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我要创建通知并希望在BroadcastReceiver的onReceiver上显示它。但我无法做到这一点。为什么？ 我的类的代码是：为什么我无法在BroadcastReceiver的OnReceiver中创建通知？
public class AlarmNotificationReceiver extends BroadcastReceiver{
//private Intent intent;
private NotificationManager notificationManager;
private Notification notification;
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
long value1 = intent.getLongExtra("param1", 0);
String value2 = intent.getStringExtra("param2");
Toast.makeText(context, "Hello! How r u ?", Toast.LENGTH_SHORT).show();
addTwoMonthNotification();
}
private void addTwoMonthNotification(){
notificationManager = (NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE);
int icon = R.drawable.icon;
CharSequence text = "Your amout is due on this date";
CharSequence contentTitle = "Tax Calculator App";
CharSequence contentText = "Your tax amount is due on the "+System.currentTimeMillis()+"";
long when = System.currentTimeMillis();
Intent intent = new Intent(this, NotificationViewer.class);
PendingIntent contentIntent = PendingIntent.getActivity(this, 0, intent, 0);
notification = new Notification(icon,text,when);
long[] vibrate = {0,100,200,300};
notification.vibrate = vibrate;
notification.ledARGB = Color.RED;
notification.ledOffMS = 300;
notification.ledOnMS = 300;
notification.defaults |= Notification.DEFAULT_LIGHTS;
//notification.flags |= Notification.FLAG_SHOW_LIGHTS;
notification.setLatestEventInfo(this, contentTitle, contentText, contentIntent);
notificationManager.notify(NotificationConstants.NOTIFICATION_ID, notification);
}
}它
给出解决方案。 谢谢。