One of the options is to make your BroadcastReceiver an inner class of your
Activity. It also makes sense to make BroadCasterReceiver as Activity's
inner class if its just going to update your Activity's UI.
2008/10/20 Abraham <[EMAIL PROTECTED]>
>
> HI ,
>
> I'm trying the understand how an application can receive intent in
> BroadcastReceiver & how it can inform the Activity abt the information
> received in the intent.
>
> For this purpose I have created an activity which has a TextView. In
> OnCreate of the Activity I'm using AlarmManager to start sending
> intents every 10 sec to broadcast receiver of my application. On
> receiving this intent I would like to update the text view with the
> current time.
>
> From the documention I understand that we need to be using the
> NotificationManager instead of trying to directly updating the UI.
>
> Can some one pls let me know how I can achieve this.
>
> Code snippets:
> public class myFaves extends Activity
> {
> public void onCreate(Bundle savedInstanceState)
> {
> super.onCreate(savedInstanceState);
> setContentView(R.layout.main);
> mCurrentTime = (TextView) findViewById(R.id.curtime_label);
> startUpdatingCurrentTime();
> }
>
> protected void onPause()
> {
> super.onPause();
> cancelUpdatingCurrentTime();
> }
>
> private void startUpdatingCurrentTime()
> {
> Intent intent = new Intent(MyTimer.this, MyTimerReceiver.class);
> PendingIntent sender = PendingIntent.getBroadcast(MyTimer.this, 0,
> intent, 0);
>
> // We want the alarm to go off every second from now.
> long firstTime = SystemClock.elapsedRealtime();
> firstTime += 10000;
>
> // Schedule the alarm!
> AlarmManager am = (AlarmManager)getSystemService(ALARM_SERVICE);
> am.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, firstTime,
> 10000, sender);
>
> Calendar calendar = Calendar.getInstance();
> calendar.setTimeInMillis(System.currentTimeMillis());
> mCurrentTime.setText( calendar.getTime().toString());
> }
>
> public void cancelUpdatingCurrentTime()
> {
> Intent intent = new Intent(MyTimer.this, MyTimerReceiver.class);
> PendingIntent sender = PendingIntent.getBroadcast(MyTimer.this, 0,
> intent, 0);
>
> // And cancel the alarm.
> AlarmManager am = (AlarmManager)getSystemService(ALARM_SERVICE);
> am.cancel(sender);
> }
> }
>
>
> public class MyTimerReceiver extends BroadcastReceiver
> {
> protected static final String LOG_TAG = "MyTimer";
>
>
> @Override
> public void onReceive(Context context, Intent intent)
> {
> Log.d(LOG_TAG, "onReceive");
> // How do I update the TextView with
> current time in my activity?
> }
>
> }
> >
>
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