[android-developers] Re: phoneStateListener

2012-09-06 Thread Ashoka UWU
I am looking for the same thing.. :)

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[android-developers] Re: Phonestatelistener dies after a while .... can it be kept alive?

2009-12-19 Thread henca
 TelephonyManager tm = (TelephonyManager)getSystemService
 (TELEPHONY_SERVICE);
                 tm.listen(mPhoneListener, PhoneStateListener.LISTEN_NONE);

 This seems to work for a while but then fails to fire after - say an
 hour.

This sounds very much like a problem I have and wrote about at
http://www.anddev.org/crash_recovery_makes_my_widget_useless-t9163.html

 I have tried relaunching the listening in a timertask every 60 seconds
 but this does not seem to work.

Yep :-), I have also tried to use a timertask and that get lost as
well as the PhoneStateListener together with some other global
variables.

 Is there a way of keeping a listener alive for a long period of time.

I wish I knew. The timertask idea might work if the timertask is
replaced with an AlarmManager. However, I still don't like the idea to
do periodic checks to see if something has become broken. Those
periodic checks will consume battery if done often but if done seldom
there is instead a bigger risk of not having a working
PhoneStateListener when the phone state changes.

 I can only assume  the system is garbage collecting it.

According to my studies of the logs it seems as if the
PhoneStateListener disappears because the application crashes and then
is recovered in a less useful state.

regards Henrik

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[android-developers] Re: PhoneStateListener::onSignalStrengthChanged

2009-11-18 Thread Master_Ne0
Not quite, the original way passed an int not a SignalStrength class,
i dont think SignalStrength is part of the SDK yet. They say its been
deprecated, i assume this means a soon to come revision of the SDK
will have this class in and fixed. You will have to wait for a google
developer to confirm this.

Ne0

On Nov 17, 5:48 pm, Ken Adair kadai...@gmail.com wrote:
 Thanks for the reply. The way you mentioned was the way to do it prior
 to Android 2.0. However, it has since been deprecated, meaning that is
 no longer the way to access signal strength. From my limited testing
 this method no longer seems to work when testing with the Droid.

 On Nov 17, 12:30 pm, Master_Ne0 master.ne0s.soluti...@googlemail.com
 wrote:

  The source code suggests this,

  @Override
          public void onSignalStrengthsChanged(SignalStrength
  signalStrength) {
              mSignalStrength = signalStrength;
              updateSignalStrength();
          }

  where SignalStrength is android.telephony.SignalStrength class. Let me
  know if this works, doubt that it will be backwards compatible.

  Ne0

  On Nov 17, 1:46 am, Ken Adair kadai...@gmail.com wrote:

   I'm assuming it is returning -1 because it is no longer being used
   with 2.0?



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[android-developers] Re: PhoneStateListener::onSignalStrengthChanged

2009-11-17 Thread Master_Ne0
The source code suggests this,

@Override
public void onSignalStrengthsChanged(SignalStrength
signalStrength) {
mSignalStrength = signalStrength;
updateSignalStrength();
}

where SignalStrength is android.telephony.SignalStrength class. Let me
know if this works, doubt that it will be backwards compatible.

Ne0

On Nov 17, 1:46 am, Ken Adair kadai...@gmail.com wrote:
 I'm assuming it is returning -1 because it is no longer being used
 with 2.0?

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[android-developers] Re: PhoneStateListener::onSignalStrengthChanged

2009-11-17 Thread Ken Adair
Thanks for the reply. The way you mentioned was the way to do it prior
to Android 2.0. However, it has since been deprecated, meaning that is
no longer the way to access signal strength. From my limited testing
this method no longer seems to work when testing with the Droid.

On Nov 17, 12:30 pm, Master_Ne0 master.ne0s.soluti...@googlemail.com
wrote:
 The source code suggests this,

 @Override
         public void onSignalStrengthsChanged(SignalStrength
 signalStrength) {
             mSignalStrength = signalStrength;
             updateSignalStrength();
         }

 where SignalStrength is android.telephony.SignalStrength class. Let me
 know if this works, doubt that it will be backwards compatible.

 Ne0

 On Nov 17, 1:46 am, Ken Adair kadai...@gmail.com wrote:

  I'm assuming it is returning -1 because it is no longer being used
  with 2.0?



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[android-developers] Re: PhoneStateListener::onSignalStrengthChanged

2009-11-16 Thread Ken Adair
I second the SDK confusion. I was able to create a PhoneStateListener
and override the onSignalStrengthChanged method. However, the asu is
always -1. I am also testing on the Droid. Someone at Google please
advise.

Regards,
Ken

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[android-developers] Re: PhoneStateListener::onSignalStrengthChanged

2009-11-16 Thread Ken Adair
I'm assuming it is returning -1 because it is no longer being used
with 2.0?

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[android-developers] Re: PhoneStateListener memory leak

2009-09-08 Thread Romain Guy

When you do this kind of test, you should force GCs on the system
process with DDMS, then force GCs in your process and then check how
many activities you have running.

On Tue, Sep 8, 2009 at 10:57 AM, Flying Coderav8r.st...@gmail.com wrote:


 There appears to be a leak when using PhoneStateListeners.  The
 following code simply reigsters in onResume and unregisters in onPause
 a PhoneStateListener.  Repeatedly launch then press BACK (so the app
 is finished  onDestory is called before the next launch) and the
 number of activities reported by meminfo will equal the number of
 launches.  For instance, here is the output I get after launching (and
 finishing) 11 times in sequence:

 dumpsys meminfo com.example.leak
 Currently running services:
  meminfo
 ---
 DUMP OF SERVICE meminfo:
 Applications Memory Usage (kB):
 Uptime: 12204322 Realtime: 12204322

 ** MEMINFO in pid 1358 [com.example.leak] **
                    native   dalvik    other    total
            size:     2648     3079      N/A     5727
       allocated:     2604     2254      N/A     4858
            free:       43      825      N/A      868
           (Pss):      913     1305     1475     3693
  (shared dirty):     1080     3864      568     5512
    (priv dirty):      808      936     1056     2800

  Objects
           Views:       77        ViewRoots:        1
     AppContexts:       12       Activities:       11
          Assets:        2    AssetManagers:        2
   Local Binders:       36    Proxy Binders:       21
 Death Recipients:        0
  OpenSSL Sockets:        0

  SQL
            heap:        0          dbFiles:        0
       numPagers:        0   inactivePageKB:        0
    activePageKB:        0
 #

 Without the PhoneStateListener, the number of activities is always 1
 no matter how many times the app is launched  finished.  So, am I
 doing anything wrong here?  Or is this a bug in the
 TelephonyManager?

 Thanks,
 Steve

  here's the code
 package com.example.leak;

 import android.app.Activity;
 import android.content.Context;
 import android.os.Bundle;
 import android.telephony.PhoneStateListener;
 import android.telephony.TelephonyManager;
 import android.util.Log;

 public class LeakExample extends Activity {

        private class MyPhoneStateListener extends PhoneStateListener {
               �...@override
                public void onCallStateChanged(int state, String 
 incomingNumber) {

                        if ((state == TelephonyManager.CALL_STATE_RINGING)
                                        || (state == 
 TelephonyManager.CALL_STATE_OFFHOOK)) {
                                LeakExample.this.finish();
                        }
                }
        }

        MyPhoneStateListener phone_listener = new MyPhoneStateListener();

        TelephonyManager telMgr ;

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

        telMgr = (TelephonyManager) getSystemService
 (Context.TELEPHONY_SERVICE);
    }

       �...@override
        protected void onPause() {
                super.onPause();

                telMgr.listen(phone_listener, PhoneStateListener.LISTEN_NONE);
        }

       �...@override
        protected void onResume() {
                super.onResume();

                telMgr.listen(phone_listener, 
 PhoneStateListener.LISTEN_CALL_STATE);
        }

       �...@override
        protected void onDestroy() {
                super.onDestroy();

                Log.v(LEAK EXAMPLE, onDestory);
        }



 }


 




-- 
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: PhoneStateListener memory leak

2009-09-08 Thread Flying Coder


Ugh -- yep, that was the problem.  Thanks! :-)



On Sep 8, 2:04 pm, Romain Guy romain...@google.com wrote:
 When you do this kind of test, you should force GCs on the system
 process with DDMS, then force GCs in your process and then check how
 many activities you have running.





 On Tue, Sep 8, 2009 at 10:57 AM, Flying Coderav8r.st...@gmail.com wrote:

  There appears to be a leak when using PhoneStateListeners.  The
  following code simply reigsters in onResume and unregisters in onPause
  a PhoneStateListener.  Repeatedly launch then press BACK (so the app
  is finished  onDestory is called before the next launch) and the
  number of activities reported by meminfo will equal the number of
  launches.  For instance, here is the output I get after launching (and
  finishing) 11 times in sequence:

  dumpsys meminfo com.example.leak
  Currently running services:
   meminfo
  ---­
  DUMP OF SERVICE meminfo:
  Applications Memory Usage (kB):
  Uptime: 12204322 Realtime: 12204322

  ** MEMINFO in pid 1358 [com.example.leak] **
                     native   dalvik    other    total
             size:     2648     3079      N/A     5727
        allocated:     2604     2254      N/A     4858
             free:       43      825      N/A      868
            (Pss):      913     1305     1475     3693
   (shared dirty):     1080     3864      568     5512
     (priv dirty):      808      936     1056     2800

   Objects
            Views:       77        ViewRoots:        1
      AppContexts:       12       Activities:       11
           Assets:        2    AssetManagers:        2
    Local Binders:       36    Proxy Binders:       21
  Death Recipients:        0
   OpenSSL Sockets:        0

   SQL
             heap:        0          dbFiles:        0
        numPagers:        0   inactivePageKB:        0
     activePageKB:        0
  #

  Without the PhoneStateListener, the number of activities is always 1
  no matter how many times the app is launched  finished.  So, am I
  doing anything wrong here?  Or is this a bug in the
  TelephonyManager?

  Thanks,
  Steve

   here's the code
  package com.example.leak;

  import android.app.Activity;
  import android.content.Context;
  import android.os.Bundle;
  import android.telephony.PhoneStateListener;
  import android.telephony.TelephonyManager;
  import android.util.Log;

  public class LeakExample extends Activity {

         private class MyPhoneStateListener extends PhoneStateListener {
                �...@override
                 public void onCallStateChanged(int state, String 
  incomingNumber) {

                         if ((state == TelephonyManager.CALL_STATE_RINGING)
                                         || (state == 
  TelephonyManager.CALL_STATE_OFFHOOK)) {
                                 LeakExample.this.finish();
                         }
                 }
         }

         MyPhoneStateListener phone_listener = new MyPhoneStateListener();

         TelephonyManager telMgr ;

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

         telMgr = (TelephonyManager) getSystemService
  (Context.TELEPHONY_SERVICE);
     }

        �...@override
         protected void onPause() {
                 super.onPause();

                 telMgr.listen(phone_listener, 
  PhoneStateListener.LISTEN_NONE);
         }

        �...@override
         protected void onResume() {
                 super.onResume();

                 telMgr.listen(phone_listener, 
  PhoneStateListener.LISTEN_CALL_STATE);
         }

        �...@override
         protected void onDestroy() {
                 super.onDestroy();

                 Log.v(LEAK EXAMPLE, onDestory);
         }

  }

 --
 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- Hide quoted text -

 - Show quoted text -
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[android-developers] Re: PhoneStateListener state transitions

2009-02-08 Thread songs

Also, adding/receiving other calls while on an existing doesn't seem
to send any new events.

On Feb 8, 3:21 am, songs coca.c...@gmail.com wrote:
 Hi,

 I'm a little confused by what I'm seeing with regards to phone state
 transitions via the PhoneStateListener.

 When I receive a call, this is what happens:
   (call comes in)
 RINGING - IDLE
   (I pick up)
 OFFHOOK
   (I hang up)
 IDLE

 It's that first transition from RINGING to IDLE without any
 interaction from me (not ending the call, not answering the call) that
 confuses me.  Do I really have to implement an idle counter to know
 that an incoming call has really ended?  Seems like the reported phone
 state represents some sort of phone state that isn't the obvious
 one...

 Is this a bug or am I just not in tune with the paradigm here?

 Regards,
 Steve
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[android-developers] Re: PhoneStateListener GarbageCollection

2008-12-15 Thread legerb

Having the same problem with the PhoneStateListener.
Did you manage to keep it alive?
Regarding services, this might help:
http://groups.google.com/group/android-developers/browse_frm/thread/fa2848e31636af70?hl=en


On Dec 3, 3:21 pm, blau vinb...@gmail.com wrote:
 I'm trying to figure out the best way to have a PhoneStateListener
 survive as long as possible and be recreated if necessary.

                 TelephonyManager telephonyManager = (TelephonyManager)
 aContext.getSystemService(Context.TELEPHONY_SERVICE);
                 telephonyManager.listen(listener,
 PhoneStateListener.LISTEN_CALL_STATE); //

 I'm setting that up on BOOT_COMPLETED, and it survives for a while,
 but eventually garbage collection kicks in and seems to kill my
 listener.

 Setting a service up that just holds a reference would work right? But
 what concerns do I need to have about services dieing?

 Anyone have an idea why phone states weren't implemented as a
 broadcast intent?
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[android-developers] Re: phoneStateListener

2008-12-11 Thread shimo...@gmail.com

Anyone ?

On Nov 3, 12:32 pm, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
 Hi,

 I think I got this straight.
 Now an other problem - I want to use the 'onCallStateChanged' function
 to launch my app screen
 when a call ends. How do I bring my app to the front ?

 TIA

 On Oct 9, 8:22 pm, chouman82 [EMAIL PROTECTED] wrote:

  Can anyone give a simple example of the usage ofPhoneStateListener?

  I have tried to overwrite the listener and register it with the
  TelephonyManager with the Context.TELEPHONY_SERVICE.

  But i only saw my logging statement printed out right when I started
  to run the application.  The logging showed the PhoneState as IDLE.
  But then after that when I use telnet to emulate an incoming call, I
  don't see the logging statement been printed for PhoneState - RINGING
  or PhoneState - OFFHOOK.

  here is my code snippet:
  TelephonyManager tm =
  (TelephonyManager)this.getSystemService(Context.TELEPHONY_SERVICE);
  tm.listen(this, CallStateListener.LISTEN_CALL_STATE);

  public void onCallStateChanged(int state, String incomingNumber)
  {
      switch(state)
      {
            case TelephonyManager.CALL_STATE_DLE:
                 Log.d(DEBUG, PHONE STATE - IDLE);
                 break;
            case TelephonyManager.CALL_STATE_OFFHOOK:
                 Log.d(DEBUG, PHONE STATE - OFFHOOK);
                 break;
            case TelephonyManager.CALL_STATE_RINGING:
                 Log.d(DEBUG, PHONE STATE - RINGING);
                 break;
       }

  }
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[android-developers] Re: PhoneStateListener not called until Phone Activity completes...

2008-11-17 Thread dreamerBoy

I thinks I answered my own question again.

The problem appears to be with the Android Service object.  I was
using an instance of the Service object to do my synchronization.

In normal Java, when you call wait() inside of a synchronization
block, the thread is supposed to release the monitor so that the
thread can be notified ( ... because notify() must also be called from
within a synchronization block.)

It appears the Android Service object does not behave according to
normal Java semantics i.e., it doesn't release the monitor when wait()
is called.  Therefore, notify() can't enter the monitor in order to
wake up the thread and therefore, the wait always times out.

The simple solution is to use another object as the synchronizer.  I
guess Service can be viewed as a special OS object with unique
restrictions so it's understandable.  However, this fact should
definitely be placed in the documentation - yo Google.

On Nov 17, 1:57 pm, dreamerBoy [EMAIL PROTECTED] wrote:
 Hi -

 I'm having a problem with my PhoneStateListener not being called until
 after the Phone Activity is finished.  Here is what I am doing:

 step 1:  Install a PhoneStateListener.  The listener is supposed to
 call notify() (synchronized on the lock object) when it detects a
 change in the phone state (specifically OFF_HOOK).

 step 2:  Place a call with the ACTION_CALL intent.

 step 3:  Call wait(timeout) (in a synchronized loop), waiting for the
 listener to wake us up.

 (I realize  wait/notify can be tricky but am confident the
 implementation is  correct...)

 Step 3 is always appearing to time out even though I am seeing the
 call go through properly on the emulator screen.  No matter what
 timeout value I use, it always times out even though
 telephonyManager.getCallState() returns the correct value (OFF_HOOK).

 I tried placing step 2 and step 3 in their own, separate (ordinary
 Java) threads.  Same behavior.

 When I tried placing step 1 in its own (ordinary Java) thread, Android
 throws:

 11-17 12:12:01.451: ERROR/AndroidRuntime(2004): Uncaught handler:
 thread Thread-9 exiting due to uncaught exception
 11-17 12:12:01.451: ERROR/AndroidRuntime(2004):
 java.lang.RuntimeException: Can't create handler inside thread that
 has not called Looper.prepare()
 11-17 12:12:01.451: ERROR/AndroidRuntime(2004):     at
 android.os.Handler.init(Handler.java:111)
 11-17 12:12:01.451: ERROR/AndroidRuntime(2004):     at
 android.telephony.PhoneStateListener$2.init(PhoneStateListener.java:
 235)
 11-17 12:12:01.451: ERROR/AndroidRuntime(2004):     at
 android.telephony.PhoneStateListener.init(PhoneStateListener.java:
 234)
 11-17 12:12:01.451: ERROR/AndroidRuntime(2004):     at
 test.phone.PhoneTestService$MyPhoneStateListener.init
 (PhoneTestService.java:529)
 11-17 12:12:01.451: ERROR/AndroidRuntime(2004):     at
 test.phone.PhoneTestService$MyPhoneStateListener.init
 (PhoneTestService.java:529)
 11-17 12:12:01.451: ERROR/AndroidRuntime(2004):     at
 test.phone.PhoneTestService.listenToCallState(PhoneTestService.java:
 640)
 11-17 12:12:01.451: ERROR/AndroidRuntime(2004):     at
 test.phone.PhoneTestService.access$2(PhoneTestService.java:618)
 11-17 12:12:01.451: ERROR/AndroidRuntime(2004):     at
 test.phone.PhoneTestService$1.run(PhoneTestService.java:704)
 11-17 12:12:01.451: ERROR/AndroidRuntime(2004):     at
 java.lang.Thread.run(Thread.java:935)

 Working on figuring out the right way to launch the listener in a
 Handler thread - however, there's nothing in the PhoneStateListener
 write-up about having to launch in a separate execution context.  This
 doesn't seem to follow Java orthodoxy either - e.g., in Swing,
 callbacks are invoked seamlessly - no separate execution context
 required.

 ...Unless - I've overlooked something ...

 Can anyone shed any light on this?

 Thanks much.

 -dreamer
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[android-developers] Re: PhoneStateListener not being called back

2008-11-14 Thread dreamerBoy

Answered my own question...

telMgr.listen(myPhoneStateListener,
 TelephonyManager.CALL_STATE_IDLE
| TelephonyManager.CALL_STATE_RINGING |
TelephonyManager.CALL_STATE_OFFHOOK);

is wrong.  This is right:

telMgr.list(myPhoneStateListener,
PhoneStateListener.LISTEN_CALL_STATE);

of course -

one still uses TelephoneManager.CALL_STATE_IDLE in
onCallStateChangedChanged so it's a bit tricky.  Hey Google, Java has
enums yes?

On Nov 13, 4:24 pm, dreamerBoy [EMAIL PROTECTED] wrote:
 I didn't forget:

 uses-permission android:name=android.permission.READ_PHONE_STATE/
 uses-permission

 On Nov 13, 4:09 pm,dreamerBoy[EMAIL PROTECTED] wrote:

      private class MyPhoneStateListener extends PhoneStateListener
     {
        public void onCallStateChanged(int state, String incomingNumber)
        {
           log(listener call state:  + phoneStateToString(state) +  
  + new Date());
        }
     }

     MyPhoneStateListener myPhoneStateListener = new MyPhoneStateListener
  ();
     /*
            * telMgr.listen(myPhoneStateListener,
  TelephonyManager.CALL_STATE_IDLE
            * | TelephonyManager.CALL_STATE_RINGING |
            * TelephonyManager.CALL_STATE_OFFHOOK);
            */
           // let's try this...
           telMgr.listen(myPhoneStateListener,
  TelephonyManager.CALL_STATE_IDLE);

           telMgr.listen(myPhoneStateListener,
  TelephonyManager.CALL_STATE_RINGING);

           telMgr.listen(myPhoneStateListener,
  TelephonyManager.CALL_STATE_OFFHOOK);

  Intent myIntent = new Intent(Intent.ACTION_CALL, Uri.parse(tel:
  1234567));
  thisActivity.startActivity(myIntent);

  I can see the call definitely get placed on the emulator - however, no
  PhoneStateListener callback.

  I can always resort to polling with

  telMgr.getCallState()

  but it's not as elegant as a callback - anyway, wondering what's up.

  -dreamer


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[android-developers] Re: phoneStateListener

2008-11-03 Thread [EMAIL PROTECTED]

Hi,

I think I got this straight.
Now an other problem - I want to use the 'onCallStateChanged' function
to launch my app screen
when a call ends. How do I bring my app to the front ?

TIA

On Oct 9, 8:22 pm, chouman82 [EMAIL PROTECTED] wrote:
 Can anyone give a simple example of the usage of PhoneStateListener?

 I have tried to overwrite the listener and register it with the
 TelephonyManager with the Context.TELEPHONY_SERVICE.

 But i only saw my logging statement printed out right when I started
 to run the application.  The logging showed the PhoneState as IDLE.
 But then after that when I use telnet to emulate an incoming call, I
 don't see the logging statement been printed for PhoneState - RINGING
 or PhoneState - OFFHOOK.

 here is my code snippet:
 TelephonyManager tm =
 (TelephonyManager)this.getSystemService(Context.TELEPHONY_SERVICE);
 tm.listen(this, CallStateListener.LISTEN_CALL_STATE);

 public void onCallStateChanged(int state, String incomingNumber)
 {
     switch(state)
     {
           case TelephonyManager.CALL_STATE_DLE:
                Log.d(DEBUG, PHONE STATE - IDLE);
                break;
           case TelephonyManager.CALL_STATE_OFFHOOK:
                Log.d(DEBUG, PHONE STATE - OFFHOOK);
                break;
           case TelephonyManager.CALL_STATE_RINGING:
                Log.d(DEBUG, PHONE STATE - RINGING);
                break;
      }

 }
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