波纹效果超过imageview

问题描述

为了描述我的问题，我创建了一个小例子.

To describe my problem i created small example.

我有imageview和textview的linearlayout.对于linearlayout，我将可绘制的涟漪设置为背景.但是，当我单击或长时间单击linearlayout时，纹波动画会显示在imageview下.如何在imageview上显示动画?

I have linearlayout with imageview and textview. For linearlayout i've set ripple drawable as background. But when i click or long click on linearlayout ripple animation shows under imageview. How show animation over imageview ?

main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <LinearLayout
        android:id="@+id/linear"
        android:layout_width="200dp"
        android:layout_height="200dp"
        android:background="@drawable/ripple"
        android:clickable="true"
        android:orientation="vertical">

        <ImageView
            android:layout_width="match_parent"
            android:layout_height="100dp"
            android:src="@mipmap/index" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="This is ripple test"
            android:textColor="#FF00FF00" />
    </LinearLayout>

</android.support.constraint.ConstraintLayout>

drawable-v21/ripple.xml:

<?xml version="1.0" encoding="utf-8"?>
<ripple
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:color="#FFFF0000">
    <item>
        <shape android:shape="rectangle">
            <solid android:color="#FF000000"/>
        </shape>
    </item>
</ripple>

drawable/ripple.xml:

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_pressed="true">
        <shape android:shape="rectangle">
            <corners android:radius="3dp" />
            <solid android:color="#FFFF0000" />
        </shape>
    </item>
    <item android:state_focused="true">
        <shape android:shape="rectangle">
            <corners android:radius="3dp" />
            <solid android:color="#FFFF0000" />
        </shape>
    </item>
    <item>
        <shape android:shape="rectangle">
            <corners android:radius="3dp" />
            <solid android:color="#FF000000" />
        </shape>
    </item>
</selector>

截屏现在的样子:

推荐答案

为ImageView

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