RecyclerView Adding Ripple Effect to RecyclerView item 实现recyclerView item长按的水波纹效果<?xml version="1.0" encoding="utf-8"?> <layout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools"> <data> <variable name="m" type="cn.lisok.rf.model.SettingItemModel" /> </data> <RelativeLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:background="?android:attr/selectableItemBackground" android:clickable="true" android:focusable="true" android:paddingStart="40dp" android:paddingEnd="40dp" android:paddingBottom="8dp"> <TextView android:id="@+id/textView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="24dp" android:layout_marginBottom="20dp" android:text="@{m.title,default=无障碍权限}" android:textColor="@color/black" /> <TextView android:id="@+id/textView2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignTop="@id/textView" android:layout_marginTop="24dp" android:maxWidth="250dp" android:text="@{m.desc,default=`依次点击:无障碍 > 已下载的应用 > ❤️真实好友`}" android:visibility="@{m.desc == null ? android.view.View.GONE : android.view.View.VISIBLE}" /> <com.google.android.material.switchmaterial.SwitchMaterial android:id="@+id/power" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentEnd="true" android:layout_centerVertical="true" android:layout_marginTop="8dp" android:layout_marginEnd="4dp" android:checked="true" android:visibility="@{m.showSwitch? android.view.View.VISIBLE: android.view.View.GONE}" /> </RelativeLayout> </layout>核心三行代码 添加给item的父布局android:background="?android:attr/selectableItemBackground" android:clickable="true" android:focusable="true"引用1.Adding Ripple Effect to RecyclerView item: https://stackoverflow.com/questions/30931889/adding-ripple-effect-to-recyclerview-item