Android selector控制TextView和Button按下效果

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true">
<color android:color="#48aeda"/>
</item>
<item android:state_focused="true">
<color android:color="#48aeda"/>
</item>
<item>
<color android:color="#ffffff"></color>
</item>
</selector>

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

<item android:state_selected="true">
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="#009af3" />
<stroke android:width="1dp" android:color="#009af3" />
</shape>
</item>
<item>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="#ffffff" />
<stroke android:width="1dp" android:color="#ffffff" />
</shape>
</item>

</selector>