中风的目的是什么
<ripple xmlns:android="http://schemas.android.com/apk/res/android"
android:color="@color/rippleEffectColor"
xmlns:tools="ht-- tp://schemas.android.com/tools"
tools:targetApi="lollipop">
<item>
<shape android:shape="rectangle">
<solid android:color="@color/signin"></solid>
<corners android:radius="4dp"></corners>
<stroke android:color="@color/yellow"></stroke>
</shape>
</item>
因为波纹效应是由android:colour="@colour/rippleEffectColor"