date:20090207


Can you please report this issue in http://b.android.com/ ? (a plain
copy-paste will do).

Thanks,
JBQ

On Sat, Feb 7, 2009 at 6:54 AM, Stefan skyntc...@gmail.com wrote:

 It appears that  android.internal.widget.SlidingDrawer widget had
 changed between RC30 and RC33.

 On RC33 it fails to inflate the layout XML complaining  that: The
 handle attribute is required and must refer to a valid child

 This is the XML I am trying to inflate:

 com.android.internal.widget.SlidingDrawer
android:id=@+id/drawer android:layout_width=fill_parent
android:layout_height=wrap_content
android:topOffset=5px
android:bottomOffset=7px
android:handle=@+id/playlistHeader
android:content=@+id/playList

ImageView android:id=@id/playlistHeader
android:focusable=true
android:clickable=true
android:scaleType=center
android:src=@drawable/ic_mp_current_playlist_btn
android:layout_height=56dip
android:layout_width=fill_parent /

ListView
android:id=@+id/playList
android:layout_width=fill_parent
android:layout_height=fill_parent
android:background=@color/grid_dark_background/

 /com.android.internal.widget.SlidingDrawer

 The XML above has both the content and the handle attribute and
 worked fine in RC30?
 Does anyone know what has changed and how to fix it?

 Stefan
 




-- 
Jean-Baptiste M. JBQ Queru
Android Engineer, Google.

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[android-developers] WebView-Security/Privacy

2009-02-07 Thread Fred Grott(shareme)


For those developing webview apps..

Recommended Security and Privacy Settings:

webVew websettings:

savePassword false
save form data false

Save username password pair allowing multiuser using SQlite
set an app username password pair to ask on app start up.

This avoids the concerns complained about with Loopt and Google
Latitude.

This way you prepare app for being borrowed among device owner's
friends and other privacuy/security concerns.
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[android-developers] Re: SharedPreferences - is it secure?

2009-02-07 Thread Fred Grott(shareme)


SQLite stores user  data by the app package name. if you did a db
scehma that allowed for more than one user than it would be a safe way
to go assuming that your popular app is borrowed along with device
among friends..



On Feb 7, 8:31 am, Teo teomina...@gmail.com wrote:
 Hi,

 i'm implementing a feature that requires a password, is it safe to
 store using SharedPreferences.Editor? Is there another recommended way
 for storing passwords?

 Thanks,
 Teo
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[android-developers] Re: SharedPreferences - is it secure?

2009-02-07 Thread Teo

Thanks for the reply. I'll only have one password per device - as for the
device borrowing (if i understood correctly what you said) i'm not sure i
can do anything about that :)
The thing is, i asked this question becase it's called 'Shared'Preferences.
But i've seen that it also has a MODE_PRIVATE parameter, and according to
the docs:

the created file can only be accessed by the calling application (or all
applications sharing the same user ID).


And again, according to the docs:

Each Android package (.apk) file installed on the device is given its own
unique Linux user ID, creating a sandbox for it and preventing it from
touching other applications (or other applications from touching it). This
user ID is assigned to it when the application is installed on the device,
and remains constant for the duration of its life on that device.


So i guess this should be enough, unless i'm missing something... (SQLite
would be a nice solution but it doesn't seem natural to me for individual
settings)

Thanks,
Teo

On Sat, Feb 7, 2009 at 5:29 PM, Fred Grott(shareme) fred.gr...@gmail.comwrote:


 SQLite stores user  data by the app package name. if you did a db
 scehma that allowed for more than one user than it would be a safe way
 to go assuming that your popular app is borrowed along with device
 among friends..



 On Feb 7, 8:31 am, Teo teomina...@gmail.com wrote:
  Hi,
 
  i'm implementing a feature that requires a password, is it safe to
  store using SharedPreferences.Editor? Is there another recommended way
  for storing passwords?
 
  Thanks,
  Teo
 



-- 
Teo (a.k.a. Teominator a.k.a. Teodor Filimon)
site www.teodorfilimon.com | blog www.teodorfilimon.blogspot.com
GMT +2

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[android-developers] Writing files to SD card failing

2009-02-07 Thread Tane Piper


Hi there,

I'm writing an podcast playing application.  The application has pre-
defined feeds but I want to cache the image of the feed for 30 days.
However, on the initial creation of the podcast I am downloading the
image, and trying to save it to the SD card using the code below:

public long createPodcast(RssFeed feed, String feedUrl) {
ContentValues insertValues = new ContentValues();
insertValues.put(KEY_FEED_TITLE, feed.title);
insertValues.put(KEY_FEED_FEED_URL, feedUrl);
insertValues.put(KEY_FEED_LINK, feed.link);
insertValues.put(KEY_FEED_DESCRIPTION, feed.description);
insertValues.put(KEY_FEED_PUBDATE, feed.pubDate);
insertValues.put(KEY_FEED_IMAGE_URL, feed.imageUrl);
insertValues.put(KEY_FEED_IMAGE_WIDTH, feed.imageWidth);
insertValues.put(KEY_FEED_IMAGE_HEIGHT, feed.imageHeight);
insertValues.put(KEY_FEED_SUBSCRIBED, false);

long rowId = mDb.insert(TABLE_PODCAST_LIST, null,
insertValues);

String storage_state = Environment.getExternalStorageState
();
if (storage_state.contains(mounted)) {
File f = Environment.getExternalStorageDirectory();
File j = new File(f, twitcast);
try {
URL users_avatar = new URL(feed.imageUrl);
HttpURLConnection conn = (HttpURLConnection)
users_avatar.openConnection();
conn.setDoInput(true);
conn.connect();
InputStream is = conn.getInputStream();
Bitmap bmImg = BitmapFactory.decodeStream(is);

File k = new File(j, rowId + .jpg);
k.mkdirs();
k.createNewFile();
FileOutputStream fos = new FileOutputStream(k);
bmImg.compress(Bitmap.CompressFormat.JPEG, 100, 
fos);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return rowId;
}

However, it keeps failing on the line k.createNewFile(); with the
error:
WARN/System.err(10727): java.io.IOException: Parent of file is not a
directory: /sdcard/twitcast/1.jpg

I've checked and I have write permission and the SD card is mounted,
and I have android.permission.MOUNT_UNMOUNT_FILESYSTEMS included in my
manifest.

Does anyone have any ideas why this keeps failing?

Thanks,
Tane Piper

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[android-developers] Re: Writing files to SD card failing

2009-02-07 Thread David Given

Tane Piper wrote:
[...]
   File k = new File(j, rowId + .jpg);
   k.mkdirs();
   k.createNewFile();
[...]
 However, it keeps failing on the line k.createNewFile(); with the
 error:
 WARN/System.err(10727): java.io.IOException: Parent of file is not a
 directory: /sdcard/twitcast/1.jpg

It looks like there's a file on your SD card called '/sdcard/twitcast'
that's preventing the directory from being created. Is File.mkdirs()
returning non-zero? (Remember that it doesn't throw an IOException on
error.)

Also, in the interests of pedantry, it's a good idea to close your
FileOutputStream after use --- while the garbage collector will take
care of it *eventually*, leaving the file open may cause you problems
later if you need to open the file again.

-- 
┌─── ｄｇ＠ｃｏｗｌａｒｋ．ｃｏｍ ─ http://www.cowlark.com ─
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[android-developers] debugging integrated Java and native code

2009-02-07 Thread Sergey Ten


Hi,

I am trying to figure out what is the best way to debug a mix of Java 
and native code? Please notice, that I am NOT trying to develop a native 
app. The app will be written entirely in Java, using Android SDK. 
However, I noticed that some pieces of the SDK use native methods (e.g. 
AssetManager, WebKit, etc). I wonder which tools Google developers use 
if/when they need to debug a mix of Java and C/C++ code? Eclipse/gdb or 
there are commercial tools which make the debugging experience less 
painful?

I googled on this topic and the results returned do not look very 
encouraging.

Thanks,
Sergey

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[android-developers] Re: Writing files to SD card failing

2009-02-07 Thread Tane Piper


Yea, I checked the SD card and there was a file there, I remove it and
also moved the mkdirs up to the second File, now works fine.  Thanks
for the tip on closing the file too.

On Feb 7, 5:10 pm, David Given d...@cowlark.com wrote:
 Tane Piper wrote:

 [...]

                             File k = new File(j, rowId + .jpg);
                             k.mkdirs();
                             k.createNewFile();
 [...]
  However, it keeps failing on the line k.createNewFile(); with the
  error:
  WARN/System.err(10727): java.io.IOException: Parent of file is not a
  directory: /sdcard/twitcast/1.jpg

 It looks like there's a file on your SD card called '/sdcard/twitcast'
 that's preventing the directory from being created. Is File.mkdirs()
 returning non-zero? (Remember that it doesn't throw an IOException on
 error.)

 Also, in the interests of pedantry, it's a good idea to close your
 FileOutputStream after use --- while the garbage collector will take
 care of it *eventually*, leaving the file open may cause you problems
 later if you need to open the file again.

 --
 ┌─── ｄｇ＠ｃｏｗｌａｒｋ．ｃｏｍ ─http://www.cowlark.com─
 │ A line dancer near a graduated cylinder, the blithe spirit inside
 │ some wheelbarrow, and a tomato are what made America great! ---
 │ received via spam

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[android-developers] Re: WebView responding to touch events

2009-02-07 Thread Sergey Ten

Mark,

I think I had this problem myself and could solve it by using the following
code:

   webView.setOnTouchListener(new View.OnTouchListener() {
   public boolean onTouch(View v, MotionEvent event) {
   switch (event.getAction()) {
   case MotionEvent.ACTION_DOWN:
   case MotionEvent.ACTION_UP:
   if (!v.hasFocus()) {
   v.requestFocus();
   }
   break;
   }
   return false;
   }
   });

Hope this would help,
Sergey

On Sat, Feb 7, 2009 at 12:07 AM, Mariano Kamp mariano.k...@gmail.comwrote:

 Mark, maybe you should post some code?


 On Thu, Feb 5, 2009 at 4:36 PM, Mark Nuetzmann 
 mark.nuetzm...@gmail.comwrote:


 I have an Activity that has a WebView that contains some simple html
 that allows me to display a Terms  Conditions link that if touched or
 clicked calls another activity.  My problem is unless the link in the
 WebView has focus (ie, the text is wrapped with that little orange
 focus) I cannot touch the link and have it work.  If any other view on
 the activity has focus, touching the WebView with the link does
 nothing.  The other Views that had focus loose focus, but the WebView
 does not receive focus.  I have tried calling setFocusable(true) and
 setFocusableInTouchMode(true) but that does not do any good...

 I would really like to know what you have to do to get a WebView to
 respond to touch events without using the trackball to scroll to the
 view before touching it.

 thank you,
 Mark



 


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[android-developers] Android Developers Needed in Singapore

2009-02-07 Thread Zi Yong Chua


Dear fellow developers,

I am working on a mobile application that relates to media content
delivery that I am building on the Android platform. Now I am trying
to look for Android developers in Singapore who is interested in
taking on this project. If you are from Singapore and is interested,
please contact me via my email (chu...@gmail.com) and we can meet up
to discuss about the details. Thank you.

Cheers
Zi Yong
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[android-developers] Re: SharedPreferences - is it secure?

Teo, using SharedPreferences with MODE_PRIVATE should be safe in the
sense that other application cannot snoop in there.

Using an SQLite database is not more or less secure than
SharedPreferences. Both are stored in the data folder of your
application, the security of which is provided by the underlying linux
system.

(Note that rooted devices do not provide this security, because any
application can possibly become root and do whatever it wants on the
phone, AFAIK. But that's the user's risk when rooting a device.)

Also, there's currently no central password store provided by the
Android SDK. There's a project called CryptoIntents that you could
make use of to store the password encrypted. This requires the user to
enter a master password whenever you want to access the unencrypted
password (with some timeout).
http://code.google.com/p/openintents/wiki/CryptoIntents

For authentication at Google services, I think there's a plan to allow
apps to obtain an auth token for the Google account associated with
the device. See this discussion:
http://groups.google.com/group/android-developers/browse_thread/thread/f63f19acb691c980/ddc37cd8e23d56c8?lnk=raot

Christoph

On Sat, Feb 7, 2009 at 4:54 PM, Teo teomina...@gmail.com wrote:
Thanks for the reply. I'll only have one password per device - as for the
device borrowing (if i understood correctly what you said) i'm not sure i
can do anything about that :)
The thing is, i asked this question becase it's called 'Shared'Preferences.
But i've seen that it also has a MODE_PRIVATE parameter, and according to
the docs:

the created file can only be accessed by the calling application (or all
applications sharing the same user ID).

And again, according to the docs:

Each Android package (.apk) file installed on the device is given its own
unique Linux user ID, creating a sandbox for it and preventing it from
touching other applications (or other applications from touching it). This
user ID is assigned to it when the application is installed on the device,
and remains constant for the duration of its life on that device.

So i guess this should be enough, unless i'm missing something... (SQLite
would be a nice solution but it doesn't seem natural to me for individual
settings)
Thanks,
Teo
On Sat, Feb 7, 2009 at 5:29 PM, Fred Grott(shareme) fred.gr...@gmail.com
wrote:

SQLite stores user data by the app package name. if you did a db
scehma that allowed for more than one user than it would be a safe way
to go assuming that your popular app is borrowed along with device
among friends..

On Feb 7, 8:31 am, Teo teomina...@gmail.com wrote:
Hi,

i'm implementing a feature that requires a password, is it safe to
store using SharedPreferences.Editor? Is there another recommended way
for storing passwords?

Thanks,
Teo

--
Teo (a.k.a. Teominator a.k.a. Teodor Filimon)
site www.teodorfilimon.com | blog www.teodorfilimon.blogspot.com
GMT +2

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[android-developers] Help debugging frequent garbage collection

2009-02-07 Thread snctln


I am having an issue with my latest game (available in the market as
BreakTheBlocks Lite)

This is a simple arcade style game, It started with a thread
controlling the game loop but now I just have a runnable that performs
the game loop functions and then posts back to itself.

In its original release there was a noticeable stutter in the game
every other second or so.  After a great deal of time debugging I
finally realized that every time the stutter happened LogCat showed
that garbage collection was taking place.

I went through my code and got rid of creating as many temporary
objects as possible.  After that the stutter went from happening every
1.5 seconds to happening every 13-16 seconds.  This is much better,
but I can't seem to reduce the time any further.

According to LogCat the garbage collector is still running on my game
thread every 15 seconds I see the message GC freed 19833 objects /
878848 bytes in 131ms... and since my game runs at about 30 frames a
second a 131 millisecond stutter causes about 4 frames to be dropped
which is an annoyance for me and the users of my game.

So my question is What can I do to further debug this problem?  I have
always known garbage collection existed but I have never bothered to
care about it until now because it is finally affecting the
performance of my app (and I am a C++ programmer by day so I usually
forget about the GC)

Is there any way to see what the garbage collector is collecting?  Is
there any way that I can tweak the behavior of the GC for my app?

Sorry for the long winded question and thank you in advance for any
responses
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[android-developers] Using bindView to Customize ListView

2009-02-07 Thread Nmix


In all the examples I've found to manipulate each view in a ListView,
the method always seems to be getView(). But these were never Adapters
backed by a cursor. I decided to try bindView() within a
SimpleCursorAdapter, and so far it works very nicely, especially with
the cursor all set up for my use.

My question is, is this usage good practice, and could I run into a
problem in future? My question may be dumb but I just couldn't find a
good example code snippet that uses a cursor.
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[android-developers] Re: SharedPreferences - is it secure?

2009-02-07 Thread JP




On Feb 7, 9:43 am, Christoph Studer chstu...@gmail.com wrote:
 (Note that rooted devices do not provide this security, because any
 application can possibly become root and do whatever it wants on the
 phone, AFAIK. But that's the user's risk when rooting a device.)

Suppose user loses phone. Finder then roots it and uses adb to pull
the database and preferences files - Damage done. I consider it good
practice to assume *anything* that's stored on the device is up for
grabs.

Even with encryption things may be dicey. Finder may have success
retrieving the original password through a reverse lookup. Just by
what Google does (crawling the web), they've indexed a sizeable number
of MD5 passwords for a reverse lookup.

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[android-developers] Central service scheduler


Would it make sense to create a central scheduler for services that
need to run periodically?

There are a lot of application that want to run at periodic intervals,
require network access and need to keep the device awake during their
work. Instead of each app having to use an AlarmManager, a WakeLock
and its own network availability checking / auto-retry, wouldn't it
make sense to provide an API that would do that work?

Also, if you have a lot of apps on your device with background checks,
they run on different schedules and wake the device up more frequently
than if they'd run on a synchronized schedule.

Ideally, I'd imagine this service scheduler to provide the following:
* Application can register and unregister service intents for a
certain schedule.
* Provide schedules an app can register for. These could be constant
such as a frequent schedule (every 10mins) and a less frequent one
(every 60mins), or maybe user configurable.
* Apps can specify a network filter, i.e. only run when connected via
wifi, 3g, 2g...
* Services would signal to the scheduler when they're done, possibly
with an error code such that the scheduler could retry automatically
out of the ordinary schedule.
* Provide a UI for users to change schedules, unregister services, etc.
* Define and require permissions for schedules such that users could
see how much battery drainage an app is causing.

I really think this would be quite useful for developers and users
likewise. This central service scheduler could be part of the
platform/SDK or it could be a user APK, much like some of the OI
components already available.

Any thoughts?

Christoph

P.S.: Not sure whether android-developers is the right mailinglist,
but it does not quite fit into any of the others, either.

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[android-developers] Re: debugging integrated Java and native code

2009-02-07 Thread Dave Sparks


A few of our developers use Eclipse as a front-end for gdb. I recall
that the setup is a bit tricky. Maybe someone can post the magic
formula.

I use gdb myself, but then I still use vi and makefiles. IDE's are for
wimps. :)

On Feb 7, 9:22 am, Sergey Ten sergeyte...@gmail.com wrote:
 Hi,

 I am trying to figure out what is the best way to debug a mix of Java
 and native code? Please notice, that I am NOT trying to develop a native
 app. The app will be written entirely in Java, using Android SDK.
 However, I noticed that some pieces of the SDK use native methods (e.g.
 AssetManager, WebKit, etc). I wonder which tools Google developers use
 if/when they need to debug a mix of Java and C/C++ code? Eclipse/gdb or
 there are commercial tools which make the debugging experience less
 painful?

 I googled on this topic and the results returned do not look very
 encouraging.

 Thanks,
 Sergey
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[android-developers] Re: SharedPreferences - is it secure?

2009-02-07 Thread Teo

An auth token would be great, coincidentally it's a Google service i need a
password for.
@JP: Wouldn't a finder of a lost phone have access to the user's Google
account in the first place? From what i know, the signing in is done
automatically after setup.

On Sat, Feb 7, 2009 at 8:18 PM, JP joachim.pfeif...@gmail.com wrote:




 On Feb 7, 9:43 am, Christoph Studer chstu...@gmail.com wrote:
  (Note that rooted devices do not provide this security, because any
  application can possibly become root and do whatever it wants on the
  phone, AFAIK. But that's the user's risk when rooting a device.)

 Suppose user loses phone. Finder then roots it and uses adb to pull
 the database and preferences files - Damage done. I consider it good
 practice to assume *anything* that's stored on the device is up for
 grabs.

 Even with encryption things may be dicey. Finder may have success
 retrieving the original password through a reverse lookup. Just by
 what Google does (crawling the web), they've indexed a sizeable number
 of MD5 passwords for a reverse lookup.

 



-- 
Teo (a.k.a. Teominator a.k.a. Teodor Filimon)
site www.teodorfilimon.com | blog www.teodorfilimon.blogspot.com
GMT +2

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[android-developers] Re: SharedPreferences - is it secure?


That's right. It's unfortunately a trade-off between convenience and security.

Somewhere on your device, there's also your Gmail password or some
sort of ling-living token that can be used to authenticate against
Google services. Is it worth the risk of having others read your Gmail
messages and chat with your friends (and do other things with your
Google account), but in turn not having to frequently enter your
Google password? That's something everybody should ask himself when
storing passwords, even more so with mobile devices. (I for one think
it's worth it, otherwise I'd not use my G1.)

The only way to provide real security (or shall I say better
security) would be in hardware, i.e. having some sort of TC chip that
would provide encryption/decryption to properly signed code only. And
even though there are bad uses of TC, I surely think techniques like
this should be used to provide better security to users.

Christoph


On Sat, Feb 7, 2009 at 7:18 PM, JP joachim.pfeif...@gmail.com wrote:



 On Feb 7, 9:43 am, Christoph Studer chstu...@gmail.com wrote:
 (Note that rooted devices do not provide this security, because any
 application can possibly become root and do whatever it wants on the
 phone, AFAIK. But that's the user's risk when rooting a device.)

 Suppose user loses phone. Finder then roots it and uses adb to pull
 the database and preferences files - Damage done. I consider it good
 practice to assume *anything* that's stored on the device is up for
 grabs.

 Even with encryption things may be dicey. Finder may have success
 retrieving the original password through a reverse lookup. Just by
 what Google does (crawling the web), they've indexed a sizeable number
 of MD5 passwords for a reverse lookup.

 


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[android-developers] Re: SharedPreferences - is it secure?


If you're interested in Google auth tokens, you might want to take a
look at this:
http://www.cyrket.com/asset/-2921053538409761500

I have not tried this out myself and do not know whether they store a
password or just cache the token and ask the user for the password
each time it expired.

Christoph


On Sat, Feb 7, 2009 at 7:42 PM, Teo teomina...@gmail.com wrote:
 An auth token would be great, coincidentally it's a Google service i need a
 password for.
 @JP: Wouldn't a finder of a lost phone have access to the user's Google
 account in the first place? From what i know, the signing in is done
 automatically after setup.

 On Sat, Feb 7, 2009 at 8:18 PM, JP joachim.pfeif...@gmail.com wrote:



 On Feb 7, 9:43 am, Christoph Studer chstu...@gmail.com wrote:
  (Note that rooted devices do not provide this security, because any
  application can possibly become root and do whatever it wants on the
  phone, AFAIK. But that's the user's risk when rooting a device.)

 Suppose user loses phone. Finder then roots it and uses adb to pull
 the database and preferences files - Damage done. I consider it good
 practice to assume *anything* that's stored on the device is up for
 grabs.

 Even with encryption things may be dicey. Finder may have success
 retrieving the original password through a reverse lookup. Just by
 what Google does (crawling the web), they've indexed a sizeable number
 of MD5 passwords for a reverse lookup.





 --
 Teo (a.k.a. Teominator a.k.a. Teodor Filimon)
 site www.teodorfilimon.com | blog www.teodorfilimon.blogspot.com
 GMT +2

 


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[android-developers] Re: Central service scheduler

2009-02-07 Thread Greg White

On Sat, Feb 7, 2009 at 1:19 PM, Christoph Studer chstu...@gmail.com wrote:


 Would it make sense to create a central scheduler for services that
 need to run periodically?

 There are a lot of application that want to run at periodic intervals,
 require network access and need to keep the device awake during their
 work. Instead of each app having to use an AlarmManager, a WakeLock
 and its own network availability checking / auto-retry, wouldn't it
 make sense to provide an API that would do that work?


I think this is a great idea and something that could be of great value, but
all I want is something much simpler.  I think that a flag to
AlarmManager.setRepeating  specifying that the alarm can be adjusted in
order to synchronize multiple background tasks would be entirely
sufficient.  Alternatively, a note that background tasks should adjust their
alarms to fire on the minute (or on five minute boundaries) would serve a
similar purpose.

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[android-developers] Re: Central service scheduler


That's a good suggestion, and might actually work for a lot of cases.

It just came to my mind that scheduling them at the exact same time
might actually cause performance and memory problems. Maybe one
would've to start them a bit more sequentially.


On Sat, Feb 7, 2009 at 7:56 PM, Greg White debauchedsl...@gmail.com wrote:


 On Sat, Feb 7, 2009 at 1:19 PM, Christoph Studer chstu...@gmail.com wrote:

 Would it make sense to create a central scheduler for services that
 need to run periodically?

 There are a lot of application that want to run at periodic intervals,
 require network access and need to keep the device awake during their
 work. Instead of each app having to use an AlarmManager, a WakeLock
 and its own network availability checking / auto-retry, wouldn't it
 make sense to provide an API that would do that work?

 I think this is a great idea and something that could be of great value, but
 all I want is something much simpler.  I think that a flag to
 AlarmManager.setRepeating  specifying that the alarm can be adjusted in
 order to synchronize multiple background tasks would be entirely
 sufficient.  Alternatively, a note that background tasks should adjust their
 alarms to fire on the minute (or on five minute boundaries) would serve a
 similar purpose.

 


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[android-developers] Re: Help debugging frequent garbage collection


Hi,

It's pretty easy. Launch the tool called DDMS (the standalone one, not
the one that comes with the Eclipse plugin.) Inside the tool, go to
the Allocations Tracker tab. Click Start Tracking, use your app a
little, then click Get Allocations. You will get a list of all
allocations with, for each one of them, the stack trace to the
allocation.

On Sat, Feb 7, 2009 at 9:48 AM, snctln catlin.s...@gmail.com wrote:

 I am having an issue with my latest game (available in the market as
 BreakTheBlocks Lite)

 This is a simple arcade style game, It started with a thread
 controlling the game loop but now I just have a runnable that performs
 the game loop functions and then posts back to itself.

 In its original release there was a noticeable stutter in the game
 every other second or so.  After a great deal of time debugging I
 finally realized that every time the stutter happened LogCat showed
 that garbage collection was taking place.

 I went through my code and got rid of creating as many temporary
 objects as possible.  After that the stutter went from happening every
 1.5 seconds to happening every 13-16 seconds.  This is much better,
 but I can't seem to reduce the time any further.

 According to LogCat the garbage collector is still running on my game
 thread every 15 seconds I see the message GC freed 19833 objects /
 878848 bytes in 131ms... and since my game runs at about 30 frames a
 second a 131 millisecond stutter causes about 4 frames to be dropped
 which is an annoyance for me and the users of my game.

 So my question is What can I do to further debug this problem?  I have
 always known garbage collection existed but I have never bothered to
 care about it until now because it is finally affecting the
 performance of my app (and I am a C++ programmer by day so I usually
 forget about the GC)

 Is there any way to see what the garbage collector is collecting?  Is
 there any way that I can tweak the behavior of the GC for my app?

 Sorry for the long winded question and thank you in advance for any
 responses
 




-- 
Romain Guy
Android framework engineer
romain...@android.com

Note: please don't send private questions to me, as I don't have time
to provide private support.  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: SlidingDrawer not working with RC33


No, SlidingDrawer is a private widget. It is not supported.

On Sat, Feb 7, 2009 at 7:18 AM, Jean-Baptiste Queru j...@android.com wrote:

 Can you please report this issue in http://b.android.com/ ? (a plain
 copy-paste will do).

 Thanks,
 JBQ

 On Sat, Feb 7, 2009 at 6:54 AM, Stefan skyntc...@gmail.com wrote:

 It appears that  android.internal.widget.SlidingDrawer widget had
 changed between RC30 and RC33.

 On RC33 it fails to inflate the layout XML complaining  that: The
 handle attribute is required and must refer to a valid child

 This is the XML I am trying to inflate:

 com.android.internal.widget.SlidingDrawer
android:id=@+id/drawer android:layout_width=fill_parent
android:layout_height=wrap_content
android:topOffset=5px
android:bottomOffset=7px
android:handle=@+id/playlistHeader
android:content=@+id/playList

ImageView android:id=@id/playlistHeader
android:focusable=true
android:clickable=true
android:scaleType=center
android:src=@drawable/ic_mp_current_playlist_btn
android:layout_height=56dip
android:layout_width=fill_parent /

ListView
android:id=@+id/playList
android:layout_width=fill_parent
android:layout_height=fill_parent
android:background=@color/grid_dark_background/

 /com.android.internal.widget.SlidingDrawer

 The XML above has both the content and the handle attribute and
 worked fine in RC30?
 Does anyone know what has changed and how to fix it?

 Stefan
 




 --
 Jean-Baptiste M. JBQ Queru
 Android Engineer, Google.

 




-- 
Romain Guy
Android framework engineer
romain...@android.com

Note: please don't send private questions to me, as I don't have time
to provide private support.  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: RC33 for Dev Phone

2009-02-07 Thread Brad Fuller


On Fri, Feb 6, 2009 at 6:16 PM, Disconnect dc.disconn...@gmail.com wrote:
 Install jf's 1.41-rc33. http://andblogs.net/tag/jf

 It is signed with test keys -and- its a full install instead of a patch, so
 no perquisites.

Has anyone tried this on their devphone? I only have one devphone so
I'm reluctant to try.

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[android-developers] Re: Central service scheduler


There is something like that in cupcake. I forgot the exact API name, sorry.

JBQ

On Sat, Feb 7, 2009 at 10:19 AM, Christoph Studer chstu...@gmail.com wrote:

 Would it make sense to create a central scheduler for services that
 need to run periodically?

 There are a lot of application that want to run at periodic intervals,
 require network access and need to keep the device awake during their
 work. Instead of each app having to use an AlarmManager, a WakeLock
 and its own network availability checking / auto-retry, wouldn't it
 make sense to provide an API that would do that work?

 Also, if you have a lot of apps on your device with background checks,
 they run on different schedules and wake the device up more frequently
 than if they'd run on a synchronized schedule.

 Ideally, I'd imagine this service scheduler to provide the following:
 * Application can register and unregister service intents for a
 certain schedule.
 * Provide schedules an app can register for. These could be constant
 such as a frequent schedule (every 10mins) and a less frequent one
 (every 60mins), or maybe user configurable.
 * Apps can specify a network filter, i.e. only run when connected via
 wifi, 3g, 2g...
 * Services would signal to the scheduler when they're done, possibly
 with an error code such that the scheduler could retry automatically
 out of the ordinary schedule.
 * Provide a UI for users to change schedules, unregister services, etc.
 * Define and require permissions for schedules such that users could
 see how much battery drainage an app is causing.

 I really think this would be quite useful for developers and users
 likewise. This central service scheduler could be part of the
 platform/SDK or it could be a user APK, much like some of the OI
 components already available.

 Any thoughts?

 Christoph

 P.S.: Not sure whether android-developers is the right mailinglist,
 but it does not quite fit into any of the others, either.

 




-- 
Jean-Baptiste M. JBQ Queru
Android Engineer, Google.

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[android-developers] Re: Using bindView to Customize ListView

2009-02-07 Thread Mark Murphy


Nmix wrote:
 In all the examples I've found to manipulate each view in a ListView,
 the method always seems to be getView(). But these were never Adapters
 backed by a cursor. I decided to try bindView() within a
 SimpleCursorAdapter, and so far it works very nicely, especially with
 the cursor all set up for my use.
 
 My question is, is this usage good practice, and could I run into a
 problem in future? My question may be dumb but I just couldn't find a
 good example code snippet that uses a cursor.

Cursors are a bit of a pain to set up, if you're trying to show a
complete example -- you need a database, etc.

But using newView()/bindView() should be just fine.

-- 
Mark Murphy (a Commons Guy)
http://commonsware.com
_The Busy Coder's Guide to Android Development_ Version 2.0 Published!

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[android-developers] Re: multiple tables in sqlite

2009-02-07 Thread Mark Murphy


intbt wrote:
 Hopefully some one will nmotice my 'obvious' mistake.
 
 I have created 2 tables in the database (below). When I access table
 c, no problem. But when I attempt to access table s I get an error
 message that column name x (all names give the same error) does not
 exist. How can 1 table get created but not the other?

Have you looked at the actual database and seen what is in it? Perhaps
use sqlite3's .dump command to dump the schema and contents out, and
maybe that will help determine the source of the discrepancy.

-- 
Mark Murphy (a Commons Guy)
http://commonsware.com
_The Busy Coder's Guide to Android Development_ Version 2.0 Published!

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[android-developers] Re: SlidingDrawer not working with RC33


Oh, ah, I hadn't seen that it was android.INTERNAL.SlidingDrawer
(emphasis mine).

There's no guarantee of compatibility of private APIs between versions.

JBQ

On Sat, Feb 7, 2009 at 11:28 AM, Romain Guy romain...@google.com wrote:

 No, SlidingDrawer is a private widget. It is not supported.

 On Sat, Feb 7, 2009 at 7:18 AM, Jean-Baptiste Queru j...@android.com wrote:

 Can you please report this issue in http://b.android.com/ ? (a plain
 copy-paste will do).

 Thanks,
 JBQ

 On Sat, Feb 7, 2009 at 6:54 AM, Stefan skyntc...@gmail.com wrote:

 It appears that  android.internal.widget.SlidingDrawer widget had
 changed between RC30 and RC33.

 On RC33 it fails to inflate the layout XML complaining  that: The
 handle attribute is required and must refer to a valid child

 This is the XML I am trying to inflate:

 com.android.internal.widget.SlidingDrawer
android:id=@+id/drawer android:layout_width=fill_parent
android:layout_height=wrap_content
android:topOffset=5px
android:bottomOffset=7px
android:handle=@+id/playlistHeader
android:content=@+id/playList

ImageView android:id=@id/playlistHeader
android:focusable=true
android:clickable=true
android:scaleType=center
android:src=@drawable/ic_mp_current_playlist_btn
android:layout_height=56dip
android:layout_width=fill_parent /

ListView
android:id=@+id/playList
android:layout_width=fill_parent
android:layout_height=fill_parent
android:background=@color/grid_dark_background/

 /com.android.internal.widget.SlidingDrawer

 The XML above has both the content and the handle attribute and
 worked fine in RC30?
 Does anyone know what has changed and how to fix it?

 Stefan
 




 --
 Jean-Baptiste M. JBQ Queru
 Android Engineer, Google.

 




 --
 Romain Guy
 Android framework engineer
 romain...@android.com

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

 




-- 
Jean-Baptiste M. JBQ Queru
Android Engineer, Google.

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[android-developers] Re: WebView responding to touch events

2009-02-07 Thread Mark Nuetzmann


Sergey,
I ended up doing basically what you posted but only for the
ACTION_DOWN as that seemed to handle it.


Fred,
I tried adding an OnClickListener but never got any callbacks.  I
assume that the WebView is designed to handle this internally and
expects you to use the WebViewClient.shouldOverrideUrlLoading() to
respond to the clicks.  As to whether it happens in the emulator I am
not sure.  I learned a long time ago with WM not to trust emulators so
I only debug on-device...


Thanks for the comments guys!
Mark

On Feb 7, 11:28 am, Sergey Ten sergeyte...@gmail.com wrote:
 Mark,

 I think I had this problem myself and could solve it by using the following
 code:

        webView.setOnTouchListener(new View.OnTouchListener() {
            public boolean onTouch(View v, MotionEvent event) {
                switch (event.getAction()) {
                    case MotionEvent.ACTION_DOWN:
                    case MotionEvent.ACTION_UP:
                        if (!v.hasFocus()) {
                            v.requestFocus();
                        }
                        break;
                }
                return false;
            }
        });

 Hope this would help,
 Sergey

 On Sat, Feb 7, 2009 at 12:07 AM, Mariano Kamp mariano.k...@gmail.comwrote:

  Mark, maybe you should post some code?

  On Thu, Feb 5, 2009 at 4:36 PM, Mark Nuetzmann 
  mark.nuetzm...@gmail.comwrote:

  I have an Activity that has a WebView that contains some simple html
  that allows me to display a Terms  Conditions link that if touched or
  clicked calls another activity.  My problem is unless the link in the
  WebView has focus (ie, the text is wrapped with that little orange
  focus) I cannot touch the link and have it work.  If any other view on
  the activity has focus, touching the WebView with the link does
  nothing.  The other Views that had focus loose focus, but the WebView
  does not receive focus.  I have tried calling setFocusable(true) and
  setFocusableInTouchMode(true) but that does not do any good...

  I would really like to know what you have to do to get a WebView to
  respond to touch events without using the trackball to scroll to the
  view before touching it.

  thank you,
  Mark
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[android-developers] Loading Partial Subset of a Bitmap

2009-02-07 Thread Brendan


So I have a huge image (2000 x 2000) that is way too big for the
Android VM to load in (there's a 16 MB limit per application). That's
fine with me, as I only want to load in one screen size (320 x 480) at
a time, which Android should more than be able to handle. The problem
is, how do you load in just one piece of a bitmap? I've tried the
following:

Bitmap bmp1 = BitmapFactory.decodeResource(res, R.drawable.image);
Bitmap bmp2 = Bitmap.createBitmap(bmp1, 0, 0, 320, 480);

But of course the loading is really done in that first line, so the VM
crashes.

I also tried using BitmapFactory.Options and specifying an outWidth
and outHeight, but those just scale the image rather than translate/
crop it. Something along the lines of those options would be really
nice though.

Any ideas?
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[android-developers] WPA2 Enterprise Support

2009-02-07 Thread Holkre


Hello Guys,
is there a way to alter the wpa_supplicant on an non rooted G1 with
the actual firmware RC33 which is installed on the german devices, I
will need to have access to WPA2 Enterprise Networks with my G1 ,
and i actually could not get root access with the current release of
Android on the Phone.
So my question is , is it possible to write a Programm which can build
in the possibility to connect to WPA2 Enterpise networks on a G1
without root access, and when there is one how could this be done?

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[android-developers] Please Help! Service seems to sleep when phone is inactive

2009-02-07 Thread Brian


Hi everybody,

I'm new to android, but I am picking up speed quickly. I've spent the
last several years writing Windows services. So I am not a complete
newbie in this area.

I've written a test service to understand how android implements a
service. I believe I understand the difference between
Context.startService and Context.bindService. If I am not mistaken,
Context.startService will tell android to keep this service running,
even after the Activity that started it has ended.

While testing the service, I have come across something interesting.

My problem is that the service appears to sleep or pause for a few
hours, run a short time, and then sleep for a few more hours, then run
a short time, etc when the phone has become inactive. In other words,
when I am doing things on the phone the service is doing what is is
supposed to. But after I have finished doing things on the phone and
the screen goes blank the service appears to sleep or pause. I don't
know if I have implemented the service wrong or if this is how Android
services work.

The test service I have written simply sets a postDelayed handler to
increment++ a variable in the Runnable every minute, and then write
the value of that variable and a timestamp to a file (log.txt) on the
sd card. This how I know that the service appears to sleep. Because
there are gaps in the timestamp that correspond to when the phone was
inactive. If the service were truly active the whole time, there
should be a line item in the log.txt file every minute.

From the log.txt file below you can see that over an eleven hour
period there are only 36 line items with time stamps ranging from
10:27 PM through 9:23 AM. If the service was running and active the
whole time there should be over 600 lines in the text file. The phone
was on AC power the whole time so Android should not have tried to
stop services due to power issues. The phone was not used or touched
from about midnight to 9 the next morning, so there should not have
been a low resource clean up.

I have spent several days looking for an answer and everything I can
find seems to validate that when a service is started and not bound,
it will stay running (http://code.google.com/android/reference/android/
app/Service.html). However, it appears it does not. Unless I have
completely missed the ball on this.


I have included the service.java and activity.java as well as the log
file. Any help/ideas would be greatly appreciated. I am truly
stumped...




Here is a sample log.txt

02/05/2009 10:27:02 PM: Service Created.
02/05/2009 10:27:02 PM: Service Started.
02/05/2009 10:27:07 PM: iCount = 1
02/05/2009 10:28:07 PM: iCount = 2
02/05/2009 10:29:07 PM: iCount = 3
02/05/2009 11:20:49 PM: iCount = 4
02/05/2009 11:31:11 PM: iCount = 5
02/05/2009 11:32:11 PM: iCount = 6
02/05/2009 11:33:16 PM: iCount = 7
02/05/2009 11:34:16 PM: iCount = 8
02/05/2009 11:35:16 PM: iCount = 9
02/05/2009 11:36:16 PM: iCount = 10
02/05/2009 11:37:16 PM: iCount = 11
02/05/2009 11:38:16 PM: iCount = 12
02/05/2009 11:39:16 PM: iCount = 13
02/05/2009 11:40:16 PM: iCount = 14
02/05/2009 11:41:16 PM: iCount = 15
02/05/2009 11:42:16 PM: iCount = 16
02/05/2009 11:43:17 PM: iCount = 17
02/05/2009 11:44:17 PM: iCount = 18
02/05/2009 11:45:17 PM: iCount = 19
02/05/2009 11:46:17 PM: iCount = 20
02/05/2009 11:47:17 PM: iCount = 21
02/05/2009 11:48:17 PM: iCount = 22
02/05/2009 11:55:58 PM: iCount = 23
02/06/2009 01:06:56 AM: iCount = 24
02/06/2009 03:07:41 AM: iCount = 25
02/06/2009 04:38:32 AM: iCount = 26
02/06/2009 06:54:49 AM: iCount = 27
02/06/2009 08:03:14 AM: iCount = 28
02/06/2009 08:57:50 AM: iCount = 29
02/06/2009 08:58:50 AM: iCount = 30
02/06/2009 08:59:50 AM: iCount = 31
02/06/2009 09:05:24 AM: iCount = 32
02/06/2009 09:06:24 AM: iCount = 33
02/06/2009 09:07:24 AM: iCount = 34
02/06/2009 09:08:24 AM: iCount = 35
02/06/2009 09:23:09 AM: iCount = 36
02/06/2009 09:23:17 AM: Service Destroyed.







Here is the service java file:

Java:

package bSoft.bService;


import java.io.FileWriter;
import java.text.SimpleDateFormat;
import java.util.Calendar;

import android.app.Service;
import android.content.Intent;
import android.os.Binder;
import android.os.Handler;
import android.os.IBinder;

public class bService extends Service
{
 private long _iCount = 0;


 private Handler objHandler = new Handler();



 @Override
 public void onCreate()
 {
  super.onCreate();

 SaveStatusData(Service Created.\n\n);
 }

@Override
public void onDestroy()
{
 super.onDestroy();

 objHandler.removeCallbacks(doMonitoringTasks);

 SaveStatusData(Service Destroyed.\n\n);
}


 @Override
 public void onStart(Intent intent, int startId)
 {
 SaveStatusData(Service Started.\n\n);

  objHandler.postDelayed(doMonitoringTasks, 5000);
 }

 @Override
 public IBinder onBind(Intent intent)
 {
  return binder;
 }


 private final IBinder binder = new

[android-developers] Local communication with a service from another APK that runs in the same process

2009-02-07 Thread Uri.Kanonov


Hello,

In my application I have a need to separate components into two
different APKs.
One component (the first APK) needs to communicate with a service
provided by the other component (the second APK).

I was hoping I could use the shared-user-id mechanism, have both
applications run in the same process and by so avoid AIDL using the
same scheme as presented in the LocalService example in the ApiDemos.
The idea was to declare the following two classesin APK #1:
LocalService interface: would represent the service
LocalServiceBinder: would have a getService() method that would
return a LocalService object
The two classes would be exported into a JAR and added to APK #2's
build path.

The actual service in the APK #2 would implement LocalService and
it's onBind() method would return an instance of
LocalServiceBinder whereas getService() would be overriden to
return a reference to the service itself.

I tried implementing it but failed due to a class-cast exception being
thrown in onServiceConnected when attempting to cast the Binder
returned by the Service to LocalServiceBinder. I gave up on the idea
and implemented the communication using AIDL.

As a result my application took quite a performance hit, primarily due
to the serialization and deserialization of the data being sent to
Service.
So now I'm again trying to implement the local-communication scheme.
However, when I tried to reconstruct the aforementioned implementation
the Binder received in onServiceConnected is null (even though I'm
definitely not returning null in the service's onBind method).

Bottom line is I would like to know if whether I'm attempting to do is
even possible using the Android framework, and if so how to do it. If
not, any suggestions on how to minimize the performance hit.

Thanks in advance!

Best regards,
Uri Kanonov

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[android-developers] XML parsing problem (stops at non-utf characters)

2009-02-07 Thread John Doe


I am having difficulty while parsing some Turkish sites.Here is the
part of the code. The problem is when the title contains some non-UTF
characters like ç,ü,ı,ö,ğ it stops parsing and doesnt read the rest.
For example if the title is Ebru Gündeş askere gitti it only reads
until ş which is Ebru G. Or when reading Serdar Ortaç sünnet
oldu it only read Serdar Or
How can I fix the problem? Any suggestions???

NodeList nl=docEle.getElementsByTagName(item);
if(nl!=null  nl.getLength()0){
for(int i=0;inl.getLength();i++){
Element entry = 
(Element)nl.item(i);
Element _title = 
(Element)entry.getElementsByTagName
(title).item(0);
Element _link = 
(Element)entry.getElementsByTagName(link).item
(0);
Element _date = 
(Element)entry.getElementsByTagName
(pubDate).item(0);

String title = 
_title.getFirstChild().getNodeValue();
String link = 
_link.getFirstChild().getNodeValue();

haber yeniHaber = new 
haber(link,title);
haberEkle(yeniHaber);

}
}

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[android-developers] android.app.Service question

2009-02-07 Thread clarkbriancarl


The android.content.Context api exposes two methods for starting a
service. startService and bindService. The api docs state that when a
service is started with Context.startService, that requires the
service to remain running until stopService(Intent) is called,
regardless of whether any clients are connected to it.

I have made a test service that uses a postDelayed event. The Runnable
for the postDelayed increments++ a counter and writes that counter and
a timestamp to a text file every minute.

However, when the phone becomes inactive (screen times out) the
service seems to pause for a few hours, run a short while, then pause
for a few hours, then run a short while, and on and on...

Here is the log file. The service ran intermittently for 11 hours. I
can post the Service.java and Activity.java if requested. I am leaving
it out for berevity.

02/05/2009 10:27:07 PM: iCount = 1
02/05/2009 10:28:07 PM: iCount = 2
02/05/2009 10:29:07 PM: iCount = 3
02/05/2009 11:20:49 PM: iCount = 4
02/05/2009 11:31:11 PM: iCount = 5
02/05/2009 11:32:11 PM: iCount = 6
02/05/2009 11:33:16 PM: iCount = 7
02/05/2009 11:34:16 PM: iCount = 8
02/05/2009 11:35:16 PM: iCount = 9
02/05/2009 11:36:16 PM: iCount = 10
02/05/2009 11:37:16 PM: iCount = 11
02/05/2009 11:38:16 PM: iCount = 12
02/05/2009 11:39:16 PM: iCount = 13
02/05/2009 11:40:16 PM: iCount = 14
02/05/2009 11:41:16 PM: iCount = 15
02/05/2009 11:42:16 PM: iCount = 16
02/05/2009 11:43:17 PM: iCount = 17
02/05/2009 11:44:17 PM: iCount = 18
02/05/2009 11:45:17 PM: iCount = 19
02/05/2009 11:46:17 PM: iCount = 20
02/05/2009 11:47:17 PM: iCount = 21
02/05/2009 11:48:17 PM: iCount = 22
02/05/2009 11:55:58 PM: iCount = 23
02/06/2009 01:06:56 AM: iCount = 24
02/06/2009 03:07:41 AM: iCount = 25
02/06/2009 04:38:32 AM: iCount = 26
02/06/2009 06:54:49 AM: iCount = 27
02/06/2009 08:03:14 AM: iCount = 28
02/06/2009 08:57:50 AM: iCount = 29
02/06/2009 08:58:50 AM: iCount = 30
02/06/2009 08:59:50 AM: iCount = 31
02/06/2009 09:05:24 AM: iCount = 32
02/06/2009 09:06:24 AM: iCount = 33
02/06/2009 09:07:24 AM: iCount = 34
02/06/2009 09:08:24 AM: iCount = 35
02/06/2009 09:23:09 AM: iCount = 36
02/06/2009 09:23:17 AM: Service Destroyed.

My questions are:

1) Is this what is supposed to happen for an Android service?
2) If so, What should one do to get an application to run a specific
task at user-specified intervals in the background. Like retrieving
data from a web service...

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[android-developers] access to internal telephony

2009-02-07 Thread Gero Mudersbach

Hello,

are there plans to make com.android.internal.telephony available public? As 
far as I understand it is currently not possible to write e.g. an answering 
machine within the current framework (standard sdk), because direct access 
to acceptCall and hangup methods is missing.

Best
G. Mudersbach


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[android-developers] Problem with sound on Notifications on Emulator

2009-02-07 Thread pperotti


Hi Everyone,

The reason Im posting this question is because I cannot make a
notification to reproduce a sound or a vibration sequence.

For the case of the vibration I have permissions properly set and
logcat do not show log message indicating a problem.

For the case of sound, I have an mp3 saved in the res/raw folder and I
always got an error saying: error loading sound in logcat.

I add an snipplet with the code I´m using. Probably anyone can let me
know if I am making a newbie mistake.

Notification note=new Notification(R.drawable.red_ball, Status
message!, System.currentTimeMillis());

note.vibrate = new long[] {100,200,150};

Uri uri = Uri.parse(android.resource://com.pp/ +
R.raw.test_cbr);
note.sound = uri;

PendingIntent i=PendingIntent.getActivity(this, 0,
new Intent(this, NotifyMessage.class), 0);

note.setLatestEventInfo(this, Notification Title, This is the
notification message, i);

mgr.notify(NOTIFY_ME_ID, note);

Where com.pp is the package of my application.

I will be more than glad if someone can be me a hint or a working
snipplet about reproducing sound, vibration and lights. There is
actually very few documentation about how to make notifications work
properly.

Thanks in advance, Pablo

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[android-developers] Re: native C++ SIP stack on Android

2009-02-07 Thread bc


i port a sip stack,and use jni,it can work now,but,how can i let phone
use the stack,just like gsm?

On Jan 9, 1:08 am, David Turner di...@android.com wrote:
 first, you cannot have C++ code in the kernel.

 however, depending on how your stack is designed, you may be able to use it
 from Java through JNI

 given that you give absolutely no information about your stack's interface,
 it's really difficult to answer your question

 On Thu, Jan 8, 2009 at 5:57 PM, pinguin e...@vinacom.de wrote:

  Can i port SIP stack written in C++ to android and let it running as
  service in kernel ?
  and the GUI will communicate with SIP stack through JNI ?

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[android-developers] Re: Central service scheduler


Sweet! Thanks for the reply and looking forward to that API.

Christoph


On Sat, Feb 7, 2009 at 8:57 PM, Jean-Baptiste Queru j...@android.com wrote:

 There is something like that in cupcake. I forgot the exact API name, sorry.

 JBQ

 On Sat, Feb 7, 2009 at 10:19 AM, Christoph Studer chstu...@gmail.com wrote:

 Would it make sense to create a central scheduler for services that
 need to run periodically?

 There are a lot of application that want to run at periodic intervals,
 require network access and need to keep the device awake during their
 work. Instead of each app having to use an AlarmManager, a WakeLock
 and its own network availability checking / auto-retry, wouldn't it
 make sense to provide an API that would do that work?

 Also, if you have a lot of apps on your device with background checks,
 they run on different schedules and wake the device up more frequently
 than if they'd run on a synchronized schedule.

 Ideally, I'd imagine this service scheduler to provide the following:
 * Application can register and unregister service intents for a
 certain schedule.
 * Provide schedules an app can register for. These could be constant
 such as a frequent schedule (every 10mins) and a less frequent one
 (every 60mins), or maybe user configurable.
 * Apps can specify a network filter, i.e. only run when connected via
 wifi, 3g, 2g...
 * Services would signal to the scheduler when they're done, possibly
 with an error code such that the scheduler could retry automatically
 out of the ordinary schedule.
 * Provide a UI for users to change schedules, unregister services, etc.
 * Define and require permissions for schedules such that users could
 see how much battery drainage an app is causing.

 I really think this would be quite useful for developers and users
 likewise. This central service scheduler could be part of the
 platform/SDK or it could be a user APK, much like some of the OI
 components already available.

 Any thoughts?

 Christoph

 P.S.: Not sure whether android-developers is the right mailinglist,
 but it does not quite fit into any of the others, either.

 




 --
 Jean-Baptiste M. JBQ Queru
 Android Engineer, Google.

 


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[android-developers] Re: Reusing the +/- number spinner from TimePickerDialog?

2009-02-07 Thread $§Kalle§$


setCurrent to set values works:
---
  try {
  Method m = c.getMethod(setCurrent, int.class);
  m.invoke(o, mDauer%60);
  } catch (Exception e) {
Log.e(, e.getMessage());
  }
---

But how to get values? Any idea?

On 4 Feb., 18:43, solomonk denis.solone...@gmail.com wrote:
 No need to clone it if you really don't want to. You can use it in XML
 layot like

 com.android.internal.widget.NumberPicker
   android:id=@+id/picker
   android:layout_width=wrap_content
   android:layout_height=wrap_content/

 and then use reflection to set settings:

         Object o = findViewById(R.id.picker);
         Class c = o.getClass();
         try {
                 Method m = c.getMethod(setRange, int.class, int.class);
                 m.invoke(o, 0, 9);
         } catch (Exception e) {
                 Log.e(, e.getMessage());
         }

 It sucks but it works :)

 On 28 янв, 20:17, Mark Murphy mmur...@commonsware.com wrote:

  Will wrote:
   Setting a breakpoint when a DatePickerDialog is open on the emulator's
   screen shows a com.android.internal.widget.NumberPicker for month,
   year, and date (1numberpickereach for a total of three
   NumberPickers).  It looks like the same widget used for a timepicker;
   based on the name I'm sure it is.

   Importing android.internal.widget doesn't work.  It was worth a shot.

  The source to it is probably available on source.android.com. Clone your
  own until they open that one up in the SDK.

  --
  Mark Murphy (a Commons Guy)http://commonsware.com
  _The Busy Coder's Guide to Android Development_ Version 2.0 Available!

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[android-developers] Local communication with a service from another APK that runs in the same process

2009-02-07 Thread Uri.Kanonov


Hello,

In my application I have a need to separate components into two
different APKs.
One component (the first APK) needs to communicate with a service
provided by the other component (the second APK).

I was hoping I could use the shared-user-id mechanism, have both
applications run in the same process and by so avoid AIDL using the
same scheme as presented in the LocalService example in the ApiDemos.
The idea was to declare the following two classesin APK #1:
LocalService interface: would represent the service
LocalServiceBinder: would have a getService() method that would
return a LocalService object
The two classes would be exported into a JAR and added to APK #2's
build path.

The actual service in the APK #2 would implement LocalService and
it's onBind() method would return an instance of
LocalServiceBinder whereas getService() would be overriden to
return a reference to the service itself.

I tried implementing it but failed due to a class-cast exception being
thrown in onServiceConnected when attempting to cast the Binder
returned by the Service to LocalServiceBinder. I gave up on the idea
and implemented the communication using AIDL.

As a result my application took quite a performance hit, primarily due
to the serialization and deserialization of the data being sent to
Service.
So now I'm again trying to implement the local-communication scheme.
However, when I tried to reconstruct the aforementioned implementation
the Binder received in onServiceConnected is null (even though I'm
definitely not returning null in the service's onBind method).

Bottom line is I would like to know if whether I'm attempting to do is
even possible using the Android framework, and if so how to do it. If
not, any suggestions on how to minimize the performance hit.

Thanks in advance!

Best regards,
Uri Kanonov




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[android-developers] Re: Can we start a new activity or at least display a Toast in TimerTask.run()?

2009-02-07 Thread Brian


From my experience, timers are a finicky thing in android. I have
always had much better luck using a postDelayed to a handler.

public class MyClass extends Activity
{
private Handler objHandler = new Handler();

public void MyFunction()
{
//Or put this in your onCreate()
objHandler.postDelayed(doTasks, 6);
}


private Runnable doTasks = new Runnable()
{
public void run()
{
Context context = getApplicationContext();

Toast toast = Toast.makeText(context, strMsg, 100);

toast.show();

//And if you want it to fire again do this, otherwise 
delete this
line
objHandler.postDelayed(doTasks, 6);
}
};



//And you can destroy the call back with a user interaction if you
want
private void SomeUserFunction()
{
objHandler.removeCallbacks(doTasks);
}
}

On Feb 6, 8:38 pm, Xin Zhao uszhao...@gmail.com wrote:
 I tried to deploy a timer and switch the user to another dialog for setting
 if times out. But the dialog just cannot display. No error/exception
 reported. Vibration works fine though.

 What's wrong?

 Code:

   private void setAutoPhonecardSelector(int interval) {
     Date timeToRun = new Date(System.currentTimeMillis() + interval);
     Timer timer = new Timer();

     mAutoPhonecardSelector = new TimerTask() {
       @Override
       public void run() {
         mVibrator.vibrate(100);
         Toast.makeText(PhoneCardSelector.this, test,
 Toast.LENGTH_LONG).show();
       }
     };

     timer.schedule(mAutoPhonecardSelector, timeToRun);
   }

 Please help!

 Thanks in advance!

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[android-developers] Re: Android Developers in Atlanta, GA

2009-02-07 Thread Alton


Hi there,

I'm in Marietta and would be interested.

Alton

On Jan 30, 9:10 am, BarbieDahl sr9...@gmail.com wrote:
 Are there any developers inAtlanta, GA that would like to meet and
 discuss android app ideas as well as learn new and advanced android
 topics? I would like to network with some other developers in and
 aroundAtlanta, GA for help, mentoring and support.  Please reply if
 you are interested.

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[android-developers] Context.startService - The service does not stay running...

2009-02-07 Thread Brian


I rarely post to groups, because I can usually find the answer
somewhere on the web. So I apologize in advance if I have violated any
ettiquette. But this time I am truly stumped, and would appreciate any
help, insight, or suggestion from a more experienced Android
developer.

I've written a test service to understand how android implements a
service. I believe I understand the difference between
Context.startService and Context.bindService. If I am not mistaken,
Context.startService will tell android to keep the service running,
even after the Activity that started it has ended.

While testing the service, I have come across something unexpected.

The service appears to sleep or pause for a few hours, run a short
time, and then sleep for a few more hours, then run a short time, etc
when the phone has become inactive. In other words, when I am doing
things on the phone the service is doing what it is supposed to. But
after I have finished doing things on the phone and the screen goes
blank the service appears to sleep or pause. I don't know if I have
implemented the service wrong or if this is how Android services work.

The test service I have written simply sets a postDelayed handler to
increment++ a variable in the Runnable every minute, and then write
the value of that variable and a timestamp to a file (log.txt) on the
sd card. This how I know that the service appears to sleep. Because
there are gaps in the timstamp that correspond to when the phone was
inactive. If the service were truly active the whole time, there
should be a line item in the log.txt file every minute.

From the log.txt file below you can see that over an eleven hour
period there are only 36 line items with time stamps ranging from
10:27 PM through 9:23 AM. If the service was running and active the
whole time there should be over 600 lines in the text file. The phone
was on AC power the whole time so Android should not have tried to
stop services due to power issues. The phone was not used or touched
from about midnight to 9 the next morning, so there should not have
been a low resource clean up.

I have spent several days looking for an answer and everything I can
find seems to validate that when a service is started and not bound,
it will stay running (http://code.google.com/android/reference/android/
app/Service.html). However, it appears it does not. Unless I have
completely missed the ball on this.

I have included the service.java and activity.java as well as the log
file. Any help/ideas would be greatly appreciated. I am truly
stumped...




Here is the log.txt file

02/05/2009 10:27:02 PM: Service Created.
02/05/2009 10:27:02 PM: Service Started.
02/05/2009 10:27:07 PM: iCount = 1
02/05/2009 10:28:07 PM: iCount = 2
02/05/2009 10:29:07 PM: iCount = 3
02/05/2009 11:20:49 PM: iCount = 4
02/05/2009 11:31:11 PM: iCount = 5
02/05/2009 11:32:11 PM: iCount = 6
02/05/2009 11:33:16 PM: iCount = 7
02/05/2009 11:34:16 PM: iCount = 8
02/05/2009 11:35:16 PM: iCount = 9
02/05/2009 11:36:16 PM: iCount = 10
02/05/2009 11:37:16 PM: iCount = 11
02/05/2009 11:38:16 PM: iCount = 12
02/05/2009 11:39:16 PM: iCount = 13
02/05/2009 11:40:16 PM: iCount = 14
02/05/2009 11:41:16 PM: iCount = 15
02/05/2009 11:42:16 PM: iCount = 16
02/05/2009 11:43:17 PM: iCount = 17
02/05/2009 11:44:17 PM: iCount = 18
02/05/2009 11:45:17 PM: iCount = 19
02/05/2009 11:46:17 PM: iCount = 20
02/05/2009 11:47:17 PM: iCount = 21
02/05/2009 11:48:17 PM: iCount = 22
02/05/2009 11:55:58 PM: iCount = 23
02/06/2009 01:06:56 AM: iCount = 24
02/06/2009 03:07:41 AM: iCount = 25
02/06/2009 04:38:32 AM: iCount = 26
02/06/2009 06:54:49 AM: iCount = 27
02/06/2009 08:03:14 AM: iCount = 28
02/06/2009 08:57:50 AM: iCount = 29
02/06/2009 08:58:50 AM: iCount = 30
02/06/2009 08:59:50 AM: iCount = 31
02/06/2009 09:05:24 AM: iCount = 32
02/06/2009 09:06:24 AM: iCount = 33
02/06/2009 09:07:24 AM: iCount = 34
02/06/2009 09:08:24 AM: iCount = 35
02/06/2009 09:23:09 AM: iCount = 36
02/06/2009 09:23:17 AM: Service Destroyed.







Here is the service java file:

Java:

package bSoft.bService;


import java.io.FileWriter;
import java.text.SimpleDateFormat;
import java.util.Calendar;

import android.app.Service;
import android.content.Intent;
import android.os.Binder;
import android.os.Handler;
import android.os.IBinder;

public class bService extends Service
{
 private long _iCount = 0;


 private Handler objHandler = new Handler();



 @Override
 public void onCreate()
 {
  super.onCreate();

 SaveStatusData(Service Created.\n\n);
 }

@Override
public void onDestroy()
{
 super.onDestroy();

 objHandler.removeCallbacks(doMonitoringTasks);

 SaveStatusData(Service Destroyed.\n\n);
}


 @Override
 public void onStart(Intent intent, int startId)
 {
 SaveStatusData(Service Started.\n\n);

  objHandler.postDelayed(doMonitoringTasks, 5000);
 }

 @Override
 public IBinder onBind(Intent intent)
 {

[android-developers] sip ua in android

2009-02-07 Thread bc


i port a sip ua(osip) for android,it can work in android,but,how can i
warp this as a part of android phone,jast like gsm?

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[android-developers] Re: Making ListView stop on a finger press

2009-02-07 Thread Gw1921


Any one? It's just that the List View isn't receiving the touch events
for some reason (being consumed by the Button/TextView above),
although it still scrolls if I flick the finger. On a tap I need the
listview to receive the touch events so that the scroll is controlled.
Any ideas?

On Feb 7, 2:35 pm, Gw1921 guidedw...@googlemail.com wrote:
 Okay more on this - it seems my custom view for each row inside the
 list is grabbing the touch event and not passing it through to the
 list. I have set setItemsCanFocus on the ListView to True (as its
 required) and now I can't make the listview stop it's scrolling on a
 tap. It only stops when it stops scrolling eventually.

 Any idea how I can pass the touch back to its parent? I've tried
 returning false from a TouchListener as well but no luck

 On Feb 7, 11:56 am, Gw1921 guidedw...@googlemail.com wrote:

  How can I make the ListView immediately stop scrolling on a finger
  down event? It keeps scrolling if I give it a big swipe and doesn't
  stop immediately if my finger is pressed down again. Any idea? Thanks


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[android-developers] Re: Please Help! Service seems to sleep when phone is inactive

2009-02-07 Thread Greg White

On Sat, Feb 7, 2009 at 11:50 AM, Brian clarkbrianc...@gmail.com wrote:

 While testing the service, I have come across something interesting.

 My problem is that the service appears to sleep or pause for a few
 hours, run a short time, and then sleep for a few more hours, then run
 a short time, etc when the phone has become inactive.


I'm interested to hear what others say.  My experience mirrors yours.  I
believe the phone is going to sleep and freezing the service.

What I did was to use the AlarmManager to wake the service to do its work.
While it was working, I used a wake lock to keep the phone from sleeping.

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[android-developers] Re: SlidingDrawer not working with RC33


Even worse, SlidingDrawer will move to android.widget in Cupcake :))
(And thus become public API.)

On Sat, Feb 7, 2009 at 12:14 PM, Jean-Baptiste Queru j...@android.com wrote:

 Oh, ah, I hadn't seen that it was android.INTERNAL.SlidingDrawer
 (emphasis mine).

 There's no guarantee of compatibility of private APIs between versions.

 JBQ

 On Sat, Feb 7, 2009 at 11:28 AM, Romain Guy romain...@google.com wrote:

 No, SlidingDrawer is a private widget. It is not supported.

 On Sat, Feb 7, 2009 at 7:18 AM, Jean-Baptiste Queru j...@android.com wrote:

 Can you please report this issue in http://b.android.com/ ? (a plain
 copy-paste will do).

 Thanks,
 JBQ

 On Sat, Feb 7, 2009 at 6:54 AM, Stefan skyntc...@gmail.com wrote:

 It appears that  android.internal.widget.SlidingDrawer widget had
 changed between RC30 and RC33.

 On RC33 it fails to inflate the layout XML complaining  that: The
 handle attribute is required and must refer to a valid child

 This is the XML I am trying to inflate:

 com.android.internal.widget.SlidingDrawer
android:id=@+id/drawer android:layout_width=fill_parent
android:layout_height=wrap_content
android:topOffset=5px
android:bottomOffset=7px
android:handle=@+id/playlistHeader
android:content=@+id/playList

ImageView android:id=@id/playlistHeader
android:focusable=true
android:clickable=true
android:scaleType=center
android:src=@drawable/ic_mp_current_playlist_btn
android:layout_height=56dip
android:layout_width=fill_parent /

ListView
android:id=@+id/playList
android:layout_width=fill_parent
android:layout_height=fill_parent
android:background=@color/grid_dark_background/

 /com.android.internal.widget.SlidingDrawer

 The XML above has both the content and the handle attribute and
 worked fine in RC30?
 Does anyone know what has changed and how to fix it?

 Stefan
 




 --
 Jean-Baptiste M. JBQ Queru
 Android Engineer, Google.

 




 --
 Romain Guy
 Android framework engineer
 romain...@android.com

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

 




 --
 Jean-Baptiste M. JBQ Queru
 Android Engineer, Google.

 




-- 
Romain Guy
Android framework engineer
romain...@android.com

Note: please don't send private questions to me, as I don't have time
to provide private support.  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: SlidingDrawer not working with RC33

2009-02-07 Thread Stefan


After digging a bit around in the source code, it looks like the
namespace used for the attributes of the internal widgets has
changed in RC33 from xmlns:android=http://schemas.android.com/apk/res/
android to some other namespace
(probably something like http://schemas.android.com/apk/res/android.intenral
??) and that caused the SlidingDrawer to not
find its attributes.

Well... one should never rely on internal classes, but... the
SlidingDrawer is actually so useful...
I am glad it will make it as an officially supported class.


On Feb 7, 4:34 pm, Romain Guy romain...@google.com wrote:
 Even worse, SlidingDrawer will move to android.widget in Cupcake :))
 (And thus become public API.)



 On Sat, Feb 7, 2009 at 12:14 PM, Jean-Baptiste Queru j...@android.com wrote:

  Oh, ah, I hadn't seen that it was android.INTERNAL.SlidingDrawer
  (emphasis mine).

  There's no guarantee of compatibility of private APIs between versions.

  JBQ

  On Sat, Feb 7, 2009 at 11:28 AM, Romain Guy romain...@google.com wrote:

  No, SlidingDrawer is a private widget. It is not supported.

  On Sat, Feb 7, 2009 at 7:18 AM, Jean-Baptiste Queru j...@android.com 
  wrote:

  Can you please report this issue inhttp://b.android.com/? (a plain
  copy-paste will do).

  Thanks,
  JBQ

  On Sat, Feb 7, 2009 at 6:54 AM, Stefan skyntc...@gmail.com wrote:

  It appears that  android.internal.widget.SlidingDrawer widget had
  changed between RC30 and RC33.

  On RC33 it fails to inflate the layout XML complaining  that: The
  handle attribute is required and must refer to a valid child

  This is the XML I am trying to inflate:

  com.android.internal.widget.SlidingDrawer
                 android:id=@+id/drawer 
  android:layout_width=fill_parent
                 android:layout_height=wrap_content
                 android:topOffset=5px
         android:bottomOffset=7px
                 android:handle=@+id/playlistHeader
                 android:content=@+id/playList

                 ImageView android:id=@id/playlistHeader
                         android:focusable=true
                         android:clickable=true
                         android:scaleType=center
                         android:src=@drawable/ic_mp_current_playlist_btn
                         android:layout_height=56dip
                         android:layout_width=fill_parent /

                 ListView
                         android:id=@+id/playList
                         android:layout_width=fill_parent
                         android:layout_height=fill_parent
                         android:background=@color/grid_dark_background/

  /com.android.internal.widget.SlidingDrawer

  The XML above has both the content and the handle attribute and
  worked fine in RC30?
  Does anyone know what has changed and how to fix it?

  Stefan

  --
  Jean-Baptiste M. JBQ Queru
  Android Engineer, Google.

  --
  Romain Guy
  Android framework engineer
  romain...@android.com

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

  --
  Jean-Baptiste M. JBQ Queru
  Android Engineer, Google.

 --
 Romain Guy
 Android framework engineer
 romain...@android.com

 Note: please don't send private questions to me, as I don't have time
 to provide private support.  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: Help debugging frequent garbage collection

2009-02-07 Thread snctln


Thank you very much, that was exactly what I was looking for... I had
always just used the eclipse plugin and never thought to try the stand
alone tool.  DDMS was very helpful and I was pleasantly surprised to
see that it even gave me the line number of my code where the
allocations were happening.

It turns out that I was building the top message string (Level # Lives
# Score #) every time the onDraw was called and that was doing a lot
of allocating char buffers.  Now I just build the string whenever the
data has changed, so once ever few seconds rather than 30+ times a
second.  I have not had a single garbage collection related stutter
since then probably because I am calling System.gc() whenever the
state of the game has changed (lost a life, end of game, advancing
level)

Thanks again, I am sure the users of my game will greatly appreciate
this bug fix

---Sean Catlin
www.snctln.com

On Feb 7, 1:27 pm, Romain Guy romain...@google.com wrote:
 Hi,

 It's pretty easy. Launch the tool called DDMS (the standalone one, not
 the one that comes with the Eclipse plugin.) Inside the tool, go to
 the Allocations Tracker tab. Click Start Tracking, use your app a
 little, then click Get Allocations. You will get a list of all
 allocations with, for each one of them, the stack trace to the
 allocation.



 On Sat, Feb 7, 2009 at 9:48 AM, snctln catlin.s...@gmail.com wrote:

  I am having an issue with my latest game (available in the market as
  BreakTheBlocks Lite)

  This is a simple arcade style game, It started with a thread
  controlling the game loop but now I just have a runnable that performs
  the game loop functions and then posts back to itself.

  In its original release there was a noticeable stutter in the game
  every other second or so.  After a great deal of time debugging I
  finally realized that every time the stutter happened LogCat showed
  that garbage collection was taking place.

  I went through my code and got rid of creating as many temporary
  objects as possible.  After that the stutter went from happening every
  1.5 seconds to happening every 13-16 seconds.  This is much better,
  but I can't seem to reduce the time any further.

  According to LogCat the garbage collector is still running on my game
  thread every 15 seconds I see the message GC freed 19833 objects /
  878848 bytes in 131ms... and since my game runs at about 30 frames a
  second a 131 millisecond stutter causes about 4 frames to be dropped
  which is an annoyance for me and the users of my game.

  So my question is What can I do to further debug this problem?  I have
  always known garbage collection existed but I have never bothered to
  care about it until now because it is finally affecting the
  performance of my app (and I am a C++ programmer by day so I usually
  forget about the GC)

  Is there any way to see what the garbage collector is collecting?  Is
  there any way that I can tweak the behavior of the GC for my app?

  Sorry for the long winded question and thank you in advance for any
  responses

 --
 Romain Guy
 Android framework engineer
 romain...@android.com

 Note: please don't send private questions to me, as I don't have time
 to provide private support.  All such questions should be posted on
 public forums, where I and others can see and answer them
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[android-developers] App source from Git not compatible with current SDK?

2009-02-07 Thread Rich


I loaded up the Alarm Clock app from the current git (http://
android.git.kernel.org/?p=platform/packages/apps/
AlarmClock.git;a=snapshot;h=c8208f9f6ff76479da3b1eb0cedbd5500b8be1f4;sf=tgz)
into eclipse, and there are a lot of errors, unfound imports and
things like that.

Are the 'cupcake' versions of the /apps/ incompatible with the current
SDK? Should I bother trying to fix them?

Thanks!
Rich
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[android-developers] Re: Please Help! Service seems to sleep when phone is inactive

2009-02-07 Thread clarkbriancarl


Thanks for the reply. I've been reading and tweaking for over a week
trying to figure this out. Thats a good idea to use the Alarm Manager.
I think I will give that a try. I would still like to hear from a more
experienced devloper or a google engineer if this is the way an
Android service is supposed to behave.

On Feb 7, 3:29 pm, Greg White debauchedsl...@gmail.com wrote:
 On Sat, Feb 7, 2009 at 11:50 AM, Brian clarkbrianc...@gmail.com wrote:
  While testing the service, I have come across something interesting.

  My problem is that the service appears to sleep or pause for a few
  hours, run a short time, and then sleep for a few more hours, then run
  a short time, etc when the phone has become inactive.

 I'm interested to hear what others say.  My experience mirrors yours.  I
 believe the phone is going to sleep and freezing the service.

 What I did was to use the AlarmManager to wake the service to do its work.
 While it was working, I used a wake lock to keep the phone from sleeping.
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[android-developers] Re: Local communication with a service from another APK that runs in the same process

2009-02-07 Thread Uri.Kanonov


In case it would help, here is the relevant code:

The two classes (LocalServiceBinder and LocalService) used to bind to
the service and obtain a reference to it:

-
package localservice;

import android.os.Binder;

public abstract class LocalServiceBinder extends Binder{
public abstract LocalService getLocalService();
}

-

package localservice;

public interface LocalService{
public String getPid();
}

-

A sample activity in APK #1 that binds with the service and also
implements the ServiceConnection interface
-

package kanonov.t1;

import localservice.LocalService;
import localservice.LocalServiceBinder;
import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.util.Log;

public class T1 extends Activity implements ServiceConnection{
public static final String TAG = Test;

@Override
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

Log.d(TAG, T1 onCreate);
bindService(new Intent(kanonov.localservice), this,
BIND_AUTO_CREATE);
}

@Override
public void onServiceConnected(ComponentName name, IBinder service){
Log.d(TAG, T1 onServiceConnected  + 
android.os.Process.myPid());
if (service == null){
try{
LocalServiceBinder lsb = 
(LocalServiceBinder)service;
LocalService ls = lsb.getLocalService();
Log.i(TAG, My PID is:  + 
android.os.Process.myPid());
Log.i(TAG, LocalService Process' PID is:  + 
ls.getPid());
}catch(Exception e){
Log.e(TAG, Error in connection:  + 
e.getMessage(), e);
}
unbindService(this);
}else{
Log.e(TAG, Binder is null!);
}

}
@Override
public void onServiceDisconnected(ComponentName name){}
}


The actual service in APK #2
-
package kanonov.t2;

import localservice.LocalService;
import localservice.LocalServiceBinder;
import android.app.Service;
import android.content.Intent;
import android.util.Log;

public class LS extends Service implements LocalService{
public static final String TAG = Test;

@Override
public LocalServiceBinder onBind(Intent intent){
Log.d(TAG, LocalService onBind  + android.os.Process.myPid());
return new LocalServiceBinder(){

@Override
public LocalService getLocalService(){
Log.d(TAG, T2LS getLocalService);
return LS.this;
}

};

}

@Override
public String getPid(){
Log.d(TAG, LocalService getPid);
return  + android.os.Process.myPid();
}
}


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[android-developers] Solved Preferences Reset Problem

2009-02-07 Thread Eric B


A while ago, I posted (see links below) about a problem with my app.
Whenever the app was killed by the OS, either memory cleanup or device
restart, all the preferences were reset.  Since my app worked entirely
from those preferences, it made it pretty much useless.

I found out that persistent for SharedPreferences is not turned on by
default.  If you add the following attribute to the root element,
PreferenceScreen, of your preferences xml file, then it will turn
persistence on and your preferences will not get reset any more.

android:persistent=true

I hope this helps some of you out there, as it was very frustrating
for me.

Thanks,
Eric

http://groups.google.com/group/android-developers/browse_frm/thread/a1f4cb597689374e
http://groups.google.com/group/android-developers/browse_frm/thread/afdecee0355fb700

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[android-developers] Re: SlidingDrawer not working with RC33

That means your app will break in cupcake though.

Please, please don't use private APIs, it only hurts the users :(

On Feb 7, 2009 1:43 PM, Stefan skyntc...@gmail.com wrote:


After digging a bit around in the source code, it looks like the
namespace used for the attributes of the internal widgets has
changed in RC33 from xmlns:android=http://schemas.android.com/apk/res/
android to some other namespace
(probably something like http://schemas.android.com/apk/res/android.intenral
??) and that caused the SlidingDrawer to not
find its attributes.

Well... one should never rely on internal classes, but... the
SlidingDrawer is actually so useful...
I am glad it will make it as an officially supported class.

On Feb 7, 4:34 pm, Romain Guy romain...@google.com wrote:  Even worse,
SlidingDrawer will move ...

 On Sat, Feb 7, 2009 at 12:14 PM, Jean-Baptiste Queru j...@android.com
wrote:Oh, ah, I had...

  On Sat, Feb 7, 2009 at 11:28 AM, Romain Guy romain...@google.com
wrote:No, SlidingDraw...
  On Sat, Feb 7, 2009 at 7:18 AM, Jean-Baptiste Queru j...@android.com
wrote:

  Can you please report this issue inhttp://b.android.com/? (a plain

  copy-paste will do).Thanks,   JBQ 

  On Sat, Feb 7, 2009 at 6:54 AM, Stefan skyntc...@gmail.com wrote: 
  It appears that  ...
  romain...@android.com

   Note: please don't send private questions to me, as I don't have time
  to provide private...

 Romain Guy  Android framework engineer
 romain...@android.com

  Note: please don't send private questions to me, as I don't have time 
to provide private suppo...

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message because you are subs...

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[android-developers] Re: App source from Git not compatible with current SDK?

The system apps are not SDK compliant yet. We'd like to fix them but no eta
yet.

On Feb 7, 2009 2:07 PM, Rich miser...@gmail.com wrote:


I loaded up the Alarm Clock app from the current git (http://
android.git.kernel.org/?p=platform/packages/apps/
AlarmClock.git;a=snapshot;h=c8208f9f6ff76479da3b1eb0cedbd5500b8be1f4;sf=tgz)
into eclipse, and there are a lot of errors, unfound imports and
things like that.

Are the 'cupcake' versions of the /apps/ incompatible with the current
SDK? Should I bother trying to fix them?

Thanks!
Rich

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[android-developers] Re: SlidingDrawer not working with RC33


Even worse, it hurts the entire ecosystem, by making users believe
that plaftorm upgrades have bugs when in fact the applications are
broken to start with.

JBQ

On Sat, Feb 7, 2009 at 3:18 PM, Romain Guy romain...@google.com wrote:
 That means your app will break in cupcake though.

 Please, please don't use private APIs, it only hurts the users :(

 On Feb 7, 2009 1:43 PM, Stefan skyntc...@gmail.com wrote:


 After digging a bit around in the source code, it looks like the
 namespace used for the attributes of the internal widgets has
 changed in RC33 from xmlns:android=http://schemas.android.com/apk/res/
 android to some other namespace
 (probably something like http://schemas.android.com/apk/res/android.intenral
 ??) and that caused the SlidingDrawer to not
 find its attributes.

 Well... one should never rely on internal classes, but... the
 SlidingDrawer is actually so useful...
 I am glad it will make it as an officially supported class.

 On Feb 7, 4:34 pm, Romain Guy romain...@google.com wrote:  Even worse,
 SlidingDrawer will move ...

 On Sat, Feb 7, 2009 at 12:14 PM, Jean-Baptiste Queru j...@android.com
 wrote:Oh, ah, I had...

  On Sat, Feb 7, 2009 at 11:28 AM, Romain Guy romain...@google.com
  wrote:No, SlidingDraw...

  On Sat, Feb 7, 2009 at 7:18 AM, Jean-Baptiste Queru j...@android.com
  wrote:

  Can you please report this issue inhttp://b.android.com/? (a plain

  copy-paste will do).Thanks,   JBQ 

  On Sat, Feb 7, 2009 at 6:54 AM, Stefan skyntc...@gmail.com wrote: 
It appears that  ...

  romain...@android.com

   Note: please don't send private questions to me, as I don't have time
 to provide private...

 Romain Guy  Android framework engineer

 romain...@android.com

  Note: please don't send private questions to me, as I don't have time 
  to provide private suppo...

 




-- 
Jean-Baptiste M. JBQ Queru
Android Engineer, Google.

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[android-developers] Re: Android Developers in Atlanta, GA

2009-02-07 Thread BarbieDahl


Hey Alton,

I saw that you already joined Droidlanta, great to have you.  We are
planning a meetup to discuss various things to get this group going.
We would love to have you attend.  We tentatively have the 4th Tuesday
of the month setup to meet.  Check the meetup post in Droidlanta for
more information.

Again, Welcome!

On Feb 7, 3:12 pm, Alton uwodino...@gmail.com wrote:
 Hi there,

 I'm in Marietta and would be interested.

 Alton

 On Jan 30, 9:10 am, BarbieDahl sr9...@gmail.com wrote:

  Are there any developers inAtlanta, GA that would like to meet and
  discuss android app ideas as well as learn new and advanced android
  topics? I would like to network with some other developers in and
  aroundAtlanta, GA for help, mentoring and support.  Please reply if
  you are interested.
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[android-developers] Re: Android Developers in Atlanta, GA

2009-02-07 Thread BarbieDahl


Hello mission4u,

We would love to checkout your app.  You can join our group if you
want, we want to do some meetups since the group so far is made up of
Atlanta area folks but we will post some stuff to our group website as
well.  The group is called Droidlanta, you can join the group and
check out our posts.  Welcome aboard, we would love to have you.

Thanks,
Barbara

On Feb 5, 7:32 pm, mission4u missio...@gmail.com wrote:
 I am in Charlotte, NC and have designed app named iTubeStatus... it
 wont be available in US Android market but you can search its
 description online. Let me know if you guys wanna see the app. I can
 change a setting for a while I can join your team too...Thanks

 On Jan 30, 9:10 am, BarbieDahl sr9...@gmail.com wrote:

  Are there any developers in Atlanta, GA that would like to meet and
  discuss android app ideas as well as learn new and advanced android
  topics? I would like to network with some other developers in and
  around Atlanta, GA for help, mentoring and support.  Please reply if
  you are interested.
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[android-developers] Re: SlidingDrawer not working with RC33

2009-02-07 Thread Stefan


Yes, I do agree that relying on private APIs is dangerous and should
be avoided for all the reasons you mention.

(The only reason I posted my findings is to save somebody the
debugging time as it was not obvious what was the reason at first)

This brings another related question. Is there a single place where we
as developers can see what has changed between the public releases of
the API's for example from RC30 = RC33? - (preferably both internal
and external changes)?

The only thing I could find is that RC33 has fixed several bugs and
added several features, but nothing specific about what has changed
and what bugs have been fixed.

Stefan


On Feb 7, 6:21 pm, Jean-Baptiste Queru j...@android.com wrote:
 Even worse, it hurts the entire ecosystem, by making users believe
 that plaftorm upgrades have bugs when in fact the applications are
 broken to start with.

 JBQ



 On Sat, Feb 7, 2009 at 3:18 PM, Romain Guy romain...@google.com wrote:
  That means your app will break in cupcake though.

  Please, please don't use private APIs, it only hurts the users :(

  On Feb 7, 2009 1:43 PM, Stefan skyntc...@gmail.com wrote:

  After digging a bit around in the source code, it looks like the
  namespace used for the attributes of the internal widgets has
  changed in RC33 from xmlns:android=http://schemas.android.com/apk/res/
  android to some other namespace
  (probably something likehttp://schemas.android.com/apk/res/android.intenral
  ??) and that caused the SlidingDrawer to not
  find its attributes.

  Well... one should never rely on internal classes, but... the
  SlidingDrawer is actually so useful...
  I am glad it will make it as an officially supported class.

  On Feb 7, 4:34 pm, Romain Guy romain...@google.com wrote:  Even worse,
  SlidingDrawer will move ...

  On Sat, Feb 7, 2009 at 12:14 PM, Jean-Baptiste Queru j...@android.com
  wrote:Oh, ah, I had...

   On Sat, Feb 7, 2009 at 11:28 AM, Romain Guy romain...@google.com
   wrote:No, SlidingDraw...

   On Sat, Feb 7, 2009 at 7:18 AM, Jean-Baptiste Queru j...@android.com
   wrote:

   Can you please report this issue inhttp://b.android.com/?(a plain

   copy-paste will do).Thanks,   JBQ 

   On Sat, Feb 7, 2009 at 6:54 AM, Stefan skyntc...@gmail.com wrote: 
 It appears that  ...

   romain...@android.com

Note: please don't send private questions to me, as I don't have time
  to provide private...

  Romain Guy  Android framework engineer

  romain...@android.com

   Note: please don't send private questions to me, as I don't have time 
   to provide private suppo...

 --
 Jean-Baptiste M. JBQ Queru
 Android Engineer, Google.
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[android-developers] Re: Please Help! Service seems to sleep when phone is inactive


Android uses a very proactive power management approach. Basically,
the policy is to go to sleep if not told otherwise.

The way to signal to the system that it should stay awake are
wakelocks. As soon as there's at least one app holding a wakelock, the
system won't go to sleep and all the running processes can do their
work (even those that are not holding a wakelock at that moment).

Any application with the according permission can acquire a wakelock
and thus prevent the system from sleeping. There are several wakelock
levels, you can read all the details here:
http://code.google.com/android/reference/android/os/PowerManager.html

In your case, as a background service, you probably want to hold a
PARTIAL_WAKE_LOCK which will keep the CPU running as long as it's
acquired.

Please be very careful with using the wakelock, as this affects
battery life a lot and it is hard for users to determine which
application is causing the drainage and uninstall it. For every
acquire(), make sure you have a matching release() call that is
guaranteed to be executed* and only hold the lock for the minimal
amount of time.

Also ask yourself whether it's crucial that your service is preventing
the system to go to sleep or whether it would be enough to do work
only when the system is awake anyway (e.g. because the user is
interacting with the phone).

The AlarmManager can be used to get an intent delivered to you at a
certain time, regardless of the sleep-state of the system. The
AlarmManager will wake the system up if necessary and hold a wakelock
until the intent has been delivered to you.

As you should not do long-lasting work on the main thread of your
service (which is receiving the intent), you should spawn a thread and
manually acquire a wakelock.

Sorry for the long post and I hope this information is helpful (and
accurate :-)).

Christoph

* One has to pay special attention to the control flow in the case of
exceptions. Make sure that a thrown exception won't prevent release()
from being called:

void doSomeWork() throws SomeException { ... }

void barWrong() {
  try {
  wakelock.acquire();
  doSomeWork();
  wakelock.release(); // - Won't be called on exception
  } catch (SomeException  e) {
  Log.w(...);
  }
}

void barRight() {
  try {
  wakelock.acquire();
  doSomeWork();
  } catch (SomeException e) {
  Log.w(...);
  } finally {
  wakelock.release();
  }
}



On Sat, Feb 7, 2009 at 11:19 PM, clarkbriancarl
clarkbrianc...@gmail.com wrote:

 Thanks for the reply. I've been reading and tweaking for over a week
 trying to figure this out. Thats a good idea to use the Alarm Manager.
 I think I will give that a try. I would still like to hear from a more
 experienced devloper or a google engineer if this is the way an
 Android service is supposed to behave.

 On Feb 7, 3:29 pm, Greg White debauchedsl...@gmail.com wrote:
 On Sat, Feb 7, 2009 at 11:50 AM, Brian clarkbrianc...@gmail.com wrote:
  While testing the service, I have come across something interesting.

  My problem is that the service appears to sleep or pause for a few
  hours, run a short time, and then sleep for a few more hours, then run
  a short time, etc when the phone has become inactive.

 I'm interested to hear what others say.  My experience mirrors yours.  I
 believe the phone is going to sleep and freezing the service.

 What I did was to use the AlarmManager to wake the service to do its work.
 While it was working, I used a wake lock to keep the phone from sleeping.
 


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[android-developers] Re: RC33 for Dev Phone

2009-02-07 Thread Brad Fuller


On Sat, Feb 7, 2009 at 11:42 AM, Brad Fuller bradallenful...@gmail.com wrote:
 On Fri, Feb 6, 2009 at 6:16 PM, Disconnect dc.disconn...@gmail.com wrote:
 Install jf's 1.41-rc33. http://andblogs.net/tag/jf

 It is signed with test keys -and- its a full install instead of a patch, so
 no perquisites.

 Has anyone tried this on their devphone? I only have one devphone so
 I'm reluctant to try.


I did it and it seems to work. I commented on the site on the procedure I used:

Ok, I found out why I couldn't load the update package, I didn't have
the right sequence. It is:
1. Rename file that you would like to update to update.zip
2. Copy to SD card. Make sure you unmount from your PC so it'll copy
completely over.
3. Turn off G1
5. Power back on holding down END_CALL+Home+Back keys. You'll have to
hold it down until it responds.
6. When icon screen appears, Hold down Alt-L. You will get a list of
operations to perform.
7 - You might have to delete your User Data by selecting Alt-W. I had
to do this to prevent the Android icon from hanging when rebooting.
Unfortunatley, all user data is gone. If you are using ATT, you'll
have to add your APN again.
8. Hold down Alt-S to load update. This will take a minute. A list of
operations will be shown. WAIT until it says to Press Home+Back to
reboot.
9. After loading, Hold down Home+Back keys. It'll reboot a couple of times.

That should be it.




-- 
Brad Fuller

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[android-developers] Re: WebView responding to touch events

2009-02-07 Thread kolby


Mark,

I'm not sure it would work, but have you tried to just
setFocusableInTouchMode(true) on the WebView object? Seems a lot
easier than messing with the touch handler.

Michael

On Feb 7, 3:45 pm, Mark Nuetzmann mark.nuetzm...@gmail.com wrote:
 Sergey,
 I ended up doing basically what you posted but only for the
 ACTION_DOWN as that seemed to handle it.

 Fred,
 I tried adding an OnClickListener but never got any callbacks.  I
 assume that the WebView is designed to handle this internally and
 expects you to use the WebViewClient.shouldOverrideUrlLoading() to
 respond to the clicks.  As to whether it happens in the emulator I am
 not sure.  I learned a long time ago with WM not to trust emulators so
 I only debug on-device...

 Thanks for the comments guys!
 Mark

 On Feb 7, 11:28 am, Sergey Ten sergeyte...@gmail.com wrote:

  Mark,

  I think I had this problem myself and could solve it by using the following
  code:

         webView.setOnTouchListener(new View.OnTouchListener() {
             public boolean onTouch(View v, MotionEvent event) {
                 switch (event.getAction()) {
                     case MotionEvent.ACTION_DOWN:
                     case MotionEvent.ACTION_UP:
                         if (!v.hasFocus()) {
                             v.requestFocus();
                         }
                         break;
                 }
                 return false;
             }
         });

  Hope this would help,
  Sergey

  On Sat, Feb 7, 2009 at 12:07 AM, Mariano Kamp mariano.k...@gmail.comwrote:

   Mark, maybe you should post some code?

   On Thu, Feb 5, 2009 at 4:36 PM, Mark Nuetzmann 
   mark.nuetzm...@gmail.comwrote:

   I have an Activity that has a WebView that contains some simple html
   that allows me to display a Terms  Conditions link that if touched or
   clicked calls another activity.  My problem is unless the link in the
   WebView has focus (ie, the text is wrapped with that little orange
   focus) I cannot touch the link and have it work.  If any other view on
   the activity has focus, touching the WebView with the link does
   nothing.  The other Views that had focus loose focus, but the WebView
   does not receive focus.  I have tried calling setFocusable(true) and
   setFocusableInTouchMode(true) but that does not do any good...

   I would really like to know what you have to do to get a WebView to
   respond to touch events without using the trackball to scroll to the
   view before touching it.

   thank you,
   Mark
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[android-developers] Re: WebView responding to touch events

2009-02-07 Thread kolby


Sorry,
obviously you have. Nevermind.

Michael

On Feb 7, 8:48 pm, kolby kolbys...@gmail.com wrote:
 Mark,

 I'm not sure it would work, but have you tried to just
 setFocusableInTouchMode(true) on the WebView object? Seems a lot
 easier than messing with the touch handler.

 Michael

 On Feb 7, 3:45 pm, Mark Nuetzmann mark.nuetzm...@gmail.com wrote:

  Sergey,
  I ended up doing basically what you posted but only for the
  ACTION_DOWN as that seemed to handle it.

  Fred,
  I tried adding an OnClickListener but never got any callbacks.  I
  assume that the WebView is designed to handle this internally and
  expects you to use the WebViewClient.shouldOverrideUrlLoading() to
  respond to the clicks.  As to whether it happens in the emulator I am
  not sure.  I learned a long time ago with WM not to trust emulators so
  I only debug on-device...

  Thanks for the comments guys!
  Mark

  On Feb 7, 11:28 am, Sergey Ten sergeyte...@gmail.com wrote:

   Mark,

   I think I had this problem myself and could solve it by using the 
   following
   code:

          webView.setOnTouchListener(new View.OnTouchListener() {
              public boolean onTouch(View v, MotionEvent event) {
                  switch (event.getAction()) {
                      case MotionEvent.ACTION_DOWN:
                      case MotionEvent.ACTION_UP:
                          if (!v.hasFocus()) {
                              v.requestFocus();
                          }
                          break;
                  }
                  return false;
              }
          });

   Hope this would help,
   Sergey

   On Sat, Feb 7, 2009 at 12:07 AM, Mariano Kamp 
   mariano.k...@gmail.comwrote:

Mark, maybe you should post some code?

On Thu, Feb 5, 2009 at 4:36 PM, Mark Nuetzmann 
mark.nuetzm...@gmail.comwrote:

I have an Activity that has a WebView that contains some simple html
that allows me to display a Terms  Conditions link that if touched or
clicked calls another activity.  My problem is unless the link in the
WebView has focus (ie, the text is wrapped with that little orange
focus) I cannot touch the link and have it work.  If any other view on
the activity has focus, touching the WebView with the link does
nothing.  The other Views that had focus loose focus, but the WebView
does not receive focus.  I have tried calling setFocusable(true) and
setFocusableInTouchMode(true) but that does not do any good...

I would really like to know what you have to do to get a WebView to
respond to touch events without using the trackball to scroll to the
view before touching it.

thank you,
Mark
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[android-developers] Re: Please Help! Service seems to sleep when phone is inactive

2009-02-07 Thread clarkbriancarl


Wow, some great information here. Thanks for taking the time!


On Feb 7, 6:38 pm, Christoph Studer chstu...@gmail.com wrote:
 Android uses a very proactive power management approach. Basically,
 the policy is to go to sleep if not told otherwise.

 The way to signal to the system that it should stay awake are
 wakelocks. As soon as there's at least one app holding a wakelock, the
 system won't go to sleep and all the running processes can do their
 work (even those that are not holding a wakelock at that moment).

 Any application with the according permission can acquire a wakelock
 and thus prevent the system from sleeping. There are several wakelock
 levels, you can read all the details 
 here:http://code.google.com/android/reference/android/os/PowerManager.html

 In your case, as a background service, you probably want to hold a
 PARTIAL_WAKE_LOCK which will keep the CPU running as long as it's
 acquired.

 Please be very careful with using the wakelock, as this affects
 battery life a lot and it is hard for users to determine which
 application is causing the drainage and uninstall it. For every
 acquire(), make sure you have a matching release() call that is
 guaranteed to be executed* and only hold the lock for the minimal
 amount of time.

 Also ask yourself whether it's crucial that your service is preventing
 the system to go to sleep or whether it would be enough to do work
 only when the system is awake anyway (e.g. because the user is
 interacting with the phone).

 The AlarmManager can be used to get an intent delivered to you at a
 certain time, regardless of the sleep-state of the system. The
 AlarmManager will wake the system up if necessary and hold a wakelock
 until the intent has been delivered to you.

 As you should not do long-lasting work on the main thread of your
 service (which is receiving the intent), you should spawn a thread and
 manually acquire a wakelock.

 Sorry for the long post and I hope this information is helpful (and
 accurate :-)).

 Christoph

 * One has to pay special attention to the control flow in the case of
 exceptions. Make sure that a thrown exception won't prevent release()
 from being called:

 void doSomeWork() throws SomeException { ... }

 void barWrong() {
   try {
       wakelock.acquire();
       doSomeWork();
       wakelock.release(); // - Won't be called on exception
   } catch (SomeException  e) {
       Log.w(...);
   }

 }

 void barRight() {
   try {
       wakelock.acquire();
       doSomeWork();
   } catch (SomeException e) {
       Log.w(...);
   } finally {
       wakelock.release();
   }

 }

 On Sat, Feb 7, 2009 at 11:19 PM, clarkbriancarl

 clarkbrianc...@gmail.com wrote:

  Thanks for the reply. I've been reading and tweaking for over a week
  trying to figure this out. Thats a good idea to use the Alarm Manager.
  I think I will give that a try. I would still like to hear from a more
  experienced devloper or a google engineer if this is the way an
  Android service is supposed to behave.

  On Feb 7, 3:29 pm, Greg White debauchedsl...@gmail.com wrote:
  On Sat, Feb 7, 2009 at 11:50 AM, Brian clarkbrianc...@gmail.com wrote:
   While testing the service, I have come across something interesting.

   My problem is that the service appears to sleep or pause for a few
   hours, run a short time, and then sleep for a few more hours, then run
   a short time, etc when the phone has become inactive.

  I'm interested to hear what others say.  My experience mirrors yours.  I
  believe the phone is going to sleep and freezing the service.

  What I did was to use the AlarmManager to wake the service to do its work.
  While it was working, I used a wake lock to keep the phone from sleeping.
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[android-developers] Re: Context.startService - The service does not stay running...

2009-02-07 Thread Jon Colverson


Look into the PowerManager:

http://code.google.com/android/reference/android/os/PowerManager.html

--
Jon

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[android-developers] Re: App source from Git not compatible with current SDK?

2009-02-07 Thread Rich


I see..

If that's the case, how were they compiled? Do you have a private SDK
different from our SDK?

Is there anyway I would be able to get this code to compile?

As far as I can tell, the only two unresolvable problems seem to be a
missing intent, Intent.FLAG_ACTIVITY_NO_USER_ACTION and reference to a
Vibrator() class (heh). The Intent seems like a possibly unsolvable
part.

So what should I do.. Will I be able to clean this code up and use it,
or should I just wait for the GPowers to be release a full SDK?

I'm fairly miffed about this quite honestly, as what is the point of
having this as an open source project if we can't even compile the
code to be working on.

Rich

On Feb 7, 6:20 pm, Romain Guy romain...@google.com wrote:
 The system apps are not SDK compliant yet. We'd like to fix them but no eta
 yet.

 On Feb 7, 2009 2:07 PM, Rich miser...@gmail.com wrote:

 I loaded up the Alarm Clock app from the current git (http://
 android.git.kernel.org/?p=platform/packages/apps/
 AlarmClock.git;a=snapshot;h=c8208f9f6ff76479da3b1eb0cedbd5500b8be1f4;sf=tgz)
 into eclipse, and there are a lot of errors, unfound imports and
 things like that.

 Are the 'cupcake' versions of the /apps/ incompatible with the current
 SDK? Should I bother trying to fix them?

 Thanks!
 Rich
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[android-developers] Re: App source from Git not compatible with current SDK?

They are compiled against the framework library, before the non-SDK symbols
have been stripped from it.  The platform build system -can- build against
the SDK version, but that feature didn't exist until very late in to the 1.0
platform, so many of the apps don't use it, and so as much as one tries to
avoid it they will end up unintentionally using non-SDK methods.  Also there
was a lot of cleanup of the SDK that happened late in 1.0, when there wasn't
time to update all of the existing apps to use new official SDK APIs.

As for the Intent flag, that is actually a new feature in Cupcake (which is
in the SDK), so it just means you are trying to build a post-1.0 application
against the 1.0 SDK.  There is a very good chance this won't work, like
here.  If you want to build against the 1.0 SDK, you really should do this
from the 1.0 version of the app.  I don't know about the Vibrator thing;
there is certaily a public API for controlling the vibrator.

Some specific answers:

On Sat, Feb 7, 2009 at 6:39 PM, Rich miser...@gmail.com wrote:

 If that's the case, how were they compiled? Do you have a private SDK
 different from our SDK?


Build it with the platform build system, as everyone else who currently
works on the app does.  There is nothing hidden about this.


 So what should I do.. Will I be able to clean this code up and use it,
 or should I just wait for the GPowers to be release a full SDK?


There is nothing being kept from you.  The full complete source to the
platform is right up there in git for you to do whatever you want with it.


 I'm fairly miffed about this quite honestly, as what is the point of
 having this as an open source project if we can't even compile the
 code to be working on.


Before publicly getting miffed at people (about stuff they gave you for free
no less), it is good to have an idea of what you are getting miffed about.
:}

-- 
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.  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: SlidingDrawer not working with RC33

When a new SDK is posted, there is a complete API diff and overview of the
changes.  However, there is very little change to the platform APIs in 1.1,
so there isn't much to say about this one.  I'm not sure when an SDK for it
will be available.

Also, out of curiosity, how did you go about using the private class?  If
you are actually using the SDK, you shouldn't be able to use any of the
private classes, just to protect people from accidentally using things that
will break on them.

Finally, if there is a class like this in the internal implementation that
you really want to use, just copy it out and build the copy in to your own
code.  That way your code won't break when the system changes.

On Sat, Feb 7, 2009 at 4:10 PM, Stefan skyntc...@gmail.com wrote:


 Yes, I do agree that relying on private APIs is dangerous and should
 be avoided for all the reasons you mention.

 (The only reason I posted my findings is to save somebody the
 debugging time as it was not obvious what was the reason at first)

 This brings another related question. Is there a single place where we
 as developers can see what has changed between the public releases of
 the API's for example from RC30 = RC33? - (preferably both internal
 and external changes)?

 The only thing I could find is that RC33 has fixed several bugs and
 added several features, but nothing specific about what has changed
 and what bugs have been fixed.

 Stefan


 On Feb 7, 6:21 pm, Jean-Baptiste Queru j...@android.com wrote:
  Even worse, it hurts the entire ecosystem, by making users believe
  that plaftorm upgrades have bugs when in fact the applications are
  broken to start with.
 
  JBQ
 
 
 
  On Sat, Feb 7, 2009 at 3:18 PM, Romain Guy romain...@google.com wrote:
   That means your app will break in cupcake though.
 
   Please, please don't use private APIs, it only hurts the users :(
 
   On Feb 7, 2009 1:43 PM, Stefan skyntc...@gmail.com wrote:
 
   After digging a bit around in the source code, it looks like the
   namespace used for the attributes of the internal widgets has
   changed in RC33 from xmlns:android=
 http://schemas.android.com/apk/res/
   android to some other namespace
   (probably something likehttp://
 schemas.android.com/apk/res/android.intenral
   ??) and that caused the SlidingDrawer to not
   find its attributes.
 
   Well... one should never rely on internal classes, but... the
   SlidingDrawer is actually so useful...
   I am glad it will make it as an officially supported class.
 
   On Feb 7, 4:34 pm, Romain Guy romain...@google.com wrote:  Even
 worse,
   SlidingDrawer will move ...
 
   On Sat, Feb 7, 2009 at 12:14 PM, Jean-Baptiste Queru 
 j...@android.com
   wrote:Oh, ah, I had...
 
On Sat, Feb 7, 2009 at 11:28 AM, Romain Guy romain...@google.com
wrote:No, SlidingDraw...
 
On Sat, Feb 7, 2009 at 7:18 AM, Jean-Baptiste Queru 
 j...@android.com
wrote:
 
Can you please report this issue 
inhttp://b.android.com/?(ahttp://b.android.com/?%28aplain
 
copy-paste will do).Thanks,   JBQ 
 
On Sat, Feb 7, 2009 at 6:54 AM, Stefan skyntc...@gmail.com
 wrote: 
  It appears that  ...
 
romain...@android.com
 
 Note: please don't send private questions to me, as I don't have
 time
   to provide private...
 
   Romain Guy  Android framework engineer
 
   romain...@android.com
 
Note: please don't send private questions to me, as I don't have
 time 
to provide private suppo...
 
  --
  Jean-Baptiste M. JBQ Queru
  Android Engineer, Google.
 



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

Note: please don't send private questions to me, as I don't have time to
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forums, where I and others can see and answer them.

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[android-developers] can not see the files after yaffs2 image mounted

2009-02-07 Thread ebmajor


Dear all,

I created img.yaffs2 using mkyaffs2image
and then mounted it into Ubuntu MTD NAND flash simulator.
so if I use 'cat /proc/filesystems' I can see yaffs and yaffs2
and by 'cat /proc/mtd' I can see
/dev/mtd0에 Nand simulator partition 0. (block size is 0x4000)

after that using mtd-utils, I did

'flash_eraseall /dev/mtd0'

'nandwrite -a -o /dev/mtd0 img.yaffs2

so I can see the image is writing as

writeing data to block 0
writeing data to block 4000
writeing data to block 8000

after that to see the files I mounted

mount -t yaffs2 /dev/mtdblock0 /mnt/yaffs2

but when I type the command 'ls -l /mnt/yaffs2'
there is only 'lost+found' directory

What's wrong with me?

regards.
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[android-developers] Re: can not see the files after yaffs2 image mounted

2009-02-07 Thread Rajesh N

Hi,

 Can u mention the steps which u have used to create yaffs2 image from u
android file system?

 Did u do u yaffs2 file system image for both data.img and system.img?

 In android SDK1.0 data.img is read only, u should not create yaffs2 image
for it, rather u need to create RAMFS or CRAMFS image for it. only
system.img needs to be yaffs2 formated and mounted on system!

 How r u burning yaffs2 image? from boot loader or from kernel?

Please elaborate steps u did from creating an image to mounting the file
system, it will rather give clear picture on what mistake u could have done
in installing yaffs2 image!


Best Regards,
Rajesh N


2009/2/8 ebmajor ebma...@hanmail.net


 Dear all,

 I created img.yaffs2 using mkyaffs2image
 and then mounted it into Ubuntu MTD NAND flash simulator.
 so if I use 'cat /proc/filesystems' I can see yaffs and yaffs2
 and by 'cat /proc/mtd' I can see
 /dev/mtd0에 Nand simulator partition 0. (block size is 0x4000)

 after that using mtd-utils, I did

 'flash_eraseall /dev/mtd0'

 'nandwrite -a -o /dev/mtd0 img.yaffs2

 so I can see the image is writing as

 writeing data to block 0
 writeing data to block 4000
 writeing data to block 8000

 after that to see the files I mounted

 mount -t yaffs2 /dev/mtdblock0 /mnt/yaffs2

 but when I type the command 'ls -l /mnt/yaffs2'
 there is only 'lost+found' directory

 What's wrong with me?

 regards.
 


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[android-developers] Re: native C++ SIP stack on Android

You are posting to android-developers, for talking about writing
applications using the SDK, which does not currently support native code, so
you can't use JNI at all.

If you post on android-platform or android-framework, however, about adding
code to the platform itself, the answer may be very different. ;)

On Fri, Jan 9, 2009 at 1:37 AM, pinguin e...@vinacom.de wrote:


 Ok, thanks. So it would be able when i have a SIP stack written in C.
 Is there any restrictions using JNI in adroid. Can i load all libs of
 my sip stack ?

 On 8 Jan., 18:08, David Turner di...@android.com wrote:
  first, you cannot have C++ code in the kernel.
 
  however, depending on how your stack is designed, you may be able to use
 it
  from Java through JNI
 
  given that you give absolutely no information about your stack's
 interface,
  it's really difficult to answer your question
 
  On Thu, Jan 8, 2009 at 5:57 PM, pinguin e...@vinacom.de wrote:
 
   Can i port SIP stack written in C++ to android and let it running as
   service in kernel ?
   and the GUI will communicate with SIP stack through JNI ?
 
 
 



-- 
Dianne Hackborn
Android framework engineer
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] Graphics question: bilinear interpolation

2009-02-07 Thread j


Is there an Android API for performing bilinear interpolation?  I
discovered that my own interpolation implementation is extremely slow
running on the G1 so it's pretty useless.
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[android-developers] Re: Reusing the +/- number spinner from TimePickerDialog?

DO NOT DO THIS.

See the word internal in there?  That means internal.  Do not touch.  Your
code will break in the future.  In fact some platform engineer just may go
rename that class for no reason at all and break your code.

2009/2/4 solomonk denis.solone...@gmail.com


 No need to clone it if you really don't want to. You can use it in XML
 layot like

 com.android.internal.widget.NumberPicker
   android:id=@+id/picker
  android:layout_width=wrap_content
  android:layout_height=wrap_content/

 and then use reflection to set settings:

Object o = findViewById(R.id.picker);
Class c = o.getClass();
try {
Method m = c.getMethod(setRange, int.class, int.class);
m.invoke(o, 0, 9);
} catch (Exception e) {
Log.e(, e.getMessage());
}

 It sucks but it works :)

 On 28 янв, 20:17, Mark Murphy mmur...@commonsware.com wrote:
  Will wrote:
   Setting a breakpoint when a DatePickerDialog is open on the emulator's
   screen shows a com.android.internal.widget.NumberPicker for month,
   year, and date (1numberpickereach for a total of three
   NumberPickers).  It looks like the same widget used for a timepicker;
   based on the name I'm sure it is.
 
   Importing android.internal.widget doesn't work.  It was worth a shot.
 
  The source to it is probably available on source.android.com. Clone your
  own until they open that one up in the SDK.
 
  --
  Mark Murphy (a Commons Guy)http://commonsware.com
  _The Busy Coder's Guide to Android Development_ Version 2.0 Available!

 



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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] Re: access to internal telephony

Not any time soon.  Most of the classes there will only work when running
code in the phone process, and making them work in other process would be
significant work.

Also on the G1 I don't believe that anything in the application processor
even has access the voice data stream, so it just wouldn't be able to do
what you want even if you were modifying the platform itself.

On Sat, Feb 7, 2009 at 11:04 AM, Gero Mudersbach ger...@web.de wrote:

 Hello,


 are there plans to make com.android.internal.telephony available public? As
 far as I understand it is currently not possible to write e.g. an answering
 machine within the current framework (standard sdk), because direct access
 to acceptCall and hangup methods is missing.


 Best
 G. Mudersbach



 



-- 
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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
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[android-developers] Possible Bug in Dialog-Persistence (onCreateDialog / onPrepareDialog)

2009-02-07 Thread plusminus


Hi all,

I'm not 100% sure whether this is a bugs, so I'm asking on here.

Issue #1:
In my Acticity the user is passing trough some dialogs:

D/OPENSTREETMAP( 1468): Creating dialog: 1
D/OPENSTREETMAP( 1468): Preparing dialog: 1
D/OPENSTREETMAP( 1468): Creating dialog: 0
D/OPENSTREETMAP( 1468): Preparing dialog: 0
D/OPENSTREETMAP( 1468): Creating dialog: 5
D/OPENSTREETMAP( 1468): Preparing dialog: 5

While a dialog is open, the screenorientation is changed manually.

// Change in ScreenOrientation
D/OPENSTREETMAP( 1468): Creating dialog: 0
D/OPENSTREETMAP( 1468): Creating dialog: 1
D/OPENSTREETMAP( 1468): Creating dialog: 5

The Bug is in my opinion that onPrepareDialog is not called after the
change of the Screenorientation.
I assume it would happen to the currently opened Dialog.

Any suggestion is welcomed.

Best Regards,
plusminus
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[android-developers] Re: Graphics question: bilinear interpolation