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Android类似微信聊天的页面开发教程(Kotlin)三_android 仿微信聊天界面

作者：花生_TL007 | 2024-06-05 11:28:02

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android 仿微信聊天界面

 

前提条件

安装并配置好Android Studio

Android Studio Electric Eel | 2022.1.1 Patch 2
Build #AI-221.6008.13.2211.9619390, built on February 17, 2023
Runtime version: 11.0.15+0-b2043.56-9505619 amd64
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
Windows 11 10.0
GC: G1 Young Generation, G1 Old Generation
Memory: 1280M
Cores: 6
Registry:
    external.system.auto.import.disabled=true
    ide.text.editor.with.preview.show.floating.toolbar=false
    ide.balloon.shadow.size=0
 
Non-Bundled Plugins:
    com.intuit.intellij.makefile (1.0.15)
    com.github.setial (4.0.2)
    com.alayouni.ansiHighlight (1.2.4)
    GsonOrXmlFormat (2.0)
    GLSL (1.19)
    com.mistamek.drawablepreview.drawable-preview (1.1.5)
    com.layernet.plugin.adbwifi (1.0.5)
    com.likfe.ideaplugin.eventbus3 (2020.0.2)

gradle-wrapper.properties

  1. #Tue Apr 25 13:34:44 CST 2023
  2. distributionBase=GRADLE_USER_HOME
  3. distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
  4. distributionPath=wrapper/dists
  5. zipStorePath=wrapper/dists
  6. zipStoreBase=GRADLE_USER_HOME

build.gradle(:Project)

  1. // Top-level build file where you can add configuration options common to all sub-projects/modules.
  2. plugins {
  3.     id 'com.android.application' version '7.3.1' apply false
  4.     id 'com.android.library' version '7.3.1' apply false
  5.     id 'org.jetbrains.kotlin.android' version '1.7.20' apply false
  6. }


setting.gradle

  1. pluginManagement {
  2.     repositories {
  3.         google()
  4.         mavenCentral()
  5.         gradlePluginPortal()
  6.         maven { url 'https://jitpack.io' }
  7.     }
  8. }
  9. dependencyResolutionManagement {
  10.     repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
  11.     repositories {
  12.         google()
  13.         mavenCentral()
  14.         gradlePluginPortal()
  15.         maven { url 'https://jitpack.io' }
  16.     }
  17. }
  18. rootProject.name = "logindemo"
  19. include ':app'

build.gralde(:app)

  1. plugins {
  2.     id 'com.android.application'
  3.     id 'org.jetbrains.kotlin.android'
  4. }
  5.  
  6. android {
  7.     namespace 'com.example.fechat'
  8.     compileSdk 33
  9.  
  10.     defaultConfig {
  11.         applicationId "com.example.fechat"
  12.         minSdk 26
  13.         targetSdk 33
  14.         versionCode 1
  15.         versionName "1.0"
  16.     }
  17.  
  18.     buildTypes {
  19.         release {
  20.             minifyEnabled false
  21.             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
  22.         }
  23.     }
  24.     compileOptions {
  25.         sourceCompatibility JavaVersion.VERSION_11
  26.         targetCompatibility JavaVersion.VERSION_11
  27.     }
  28.     kotlinOptions {
  29.         jvmTarget = '1.8'
  30.     }
  31. }
  32.  
  33. dependencies {
  34.  
  35.     implementation 'androidx.core:core-ktx:1.7.0'
  36.     implementation 'androidx.appcompat:appcompat:1.6.1'
  37.     implementation 'com.google.android.material:material:1.8.0'
  38.     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
  39.  
  40.     // 沉浸式状态栏 https://github.com/gyf-dev/ImmersionBar
  41.     implementation 'com.gyf.immersionbar:immersionbar:3.0.0'
  42.     implementation 'com.gyf.immersionbar:immersionbar-components:3.0.0' // fragment快速实现（可选）
  43.     implementation 'com.gyf.immersionbar:immersionbar-ktx:3.0.0' // kotlin扩展（可选）
  44.     implementation 'com.google.code.gson:gson:2.8.9'
  45. }

对Kotlin语言有基本了解

内容在前一篇博客中写了基础配置，如果本篇内容看不懂，可以先去上一篇。

增加聊天页面

activity_message.xml中 标题+内容RecyclerView+底部输入框+发送

  1. <?xml version="1.0" encoding="utf-8"?>
  2. <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  3.     android:layout_width="match_parent"
  4.     android:layout_height="match_parent"
  5.     android:fitsSystemWindows="true">
  6.  
  7.     <RelativeLayout
  8.         android:id="@+id/titleLayout"
  9.         android:layout_width="match_parent"
  10.         android:layout_height="50dp"
  11.         android:background="@color/title">
  12.  
  13.         <TextView
  14.             android:id="@+id/backTv"
  15.             android:layout_width="wrap_content"
  16.             android:layout_height="wrap_content"
  17.             android:text="返回"
  18.             android:textSize="16sp"
  19.             android:textColor="#000000"
  20.             android:padding="10dp"
  21.             android:layout_centerVertical="true"
  22.             android:layout_marginStart="15dp"/>
  23.  
  24.         <TextView
  25.             android:id="@+id/userName"
  26.             android:layout_width="wrap_content"
  27.             android:layout_height="wrap_content"
  28.             android:text="用户X"
  29.             android:textSize="16sp"
  30.             android:textColor="#000000"
  31.             android:layout_centerInParent="true"/>
  32.  
  33.     </RelativeLayout>
  34.  
  35.  
  36.     <androidx.recyclerview.widget.RecyclerView
  37.         android:id="@+id/itemView"
  38.         android:layout_width="match_parent"
  39.         android:layout_height="match_parent"
  40.         android:background="@color/white"
  41.         android:layout_below="@+id/titleLayout"
  42.         android:layout_above="@+id/messageLayout"/>
  43.  
  44.     <RelativeLayout
  45.         android:id="@+id/messageLayout"
  46.         android:layout_width="match_parent"
  47.         android:layout_height="wrap_content"
  48.         android:layout_alignParentBottom="true"
  49.         android:background="#F6F6F6"
  50.         android:gravity="center_vertical">
  51.  
  52.         <EditText
  53.             android:id="@+id/inputText"
  54.             android:layout_width="match_parent"
  55.             android:layout_height="40dp"
  56.             android:background="@drawable/message_text_shape"
  57.             android:layout_toStartOf="@+id/sendText"
  58.             android:layout_marginStart="16dp"
  59.             android:layout_marginTop="6dp"
  60.             android:layout_marginEnd="6dp"
  61.             android:layout_marginBottom="6dp"
  62.             android:padding="10dp"
  63.             android:maxLines="1"
  64.             android:singleLine="true"
  65.             android:textSize="16sp"
  66.             android:textColor="#000000"/>
  67.  
  68.         <TextView
  69.             android:id="@+id/sendText"
  70.             android:layout_width="70dp"
  71.             android:layout_height="40dp"
  72.             android:background="@drawable/message_send_shape"
  73.             android:layout_alignParentEnd="true"
  74.             android:layout_marginStart="6dp"
  75.             android:layout_marginTop="6dp"
  76.             android:layout_marginEnd="16dp"
  77.             android:layout_marginBottom="6dp"
  78.             android:textSize="16sp"
  79.             android:textColor="@color/white"
  80.             android:text="发送"
  81.             android:gravity="center"/>
  82.     </RelativeLayout>
  83.  
  84. </RelativeLayout>
  1. package com.example.fechat.activity
  2.  
  3. import android.annotation.SuppressLint
  4. import android.os.Bundle
  5. import android.widget.EditText
  6. import android.widget.TextView
  7. import androidx.appcompat.app.AppCompatActivity
  8. import androidx.recyclerview.widget.LinearLayoutManager
  9. import androidx.recyclerview.widget.RecyclerView
  10. import com.example.fechat.R
  11. import com.example.fechat.adapter.ChatAdapter
  12. import com.example.fechat.bean.ChatBean
  13. import com.example.fechat.bean.MessageBean
  14. import com.google.gson.Gson
  15. import com.gyf.immersionbar.ImmersionBar
  16.  
  17. class MessageActivity : AppCompatActivity() {
  18.     private val beans: MutableList<MessageBean> = ArrayList()
  19.     private var adapter: ChatAdapter? = null
  20.     private lateinit var itemView: RecyclerView
  21.     private lateinit var chatBean: ChatBean
  22.  
  23.     override fun onCreate(savedInstanceState: Bundle?) {
  24.         super.onCreate(savedInstanceState)
  25.         ImmersionBar.with(this)
  26.             .statusBarDarkFont(true)
  27.             .statusBarColor(R.color.title)
  28.             .navigationBarColor(R.color.white)
  29.             .navigationBarDarkIcon(true)
  30.             .init()
  31.         setContentView(R.layout.activity_message)
  32.         val backTv = findViewById<TextView>(R.id.backTv)
  33.         val inputText: EditText = findViewById(R.id.inputText)
  34.         val sendText: TextView = findViewById(R.id.sendText)
  35.         val userName: TextView = findViewById(R.id.userName)
  36.         backTv.setOnClickListener {
  37.             finish()
  38.         }
  39.         sendText.setOnClickListener {
  40.             sendText(inputText.text.toString())
  41.         }
  42.         initItemRecyclerView()
  43.         getBundle()
  44.         userName.text = chatBean.nick
  45.     }
  46.  
  47.     private fun getBundle() {
  48.         val userInfo = intent.getStringExtra("UserInfo")
  49.         chatBean = Gson().fromJson(userInfo, ChatBean::class.java)
  50.     }
  51.  
  52.     private fun initItemRecyclerView() {
  53.         itemView = findViewById(R.id.itemView)
  54.         val layoutManager = LinearLayoutManager(this)
  55.         layoutManager.orientation = RecyclerView.VERTICAL
  56.         itemView.layoutManager = layoutManager
  57.         adapter = ChatAdapter(beans)
  58.         itemView.adapter = adapter
  59.     }
  60.  
  61.     @SuppressLint("NotifyDataSetChanged")
  62.     private fun sendText(message: String) {
  63.         beans.add(
  64.             MessageBean(
  65.                 message,
  66.                 "用户",
  67.                 false,
  68.                 System.currentTimeMillis()
  69.             )
  70.         )
  71.         beans.add(
  72.             MessageBean(
  73.                 message,
  74.                 chatBean.nick,
  75.                 true,
  76.                 System.currentTimeMillis(),
  77.                 true
  78.             )
  79.         )
  80.         adapter?.notifyDataSetChanged()
  81.     }
  82. }

制作聊天适配器

适配器的xml中，分为两部分 主用户发送消息，同时接收聊天对象的消息

  1. <?xml version="1.0" encoding="utf-8"?>
  2. <RelativeLayout
  3. 	xmlns:android="http://schemas.android.com/apk/res/android"
  4. 	android:layout_width="match_parent"
  5. 	android:layout_height="wrap_content"
  6. 	xmlns:app="http://schemas.android.com/apk/res-auto">
  7.  
  8. 	<RelativeLayout
  9. 		android:id="@+id/userLayout"
  10. 		android:layout_width="match_parent"
  11. 		android:layout_height="wrap_content"
  12. 		android:layout_marginStart="30dp"
  13. 		android:layout_marginTop="10dp">
  14.  
  15. 		<com.example.fechat.view.CircleImageView
  16. 			android:id="@+id/userHead"
  17. 			android:layout_width="46dp"
  18. 			android:layout_height="46dp"
  19. 			android:src="@mipmap/ic_ai_user"
  20. 			android:layout_alignParentEnd="true"/>
  21.  
  22. 		<androidx.constraintlayout.widget.ConstraintLayout
  23. 			android:id="@+id/messageLayout"
  24. 			android:layout_width="wrap_content"
  25. 			android:layout_height="wrap_content"
  26. 			android:layout_toStartOf="@+id/userHead"
  27. 			android:layout_marginEnd="12dp">
  28.  
  29. 			<TextView
  30. 				android:id="@+id/userMessage"
  31. 				android:layout_width="wrap_content"
  32. 				android:layout_height="wrap_content"
  33. 				app:layout_constraintTop_toTopOf="parent"
  34. 				app:layout_constraintEnd_toEndOf="parent"
  35. 				android:background="@drawable/message_user_shape"
  36. 				android:textSize="16sp"
  37. 				android:textColor="@color/black"
  38. 				android:paddingStart="15dp"
  39. 				android:paddingEnd="15dp"
  40. 				android:paddingTop="20dp"
  41. 				android:paddingBottom="20dp"
  42. 				android:text="请推荐"
  43. 				android:textIsSelectable="true"/>
  44.  
  45. 			<TextView
  46. 				android:id="@+id/userTime"
  47. 				android:layout_width="wrap_content"
  48. 				android:layout_height="wrap_content"
  49. 				app:layout_constraintTop_toBottomOf="@+id/userMessage"
  50. 				app:layout_constraintStart_toStartOf="parent"
  51. 				android:text="22:32"
  52. 				android:textColor="#B1B1B1"
  53. 				android:textSize="14sp"
  54. 				android:layout_marginTop="8dp"/>
  55.  
  56. 		</androidx.constraintlayout.widget.ConstraintLayout>
  57.  
  58. 	</RelativeLayout>
  59.  
  60. 	<RelativeLayout
  61. 		android:id="@+id/respLayout"
  62. 		android:layout_width="match_parent"
  63. 		android:layout_height="wrap_content"
  64. 		android:layout_marginEnd="30dp"
  65. 		android:layout_marginTop="10dp"
  66. 		android:visibility="gone">
  67.  
  68. 		<com.example.fechat.view.CircleImageView
  69. 			android:id="@+id/respHead"
  70. 			android:layout_width="46dp"
  71. 			android:layout_height="46dp"
  72. 			android:src="@mipmap/ic_ai_user"/>
  73.  
  74. 		<androidx.constraintlayout.widget.ConstraintLayout
  75. 			android:layout_width="wrap_content"
  76. 			android:layout_height="wrap_content"
  77. 			android:layout_toEndOf="@+id/respHead"
  78. 			android:layout_marginStart="12dp">
  79.  
  80. 			<RelativeLayout
  81. 				android:id="@+id/respMessageLayout"
  82. 				android:layout_width="wrap_content"
  83. 				android:layout_height="wrap_content"
  84. 				app:layout_constraintStart_toStartOf="parent"
  85. 				app:layout_constraintTop_toTopOf="parent"
  86. 				android:background="@drawable/message_ai_shape">
  87.  
  88. 				<TextView
  89. 					android:id="@+id/respMessage"
  90. 					android:layout_width="wrap_content"
  91. 					android:layout_height="wrap_content"
  92. 					android:textSize="16sp"
  93. 					android:textColor="@color/black"
  94. 					android:paddingStart="15dp"
  95. 					android:paddingEnd="15dp"
  96. 					android:paddingTop="20dp"
  97. 					android:paddingBottom="20dp"
  98. 					android:text="小猪佩奇"
  99. 					android:textIsSelectable="true"/>
  100.  
  101. 				<ImageView
  102. 					android:id="@+id/respImage"
  103. 					android:layout_width="220dp"
  104. 					android:layout_height="160dp"
  105. 					android:layout_below="@+id/respMessage"
  106. 					android:scaleType="center"
  107. 					android:layout_marginStart="20dp"
  108. 					android:layout_marginEnd="20dp"
  109. 					android:layout_marginBottom="20dp"
  110. 					android:visibility="gone"/>
  111.  
  112. 			</RelativeLayout>
  113. 			<TextView
  114. 				android:id="@+id/respTime"
  115. 				android:layout_width="wrap_content"
  116. 				android:layout_height="wrap_content"
  117. 				android:text="22:32"
  118. 				android:textColor="#B1B1B1"
  119. 				android:textSize="14sp"
  120. 				android:layout_marginTop="8dp"
  121. 				app:layout_constraintEnd_toEndOf="parent"
  122. 				app:layout_constraintTop_toBottomOf="@+id/respMessageLayout"/>
  123.  
  124. 		</androidx.constraintlayout.widget.ConstraintLayout>
  125. 	</RelativeLayout>
  126.  
  127. </RelativeLayout>
  1. package com.example.fechat.adapter
  2.  
  3. import android.view.LayoutInflater
  4. import android.view.View
  5. import android.view.ViewGroup
  6. import android.widget.ImageView
  7. import android.widget.RelativeLayout
  8. import android.widget.TextView
  9. import androidx.recyclerview.widget.RecyclerView
  10. import androidx.recyclerview.widget.RecyclerView.Adapter
  11. import com.example.fechat.R
  12. import com.example.fechat.bean.MessageBean
  13. import com.example.fechat.view.CircleImageView
  14. import java.text.SimpleDateFormat
  15. import java.util.*
  16.  
  17. class ChatAdapter(private val data: List<MessageBean>) : Adapter<ChatAdapter.BaseHolder>() {
  18.  
  19.     private fun getTime(time: Long): String {
  20.         val sDateFormat = SimpleDateFormat("MM-dd HH:mm", Locale.getDefault())
  21.         return sDateFormat.format(time)
  22.     }
  23.  
  24.     class BaseHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
  25.         val userLayout: RelativeLayout = itemView.findViewById(R.id.userLayout)
  26.         val userHead: CircleImageView = itemView.findViewById(R.id.userHead)
  27.         val userMessage: TextView = itemView.findViewById(R.id.userMessage)
  28.         val userTime: TextView = itemView.findViewById(R.id.userTime)
  29.  
  30.         val respLayout: RelativeLayout = itemView.findViewById(R.id.respLayout)
  31.         val respHead: CircleImageView = itemView.findViewById(R.id.respHead)
  32.         val respMessage: TextView = itemView.findViewById(R.id.respMessage)
  33.         val respTime: TextView = itemView.findViewById(R.id.respTime)
  34.         val respImage: ImageView = itemView.findViewById(R.id.respImage)
  35.     }
  36.  
  37.     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): BaseHolder {
  38.         val view = LayoutInflater.from(parent.context).inflate(R.layout.item_message, null, false);
  39.         return BaseHolder(view)
  40.     }
  41.  
  42.     override fun getItemCount(): Int {
  43.         return data.size
  44.     }
  45.  
  46.     override fun onBindViewHolder(holder: BaseHolder, position: Int) {
  47.         val item = data[position]
  48.         if (item.isResponse) {
  49.             holder.respLayout.visibility = View.VISIBLE
  50.             holder.userLayout.visibility = View.GONE
  51.             holder.respMessage.text = item.message
  52.             holder.respTime.text = getTime(item.time)
  53.         } else {
  54.             holder.userLayout.visibility = View.VISIBLE
  55.             holder.respLayout.visibility = View.GONE
  56.             holder.userMessage.text = item.message
  57.             holder.userTime.text = getTime(item.time)
  58.         }
  59.     }
  60. }

聊天内容适配器中的data数据结构如下：

  1. package com.example.fechat.bean
  2.  
  3. data class MessageBean(
  4.     var message: String,
  5.     var userName: String,
  6.     var isResponse: Boolean = false,
  7.     var time: Long,
  8.     var isSuccess: Boolean = true
  9. )

其中首页用户聊天列表中的data修改，主要是data转化为string方便intent传输，如下：

  1. package com.example.fechat.bean
  2.  
  3. data class ChatBean(
  4.     val head: String, val nick: String,
  5.     val newest: String, val date: String
  6. ) {
  7.     override fun toString(): String {
  8.         return "{head:$head,nick:$nick,newest:$newest,date:$date}"
  9.     }
  10. }

首页用户聊天记录的适配器作如下修改，主要是增加了适配器点击事件监听器：

  1. package com.example.fechat.base
  2.  
  3. import android.view.LayoutInflater
  4. import android.view.View
  5. import android.view.ViewGroup
  6. import android.widget.TextView
  7. import androidx.recyclerview.widget.RecyclerView
  8. import com.example.fechat.R
  9. import com.example.fechat.bean.ChatBean
  10.  
  11. class BaseAdapter(private val data: List<ChatBean>) :
  12.     RecyclerView.Adapter<BaseAdapter.BaseHolder>() {
  13.  
  14.     private lateinit var onItemClickListener: OnItemClickListener
  15.     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): BaseHolder {
  16.         val view = LayoutInflater.from(parent.context).inflate(R.layout.base_item, null, false);
  17.         return BaseHolder(view)
  18.     }
  19.  
  20.     override fun getItemCount(): Int {
  21.         return data.size
  22.     }
  23.  
  24.     override fun onBindViewHolder(holder: BaseHolder, position: Int) {
  25.         holder.headTv.visibility = if (data[position].head.isEmpty()) View.GONE else View.VISIBLE
  26.         holder.nickTv.visibility = if (data[position].nick.isEmpty()) View.GONE else View.VISIBLE
  27.         holder.newestTv.visibility =
  28.             if (data[position].newest.isEmpty()) View.GONE else View.VISIBLE
  29.         holder.dateTv.visibility = if (data[position].date.isEmpty()) View.GONE else View.VISIBLE
  30.  
  31.         holder.headTv.text = data[position].head
  32.         holder.nickTv.text = data[position].nick
  33.         holder.newestTv.text = data[position].newest
  34.         holder.dateTv.text = data[position].date
  35.  
  36.         holder.itemView.setOnClickListener {
  37.             onItemClickListener.onItemClick(holder.itemView, position)
  38.         }
  39.     }
  40.  
  41.     class BaseHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
  42.         val headTv: TextView = itemView.findViewById(R.id.headTv)
  43.         val nickTv: TextView = itemView.findViewById(R.id.nickTv)
  44.         val newestTv: TextView = itemView.findViewById(R.id.newestTv)
  45.         val dateTv: TextView = itemView.findViewById(R.id.dateTv)
  46.     }
  47.  
  48.     fun setOnItemClickListener(onItemClickListener: OnItemClickListener) {
  49.         this.onItemClickListener = onItemClickListener
  50.     }
  51.  
  52.     interface OnItemClickListener {
  53.         fun onItemClick(view: View, position: Int)
  54.     }
  55.  
  56. }

点击跳转到聊天页面

  1. package com.example.fechat.fragment
  2.  
  3. import android.content.Intent
  4. import android.os.Bundle
  5. import android.view.LayoutInflater
  6. import android.view.View
  7. import android.view.ViewGroup
  8. import androidx.fragment.app.Fragment
  9. import androidx.recyclerview.widget.LinearLayoutManager
  10. import androidx.recyclerview.widget.RecyclerView
  11. import com.example.fechat.R
  12. import com.example.fechat.activity.MessageActivity
  13. import com.example.fechat.base.BaseAdapter
  14. import com.example.fechat.bean.ChatBean
  15.  
  16. class ChatFragment : Fragment() {
  17.  
  18.     private lateinit var recyclerView: RecyclerView
  19.  
  20.     override fun onCreateView(
  21.         inflater: LayoutInflater, container: ViewGroup?,
  22.         savedInstanceState: Bundle?
  23.     ): View? {
  24.         val view = inflater.inflate(R.layout.fragment_chat, container, false)
  25.         recyclerView = view.findViewById(R.id.recyclerView)
  26.         val data = ArrayList<ChatBean>()
  27.         data.add(ChatBean("头像0", "用户0", "聊天记录0", "4月25日"))
  28.         data.add(ChatBean("头像1", "用户1", "聊天记录1", "4月24日"))
  29.         data.add(ChatBean("头像2", "用户2", "聊天记录2", "4月23日"))
  30.         data.add(ChatBean("头像3", "用户3", "聊天记录3", "4月22日"))
  31.         data.add(ChatBean("头像4", "用户4", "聊天记录4", "4月21日"))
  32.         data.add(ChatBean("头像5", "用户5", "聊天记录5", "4月20日"))
  33.         data.add(ChatBean("头像6", "用户6", "聊天记录6", "4月19日"))
  34.         data.add(ChatBean("头像7", "用户7", "聊天记录7", "4月18日"))
  35.         data.add(ChatBean("头像8", "用户8", "聊天记录8", "4月17日"))
  36.         data.add(ChatBean("头像9", "用户9", "聊天记录9", "4月16日"))
  37.         recyclerView.layoutManager = LinearLayoutManager(context)
  38.         val baseAdapter = BaseAdapter(data)
  39.         recyclerView.adapter = baseAdapter
  40.         baseAdapter.setOnItemClickListener(object : BaseAdapter.OnItemClickListener {
  41.             override fun onItemClick(view: View, position: Int) {
  42.                 val intent = Intent(context, MessageActivity::class.java)
  43.                 intent.putExtra("UserInfo", data[position].toString())
  44.                 startActivity(intent)
  45.             }
  46.         })
  47.         return view
  48.     }
  49. }

开源地址

FeChat: 模仿微信

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