drawable文件

 

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android"><item android:drawable="@drawable/log_button_bgok" android:state_focused="true"/><item android:drawable="@drawable/log_button_bgok" android:state_pressed="true"/><item android:drawable="@drawable/log_button_bgok" android:state_selected="true"/><item android:drawable="@drawable/log_button_bgok" android:state_checked="true"/><item android:drawable="@drawable/log_button_bg"/></selector>

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android"><item android:state_selected="false" android:drawable="@drawable/tab_my"/><item android:state_selected="true" android:drawable="@drawable/tab_my_pre"/>
</selector>

 

layout.xml引用

<ImageViewandroid:id="@+id/imagetest"android:layout_width="30dp"android:layout_height="30dp"android:src="@drawable/tabhost_center_shape" />

activity 调用样式

ImageView imageView;

imageView =(ImageView)findViewById(R.id.imagetest);
imageView.setSelected(true);