Dashclock Widget扩展未更新

我有一个DashClockExtension有时不更新.

它使用LocalBroadcastReceiver更新类似于http://bit.ly/1e4uMl0的扩展名.接收方在onInitialize()方法中注册:

@Override
    protected void onInitialize(boolean isReconnect) {
        super.onInitialize(isReconnect);

        LocalBroadcastManager broadcastMgr = LocalBroadcastManager.getInstance(this);
        if (mDashClockReceiver != null) {
            try {
                broadcastMgr.unregisterReceiver(mDashClockReceiver);
            } catch (Exception ignore) {}
        }
        mDashClockReceiver = new DashClockUpdateReceiver();
        broadcastMgr.registerReceiver(mDashClockReceiver, new IntentFilter(UPDATE_DASHCLOCK));
    }

这就是我发送广播的方式:

public static void updateDashClock() {
    LocalBroadcastManager.getInstance(Application.getContext()).sendBroadcast(new Intent(UPDATE_DASHCLOCK));
}        

这是我的BroadcastReceiver:

private class DashClockUpdateReceiver extends BroadcastReceiver {
    @Override
    public void onReceive(Context context, Intent intent) {
        retrieveDataAndUpdateWidget();
    }
}

我注意到,当广播被触发时,接收器有时不会收到该事件.
我通过杀死我的应用程序来测试它,但这不会重现问题,所以我不知道为什么会发生这种情况.

任何人？