It's part of the Google-addons:
http://code.google.com/android/c2dm/index.html
On 05/20/2010 08:53 PM, rtreffer wrote:
So Android 2.2 is out, we've got a new SDK, and a promising new
feature Android Cloud to Device Messaging.
But I just can't find any traces of this in the API diff.
Did
Depending on your specific needs, a service might make sense, but for
simple cases, it's not strictly necessary. You can instead use
Activity.onRetainNonConfigurationInstance(), which allows you to pass
live Java objects to the new Activity instance - i.e., for example an
AsyncTask object. Just
I have a service that runs continuously. I opted to run the service in
a separate process, communicating through IPC with the client
activities, thinking this will help conserve memory. If the user is
done interacting, Android could shut down the entire client side
process.
However, the protocol
Maybe try your luck with ACTION_ANY_DATA_CONNECTION_STATE_CHANGED:
http://www.google.com/codesearch/p?hl=en#uX1GffpyOZk/telephony/java/com/android/internal/telephony/TelephonyIntents.javaq=ANY_DATA_STATEsa=Ncd=2ct=rcl=64
It's not advertised in the public SDK, but Sipdroid seems to use it.
http://developer.android.com/guide/topics/fundamentals.html#proclifeKeeping
it around has no negative impact on the user.
It would be possible though that a broken application still has active
threads around which are eating CPU cycles, correct?
Michael
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I'm using the stock android.R.anim.fade_in animation to fade in a
textview. Here's the code to reproduce:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Animation fadeInAnim =
I had trouble with this too. The solution is to use support-screens to
enable anyDensity=true. Simply setting targetSdkVersion to something
= 4 also works, since this makes anyDensity=true the default.
I would have assumed that the SDK that you build against automatically
is considered the
I've written a simple script to convert from and to gettext .po files:
http://github.com/miracle2k/android2po
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Once thing I've asked myself for a while now: How would one manage
continuous updates to translations? I.e., when releasing a new
version, you wouldn't want your translators having to manually copy
and paste existing translations from the previous versions, or worse,
re-translate everything. Even
You can find a number of reports from people who see their Droids
crash in regular intervals (https://supportforums.motorola.com/thread/
16278); users like to attribute such problems to whatever app they
recently used/installed, but it really sounds like a problem with the
system in general.
This is slightly confusing me right now. If I have a content provider,
should it's authority be renamed also? I would have thought it makes
sense, allowing both versions to run next to each other cleanly.
But then I seem to be experiencing strange errors if both versions do
run hat the same
...or maybe I am just missing something?
I have a service and would like that service to keep up with the
user's current location. I don't have any particular requirements in
terms of accuracy etc.
So I am looping over the list of all providers, and registering a
listener for each. I thought
Is it correct that there is no way to change the actual icon of the
automatically created more menu item? I can see there is a
android:moreIcon option for Themes, but I can't get it to work, and
it looks like the MenuBuilder class actually has the internal theme
names hardcoded.
Make sure this doesn't just happen when you launch from Eclipse - this
is actually a pretty useful feature for development.
Michael
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After having a look at the source code, I would think that this is
supposed to work.
See sendServiceArgsLocked (http://www.google.com/codesearch/p?
hl=ensa=Ncd=1ct=rc#uX1GffpyOZk/services/java/com/android/server/am/
ActivityManagerService.javal=8950) which are later converted to
onStart() calls
I can confirm that Class.forName() works, though it's not the fastest
thing in the world (about 3 seconds for 10 message classes). I sort of
do feel like I need to init *all* of them in order to be safe.
Maybe I can find some clever way to do this in the background while the
user is still
I have a service that needs to hold a persistent TCP connection, think
IM. I'm reluctant to use setForeground() - the service being down
temporarily isn't that big a deal, and I am assume I can trust that
I'll be run again once memory is available, correct?
The problem here is this. The service
Ah, I've now run into this issue also, it seems. Strangely, it works
just fine for the most part, except for random, unreproducable cases,
where it starts to hang somewhere inside getDeclaredMethods().
easiest way to do this is to call Class.forName(String className)
early in the app start
Or the other way around: Downloaded it first from an 3rd party source
and then trying to buy it from the Android Market... this is a more
likely scenario. I'm not sure if the user needs to uninstall first.
No, Market seems to only care about package names. The app may appear as
not
It worked for me at some point, but mostly it doesn't either. However,
you can use the Dev Tools app that is installed in the emulator to
explicitly set your package as the one that should be debugged.
Michael
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Can I hide the app
icon from launcher after first launch?
Try PackageManager.setComponentEnabledSetting():
http://developer.android.com/reference/android/content/pm/PackageManager.html#setComponentEnabledSetting(android.content.ComponentName,%20int,%20int)
This does work for services,
I've read through the Application Fundamentals three times today (and
I had done so before), but I still can't quite wrap my ahead around
the task concept. Or I guess I thought I understood it, but usually,
the results I am seeing don't match up to what I would expect to
happen (maybe a tool to
From what I under understand, your application having a service running
is basically just holding a (service) object that tells Android not to
kill your process. The service onStart methods etc. still run in your
main thread and are subject to Application not responding.
You could have a
I have an activity that loads a bitmap from a database when it starts
up. Due to the nature of the app, should the activity be killed and
recreated at a later point, I cannot guarantee that the bitmap in the
database is still the same one.
Should I save the bitmap to the bundle to be able to
I'm writing a widget that needs to update rather infrequently (say
multiple hours). Following the source examples out there, it seems the
common solution is to use a service to prepare the updates. However,
after I am done, my process is still running on service level, it
looks like it's not
Don't use a service; use the alarm manager to schedule your
wakeup/work.
Currently I'm actually using the widget framework's update mechanism.
From what I understand, a service must be used in any case to avoid ANR
when processing the request might take a bit longer.
The widget example
I'm writing a widget. Currently, I'm have a simple ImageView, and
calling RemoteViews.setImageViewBitmap(). I'm using a service to do
the updates.
I thought it might be a good idea to reuse an existing RemoteViews
instance, so I'm only querying it the first time around, and
subsequently simply
The developer blog suggests that one might ask the user for a custom
widget update interval:
Consider updating as infrequently as possible, or letting your users
pick a custom update frequency.
http://android-developers.blogspot.com/2009/04/introducing-home-screen-widgets-and.html
It's not
check out our blog and demonstration video and comment to let us know
what you think.
I don't like having to click on a button (Call, SMS etc) after drawing
the gesture. Instead, I'd like to see the app doing that by itself
depending on where the gesture was defined.
Apart from that,
I need to separate to content areas in my application, and I thought I
would use the OS built-in style for better integration, style-wise.
The separator used by the ListView seemed to fit.
So I had a custom style resource like this, inheriting from
Widget.TextView.ListSeparator:
style
Are you unaware of the recent Scrabble issue on
the iPhone?
You are probably referring to Scrabulous on Facebook. As far as I am
aware, this also was mainly a trademark issue. Hasbro has claimed
copyright on the game itself, but of course, that doesn't really mean much.
I don't think you
it would be done on a discussion list, which would fit in with many
open source projects I've worked on where pre-release versions are
circulated and then developers say Yay or Nay to whether it's good
enough to call a production release,
I'm not sure what Open Source projects work like
Having seen the demo video of your game I can see why they would
appear to have a reasonable basis for their case. You'd added some
fancy features, but the basic game play is the same right down to the
block shapes.
I don't think so. I'm no layer either, of course, but I thought the
Apparently, I supposed to be able to open the Market page of my app by
querying an intent with an URL like:
market://details?id=app_id
where app_id seems to be the package name:
http://www.google.com/support/forum/p/Android+Market/thread?tid=5c8501d73226fad8hl=en
However, while this seems to
Apparently, I'm supposed to be able to open my app in the Android
market by querying an Intent with an URL like:
market://details?id=app_id
app_id seems to be the package name, e.g. say
com.NamcoNetworks.PacMan
See for example:
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