但是,我意识到它们有时不会被触发.我不是唯一一个面临这个问题的人.

Android appWidgetProvider onEnabled never called on tablet

>是否有任何官方错误提交提交给Google Android团队？
>有没有解决方法,尤其是ondisabled？因为我不希望在删除最后一个小部件之后仍然可以重复触发AlarmManager.

AndroidManifest.xml中

<receiver android:name="org.yccheok.Myappwidgetprovider"
        android:exported="true" >
        <intent-filter >
            <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
            <action android:name="android.appwidget.action.APPWIDGET_ENABLED" />
            <action android:name="android.appwidget.action.APPWIDGET_DELETED" />
            <action android:name="android.appwidget.action.APPWIDGET_disABLED" />
        </intent-filter>

        <Meta-data
            android:name="android.appwidget.provider"
            android:resource="@xml/widget_info" />
    </receiver>

public class Myappwidgetprovider extends appwidgetprovider {

    private static PendingIntent createalarmUpdatePendingIntent(Context context) {
        Intent intent = new Intent(context,JStockappwidgetprovider.class);
        intent.setAction(JStockappwidgetprovider.ALARM_UPDATE_ACTION);
        PendingIntent pendingIntent = PendingIntent.getbroadcast(context,intent,PendingIntent.FLAG_UPDATE_CURRENT);
        return pendingIntent;
    }

    @Override
    public void onEnabled(Context context)
    {        
        super.onEnabled(context);

        PendingIntent pendingIntent = createalarmUpdatePendingIntent(context);
        AlarmManager alarmManager = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);
        int scanSpeed = JStockApplication.instance().getJStockOptions().getScanSpeed();
        alarmManager.setRepeating(AlarmManager.RTC,System.currentTimeMillis() + scanSpeed,scanSpeed,pendingIntent);
    }

    @Override
    public void ondisabled(Context context)
    {
        super.ondisabled(context);

        PendingIntent pendingIntent = createalarmUpdatePendingIntent(context);
        AlarmManager alarmManager = (AlarmManager)context.getSystemService(Context.ALARM_SERVICE);
        alarmManager.cancel(pendingIntent);
    }

private boolean hasInstances(Context context) {
    AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
    int[] appWidgetIds = appWidgetManager.getAppWidgetIds(
            new ComponentName(context,this.getClass()));
    return (appWidgetIds.length > 0);
}