Question

我有这个小部件，以秒或间隔更新。

将小部件添加到屏幕后，启动了PreferencesActivity，当用户确定所有内容都已正确设置时，他退出设置并调用我的方法：

public class MyWidgetConfiguration extends PreferenceActivity {
    // [...] Some code...

    private void createWidget() {
        Context c = getApplicationContext() ;
        SharedPreferences sp = getSharedPreferences( PREF_NAME+widgetID, MODE_PRIVATE );

        // Set layout
        AppWidgetManager awm = AppWidgetManager.getInstance( c );
        RemoteViews rv = new RemoteViews( c.getPackageName(), LAYOUT_ID );

        awm.updateAppWidget( widgetID, rv );

        // start alarm manager running this particular widget
        Intent i = new Intent( c, MyWidgetReceiver.class );
        PendingIntent pi = PendingIntent.getBroadcast( c, 0, i, 0 );
        AlarmManager a = (AlarmManager) c.getSystemService( Context.ALARM_SERVICE );

        /** 
         * MY GUESS IS, THAT I'D HAVE TO ADD SOME KIND OF PendingIntent CALL HERE,
         * I TRIED COUPLE OF THINGS, BUT MOST OF THEM INTERFERED OR CANCELLED FOLLOWING 
         * AlarmManager REPEATING... 
         *
         * DELAY contains time left to closest full minute 
         */
        a.setRepeating( AlarmManager.ELAPSED_REALTIME, SystemClock.elapsedRealtime() + DELAY, MINUTE, pi );     

        /// return widget ID
        Intent resultValue = new Intent();
        resultValue.putExtra( AppWidgetManager.EXTRA_APPWIDGET_ID, widgetID );
        setResult( RESULT_OK, resultValue );

        finish();
    }

    // [...] More of some code...
}

所以，正如你在上面看到的那样，我从第一分钟开始每分钟调用一次alarmManager，并且在延迟过后，一切正常，但在此之前，我的小部件有点冻结了一段时间。我想阻止这一点，但不向Receiver添加任何额外的逻辑，因为它甚至可以每秒调用一次。完整＆amp;原始代码：http://goo.gl/uOP9P

Answer 1

PendingIntent可能会在其他地方调用一些代码。为什么不在设置闹钟后直接调用相同的代码？

如何在为其设置AlarmManager之前调用pendingIntent

1 个答案: