like that:
>
> FileInputStream _orifile_ =
> openFileInput("/data//_samplefile_._txt_");
openFileInput() accepts relative paths only. No leading slashes are
allowed. openFileInput() represents files stored in an
application-specific storage area. getFilesDir() will tell you wh
Morris wrote:
> When I follow the steps of installing repo, I face the below errors.
This mailing list is for application developers.
Questions regarding the Android open source project are best asked on
lists for the Android open source project:
http://source.android.com/discuss
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M
n't determined if the above is not okay,
> and if not, why not. I'm doing this in several places, and it has
> never caused a problem.
openFileInput() gives you a storage spot unique to your application in
the on-board flash. It is not for use for, say, accessing /sdcard.
--
Ma
interval, change that value.
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BobW wrote:
> Mark,
> Great book. I recommend it to all.
> I like the subscription model also. Very cool.
Thanks!
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_The Busy Coder's Guide to Android Development_ Version
Bill Napier wrote:
> Have you tried accessing it on Wifi vs. cell data? Could also be a
> t-mobile data issue.
My test was WiFi, FWIW.
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EvgenyV wrote:
> Can I install any external file xml or text file next to apk
> like .config file?
If your program downloads or creates data, it can store the data on the
device.
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Android Training on the Ranch! -- Mar 16-20, 200
tion bigger than
what the G1 can handle. If you intend to show the whole image via some
sort of panning mechanism, consider splitting the image up into discrete
tiles, akin to what Google Maps does.
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guess is that I need to use a FLAG_ACTIVITY_*, or combination of
same, with my Intent to stop this behavior. However, I've tried a few,
and nothing has worked.
Any thoughts?
Thanks in advance!
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just happens to decide, each time that
> activity receives a new intent, to create a new "window" for it.
Thought that might be the case, but I figured it was worth asking...
Thanks!
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ning it once with
-wipe-data to rebuild it.
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Grou
ot
necessarily pre-installed on every Android device.
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You received this message because you are subscribed to th
and
Service/WeatherPlus examples both use locations. They go a little
overboard on the permissions, as I too had frustrations with the
location stuff, during the M5->0.9->1.0 SDK shifts. They definitely work
under 1.0r1. I'll be trying them on 1.0r2 before the year's ou
e able to post a
Notification...though I'm not sure if that will survive the service
closing down.
2. You can't even be assured onDestroy() is called -- the process might
just be terminated outright in extreme cases.
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med to like %20 better, I figure
that's the better answer.
Issue 978 reports the same behavior. I have added these comments there
as well.
But, if you think this is supposed to work, I feel like I'm missing
something.
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_The
me.
> Please reply.I am waiting for u people to reply.
> Thanks
Peli has saved our bacon yet again:
http://www.openintents.org/en/node/121
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ough I
needed to recompile the source code to make Android happy.
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source is
samples/ApiDemos/src/com/example/android/apis/view/Tabs1.java.
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You received this message because you are
dileep singh wrote:
> hey please check this link.http://androidguys.com/?p=3100#comment-5168
> once again mark has proved himself that he is always dere to help
> android guys.
Thank Peli, not me -- I just added some more words around the research
he and the OpenIntents team did.
book. I can't guarantee a timetable, though.
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You received this message because you are subscribed to
> String idString = "button" + i + j;
> button = (ImageButton) findViewByIdString(idString);
> setupButton(button,i,j);
> }
> }
>
> Suggestions?
>
> Thanks,
> Ray
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s/
> I've searched around a bit, and while I can find numerous posts
> suggesting Android-specific timing mechanisms, I have not found
> anything that says that java.util.TimerTask shouldn't be sufficient,
> the Android docs include no kinds of qualifiers, and this post (from
&
t what the "next most contacted contact"
is, or you would have to keep a file or database table or something that
knows what the widget is currently showing, so you can determine what is
"next" to be shown.
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Android App D
of
the time, and that is unlikely to be the case.
> But i am not sure what will happen to the timer task if the device went to
> sleep while the task was running.
TimerTask does not wake up the device.
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ound' this location.. call me". Something like that?
That certainly exists, but I have not experimented with it recently, let
alone with the device in sleep mode.
Again, the OP was inquiring about timers, so my reply was focused on timers.
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> I'm testing an app on the nexus one at the moment and notice the get
> height of display function is returning 533 is this some sort of
> compatibility mode resolution?
Probably, if you don't have set up.
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Android App De
essages is lauched or
> not.
>
> How can I do that. Please suggest if you have any idea.
You cannot do this.
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this?
None of those display what I would call a "fade effect". Could you be more
specific?
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then apply that drawable resource as the background of the window
or ListView or whatever. As the article you linked to suggests, you will
also wish to change or turn off the cache color hint.
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eference/android/os/PowerManager.html#PARTIAL_WAKE_LOCK>
> the best approach for me?
Yes, though please be respectful of your user's battery life.
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t
offering more places to get their app.
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To post to
tates (pressed, focused, etc.). And, of
course, the background is what provides the actual button itself. When you
replace the background with a simple image, you lose all of that.
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4. Assign your @drawable/btn_toggle as the background for your ToggleButton.
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are always a bug in Android -- at minimum, it should throw a
Java exception rather than segfaulting.
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n, you can provide them with
unique widget IDs. You will save memory, save CPU time, save battery life,
reduce the odds that you will encounter a StackOverflowException for
having too complicated of a UI, and solve this problem, all at the same
time.
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lease do not do this.
If you want to simply close up an activity, the activity can call finish().
> How can i close an application safely?
You do not need to:
http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon/2034238#2034238
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the same crash happening.
That permission (ACCESS_DOWNLOAD_MANAGER) is not in the SDK. It is not
available to SDK applications.
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ude that JAR in B.
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that users will prefer an
OS that handles app cleanup itself, rather than one that forces a
single-process paradigm or one that forces users to have to clean up all
apps themselves.
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> Thanks for the reply. Is there a way to prevent the application list
> from displaying an apk?
No. That would be a security violation.
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> Is it possible to developp an application which :
> - run in background (I know that it's possible with Services)
> - is impossible to close or to stop ?
No. Users can always stop background services using the Settings application.
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new user ID.
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pes.
You don't really describe the nature of the failure. What specifically is
happening when you try to view one of these attachments.
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e android:sharedUserLabel as
well, not just android:sharedUserId.
Beyond that...I'm stumped. I haven't used sharedUserId personally, so I
don't have any of my own sample code to point you to.
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r of
sample intent filters that use android:mimeType. See if any of those are
treated properly by the mail client. If one does, try mirroring their
intent filter.
BTW, you're *sure* the email is coming over the wire with the attachment
as text/calendar (versus some other MIME type)?
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ur service stopped normally, and use an alarm to
wake up the device and run your code.
http://tinyurl.com/y9mttv5
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ing.
>
> Use AlarmManager. Keep your service stopped normally, and use an alarm to
> wake up the device and run your code.
>
> http://tinyurl.com/y9mttv5
Whoops, sorry, errant URL paste there. I was aiming for:
http://www.androidguys.com/2009/04/02/wake-up-with-the-alarm/
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stalled? This way i
> could trigger the file rename of *c*.
No.
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> up with "Add to playlist" as the title, and "Current playlist", "New",
> and however-many-playlists-you-have defined after that.
The second one might just be an AlertDialog.
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ould need a
third-party tar class. ZIP files can be handled natively.
> Well, actually i can modify the apk, because the apk is a zip file
> (=jar).
Not at runtime.
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eCursorAdapter?
Neither. Set up a listener on the ListView. If this is part of a
ListActivity, just override onListItemClick(). If not, use
setOnItemClickListener() on the ListView itself.
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Android
will be clicked if the user presses the center button on the
D-pad.
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ng that has a persistent
"selection".
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Is there no way for starting a GPRS connection, like the
> WiFiManager provides for WiFi connections?
Just use sockets, or HttpClient, or whatever. You do not need to start a
GPRS connection, as it is always on if it is available (i.e., not
somehow disabled by the user) and WiFi is not activ
g.)
The HTC Hero does not have a "Hide Keyboard" hardware button. I am
assuming the OP is referring to the button in the lower-left of the Hero
IME, which hides the keyboard.
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Warescription: Three Andr
om/group/cw-android
(BTW, thanks to Kevin and Temitope for recommending me!)
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wish to manage your
own object pool for those, recycling them yourself.
Whether or not this is the source of your specific difficulty, of
course, is impossible to tell from here.
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Android Training in US: 8-12
gt; every so often and you get the updates for a year as part of the price. The
>> best part is Mark has a forum for the book as well as you'll see him
>> replying here on this forum quite a bit.
Particularly now that I'm back to my regular un-banned status
(cotton-pi
ifferent than any other business income.
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To
ich
are all set up using this model:
http://commonsware.com/cwac
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To
ams), making the desired changes, and
calling setLayoutParams() to affect those changes.
Note that I haven't done this in quite some time, so the above recipe is
from memory and may be a bit off, though I'm pretty sure it is mostly
correct.
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first run and storing
them on the SD card.
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ot mean you can launch it directly using
the component name anymore.
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ting
> Sunday item through the spinner ,toast message should display "Sunday
> Selected".
>
> Please guide me on how do this and if possible share code snippet.
What part of this are you having difficulty with?
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Android App
> When user click on the item, I dont knw which event to register like
> button
> have OnClick so what is there for this & how to check which item is
> selected?
Use setOnItemClickListener().
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t process space? especially when the ContentProvider
> instances accessing the same SQLite DB file?
SQLite has built-in multi-process concurrency control -- it's part of the
product.
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any
equivalents from other distros.
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going again (which worked with the initial view,
> before the update of the text).
Re-inflate the view and update the whole thing, just as you did with the
initial view.
Unfortunately, lots of useful methods (e.g., setSelected()) are not
annotated to be allowed for use via RemoteViews.
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tunately, I'm not aware of any place in the Settings app or anywhere
that you can see the ANDROID_ID value without code, to see if that is the
source of your difficulty. Perhaps you can find a pre-compiled app on the
Market that will report that information.
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ew, it came to my desk still closed in his
> box.
> Is there any way to reset to the factory settings and restore
> everything?
Probably, but I suspect that's a device-specific process.
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> I have a gzipped (*.gz) file in my res/raw directory.
Why? The APK file is already a compressed archive.
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for files in res/raw. Yeah, I could break things up
> into separate files, but that's sort of a pain to maintain.
And trying to un-GZIP a stream isn't? :-)
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s like
> the growing advice on this list is to store the larger stuff on the SD
> card
> and have the user download it when the application first runs in order to
> maintain a smaller internal memory application footprint.
Yup.
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known to be compressed (e.g., PNG), but
I'd be a bit surprised if that extended to .gz files.
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plication.
> If you think it's not possible to get hold of it, would you mind
> suggesting an alternative photo viewing app which has its source open ?
The Gallery source code in in the AOSP. There is also a photo app or two
in the apps-for-android site (http://code.google.com/p/apps-for-
; android:layout_height="wrap_content"
>
> android:layout_gravity="center_horizontal">
>
>
>
>
> So it's a layout of two rows, the first row consi
ble via
TelephonyManager, IIRC.
> What is the purpose of ANDROID_ID if those values
> are available?
1. Not everything is a phone
2. Not every phone has IMSI/IMEI -- not sure what those values map to in
CDMA, for example
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And
or two on creating your own
layout classes, I'd love to see 'em.
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Task is based upon
> these classes) and tell the ExecutorService to use Thread-pools of any
> size.
I have a version of AsyncTask for Android 1.5 that eliminates the
one-thread limitation:
http://github.com/commonsguy/cwac-task
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Android A
> I'm trying to get a list of folders in /data/data that starts with
> "totalcross". Is this possible? All i get is "permission denied".
Correct. You do not have the rights on a device to read the directory
contents of /data/data.
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> onCreate.
>
> Any Suggestion?
Most likely, there is an Intent resolution problem. Look at LogCat at the
warning level and see if you get any messages from Android saying that it
could not resolve some Intent. You can also confirm that your service has
an with an action that is equiv
to the superclass
-- The EditText shares an android:id with some other widget in the layout
You are welcome to manually maintain the state of the EditText yourself
via onSaveInstanceState()/onRestoreInstanceState(), if the built-in
support does not meet your needs.
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applications are installed.
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R.xml.class.getDeclaredFields() doesn't return
> any fields.
>
> The AssetManager didn't seem to work either because these are not raw
> assets.
>
> Does anyone have ideas or examples?
I don't think it is possible at runtime. You could write a code generator
to build you
when the user scrolls to the bottom of the list and
therefore needs more data.
http://github.com/commonsguy/cwac-endless
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> How to close one task in special.
Please don't.
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> And the Problem is If i want to start activity which is not specified
> in tabhost in above Java code,it is going out of tabactivity.
> ie.,It is not coming in tabactivity.
>
> 2)But i want to have all the activities under tabActivity.
That is not possible, AFAIK.
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cPlayer or something for the voiceover.
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be for your application, not for an individual
component. Moreover, I don't think you would get this message just for
this permission being missing.
> 3. Any other suggestions
Are you sure your emulator has an SD card image? They don't by default.
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ill appear just above the horizontal line.
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> Is the list/adapter just creating 20K objects as it walks the result
> set?
No, but your database query is probably making a 100K roster of objects or
more. Only as many views as are needed for the visible rows in the list
will be created.
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now how to get access to that number in the device?
I do not believe it is exposed via the SDK. If you see it anywhere outside
of adb (e.g., somewhere in the Settings app), you might look at the source
for that app to see how they get it.
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And
r for the actual
ListView, and convert each query's Cursor into a new set of objects to be
added to the adapter. Then, you can close and release the Cursor. This has
the advantage of simplifying the merge logic, at the cost of extra
processing (and briefly extra memory) when you load in e
lease it if
> the flag isn't set when onDestroy comes along. Seem reasonable?
Why not just pass the ArrayList in onRetainNonConfigurationInstance()?
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You receive
> Is there a concept of "user name" in Android? Windows Mobile lets you
> enter a description of the owner of the phone; Palm OS has the concept
> of user name. But i couldn't find anything about this in Android.
The device itself does not really track this anywhere.
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he path name like /sdcard be the same when connected to the
> actual
> device.
No. Some devices have their SD card under different paths. Use
Environment.getExternalStoragePath() to get the path to the SD card.
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Mark Murphy (a Commons Guy)
http://commonsware.com
Android App Developer Books:
adb shell or DDMS' File Explorer to poke around and
deduce the path.
--
Mark Murphy (a Commons Guy)
http://commonsware.com
Android App Developer Books: http://commonsware.com/books.html
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