在此Item项布局文件中添加android:background="@drawable/list_selector"
list_selector.xml:
<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_pressed="true" android:drawable="@drawable/list_selector_background_focus" /> <item android:state_selected="true" android:drawable="@drawable/list_selector_background_focus" /> <item android:state_focused="true" android:drawable="@drawable/list_selector_background_focus" /> <!-- default drawable --> <item android:drawable="@drawable/list_selector_background" /> </selector>