Oh, I have found a cause of the problem. It is a logic problem in my code but it is not displayed above codes.
在 2011年2月7日 下午12:26，San Zhang <[email protected]>写道： > Below codes is notifications behavior no problem: > ================================================= > public class AlarmService extends Service > { > @Override > public void onCreate() > { > . > . > . > showNotification(sAlarmKeyName); > Intent i = new Intent(this, AlarmWindow.class); > i.putExtra("AlarmKeyName", sAlarmKeyName); > > > i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_NO_USER_ACTION); > startActivity(i); > . > . > . > } > > private void showNotification(String AlarmKeyName) > { > mNM = (NotificationManager)getSystemService(NOTIFICATION_SERVICE); > CharSequence text = AlarmKeyName; > > Notification notification = new Notification(R.drawable.alarmclock, > text, System.currentTimeMillis()); > > Intent i = new Intent("a.b.c.ALARM", Uri.parse(AlarmKeyName+1), this, > AlarmWindow.class); > Bundle bundle = new Bundle(); > bundle.putString("AlarmKeyName", AlarmKeyName); > bundle.putInt("AlarmState", 1); > i.putExtras(bundle); > > i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_NO_HISTORY); > PendingIntent contentIntent = PendingIntent.getActivity(this, 0, i, > 0); > > notification.setLatestEventInfo(this, getString(R.string.alarm), > settings.getString(AlarmKeyName, " "), contentIntent); > mNM.notify(Integer.parseInt(AlarmKeyName.substring(5)), > notification); > } > } > > public class AlarmWindow extends Activity > { > @Override > protected void onCreate(Bundle savedInstanceState) > { > super.onCreate(savedInstanceState); > . > . > . > > Button DismissBtn = (Button)findViewById(R.id.dismiss_btn); > DismissBtn.setOnClickListener(new Button.OnClickListener() > { > public void onClick(View v) > { > . > . > . > NotificationManager mNM = > (NotificationManager)getSystemService(NOTIFICATION_SERVICE); > mNM.cancel(Integer.parseInt(sAlarmKeyName.substring(5))); > finish(); > } > }); > } > } > ================================================= > > > Below codes is notifications behavior having problem: > ================================================= > public class AlarmService extends Service > { > @Override > public int onStartCommand(Intent intent, int flags, int startId) > { > String AlarmKeyName = intent.getStringExtra("AlarmKeyName"); > > String actionName = intent.getAction(); > if(actionName!=null) > { > if(actionName.equals(CS_ALARM_START)) > AlarmStart(AlarmKeyName); > if(actionName.equals(CS_ALARM_STOP)) > AlarmStop(AlarmKeyName); > . > . > . > } > return START_STICKY; > } > > private void AlarmStop(String AlarmKeyName) > { > . > . > . > NotificationManager mNM = > (NotificationManager)getSystemService(NOTIFICATION_SERVICE); > mNM.cancel(Integer.parseInt(AlarmKeyName.substring(5))); > } > > private void AlarmStart(String AlarmKeyName) > { > . > . > . > showNotification(AlarmKeyName, CS_ALARM_START); > IntentAlarmWindow(CS_ALARM_START, AlarmKeyName); > > . > . > . > } > > private void IntentAlarmWindow(String action, String AlarmKeyName) > { > Intent intent = new Intent(action, Uri.parse(action), mContext, > AlarmWindow.class); > intent.putExtra("AlarmKeyName", AlarmKeyName); > > > intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_SINGLE_TOP); > startActivity(intent); > } > > private void showNotification(String AlarmKeyName, String action) > { > NotificationManager mNM1; > mNM1 = > (NotificationManager)getSystemService(NOTIFICATION_SERVICE); > CharSequence text = AlarmKeyName; > > Notification notification = new > Notification(R.drawable.alarmclock, text, System.currentTimeMillis()); > String AlarmTitle = settings.getString(AlarmKeyName, " "); > String sNotiText = AlarmTitle; > PendingIntent contentIntent=null; > Class<?> cls = AlarmService.class; > if(action.equals(CS_ALARM_START)) > cls = AlarmWindow.class; > Intent i = new Intent(action+AlarmKeyName, > Uri.parse(action+AlarmKeyName), this, cls); > i.putExtra("AlarmKeyName", AlarmKeyName); > Calendar calendar = Calendar.getInstance(); > calendar.setTimeInMillis(System.currentTimeMillis()); > calendar.add(Calendar.MILLISECOND, SNOOZE_TIME); > if(action.equals(CS_ALARM_START)) > { > > i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_SINGLE_TOP); > //FLAG_ACTIVITY_NO_HISTORY > Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT > contentIntent = PendingIntent.getActivity(this, 0, i, 0); > sNotiText = AlarmTitle; > } > else > { > . > . > . > } > notification.setLatestEventInfo(this, getString(R.string.alarm), > sNotiText, contentIntent); > mNM1.notify(Integer.parseInt(AlarmKeyName.substring(5)), > notification); > } > } > > > public class AlarmWindow extends Activity > { > @Override > protected void onCreate(Bundle savedInstanceState) > { > super.onCreate(savedInstanceState); > Intent intent = getIntent(); > String action = intent.getAction(); > setContentView(R.layout.alarm_window); > > Button DismissBtn = (Button)findViewById(R.id.dismiss_btn); > > sAlarmKeyName = intent.getStringExtra("AlarmKeyName"); > . > . > . > DismissBtn.setOnClickListener(new Button.OnClickListener() > { > public void onClick(View v) > { > Context context = getApplicationContext(); > Intent i = new Intent(AlarmService.CS_ALARM_STOP, > Uri.parse(AlarmService.CS_ALARM_STOP), context, AlarmService.class ); > i.putExtra("AlarmKeyName", sAlarmKeyName); > context.startService(i); > finish(); > } > }); > . > . > . > > > } > > protected void onNewIntent(Intent intent) > { > setIntent(intent); > String action = intent.getAction(); > . > . > . > if(action.contains(AlarmService.CS_ALARM_START)) > { > sAlarmKeyName = intent.getStringExtra("AlarmKeyName"); > TextView AlsrmTitle = > (TextView)findViewById(R.id.alarmtitle); > AlsrmTitle.setText(settings.getString(sAlarmKeyName, > sAlarmKeyName)); > } > . > . > . > } > } > ================================================= > > > 在 2011年2月7日 上午10:16，San Zhang <[email protected]>写道： > > I don't understand how to use AlarmManager to post notifications. I think >> that all notifications is managered by NotificationManager but not >> AlarmManager, although they are started and canceled according with alarms >> life cycle. >> >> In fact, The behavior of notifications were right, no the problem, before >> I changed some thing in my code. If need, I can write these difference code >> snippet to here. >> >> >> 2011/2/7 TreKing <[email protected]> >> >> On Sun, Feb 6, 2011 at 7:21 AM, San Zhang <[email protected]> wrote: >>> >>>> The results are same: The notification can be deleted from status bar, >>>> but it would be displayed twice (and only twice) when another alarm >>>> notification (with different value of noti_id) be displayed. I >>>> don't understand what is happened. I have searched internet by google but >>>> not answer for this. >>> >>> >>> Are you using AlarmManager to post these notifications? Is so, have you >>> set a repeating alarm? Is so, are you canceling your alarm registered with >>> AlarmManager when the notification is canceled? >>> >>> >>> ------------------------------------------------------------------------------------------------- >>> TreKing <http://sites.google.com/site/rezmobileapps/treking> - Chicago >>> transit tracking app for Android-powered devices >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Android Developers" group. >>> To post to this group, send email to [email protected] >>> To unsubscribe from this group, send email to >>> [email protected] >>> For more options, visit this group at >>> http://groups.google.com/group/android-developers?hl=en >> >> >> > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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