Android(安卓)Notification的使用
16lz
2021-12-04
Android 4.1 (Jelly Bean) 增强了通知功能,在AndroidManifest.xml中可以为Activity添加属性android:parentActivityName="MainActivity",实现点击通知打开ResultActivity时,再按返回键,回到MainActivity,而不是回到之前的Task。只在4.1的机器上有效,在2.x的机器上和以前没有任何区别。
核心代码如下:
部分AndroidManifiest.xml代码
参考:http://developer.android.com/guide/topics/ui/notifiers/notifications.html
核心代码如下:
public void showNotification() { NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this) .setSmallIcon(R.drawable.ic_launcher) .setContentTitle("My Notification") .setContentText("Hello World"); //NotificationCompat.InboxStyle inboxStyle = new NotificationCompat.InboxStyle();// String [] events = new String[6];// inboxStyle.setBigContentTitle("Event tracker details:");// for (String event : events) {// inboxStyle.addLine(event);// }// mBuilder.setStyle(inboxStyle); Intent intent = new Intent(this, ResultActivity.class); //The stack builder object will contain an artificial back stack for the started Activity. //This ensures that navigating backward from the Activity leads out of your application to the Home screen TaskStackBuilder stackBuilder = TaskStackBuilder.create(this); //Adds the back stack for the Intent (but not the Intent itself) stackBuilder.addParentStack(ResultActivity.class); //Adds the intent that starts the Activity to the top of the stack stackBuilder.addNextIntent(intent); PendingIntent pendingIntent = stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT); mBuilder.setContentIntent(pendingIntent); mBuilder.setDefaults(Notification.DEFAULT_SOUND); mBuilder.setAutoCancel(true); //mBuilder.setDefaults(Notification.DEFAULT_ALL); NotificationManager mgr = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); mgr.notify(0, mBuilder.build()); }
部分AndroidManifiest.xml代码
<activity android:name=".ResultActivity" android:parentActivityName=".MainActivity" ></activity>
参考:http://developer.android.com/guide/topics/ui/notifiers/notifications.html
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