android 圆角编辑框

main.xml:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center_horizontal"
android:text="圆角编辑框"
/>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="center_horizontal"
android:orientation="horizontal">

<EditText
android:layout_width="220px"
android:layout_height="wrap_content"
android:padding="5px"
android:background="@drawable/rounded_edittext_states"
android:drawableLeft="@drawable/search"
android:singleLine="true"
android:lines="1"
/>

<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/button_search_bg"
/>
</LinearLayout>
</LinearLayout>

rounded_edittext_states.xml :

<?xml version="1.0" encoding="utf-8"?>
<!-- res/drawable-hdpi/rounded_edittext_states.xml -->
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_pressed="true"
android:state_enabled="true"
android:drawable="@drawable/rounded_focused" />
<item
android:state_focused="true"
android:state_enabled="true"
android:drawable="@drawable/rounded_focused" />
<item
android:state_enabled="true"
android:drawable="@drawable/rounded_edittext" />
</selector>

rounded_edittext.xml :

<?xml version="1.0" encoding="utf-8"?>
<!--  res/drawable/rounded_edittext.xml -->
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle"
android:padding="8dip">
<solid android:color="#FFFFFF"/>
<corners
android:bottomRightRadius="10dip"
android:bottomLeftRadius="10dip"
android:topLeftRadius="10dip"
android:topRightRadius="10dip"/>
</shape>

rounded_edittext_focused.xml :

<?xml version="1.0" encoding="utf-8"?>
<!-- res/drawable/rounded_edittext_focused.xml -->
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle"
android:padding="8dip">
<solid android:color="#FFFFFF"/>
<stroke android:width="2dip" android:color="#999" />
<corners
android:bottomRightRadius="10dip"
android:bottomLeftRadius="10dip"
android:topLeftRadius="10dip"
android:topRightRadius="10dip"/>
</shape>

工程源码： http://download.csdn.net/source/3409407