更新代码

.idea/misc.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="Android Studio default JDK" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="Android Studio default JDK" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/build.gradle

@@ -6,11 +6,11 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-kapt'
 //apply plugin: 'realm-android'
 android {
-    namespace 'com.navinfo.vivo'
+    namespace 'com.navinfo.volvo'
     compileSdk 32
 
     defaultConfig {
-        applicationId "com.navinfo.vivo"
+        applicationId "com.navinfo.volvo"
         minSdk 24
         targetSdk 32
         versionCode 1
@@ -74,4 +74,6 @@ dependencies {
 //    implementation "android.arch.lifecycle:extensions:1.1.1"
 //    annotationProcessor "android.arch.lifecycle:compiler:1.1.1"
     implementation 'com.tencent.wcdb:wcdb-android:1.1-19'
+    implementation 'com.google.code.gson:gson:2.10'
+    implementation 'com.yanzhenjie.recyclerview:x:1.3.2'
 }

app/src/androidTest/java/com/navinfo/volvo/ExampleInstrumentedTest.kt

@@ -1,4 +1,4 @@
-package com.navinfo.vivo
+package com.navinfo.volvo
 
 import androidx.test.platform.app.InstrumentationRegistry
 import androidx.test.ext.junit.runners.AndroidJUnit4
@@ -19,6 +19,6 @@ class ExampleInstrumentedTest {
     fun useAppContext() {
         // Context of the app under test.
         val appContext = InstrumentationRegistry.getInstrumentation().targetContext
-        assertEquals("com.navinfo.vivo", appContext.packageName)
+        assertEquals("com.navinfo.volvo", appContext.packageName)
     }
 }

app/src/main/AndroidManifest.xml

@@ -4,16 +4,17 @@
 
     <application
         android:allowBackup="true"
+        android:configChanges="locale"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/Theme.NavinfoVivo"
+        android:theme="@style/Theme.NavinfoVolvo"
         tools:targetApi="31">
         <activity
-            android:name=".MainActivity"
+            android:name="com.navinfo.volvo.MainActivity"
             android:exported="true"
             android:label="@string/app_name">
             <intent-filter>

app/src/main/java/com/navinfo/vivo/db/dao/entity/Attachment.kt

@@ -1,4 +0,0 @@
-package com.navinfo.vivo.db.dao.entity
-
-class Attachment {
-}

app/src/main/java/com/navinfo/vivo/db/dao/entity/Message.kt

@@ -1,44 +0,0 @@
-package com.navinfo.vivo.db.dao.entity
-
-import androidx.room.Entity
-import androidx.room.PrimaryKey
-
-@Entity(tableName = "message")
-class Message(
-    @PrimaryKey(autoGenerate = true)
-    var id: Long = 0,
-    /**
-     *标题
-     */
-    var title: String,
-    /**
-     * 信息内容
-     */
-    var message: String,
-    /**
-     * 操作时间
-     */
-    var optionDate: String,
-    /**
-     * 发送时间
-     */
-    var sendDate: String,
-    /**
-     * 信息状态
-     */
-    var status: Int,
-    /**
-     * 发送者ID
-     */
-    var fromId: String,
-    /**
-     * 接收者ID
-     */
-    var toId: String,
-    /**
-     * 附件列表
-     */
-    var attachment: MutableList<Attachment>
-) {
-
-}

app/src/main/java/com/navinfo/vivo/ui/home/HomeFragment.kt

@@ -1,42 +0,0 @@
-package com.navinfo.vivo.ui.home
-
-import android.os.Bundle
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import android.widget.TextView
-import androidx.fragment.app.Fragment
-import androidx.lifecycle.ViewModelProvider
-import com.navinfo.vivo.databinding.FragmentHomeBinding
-
-class HomeFragment : Fragment() {
-
-    private var _binding: FragmentHomeBinding? = null
-
-    // This property is only valid between onCreateView and
-    // onDestroyView.
-    private val binding get() = _binding!!
-
-    override fun onCreateView(
-        inflater: LayoutInflater,
-        container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View {
-        val homeViewModel =
-            ViewModelProvider(this).get(HomeViewModel::class.java)
-
-        _binding = FragmentHomeBinding.inflate(inflater, container, false)
-        val root: View = binding.root
-
-        val textView: TextView = binding.textHome
-        homeViewModel.text.observe(viewLifecycleOwner) {
-            textView.text = it
-        }
-        return root
-    }
-
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-}

app/src/main/java/com/navinfo/vivo/ui/home/HomeViewModel.kt

@@ -1,13 +0,0 @@
-package com.navinfo.vivo.ui.home
-
-import androidx.lifecycle.LiveData
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.ViewModel
-
-class HomeViewModel : ViewModel() {
-
-    private val _text = MutableLiveData<String>().apply {
-        value = "This is home Fragment"
-    }
-    val text: LiveData<String> = _text
-}

app/src/main/java/com/navinfo/volvo/MainActivity.kt

@@ -1,4 +1,4 @@
-package com.navinfo.vivo
+package com.navinfo.volvo
 
 import android.os.Bundle
 import com.google.android.material.bottomnavigation.BottomNavigationView
@@ -7,7 +7,8 @@ import androidx.navigation.findNavController
 import androidx.navigation.ui.AppBarConfiguration
 import androidx.navigation.ui.setupActionBarWithNavController
 import androidx.navigation.ui.setupWithNavController
-import com.navinfo.vivo.databinding.ActivityMainBinding
+import com.navinfo.volvo.R
+import com.navinfo.volvo.databinding.ActivityMainBinding
 
 class MainActivity : AppCompatActivity() {
 

app/src/main/java/com/navinfo/volvo/db/dao/MapLifeDataBase.java

@@ -1,4 +1,4 @@
-package com.navinfo.vivo.db.dao;
+package com.navinfo.volvo.db.dao;
 
 
 import android.content.Context;
@@ -10,7 +10,9 @@ import androidx.room.RoomDatabase;
 import androidx.sqlite.db.SupportSQLiteDatabase;
 import androidx.sqlite.db.SupportSQLiteOpenHelper;
 
-import com.navinfo.vivo.db.dao.entity.Message;
+import com.navinfo.volvo.db.dao.entity.Attachment;
+import com.navinfo.volvo.db.dao.entity.Message;
+import com.navinfo.volvo.db.dao.entity.User;
 import com.tencent.wcdb.database.SQLiteCipherSpec;
 import com.tencent.wcdb.database.SQLiteDatabase;
 
@@ -23,7 +25,7 @@ import com.tencent.wcdb.repair.BackupKit;
 import com.tencent.wcdb.repair.RecoverKit;
 import com.tencent.wcdb.room.db.WCDBDatabase;
 
-@Database(entities = {Message.class}, version = 1, exportSchema = false)
+@Database(entities = {Message.class, Attachment.class, User.class}, version = 1, exportSchema = false)
 public abstract class MapLifeDataBase extends RoomDatabase {
     // marking the instance as volatile to ensure atomic access to the variable
     /**

app/src/main/java/com/navinfo/volvo/db/dao/MessageDao.kt

@@ -1,10 +1,10 @@
-package com.navinfo.vivo.db.dao
+package com.navinfo.volvo.db.dao
 
 import androidx.room.Dao
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
 import androidx.room.Query
-import com.navinfo.vivo.db.dao.entity.Message
+import com.navinfo.volvo.db.dao.entity.Message
 
 @Dao
 interface MessageDao {

app/src/main/java/com/navinfo/volvo/db/dao/entity/Attachment.kt

@@ -0,0 +1,41 @@
+package com.navinfo.volvo.db.dao.entity
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import androidx.room.TypeConverter
+import com.google.gson.reflect.TypeToken
+import com.navinfo.volvo.tools.GsonUtil
+
+@Entity(tableName = "Attachment")
+data class Attachment(
+    @PrimaryKey()
+    var id: String
+)
+
+class AttachmentConverters() {
+    @TypeConverter
+    fun stringToAttachment(value: String): Attachment {
+        val type = object : TypeToken<Attachment>() {
+
+        }.type
+        return GsonUtil.getInstance().fromJson(value, type)
+    }
+
+    @TypeConverter
+    fun attachmentToString(attachment: Attachment): String {
+        return GsonUtil.getInstance().toJson(attachment)
+    }
+
+    @TypeConverter
+    fun listToString(list: MutableList<Attachment>): String {
+        return GsonUtil.getInstance().toJson(list)
+    }
+
+    @TypeConverter
+    fun stringToList(value: String): MutableList<Attachment> {
+        val type = object : TypeToken<MutableList<Attachment>>() {
+
+        }.type
+        return GsonUtil.getInstance().fromJson(value, type)
+    }
+}

app/src/main/java/com/navinfo/volvo/db/dao/entity/Message.kt

@@ -0,0 +1,46 @@
+package com.navinfo.volvo.db.dao.entity
+
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+import androidx.room.TypeConverters
+
+@Entity(tableName = "message")
+@TypeConverters(AttachmentConverters::class)
+data class Message @JvmOverloads constructor(
+    @PrimaryKey(autoGenerate = true)
+    var id: Long = 0,
+
+    var netId: String = "",
+    /**
+     *标题
+     */
+    var title: String = "",
+    /**
+     * 信息内容
+     */
+    var message: String = "",
+    /**
+     * 操作时间
+     */
+    var optionDate: String = "",
+    /**
+     * 发送时间
+     */
+    var sendDate: String = "",
+    /**
+     * 信息状态
+     */
+    var status: Int = 1,
+    /**
+     * 发送者ID
+     */
+    var fromId: String = "",
+    /**
+     * 接收者ID
+     */
+    var toId: String = "",
+    /**
+     * 附件列表
+     */
+    var attachment: MutableList<Attachment> = mutableListOf()
+)

app/src/main/java/com/navinfo/volvo/db/dao/entity/User.kt

@@ -1,13 +1,13 @@
-package com.navinfo.vivo.db.dao.entity
+package com.navinfo.volvo.db.dao.entity
 
+import androidx.room.Entity
 import androidx.room.PrimaryKey
-import java.net.IDN
 
-class User(
+@Entity(tableName = "User")
+data  class User(
     @PrimaryKey()
     val id:String,
     var name:String,
     var nickname:String,
 
-) {
+)
-}

app/src/main/java/com/navinfo/volvo/tools/DisplayUtil.kt

@@ -0,0 +1,44 @@
+package com.navinfo.volvo.tools
+
+import android.content.Context
+
+class DisplayUtil {
+    companion object {
+        /**
+         * 获取屏幕宽度
+         */
+        fun getScreenWidth(context: Context): Int {
+            return context.resources.displayMetrics.widthPixels
+        }
+
+        /**
+         * 获取屏幕高度
+         */
+        fun getScreenHeight(context: Context): Int {
+            return context.resources.displayMetrics.heightPixels
+        }
+
+        /**
+         * 获取屏幕分辨率
+         */
+        fun getScreenRatio(context: Context): String {
+            return getScreenHeight(context).toString() + "X" + getScreenWidth(context).toString()
+        }
+
+        /**
+         * dp转px
+         */
+        fun dip2px(context: Context, dipValue: Float): Int {
+            val scale = context.resources.displayMetrics.density
+            return (dipValue * scale + 0.5f).toInt()
+        }
+
+        /**
+         * px转dp
+         */
+        fun px2dip(context: Context, pxValue: Float): Int {
+            val scale = context.resources.displayMetrics.density
+            return (pxValue / scale + 0.5f).toInt()
+        }
+    }
+}

app/src/main/java/com/navinfo/volvo/tools/GsonUtil.kt

@@ -0,0 +1,13 @@
+package com.navinfo.volvo.tools
+
+import com.google.gson.Gson
+
+class GsonUtil {
+    companion object {
+        fun getInstance() = InstanceHelper.gson
+    }
+
+    object InstanceHelper {
+        val gson: Gson = Gson()
+    }
+}

app/src/main/java/com/navinfo/volvo/ui/adapter/MessageAdapter.kt

@@ -0,0 +1,54 @@
+package com.navinfo.volvo.ui.adapter
+
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageView
+import android.widget.TextView
+import androidx.recyclerview.widget.RecyclerView
+import com.navinfo.volvo.R
+import com.navinfo.volvo.db.dao.entity.Message
+
+class MessageAdapter : RecyclerView.Adapter<MessageAdapter.MyViewHolder>() {
+
+    var itemList: MutableList<Message> = mutableListOf()
+
+    fun addItem(message: Message) {
+        itemList.add(message)
+        notifyItemInserted(itemList.size - 1)
+    }
+
+    fun setItem(messageList: MutableList<Message>){
+        itemList = messageList
+        notifyDataSetChanged()
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MyViewHolder {
+        val view =
+            LayoutInflater.from(parent.context).inflate(R.layout.adapter_message, parent, false)
+        var viewHolder = MyViewHolder(view)
+        viewHolder.itemView.setOnClickListener {
+
+        }
+        return viewHolder
+    }
+
+    override fun onBindViewHolder(holder: MyViewHolder, position: Int) {
+        val message = itemList[position]
+        holder.toName.text = message.fromId
+        holder.messageText.text = message.message
+        holder.sendTime.text = message.sendDate
+    }
+
+    override fun getItemCount(): Int {
+        return itemList.size
+    }
+
+    inner class MyViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
+        var image: ImageView = itemView.findViewById(R.id.message_head_icon)
+        var toName: TextView = itemView.findViewById(R.id.message_to_username)
+        var sendTime: TextView = itemView.findViewById(R.id.message_send_time)
+        var status: TextView = itemView.findViewById(R.id.message_status)
+        var messageText: TextView = itemView.findViewById(R.id.message_text)
+    }
+}

app/src/main/java/com/navinfo/volvo/ui/dashboard/DashboardFragment.kt

@@ -1,4 +1,4 @@
-package com.navinfo.vivo.ui.dashboard
+package com.navinfo.volvo.ui.dashboard
 
 import android.os.Bundle
 import android.view.LayoutInflater
@@ -7,7 +7,7 @@ import android.view.ViewGroup
 import android.widget.TextView
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.ViewModelProvider
-import com.navinfo.vivo.databinding.FragmentDashboardBinding
+import com.navinfo.volvo.databinding.FragmentDashboardBinding
 
 class DashboardFragment : Fragment() {
 

app/src/main/java/com/navinfo/volvo/ui/dashboard/DashboardViewModel.kt

@@ -1,4 +1,4 @@
-package com.navinfo.vivo.ui.dashboard
+package com.navinfo.volvo.ui.dashboard
 
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData

app/src/main/java/com/navinfo/volvo/ui/home/HomeFragment.kt

@@ -0,0 +1,92 @@
+package com.navinfo.volvo.ui.home
+
+import android.os.Bundle
+import android.view.Display
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProvider
+import androidx.recyclerview.widget.DividerItemDecoration
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.navinfo.volvo.R
+import com.navinfo.volvo.databinding.FragmentHomeBinding
+import com.navinfo.volvo.tools.DisplayUtil
+import com.navinfo.volvo.ui.adapter.MessageAdapter
+import com.yanzhenjie.recyclerview.*
+import com.yanzhenjie.recyclerview.SwipeRecyclerView.LoadMoreListener
+
+class HomeFragment : Fragment(), OnItemClickListener, OnItemMenuClickListener {
+
+    private var _binding: FragmentHomeBinding? = null
+
+    // This property is only valid between onCreateView and
+    // onDestroyView.
+    private val binding get() = _binding!!
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        val homeViewModel =
+            ViewModelProvider(this).get(HomeViewModel::class.java)
+
+        _binding = FragmentHomeBinding.inflate(inflater, container, false)
+        val root: View = binding.root
+
+        val recyclerview: SwipeRecyclerView = binding.homeMessageRecyclerview
+        recyclerview.adapter = null //先设置null，否则会报错
+        //创建菜单选项
+        //注意：使用滑动菜单不能开启滑动删除，否则只有滑动删除没有滑动菜单
+        var mSwipeMenuCreator =
+            SwipeMenuCreator { _, rightMenu, position ->
+                //添加菜单自动添加至尾部
+                var deleteItem = SwipeMenuItem(context)
+                deleteItem.height = DisplayUtil.dip2px(context!!, 60f)
+                deleteItem.width = DisplayUtil.dip2px(context!!, 80f)
+                deleteItem.background = context!!.getDrawable(R.color.red)
+                deleteItem.text = context!!.getString(R.string.delete)
+                rightMenu.addMenuItem(deleteItem)
+
+                //分享
+                var shareItem = SwipeMenuItem(context)
+                shareItem.height = DisplayUtil.dip2px(context!!, 60f)
+                shareItem.width = DisplayUtil.dip2px(context!!, 80f)
+                shareItem.background = context!!.getDrawable(R.color.gray)
+                shareItem.text = context!!.getString(R.string.share)
+                shareItem.setTextColor(R.color.white)
+                rightMenu.addMenuItem(shareItem)
+
+
+            }
+        val layoutManager = LinearLayoutManager(context)
+        val adapter = MessageAdapter()
+        recyclerview.layoutManager = layoutManager
+        recyclerview.addItemDecoration(DividerItemDecoration(context, layoutManager.orientation))
+        recyclerview.setSwipeMenuCreator(mSwipeMenuCreator)
+        recyclerview.setOnItemClickListener(this)
+        recyclerview.useDefaultLoadMore()
+        recyclerview.setLoadMoreListener {
+
+        }
+        recyclerview.adapter = adapter
+        homeViewModel.getMessageList().observe(viewLifecycleOwner, Observer { contacts ->
+            adapter.setItem(contacts)
+        })
+        return root
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+
+    override fun onItemClick(view: View?, adapterPosition: Int) {
+
+    }
+
+    override fun onItemClick(menuBridge: SwipeMenuBridge?, adapterPosition: Int) {
+    }
+}

app/src/main/java/com/navinfo/volvo/ui/home/HomeViewModel.kt

@@ -0,0 +1,34 @@
+package com.navinfo.volvo.ui.home
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import com.navinfo.volvo.db.dao.entity.Message
+
+class HomeViewModel : ViewModel() {
+
+    private val messageList: LiveData<MutableList<Message>> =
+        MutableLiveData<MutableList<Message>>().apply {
+            value = mutableListOf<Message>()
+            value!!.add(Message())
+            value!!.add(Message())
+            value!!.add(Message())
+            value!!.add(Message())
+            value!!.add(Message())
+            value!!.add(Message())
+            value!!.add(Message())
+            value!!.add(Message())
+            value!!.add(Message())
+            value!!.add(Message())
+            value!!.add(Message())
+            value!!.add(Message())
+            value!!.add(Message())
+            value!!.add(Message())
+            value!!.add(Message())
+            value!!.add(Message())
+        }
+
+    fun getMessageList(): LiveData<MutableList<Message>> {
+        return messageList
+    }
+}

app/src/main/java/com/navinfo/volvo/ui/notifications/NotificationsFragment.kt

@@ -1,4 +1,4 @@
-package com.navinfo.vivo.ui.notifications
+package com.navinfo.volvo.ui.notifications
 
 import android.os.Bundle
 import android.view.LayoutInflater
@@ -7,7 +7,7 @@ import android.view.ViewGroup
 import android.widget.TextView
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.ViewModelProvider
-import com.navinfo.vivo.databinding.FragmentNotificationsBinding
+import com.navinfo.volvo.databinding.FragmentNotificationsBinding
 
 class NotificationsFragment : Fragment() {
 

app/src/main/java/com/navinfo/volvo/ui/notifications/NotificationsViewModel.kt

@@ -1,4 +1,4 @@
-package com.navinfo.vivo.ui.notifications
+package com.navinfo.volvo.ui.notifications
 
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData

app/src/main/java/com/navinfo/volvo/ui/widget/SlideRecyclerView.kt

@@ -0,0 +1,187 @@
+package com.navinfo.volvo.ui.widget
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.graphics.Rect
+import android.util.AttributeSet
+import android.view.*
+import android.widget.Scroller
+import androidx.core.view.forEach
+import androidx.recyclerview.widget.RecyclerView
+import java.lang.Math.abs
+
+class SlideRecyclerView @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = 0
+) : RecyclerView(context, attrs, defStyleAttr) {
+    //系统最小移动距离
+    private val mTouchSlop = ViewConfiguration.get(context).scaledTouchSlop
+
+    //最小有效速度
+    private val mMinVelocity = 600
+
+    //增加手势控制，双击快速完成侧滑
+    private var isDoubleClick = false
+    private var mGestureDetector: GestureDetector =
+        GestureDetector(context, object : GestureDetector.SimpleOnGestureListener() {
+            override fun onDoubleTap(e: MotionEvent?): Boolean {
+                e?.let { event ->
+                    getSelectItem(event)
+                    mItem?.let {
+                        val deleteWith = it.getChildAt(it.childCount - 1).width
+                        //触发移动至完全展开deleteWidth
+                        if (it.scrollX == 0) {
+                            mScroller.startScroll(0, 0, deleteWith, 0)
+                        } else {
+                            mScroller.startScroll(it.scrollX, 0, -it.scrollX, 0)
+                        }
+                        isDoubleClick = true
+                        invalidate()
+                        return true
+                    }
+                }
+                //不进行拦截，只作为工具判断下双击
+                return false
+            }
+        })
+
+    //使用速度控制器，增加侧滑速度判定滑动成功，
+    //VelocityTracker 由native实现，需要及时释放内存
+    private var mVelocityTracker: VelocityTracker? = null
+
+    //流畅滑动
+    private var mScroller = Scroller(context)
+
+    //当前选中item
+    private var mItem: ViewGroup? = null
+
+    //上次按下的横坐标
+    private var mLastX = 0f
+
+    //当前RecyclerView被上层ViewGroup分发到事件，所有事件都会通过dispatchTouchEvent给到
+    override fun dispatchTouchEvent(ev: MotionEvent?): Boolean {
+        mGestureDetector.onTouchEvent(ev)
+        return super.dispatchTouchEvent(ev)
+    }
+
+    //viewGroup对子控件的事件拦截，一旦拦截，后续事件序列不会再调用onInterceptTouchEvent
+    override fun onInterceptTouchEvent(e: MotionEvent?): Boolean {
+        e?.let {
+            when (e.action) {
+                MotionEvent.ACTION_DOWN -> {
+                    getSelectItem(e)
+                    mLastX = e.x
+                }
+                MotionEvent.ACTION_MOVE -> {
+                    //移动控件
+                    return moveItem(e)
+                }
+//                MotionEvent.ACTION_UP -> {
+//                    stopMove(e)
+//                }
+            }
+        }
+        return super.onInterceptTouchEvent(e)
+    }
+
+    @SuppressLint("ClickableViewAccessibility")
+    override fun onTouchEvent(e: MotionEvent?): Boolean {
+        e?.let {
+            when (e.action) {
+                MotionEvent.ACTION_MOVE -> {
+                    moveItem(e)
+                    mLastX = e.x
+                }
+                MotionEvent.ACTION_UP -> {
+                    stopMove()
+                }
+            }
+        }
+        return super.onTouchEvent(e)
+    }
+
+    //活动结束
+    //判断一下结束的位置,补充或恢复位置
+    private fun stopMove() {
+        mItem?.let {
+            //如果移动过半，判定左划成功
+            val deleteWidth = it.getChildAt(it.childCount - 1).width
+            //如果整个移动过程速度大于600，也判定滑动成功
+            //注意如果没有拦截ACTION_MOVE,mVelocityTracker是没有初始化的
+            var velocity = 0f
+            mVelocityTracker?.let { tracker ->
+                tracker.computeCurrentVelocity(1000)
+                velocity = tracker.xVelocity
+            }
+            //判断结束情况，移动过半或者向左速度很快都展开
+            if ((abs(it.scrollX) >= deleteWidth / 2f) || (velocity < -mMinVelocity)) {
+                //触发移动至完全展开
+                mScroller.startScroll(it.scrollX, 0, deleteWidth - it.scrollX, 0)
+                invalidate()
+            } else {
+                //如果移动未过半应恢复状态
+                mScroller.startScroll(it.scrollX, 0, -it.scrollX, 0)
+                invalidate()
+            }
+        }
+        //清除状态
+        mLastX = 0f
+        //mVeloctityTracker由native实现，需要及时释放
+        mVelocityTracker?.apply {
+            clear()
+            recycle()
+        }
+        mVelocityTracker = null
+    }
+
+    //移动Item
+    //绝对值小于删除按钮长度随便移动，大于则不移动
+    @SuppressLint("Recycle")
+    private fun moveItem(e: MotionEvent): Boolean {
+        mItem?.let {
+            val dx = mLastX - e.x
+            //最小的移动距离应该舍弃，onInterceptTouchEvent不拦截，onTouchEvent内才更新mLastX
+//            if (abs(dx) > mTouchSlop) {
+                //检查mItem移动后应该在【-deleteLength，0】内
+                val deleteWith = it.getChildAt(it.childCount - 1).width
+                if ((it.scrollX + dx) <= deleteWith && (it.scrollX + dx) >= 0) {
+                    //触发移动
+                    it.scrollBy(dx.toInt(), 0)
+                    //触发速度计算
+                    //这里Rectycle不存在问题，一旦返回true，就会拦截事件，就会到达ACTION_UP去回收
+                    mVelocityTracker = mVelocityTracker ?: VelocityTracker.obtain()
+                    mVelocityTracker!!.addMovement(e)
+                    return true
+//                }
+            }
+
+
+        }
+        return false
+    }
+
+    //获取点击位置
+    //通过点击的y坐标除以Item高度得出
+    private fun getSelectItem(e: MotionEvent) {
+        val frame = Rect()
+        mItem = null
+        forEach {
+            if (it.visibility != GONE) {
+                it.getHitRect(frame)
+                if (frame.contains(e.x.toInt(), e.y.toInt())) {
+                    mItem = it as ViewGroup
+                }
+            }
+        }
+    }
+
+    //流畅地滑动
+    override fun computeScroll() {
+        if (mScroller.computeScrollOffset()) {
+            mItem?.scrollBy(mScroller.currX, mScroller.currY)
+            postInvalidate()
+        }
+    }
+}
+

app/src/main/res/layout/activity_main.xml

@@ -4,7 +4,7 @@
     android:id="@+id/container"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:paddingTop="?attr/actionBarSize">
+   >
 
     <com.google.android.material.bottomnavigation.BottomNavigationView
         android:id="@+id/nav_view"
@@ -22,7 +22,7 @@
         android:id="@+id/nav_host_fragment_activity_main"
         android:name="androidx.navigation.fragment.NavHostFragment"
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
+        android:layout_height="0dp"
         app:defaultNavHost="true"
         app:layout_constraintBottom_toTopOf="@id/nav_view"
         app:layout_constraintLeft_toLeftOf="parent"

app/src/main/res/layout/adapter_message.xml

@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <ImageView
+        android:id="@+id/message_head_icon"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="8dp"
+        android:src="@mipmap/ic_launcher"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/message_to_username"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="8dp"
+        android:text="问候对象"
+        android:ellipsize="end"
+        android:textSize="16sp"
+        android:textStyle="bold"
+        app:layout_constraintLeft_toRightOf="@id/message_head_icon"
+        app:layout_constraintTop_toTopOf="@id/message_head_icon" />
+
+    <TextView
+        android:id="@+id/message_text"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="8dp"
+        android:text="信息内容"
+        app:layout_constraintBottom_toBottomOf="@id/message_head_icon"
+        app:layout_constraintLeft_toRightOf="@id/message_head_icon" />
+    <TextView
+        android:id="@+id/message_send_time"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginRight="8dp"
+        android:text="日期"
+        app:layout_constraintTop_toTopOf="@id/message_head_icon"
+        app:layout_constraintEnd_toEndOf="parent"
+        />
+    <TextView
+        android:id="@+id/message_status"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="8dp"
+        android:text="状态"
+        app:layout_constraintBottom_toBottomOf="@id/message_head_icon"
+        app:layout_constraintEnd_toEndOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/fragment_dashboard.xml

@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".ui.dashboard.DashboardFragment">
+    tools:context="com.navinfo.volvo.ui.dashboard.DashboardFragment">
 
     <TextView
         android:id="@+id/text_dashboard"

app/src/main/res/layout/fragment_home.xml

@@ -1,22 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<com.yanzhenjie.recyclerview.SwipeRecyclerView
+    android:id="@+id/home_message_recyclerview"
+    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"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".ui.home.HomeFragment">
+    tools:context=".ui.home.HomeFragment"
+   >
 
-    <TextView
+</com.yanzhenjie.recyclerview.SwipeRecyclerView>
-        android:id="@+id/text_home"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginStart="8dp"
-        android:layout_marginTop="8dp"
-        android:layout_marginEnd="8dp"
-        android:textAlignment="center"
-        android:textSize="20sp"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/navigation/mobile_navigation.xml

@@ -7,19 +7,19 @@
 
     <fragment
         android:id="@+id/navigation_home"
-        android:name="com.navinfo.vivo.ui.home.HomeFragment"
+        android:name="com.navinfo.volvo.ui.home.HomeFragment"
         android:label="@string/title_home"
         tools:layout="@layout/fragment_home" />
 
     <fragment
         android:id="@+id/navigation_dashboard"
-        android:name="com.navinfo.vivo.ui.dashboard.DashboardFragment"
+        android:name="com.navinfo.volvo.ui.dashboard.DashboardFragment"
         android:label="@string/title_dashboard"
         tools:layout="@layout/fragment_dashboard" />
 
     <fragment
         android:id="@+id/navigation_notifications"
-        android:name="com.navinfo.vivo.ui.notifications.NotificationsFragment"
+        android:name="com.navinfo.volvo.ui.notifications.NotificationsFragment"
         android:label="@string/title_notifications"
         tools:layout="@layout/fragment_notifications" />
 </navigation>

app/src/main/res/values-night/themes.xml

@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.NavinfoVivo" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.NavinfoVolvo" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_200</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>

app/src/main/res/values-zh-rCN/strings.xml

@@ -0,0 +1,8 @@
+<resources>
+    <string name="app_name">NavinfoVolvo</string>
+    <string name="title_home">Home</string>
+    <string name="title_dashboard">Dashboard</string>
+    <string name="title_notifications">Notifications</string>
+    <string name="delete">删除</string>
+    <string name="share">分享</string>
+</resources>

app/src/main/res/values/colors.xml

@@ -7,4 +7,6 @@
     <color name="teal_700">#FF018786</color>
     <color name="black">#FF000000</color>
     <color name="white">#FFFFFFFF</color>
+    <color name="red">#FFFF0000</color>
+    <color name="gray">#5E5E5E</color>
 </resources>

app/src/main/res/values/strings.xml

@@ -1,6 +1,8 @@
 <resources>
-    <string name="app_name">NavinfoVivo</string>
+    <string name="app_name">NavinfoVolvo</string>
     <string name="title_home">Home</string>
     <string name="title_dashboard">Dashboard</string>
     <string name="title_notifications">Notifications</string>
+    <string name="delete">Del</string>
+    <string name="share">Share</string>
 </resources>

app/src/main/res/values/themes.xml

@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.NavinfoVivo" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.NavinfoVolvo" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_500</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>

app/src/test/java/com/navinfo/volvo/ExampleUnitTest.kt

@@ -1,4 +1,4 @@
-package com.navinfo.vivo
+package com.navinfo.volvo
 
 import org.junit.Test
 

settings.gradle

@@ -24,5 +24,5 @@ dependencyResolutionManagement {
         mavenCentral()
     }
 }
-rootProject.name = "NavinfoVivo"
+rootProject.name = "NavinfoVolvo"
 include ':app'