drawable下创建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="@mipmap/image_top" />

 <item android:state_pressed="false" android:drawable="@mipmap/image_top_hly" /></selector>

imageview布局

<ImageView android:id="@+id/top"

 android:clickable="true" //注意要写这个，否则不起作用   app:layout_constraintTop_toTopOf="@id/direction_layout1" app:layout_constraintLeft_toLeftOf="@id/direction_layout1" app:layout_constraintRight_toRightOf="@id/direction_layout1" android:src="@drawable/top_selector_backgrand" android:layout_width="@dimen/dp_115" android:layout_height="@dimen/dp_45"/>