布局

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="wrap_content"
    android:layout_height="match_parent"
   
    tools:context="com.example.layout.MainActivity" >

   <ImageView
		android:layout_margin="10dip"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@drawable/round"
        android:src="@drawable/ic_launcher" />

    <TextView
        android:layout_width="25dip"  
        android:layout_height="25dip"
        android:layout_margin="1dip"
        
        android:gravity="center"
        android:layout_gravity="right"
        android:text="5" 
        android:textColor="@android:color/white"
        android:background="@drawable/circle"/>


</FrameLayout>

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
    <!-- 背景填充颜色值 -->  
    <solid android:color="#FFA500" />  
      
    <!-- radius值越大，越趋于圆形 -->  
    <corners android:radius="20dip" />  
      
    <!-- 圆角图像内部填充四周的大小 ，将会以此挤压内部布置的view -->  
    <padding  
        android:bottom="3dip"  
        android:left="3dip"  
        android:right="3dip"  
        android:top="3dip" />  

</shape>

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" 
    
     android:shape= "oval"  
     android:useLevel= "false" >  
    
    <solid android:color= "#FF0000" />
    
</shape>