edittext_focused.xml

<?xml version="1.0" encoding="UTF-8"?>  
<shape xmlns:android="http://schemas.android.com/apk/res/android">  
    <solid android:color="#FFFFFF" />  
      
    <corners android:radius="1dip"/>  
      
    <stroke  
        android:width="1dip"  
        android:color="#728ea3" />  
</shape>  

<?xml version="1.0" encoding="UTF-8"?>  
<shape xmlns:android="http://schemas.android.com/apk/res/android">  
    <solid android:color="#FFFFFF" />  
    <corners android:radius="1dip"/>  
    <stroke  
        android:width="1dip"  
        android:color="#BDC7D8" />  
</shape>  

<?xml version="1.0" encoding="UTF-8"?>  
<selector xmlns:android="http://schemas.android.com/apk/res/android">  
  
    <item android:drawable="@drawable/edittext_normal" android:state_window_focused="false"/>  
    <item android:drawable="@drawable/edittext_focused" android:state_focused="true"/>  
  
</selector> 

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"  
    xmlns:tools="http://schemas.android.com/tools"  
    android:layout_width="match_parent"  
    android:layout_height="match_parent"  
    tools:context="com.example.aa.MainActivity" >  
  
    <EditText  
        android:id="@+id/normal"  
        android:layout_width="fill_parent"  
        android:layout_height="36dip"  
        android:layout_margin="36dip"  
        android:hint="请输入用户名"  
        android:padding="5dip"  
        android:singleLine="true"  
        android:textColorHint="#AAAAAA"  
        android:textSize="15dip" />  
  
  
    <EditText  
        android:layout_below="@+id/normal"  
        android:layout_width="fill_parent"  
        android:layout_height="36dip"  
        android:layout_margin="36dip"  
        android:background="@drawable/bg_edittext_selector"  
        android:hint="请输入用户名"  
        android:padding="5dip"  
        android:singleLine="true"  
        android:textColorHint="#AAAAAA"  
        android:textSize="15dip" />  
  
</RelativeLayout>