android button 圆角与点击效果

方便以后复制 (直接复制在一个资源文件中就行了) ，就是偷懒 == 

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true">
        <shape
            android:shape="rectangle">

            <solid android:color="#50ff4200"/>

            <corners android:radius="5dp"/>

            <padding
                android:bottom="5dp"
                android:left="15dp"
                android:right="15dp"
                android:top="5dp">
            </padding>

        </shape>
    </item>
    <item android:state_pressed="false">
        <shape
            android:shape="rectangle">

            <solid android:color="#ff4200"/>

            <corners android:radius="5dp"/>

            <padding
                android:bottom="5dp"
                android:left="15dp"
                android:right="15dp"
                android:top="5dp">
            </padding>

        </shape>
    </item>
</selector>