Error receiving broadcast intent from broadcast receiver

Question

i have a broadcast receiver, and in onRecive i execute Asynctask that when executed, in preExecute, i show a dialog as a busy indicator. at run time when the AsyncTask executes i receive the below logcat errors, to fix that error i tried to pass getApplicationContext() as a reference to the context to the constructor of the asyncTask but i still receive the same error

please let me know how to fix that error

code:

//executingt the AsyncTask from onReceive
if (sppBondState == BluetoothDevice.BOND_BONDED) {
    Log.d(TAG, SubTag.bullet("mBCR_STATE_CHANGED", "unbonding spp wil start"));
    ATSPPUnbond mATSPPUnbond = new ATSPPUnbond(getApplicationContext());
    mATSPPUnbond.execute();
}
...
...
...
 @Override
    protected void onPreExecute() {
        super.onPreExecute();
        Log.w(TAG, SubTag.msg("ATSPPUnbond.onPreExecute"));
        ...
        ...
        ...
        this.mDialog = new Dialog(this.mCtx);
        this.mDialog.setCancelable(false);
        this.mDialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
        this.mDialog.setContentView(R.layout.dialog_phases);

        this.mtvPhaseName = (TextView) this.mDialog.findViewById(R.id.act_main_tv_phase_name);
        this.mpbBusyIndicator = (ProgressBar) this.mDialog.findViewById(R.id.act_main_pb_busy_indicator);

        this.mtvPhaseName.setText(getApplicationContext().getResources().getString(R.string.phase_unbonding_from_remote_device));

        this.mDialog.show(); //line 776
    }

Logcat:

FATAL EXCEPTION: main
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime: Process: com.example.com.vpager_00, PID: 28161
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime: java.lang.RuntimeException: Error receiving broadcast Intent { act=android.bluetooth.adapter.action.STATE_CHANGED flg=0x4000010 (has extras) } in com.example.com.ecoassistant_03.ActMain$1@c73928a
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java:933)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at android.os.Handler.handleCallback(Handler.java:739)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at android.os.Handler.dispatchMessage(Handler.java:95)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at android.os.Looper.loop(Looper.java:145)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at android.app.ActivityThread.main(ActivityThread.java:5938)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at java.lang.reflect.Method.invoke(Native Method)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at java.lang.reflect.Method.invoke(Method.java:372)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1400)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1195)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:  Caused by: android.view.WindowManager$BadTokenException: Unable to add window -- token null is not for an application
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at android.view.ViewRootImpl.setView(ViewRootImpl.java:691)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:288)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at android.app.Dialog.show(Dialog.java:312)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at com.example.com.ecoassistant_03.ActMain$ATSPPUnbond.onPreExecute(ActMain.java:776)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:587)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at android.os.AsyncTask.execute(AsyncTask.java:535)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at com.example.com.ecoassistant_03.ActMain$1.onReceive(ActMain.java:123)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java:923)
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at android.os.Handler.handleCallback(Handler.java:739) 
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at android.os.Handler.dispatchMessage(Handler.java:95) 
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at android.os.Looper.loop(Looper.java:145) 
02-16 11:23:08.305 28161-28161/com.example.com.vpager_00 E/AndroidRuntime:     at android.app

refer http://stackoverflow.com/questions/1516211/error-receiving-broadcast-intent-problem — sasikumar, Feb 16 '16 at 10:48
@user2121: The only way to show UI elements in Android is through Activity. Don't show a progress from Receiver. — kevz, Feb 16 '16 at 10:50
@sasikumar it might be the same error..but the link you posted addresses other issue and i have checked it — Amrmsmb, Feb 16 '16 at 13:24
@kevz would you please clarify abit more..becuase sometimes i was able to show UI element on asynctask from another asyncTask using .executeonExecutor — Amrmsmb, Feb 16 '16 at 13:35

score 0 · Answer 1 · answered Feb 16 '16 at 13:42

0

You can not show AlertDialog from Receiver because it needs Activity's Context.
Instead you can start an Activity with Theme.Dialog and start AsyncTask that will show an AlertDialog.

answered Feb 16 '16 at 13:42

kevz

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but why i did not work when i passed getApplicationcontext()? – Amrmsmb Feb 16 '16 at 14:31
@user2121: You may check this answer for more clarification http://stackoverflow.com/a/5466600/1878151 – kevz Feb 17 '16 at 04:48

Error receiving broadcast intent from broadcast receiver

1 Answers1