清除状态通知Android
问题描述:
Im有困难清除状态栏通知。清除状态通知Android
public void NotificationStatus(){
Intent intent = new Intent(this, Stimulation.class);
NotificationManager notificationManager
= (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
Notification notification = new Notification(
david.flanagan.android.VenAssist.Activities.R.drawable.notification_icon,
"VenAssist Stimulation ON", System.currentTimeMillis());
PendingIntent activity = PendingIntent.getActivity(this, 0, intent, 0);
notification.flags |= Notification.FLAG_ONGOING_EVENT;
notification.flags |= Notification.DEFAULT_VIBRATE;
notification.defaults |= Notification.DEFAULT_SOUND;
notification.setLatestEventInfo(this, "VenAssist",
"Stimulation Started", activity);
notificationManager.notify(0, notification);
}
我再试图通过调用
notification.cancel(0);
我创建了通知的情况下,其即时通讯不能肯定是正确的清除在我服务的onDestroy()
功能的通知状态。
private NotificationManager notification;
当我尝试取消服务,因此清除状态栏,应用程序崩溃。
答
您的通知对象可能为空,这会导致NullPointerException
。
,我认为你应该使用一个NotificationManager
对象取消的通知,使用相同的ID(在你的情况下,0),并传递到NoticationManager.cancel(Int)
:
NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
notificationManager.cancel(0);
+0
谢谢,像一个魅力工作 – 2012-01-12 20:01:37
我建议你贴堆栈跟踪 – 2012-01-12 19:30:28