icon上添加数字提醒

使用viewbadger包:

 1 package com.jingle.vierbagerstudy;

 2 

 3 import android.app.Activity;

 4 import android.os.Bundle;

 5 import android.widget.ImageView;

 6 

 7 import com.readystatesoftware.viewbadger.BadgeView;

 8 

 9 public class MainActivity extends Activity {

10 

11     @Override

12     protected void onCreate(Bundle savedInstanceState) {

13         super.onCreate(savedInstanceState);

14         setContentView(R.layout.activity_main);

15 

16         initImg();

17     }

18 

19     private void initImg() {

20         ImageView img = (ImageView) findViewById(R.id.img);

21         img.setImageResource(R.drawable.ic_launcher);

22         

23         //使用image,context初始化badgeView

24         BadgeView badge = new BadgeView(this, img);

25         badge.setText("ok");//设置显示的数字

26         badge.show();//显示badge
　　　　　　//badge.hide()//隐藏badge


27     }

31 }