http://blog.csdn.net/chentravelling/article/details/51260063
 
 
 
 一.notification
 
  
   
    
    [java] 
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   pushMessageButton = (Button)findViewById(R.id.pushMessage);   final Bitmap largeIcon = ((BitmapDrawable) getResources().getDrawable(R.drawable.stefan)).getBitmap();   final NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);   pushMessageButton.setOnClickListener(new View.OnClickListener() {       @Override       public void onClick(View v) {           PendingIntent pendingIntent = PendingIntent.getActivity(BaiDuMapActivity.this, 0, new Intent().setAction(Intent.ACTION_VIEW), 0);           Notification notify= new Notification.Builder(BaiDuMapActivity.this)                   .setSmallIcon(R.drawable.head_image)                   .setLargeIcon(largeIcon)                   .setTicker( "您有新短消息,请注意查收!")                   .setContentTitle("Notification Title")                   .setContentText("This is the notification message")                   .setContentIntent(pendingIntent).setNumber(1).getNotification();            notify.flags |= Notification.FLAG_AUTO_CANCEL;            manager.notify(1,notify);       }   });   
   
   
   
  
 二.问题
 
  没有notification通知显示。
 
 三.解决
 
  1.请设置icon 
 
  2.如果API是16请将getNotification()换成build(),可参考:http://blog.csdn.net/loongggdroid/article/details/17616509