增加sharde数据存储功能，记录登录用户

优化页面跳转动画
增加message删除流程

app/build.gradle

@@ -2,9 +2,10 @@ plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
     id 'kotlin-android'
-    id 'kotlin-parcelize'
+    id 'kotlin-parcelize' // 序列化
     id 'kotlin-kapt'
-    id 'dagger.hilt.android.plugin'
+    id 'dagger.hilt.android.plugin' //hilt 依赖注入
+    id "com.google.protobuf" version "0.8.17" //Proto DataStore 插件
 //    id 'com.google.dagger.hilt.android'
 }
 
@@ -82,7 +83,7 @@ dependencies {
 
     //room 数据库相关
     implementation 'com.tencent.wcdb:room:1.1-19'  // 代替 room-runtime，同时也不需要再引用 wcdb-android
-    api 'androidx.sqlite:sqlite:2.2.0'
+    implementation 'androidx.sqlite:sqlite-ktx:2.2.0'
     implementation 'androidx.room:room-runtime:2.4.3'
     implementation 'androidx.room:room-ktx:2.4.3'
     annotationProcessor 'androidx.room:room-compiler:2.4.3'
@@ -90,13 +91,12 @@ dependencies {
     kapt 'android.arch.persistence.room:compiler:1.1.1'// compiler 需要用 room 的
     kapt 'androidx.room:room-compiler:2.4.3'
     kapt 'androidx.room:room-ktx:2.4.3'
+
     //分页加载
     implementation "androidx.room:room-paging:2.4.3"
     implementation "androidx.paging:paging-runtime-ktx:3.1.1"
 
     androidTestImplementation "android.arch.persistence.room:testing:1.1.1"
-//    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'
 
 
@@ -107,29 +107,20 @@ dependencies {
 
     //带侧滑的自定义列表
     implementation 'com.yanzhenjie.recyclerview:x:1.3.2'
-//    implementation 'androidx.appcompat:appcompat:1.5.1'
+    //下拉刷新，上拉加载
-
+    implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"
-//    // Koin
-//    implementation("io.insert-koin:koin-android:3.3.2")
-//    implementation("io.insert-koin:koin-core:3.3.2")
 
     // Retrofit 网络请求相关
     implementation("com.squareup.retrofit2:retrofit:2.9.0")
     implementation("com.squareup.retrofit2:converter-gson:2.9.0")
     implementation("com.squareup.retrofit2:converter-gson:2.9.0")
-//    const val chuck = "com.readystatesoftware.chuck:library:${Versions.chuck}"
-//    const val chuckNoOp = "com.readystatesoftware.chuck:library-no-op:${Versions.chuck}"
     implementation("com.squareup.okhttp3:okhttp:4.9.0")
     implementation("com.squareup.okhttp3:logging-interceptor:4.9.0")
     implementation("com.google.code.gson:gson:2.8.6")
 
-
     //hilt
     implementation "com.google.dagger:hilt-android:2.41"
     kapt "com.google.dagger:hilt-compiler:2.41"
-//    implementation "androidx.hilt:hilt-lifecycle-viewmodel:1.0.0-alpha03"
-//    androidTestImplementation "com.google.dagger:hilt-android-testing:2.41"
-//    kaptAndroidTest "com.google.dagger:hilt-android-compiler:2.41"
 
     // 显示错误提示 https://github.com/nhaarman/supertooltips
     implementation 'com.nhaarman.supertooltips:library:3.0.0'
@@ -153,6 +144,31 @@ dependencies {
     implementation 'com.github.JagarYousef:ChatVoicePlayer:1.1.0'
     // 图片查看器 https://github.com/XiaoGe-1996/ImageViewer
     implementation 'com.github.XiaoGe-1996:ImageViewer:v1.0.0'
+
+    // 数据存储 Preferences DataStore 键值对
+    implementation "androidx.datastore:datastore-preferences:1.0.0"
+    // 数据存储 Proto DataStore 对象
+    implementation "androidx.datastore:datastore-core:1.0.0"
+    implementation  "com.google.protobuf:protobuf-javalite:3.18.0"
+}
+
+//Proto DataStore 数据存储插件
+protobuf {
+    protoc {
+        artifact = "com.google.protobuf:protoc:3.14.0"
+    }
+    // Generates the java Protobuf-lite code for the Protobufs in this project. See
+    // https://github.com/google/protobuf-gradle-plugin#customizing-protobuf-compilation
+    // for more information.
+    generateProtoTasks {
+        all().each { task ->
+            task.builtins {
+                java {
+                    option 'lite'
+                }
+            }
+        }
+    }
 }
 
 kapt {

app/src/main/AndroidManifest.xml

@@ -24,14 +24,15 @@
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
         android:icon="@mipmap/volvo_logo_small"
-        android:requestLegacyExternalStorage="true"
         android:label="@string/app_name"
+        android:requestLegacyExternalStorage="true"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.NavinfoVolvo"
         android:usesCleartextTraffic="true">
         <activity
             android:name=".ui.message.MessageActivity"
+            android:configChanges="orientation"
             android:exported="false"
             android:label="@string/title_activity_second"
             android:screenOrientation="portrait"
@@ -54,6 +55,8 @@
         <meta-data
             android:name="android.app.lib_name"
             android:value="" />
-        <meta-data android:name="ScopedStorage" android:value="true" />
+        <meta-data
+            android:name="ScopedStorage"
+            android:value="true" />
     </application>
 </manifest>

app/src/main/java/com/navinfo/volvo/database/MapLifeDataBase.java

@@ -1,191 +0,0 @@
-//package com.navinfo.volvo.database;
-//
-//
-//import android.content.Context;
-//
-//import androidx.annotation.NonNull;
-//import androidx.room.Database;
-//import androidx.room.Room;
-//import androidx.room.RoomDatabase;
-//import androidx.sqlite.db.SupportSQLiteDatabase;
-//import androidx.sqlite.db.SupportSQLiteOpenHelper;
-//
-//import com.navinfo.volvo.database.dao.MessageDao;
-//import com.navinfo.volvo.database.dao.UserDao;
-//import com.navinfo.volvo.database.entity.Message;
-//import com.navinfo.volvo.database.entity.Attachment;
-//import com.navinfo.volvo.database.entity.User;
-//import com.tencent.wcdb.database.SQLiteCipherSpec;
-//import com.tencent.wcdb.database.SQLiteDatabase;
-//
-//import com.tencent.wcdb.room.db.WCDBOpenHelperFactory;
-//
-//import android.os.AsyncTask;
-//import android.util.Log;
-//
-//import com.tencent.wcdb.repair.BackupKit;
-//import com.tencent.wcdb.repair.RecoverKit;
-//import com.tencent.wcdb.room.db.WCDBDatabase;
-//
-//@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
-//    /**
-//     * 数据库单例对象
-//     */
-//    private static volatile MapLifeDataBase INSTANCE;
-//
-//    /**
-//     * 要素数据库类
-//     */
-//    public abstract MessageDao getMessageDao();
-//
-//    public abstract UserDao getUserDao();
-//
-//    /**
-//     * 数据库秘钥
-//     */
-//    private final static String DB_PASSWORD = "123456";
-//
-//    public static MapLifeDataBase getDatabase(final Context context, final String name) {
-//        if (INSTANCE == null) {
-//            synchronized (MapLifeDataBase.class) {
-//                if (INSTANCE == null) {
-//                    // [WCDB] To use Room library with WCDB, pass a WCDBOpenHelper factory object
-//                    // to the database builder with .openHelperFactory(...). In the factory object,
-//                    // you can specify passphrase and cipher options to open or create encrypted
-//                    // database, as well as optimization options like asynchronous checkpoint.
-//                    SQLiteCipherSpec cipherSpec = new SQLiteCipherSpec()
-//                            .setPageSize(1024)
-//                            .setSQLCipherVersion(3);
-//                    WCDBOpenHelperFactory factory = new WCDBOpenHelperFactory()
-//                            .passphrase(DB_PASSWORD.getBytes())  // passphrase to the database, remove this line for plain-text
-//                            .cipherSpec(cipherSpec)               // cipher to use, remove for default settings
-//                            .writeAheadLoggingEnabled(true)       // enable WAL mode, remove if not needed
-//                            .asyncCheckpointEnabled(true);            // enable asynchronous checkpoint, remove if not needed
-//
-//                    INSTANCE = Room.databaseBuilder(context.getApplicationContext(), MapLifeDataBase.class, name)
-//
-//                            // [WCDB] Specify open helper to use WCDB database implementation instead
-//                            // of the Android framework.
-//                            .openHelperFactory((SupportSQLiteOpenHelper.Factory) factory)
-//
-//                            // Wipes and rebuilds instead of migrating if no Migration object.
-//                            // Migration is not part of this codelab.
-//                            .fallbackToDestructiveMigration().addCallback(sRoomDatabaseCallback).build();
-//                }
-//            }
-//        }
-//        return INSTANCE;
-//    }
-//
-//    /**
-//     * Override the onOpen method to populate the database.
-//     * For this sample, we clear the database every time it is created or opened.
-//     * <p>
-//     * If you want to populate the database only when the database is created for the 1st time,
-//     * override RoomDatabase.Callback()#onCreate
-//     */
-//    private static Callback sRoomDatabaseCallback = new Callback() {
-//
-//        @Override
-//        public void onOpen(@NonNull SupportSQLiteDatabase db) {
-//            super.onOpen(db);
-//            // If you want to keep the data through app restarts,
-//            // comment out the following line.
-//            new PopulateDbAsync(INSTANCE).execute();
-//        }
-//    };
-//
-//    /**
-//     * Populate the database in the background.
-//     * If you want to start with more words, just add them.
-//     */
-//    private static class PopulateDbAsync extends AsyncTask<Void, Void, Void> {
-//
-//        private final MessageDao messageDao;
-//
-//        PopulateDbAsync(MapLifeDataBase db) {
-//            messageDao = db.getMessageDao();
-//        }
-//
-//        @Override
-//        protected Void doInBackground(final Void... params) {
-//            // Start the app with a clean database every time.
-//            // Not needed if you only populate on creation.
-//            //mDao.deleteAll();
-//            Log.e("qj", "doInBackground");
-//            return null;
-//        }
-//    }
-//
-//    /**
-//     * 数据恢复
-//     */
-//    protected boolean recoverData() {
-//        if (INSTANCE != null) {
-//            SQLiteDatabase sqlite = ((WCDBDatabase) INSTANCE.getOpenHelper().getWritableDatabase()).getInnerDatabase();
-//            RecoverKit recover = new RecoverKit(sqlite,                         // 要恢复到的目标 DB
-//                    sqlite.getPath() + "-backup",   // 备份文件
-//                    DB_PASSWORD.getBytes()           // 加密备份文件的密钥，非 DB 密钥
-//            );
-//            int result = recover.run(false);    // fatal 参数传 false 表示遇到错误忽略并继续，
-//            // 若传 true 遇到错误则中止并返回 FAILED
-//            switch (result) {
-//                case RecoverKit.RESULT_OK:
-//                    /* 成功 */
-//                    Log.e("qj", "sRoomDatabaseCallback==RecoverKit成功");
-//                    return true;
-//                case RecoverKit.RESULT_CANCELED: /* 取消操作 */
-//                    Log.e("qj", "sRoomDatabaseCallback==RecoverKit取消操作");
-//                    break;
-//                case RecoverKit.RESULT_FAILED: /* 失败 */
-//                    Log.e("qj", "sRoomDatabaseCallback==RecoverKit失败");
-//                    break;
-//
-//            }
-//
-//            recover.release();
-//        }
-//
-//        return false;
-//    }
-//
-//    /**
-//     * 备份数据
-//     */
-//    protected boolean backup() {
-//        Log.e("qj", "sRoomDatabaseCallback===backup==start");
-//        if (INSTANCE != null) {
-//            //备份文件
-//            SQLiteDatabase sqlite = ((WCDBDatabase) INSTANCE.getOpenHelper().getWritableDatabase()).getInnerDatabase();
-//            BackupKit backup = new BackupKit(sqlite,                         // 要备份的 DB
-//                    sqlite.getPath() + "-backup",   // 备份文件
-//                    "123456".getBytes(),          // 加密备份文件的密钥，非 DB 密钥
-//                    0, null);
-//            int result = backup.run();
-//            switch (result) {
-//                case BackupKit.RESULT_OK:
-//                    /* 成功 */
-//                    Log.e("qj", "sRoomDatabaseCallback==成功");
-//                    return true;
-//                case BackupKit.RESULT_CANCELED:
-//                    /* 取消操作 */
-//                    Log.e("qj", "sRoomDatabaseCallback==取消操作");
-//                    break;
-//                case BackupKit.RESULT_FAILED:
-//                    /* 失败 */
-//                    Log.e("qj", "sRoomDatabaseCallback==失败");
-//                    break;
-//            }
-//
-//            backup.release();
-//        }
-//        Log.e("qj", "sRoomDatabaseCallback===backup==end");
-//        return false;
-//    }
-//
-//    protected void release() {
-//        INSTANCE = null;
-//    }
-//}

app/src/main/java/com/navinfo/volvo/database/dao/GreetingMessageDao.kt

@@ -8,13 +8,18 @@ import kotlinx.coroutines.flow.Flow
 @Dao
 interface GreetingMessageDao {
 
+    @Query("DELETE from GreetingMessage WHERE id=:id")
+    suspend fun deleteById(id: Long)
+
     @Insert
-    fun insert(message: GreetingMessage): Long
+    suspend fun insert(message: GreetingMessage): Long
 
     @Update(onConflict = OnConflictStrategy.REPLACE)
-    fun update(message: GreetingMessage)
+    suspend fun update(message: GreetingMessage)
-
 
+    /**
+     * 未读消息统计
+     */
     @Query("SELECT count(id) FROM GreetingMessage WHERE read = 0")
     fun countUnreadByFlow(): Flow<Long>
 
@@ -28,17 +33,22 @@ interface GreetingMessageDao {
      * 检查某条数据是否存在
      */
     @Query("SELECT id From GreetingMessage WHERE id = :id LIMIT 1")
-    fun getMessageId(id: Long): Long
+    suspend fun getMessageId(id: Long): Long
 
+    /**
+     *
+     */
     @Transaction
     suspend fun insertOrUpdate(list: List<GreetingMessage>) {
         for (message in list) {
             val id = getMessageId(message.id)
             if (id == 0L) {
                 insert(message)
-            }else{
+            } else {
                 update(message)
             }
         }
     }
+
+
 }

app/src/main/java/com/navinfo/volvo/di/module/NetworkUtilModule.kt

@@ -22,6 +22,7 @@ import javax.inject.Singleton
 @Module
 class NetworkUtilModule {
 
+
     @Provides
     @Singleton
     fun provideContext(application: Application): Context {

app/src/main/java/com/navinfo/volvo/di/module/UtilModule.kt

@@ -1,7 +1,13 @@
 package com.navinfo.volvo.di.module
 
 import android.content.Context
-import com.navinfo.volvo.util.SharedPreferenceHelper
+import androidx.datastore.core.DataStore
+import androidx.datastore.core.DataStoreFactory
+import androidx.datastore.core.Serializer
+import androidx.datastore.dataStoreFile
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.preferencesDataStore
+import com.navinfo.volvo.model.proto.LoginUser
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
@@ -14,7 +20,12 @@ class UtilModule {
 
     @Provides
     @Singleton
-    fun provideSharedPreferencesHelper(context: Context): SharedPreferenceHelper {
+    fun provideLoginUserDataStore(
-        return SharedPreferenceHelper.getInstance(context)
+        context: Context,
-    }
+        serializer: Serializer<LoginUser>
+    ): DataStore<LoginUser> = DataStoreFactory.create(
+        serializer = serializer,
+        produceFile = { context.dataStoreFile("login_user") }
+    )
+
 }

app/src/main/java/com/navinfo/volvo/di/module/UtilRepositoryModule.kt

@@ -0,0 +1,22 @@
+package com.navinfo.volvo.di.module
+
+import androidx.datastore.core.Serializer
+import com.navinfo.volvo.model.proto.LoginUser
+import com.navinfo.volvo.model.proto.LoginUserSerializer
+import com.navinfo.volvo.repository.preferences.PreferencesRepository
+import com.navinfo.volvo.repository.preferences.PreferencesRepositoryImp
+import dagger.Binds
+import dagger.Module
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+@InstallIn(SingletonComponent::class)
+@Module
+abstract class UtilRepositoryModule {
+    @Binds
+    abstract fun providePreferencesRepository(preferencesRepositoryImp: PreferencesRepositoryImp): PreferencesRepository
+
+    @Binds
+    abstract fun userLocalSerializer(impl: LoginUserSerializer): Serializer<LoginUser>
+}

app/src/main/java/com/navinfo/volvo/di/module/ViewModelFactory.kt

@@ -1,35 +1,35 @@
-package com.navinfo.volvo.di.module
+//package com.navinfo.volvo.di.module
-
+//
-import androidx.lifecycle.ViewModel
+//import androidx.lifecycle.ViewModel
-import androidx.lifecycle.ViewModelProvider
+//import androidx.lifecycle.ViewModelProvider
-import javax.inject.Inject
+//import javax.inject.Inject
-import javax.inject.Provider
+//import javax.inject.Provider
-import javax.inject.Singleton
+//import javax.inject.Singleton
-
+//
-
+//
-/**
+///**
- * Factory for all ViewModels.
+// * Factory for all ViewModels.
- * reference : https://github.com/googlesamples/android-architecture-components
+// * reference : https://github.com/googlesamples/android-architecture-components
- */
+// */
-@Singleton
+//@Singleton
-class ViewModelFactory @Inject constructor(
+//class ViewModelFactory @Inject constructor(
-    private val viewModelMap: Map<Class<out ViewModel>, @JvmSuppressWildcards Provider<ViewModel>>
+//    private val viewModelMap: Map<Class<out ViewModel>, @JvmSuppressWildcards Provider<ViewModel>>
-) : ViewModelProvider.Factory {
+//) : ViewModelProvider.Factory {
-
+//
-    @Suppress("UNCHECKED_CAST")
+//    @Suppress("UNCHECKED_CAST")
-    override fun <T : ViewModel> create(modelClass: Class<T>): T {
+//    override fun <T : ViewModel> create(modelClass: Class<T>): T {
-        var viewModel = viewModelMap[modelClass]
+//        var viewModel = viewModelMap[modelClass]
-
+//
-        if (viewModel == null) {
+//        if (viewModel == null) {
-            for (entry in viewModelMap) {
+//            for (entry in viewModelMap) {
-                if (modelClass.isAssignableFrom(entry.key)) {
+//                if (modelClass.isAssignableFrom(entry.key)) {
-                    viewModel = entry.value
+//                    viewModel = entry.value
-                    break
+//                    break
-                }
+//                }
-            }
+//            }
-        }
+//        }
-
+//
-        if (viewModel == null) throw IllegalArgumentException("Unknown model class $modelClass")
+//        if (viewModel == null) throw IllegalArgumentException("Unknown model class $modelClass")
-        return viewModel.get() as T
+//        return viewModel.get() as T
-    }
+//    }
-}
+//}

app/src/main/java/com/navinfo/volvo/di/module/ViewModelModule.kt

@@ -1,44 +1,44 @@
-package com.navinfo.volvo.di.module
+//package com.navinfo.volvo.di.module
-
+//
-import androidx.lifecycle.ViewModel
+//import androidx.lifecycle.ViewModel
-import androidx.lifecycle.ViewModelProvider
+//import androidx.lifecycle.ViewModelProvider
-import com.navinfo.volvo.di.key.ViewModelKey
+//import com.navinfo.volvo.di.key.ViewModelKey
-import com.navinfo.volvo.ui.MainActivityViewModel
+//import com.navinfo.volvo.ui.MainActivityViewModel
-import com.navinfo.volvo.ui.fragments.home.HomeViewModel
+//import com.navinfo.volvo.ui.fragments.home.HomeViewModel
-import com.navinfo.volvo.ui.fragments.login.LoginViewModel
+//import com.navinfo.volvo.ui.fragments.login.LoginViewModel
-import com.navinfo.volvo.ui.fragments.message.ObtainMessageViewModel
+//import com.navinfo.volvo.ui.fragments.message.ObtainMessageViewModel
-import dagger.Binds
+//import dagger.Binds
-import dagger.Module
+//import dagger.Module
-import dagger.hilt.InstallIn
+//import dagger.hilt.InstallIn
-import dagger.hilt.components.SingletonComponent
+//import dagger.hilt.components.SingletonComponent
-import dagger.multibindings.IntoMap
+//import dagger.multibindings.IntoMap
-
+//
-@InstallIn(SingletonComponent::class)
+//@InstallIn(SingletonComponent::class)
-@Module
+//@Module
-abstract class ViewModelModule {
+//abstract class ViewModelModule {
-
+//
-    @Binds
+//    @Binds
-    abstract fun bindViewModelFactory(viewModelFactory: ViewModelFactory): ViewModelProvider.Factory
+//    abstract fun bindViewModelFactory(viewModelFactory: ViewModelFactory): ViewModelProvider.Factory
-
+//
-    @IntoMap
+//    @IntoMap
-    @Binds
+//    @Binds
-    @ViewModelKey(MainActivityViewModel::class)
+//    @ViewModelKey(MainActivityViewModel::class)
-    abstract fun bindMainViewModel(viewModel: MainActivityViewModel): ViewModel
+//    abstract fun bindMainViewModel(viewModel: MainActivityViewModel): ViewModel
-
+//
-    @IntoMap
+//    @IntoMap
-    @Binds
+//    @Binds
-    @ViewModelKey(LoginViewModel::class)
+//    @ViewModelKey(LoginViewModel::class)
-    abstract fun bindLoginFragmentViewModel(viewModel: LoginViewModel): ViewModel
+//    abstract fun bindLoginFragmentViewModel(viewModel: LoginViewModel): ViewModel
-
+//
-    @IntoMap
+//    @IntoMap
-    @Binds
+//    @Binds
-    @ViewModelKey(HomeViewModel::class)
+//    @ViewModelKey(HomeViewModel::class)
-    abstract fun bindMessageFragmentViewModel(viewModel: HomeViewModel): ViewModel
+//    abstract fun bindMessageFragmentViewModel(viewModel: HomeViewModel): ViewModel
-
+//
-    @IntoMap
+//    @IntoMap
-    @Binds
+//    @Binds
-    @ViewModelKey(ObtainMessageViewModel::class)
+//    @ViewModelKey(ObtainMessageViewModel::class)
-    abstract fun bindObtainMessageFragmentViewModel(viewModel: ObtainMessageViewModel): ViewModel
+//    abstract fun bindObtainMessageFragmentViewModel(viewModel: ObtainMessageViewModel): ViewModel
-
+//
-
+//
-}
+//}

app/src/main/java/com/navinfo/volvo/model/LoginUser.kt

@@ -1,9 +0,0 @@
-package com.navinfo.volvo.model
-
-/**
- * 登录用户信息
- */
-data class LoginUser(
-    var name: String,
-    var password: String
-)

app/src/main/java/com/navinfo/volvo/model/network/NetworkMessageListResponse.kt

@@ -1,8 +1,8 @@
-package com.navinfo.volvo.model.messagelist
+package com.navinfo.volvo.model.network
 
 import com.navinfo.volvo.database.entity.GreetingMessage
 
 data class NetworkMessageListResponse(
     val total: Int,
-    val rows: List<GreetingMessage>
+    val rows: List<GreetingMessage>?
 )

app/src/main/java/com/navinfo/volvo/model/network/NetworkPosts.kt

@@ -1,4 +1,4 @@
-package com.navinfo.volvo.model.messagelist
+package com.navinfo.volvo.model.network
 
 data class NetworkMessageListPost(
     val name: String,//问候名称，非必填项
@@ -12,4 +12,8 @@ data class NetworkMessageListPost(
     constructor(who: String, toWho: String) : this("", who, toWho, "", "", "10", "1") {
 
     }
-}
+}
+
+data class NetworkDeleteMessagePost(
+    val id: Long
+)

app/src/main/java/com/navinfo/volvo/model/proto/LoginUserSerializer.kt

@@ -0,0 +1,22 @@
+package com.navinfo.volvo.model.proto
+
+import androidx.datastore.core.CorruptionException
+import androidx.datastore.core.Serializer
+import androidx.datastore.preferences.protobuf.InvalidProtocolBufferException
+import java.io.InputStream
+import java.io.OutputStream
+import javax.inject.Inject
+
+class LoginUserSerializer @Inject constructor(): Serializer<LoginUser> {
+    override val defaultValue: LoginUser = LoginUser.getDefaultInstance()
+
+    override suspend fun readFrom(input: InputStream): LoginUser {
+        try {
+            return LoginUser.parseFrom(input)
+        } catch (exception: InvalidProtocolBufferException) {
+            throw CorruptionException("Cannot read proto.", exception)
+        }
+    }
+
+    override suspend fun writeTo(t: LoginUser, output: OutputStream) = t.writeTo(output)
+}

app/src/main/java/com/navinfo/volvo/repository/database/DatabaseRepositoryImp.kt

@@ -11,12 +11,14 @@ import javax.inject.Inject
 
 class DatabaseRepositoryImp @Inject constructor(
     private val messageDao: GreetingMessageDao,
-    private val database: AppDatabase
 ) : DatabaseRepository {
     companion object {
         const val PAGE_SIZE = 20
     }
 
+    /**
+     * 分页加载消息
+     */
     override fun getMessageByPaging(): Flow<PagingData<GreetingMessage>> {
         return Pager(PagingConfig(PAGE_SIZE)) {
             messageDao.findAllByDataSource()

app/src/main/java/com/navinfo/volvo/repository/network/NetworkRepository.kt

@@ -1,13 +1,22 @@
 package com.navinfo.volvo.repository.network
 
 import com.navinfo.volvo.http.DefaultResponse
-import com.navinfo.volvo.model.messagelist.NetworkMessageListPost
+import com.navinfo.volvo.model.network.NetworkDeleteMessagePost
-import com.navinfo.volvo.model.messagelist.NetworkMessageListResponse
+import com.navinfo.volvo.model.network.NetworkMessageListPost
+import com.navinfo.volvo.model.network.NetworkMessageListResponse
 import com.navinfo.volvo.util.NetResult
 
 /**
  * 网络访问接口
  */
-interface NetworkRepository  {
+interface NetworkRepository {
-    suspend fun getCardList(message: NetworkMessageListPost): NetResult<DefaultResponse<NetworkMessageListResponse>>
+    /**
+     * 获取问候列表
+     */
+    suspend fun getMessageList(message: NetworkMessageListPost): NetResult<DefaultResponse<NetworkMessageListResponse>>
+
+    /**
+     *删除问候
+     */
+    suspend fun deleteMessage(message: NetworkDeleteMessagePost): NetResult<DefaultResponse<*>>
 }

app/src/main/java/com/navinfo/volvo/repository/network/NetworkRepositoryImp.kt

@@ -1,11 +1,12 @@
 package com.navinfo.volvo.repository.network
 
+import com.google.gson.Gson
 import com.navinfo.volvo.database.dao.GreetingMessageDao
 import com.navinfo.volvo.di.scope.IoDispatcher
 import com.navinfo.volvo.http.DefaultResponse
-import com.navinfo.volvo.model.messagelist.NetworkMessageListPost
+import com.navinfo.volvo.model.network.NetworkDeleteMessagePost
-import com.navinfo.volvo.model.messagelist.NetworkMessageListResponse
+import com.navinfo.volvo.model.network.NetworkMessageListPost
-import com.navinfo.volvo.tools.GsonUtil
+import com.navinfo.volvo.model.network.NetworkMessageListResponse
 import com.navinfo.volvo.util.NetResult
 import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.withContext
@@ -16,22 +17,47 @@ import javax.inject.Inject
 
 class NetworkRepositoryImp @Inject constructor(
     private val netWorkService: NetworkService,
-    private val messageDao: GreetingMessageDao,
+    private val gson: Gson,
     @IoDispatcher private val ioDispatcher: CoroutineDispatcher
 ) : NetworkRepository {
-
+    /**
-    override suspend fun getCardList(message: NetworkMessageListPost): NetResult<DefaultResponse<NetworkMessageListResponse>> =
+     * 获取问候列表
+     */
+    override suspend fun getMessageList(message: NetworkMessageListPost): NetResult<DefaultResponse<NetworkMessageListResponse>> =
         withContext(ioDispatcher) {
             return@withContext try {
-                val stringBody = GsonUtil.getInstance().toJson(message)
+                val stringBody = gson.toJson(message)
                     .toRequestBody("application/json;charset=utf-8".toMediaType())
-                val result = netWorkService.queryCardListByApp(stringBody)
+                val result = netWorkService.queryMessageListByApp(stringBody)
                 if (result.isSuccessful) {
-                    val body = result.body()
+                    if (result.body()!!.code == 200) {
-                    if(body!!.data != null && body.data!!.rows != null){
+                        NetResult.Success(result.body())
-                        messageDao.insertOrUpdate(body.data!!.rows)
+                    } else {
+                        NetResult.Failure(result.body()!!.code, result.body()!!.msg)
+                    }
+                } else {
+                    NetResult.Success(null)
+                }
+            } catch (e: Exception) {
+                NetResult.Error(e)
+            }
+        }
+
+    /**
+     * 删除问候
+     */
+    override suspend fun deleteMessage(message: NetworkDeleteMessagePost): NetResult<DefaultResponse<*>> =
+        withContext(ioDispatcher) {
+            return@withContext try {
+                val stringBody = gson.toJson(message)
+                    .toRequestBody("application/json;charset=utf-8".toMediaType())
+                val result = netWorkService.deleteMessage(stringBody)
+                if (result.isSuccessful) {
+                    if (result.body()!!.code == 200) {
+                        NetResult.Success(result.body())
+                    } else {
+                        NetResult.Failure(result.body()!!.code, result.body()!!.msg)
                     }
-                    NetResult.Success(body)
                 } else {
                     NetResult.Success(null)
                 }

app/src/main/java/com/navinfo/volvo/repository/network/NetworkService.kt

@@ -1,13 +1,23 @@
 package com.navinfo.volvo.repository.network
 
 import com.navinfo.volvo.http.DefaultResponse
-import com.navinfo.volvo.model.messagelist.NetworkMessageListResponse
+import com.navinfo.volvo.model.network.NetworkMessageListResponse
 import okhttp3.RequestBody
 import retrofit2.Response
 import retrofit2.http.Body
 import retrofit2.http.POST
 
 interface NetworkService {
+    /**
+     * 获取问候列表
+     */
     @POST("/navi/cardDelivery/queryCardListByApp")
-    suspend fun queryCardListByApp(@Body body: RequestBody): Response<DefaultResponse<NetworkMessageListResponse>>
+    suspend fun queryMessageListByApp(@Body body: RequestBody): Response<DefaultResponse<NetworkMessageListResponse>>
+
+    /**
+     * 删除问候
+     */
+    @POST("/navi/cardDelivery/deleteCardByApp")
+    suspend fun deleteMessage(@Body body: RequestBody): Response<DefaultResponse<*>>
+
 }

app/src/main/java/com/navinfo/volvo/repository/preferences/PreferencesRepository.kt

@@ -0,0 +1,16 @@
+package com.navinfo.volvo.repository.preferences
+
+import com.navinfo.volvo.model.proto.LoginUser
+import kotlinx.coroutines.flow.Flow
+
+/**
+ * 数据库操作接口
+ */
+interface PreferencesRepository {
+    suspend fun saveLoginUser(id: String, name: String, password: String)
+    fun loginUser(): Flow<LoginUser?>
+    suspend fun saveString(key: String, content: String)
+    suspend fun getString(key: String): Flow<String?>
+    suspend fun saveInt(key: String, content: Int)
+    suspend fun getInt(key: String): Flow<Int?>
+}

app/src/main/java/com/navinfo/volvo/repository/preferences/PreferencesRepositoryImp.kt

@@ -0,0 +1,58 @@
+package com.navinfo.volvo.repository.preferences
+
+import android.content.Context
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.core.intPreferencesKey
+import androidx.datastore.preferences.core.stringPreferencesKey
+import androidx.datastore.preferences.preferencesDataStore
+import com.navinfo.volvo.model.proto.LoginUser
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import javax.inject.Inject
+
+
+const val DataStore_NAME = "ShardPreferences"
+val Context.datastore: DataStore<Preferences> by preferencesDataStore(name = DataStore_NAME)
+
+class PreferencesRepositoryImp @Inject constructor(
+    private val context: Context,
+    private val loginUser: DataStore<LoginUser>
+) : PreferencesRepository {
+
+    companion object {
+        val NAME = stringPreferencesKey("NAME")
+        val PHONE_NUMBER = stringPreferencesKey("PHONE")
+        val address = stringPreferencesKey("ADDRESS")
+    }
+
+    override suspend fun saveLoginUser(id: String, name: String, password: String) {
+        loginUser.updateData { preference ->
+            preference.toBuilder().setUsername(name).setPassword(password).build()
+        }
+    }
+
+    override suspend fun saveString(key: String, content: String) {
+        context.datastore.edit {
+            it[stringPreferencesKey(key)] = content
+        }
+    }
+
+    override suspend fun getString(key: String): Flow<String?> = context.datastore.data.map {
+        it[stringPreferencesKey(key)]
+    }
+
+    override suspend fun saveInt(key: String, content: Int) {
+        context.datastore.edit {
+            it[intPreferencesKey(key)] = content
+        }
+    }
+
+    override suspend fun getInt(key: String): Flow<Int?> = context.datastore.data.map {
+        it[intPreferencesKey(key)]
+    }
+
+    override fun loginUser(): Flow<LoginUser?> = loginUser.data
+
+}

app/src/main/java/com/navinfo/volvo/ui/BaseActivity.kt

@@ -6,6 +6,6 @@ import androidx.lifecycle.ViewModelProvider
 import javax.inject.Inject
 
 abstract class BaseActivity : AppCompatActivity() {
-    @Inject
+//    @Inject
-    lateinit var viewModelFactoryProvider: ViewModelProvider.Factory
+//    lateinit var viewModelFactoryProvider: ViewModelProvider.Factory
 }

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

@@ -1,8 +1,8 @@
 package com.navinfo.volvo.ui
 
 import android.content.DialogInterface
-import android.content.Intent
 import android.os.Bundle
+import android.view.Gravity
 import android.view.View
 import android.widget.Toast
 import androidx.activity.viewModels
@@ -11,6 +11,9 @@ import androidx.navigation.findNavController
 import androidx.navigation.ui.AppBarConfiguration
 import androidx.navigation.ui.setupActionBarWithNavController
 import androidx.navigation.ui.setupWithNavController
+import androidx.transition.Slide
+import androidx.transition.Transition
+import androidx.transition.TransitionManager
 import com.easytools.tools.FileUtils
 import com.elvishew.xlog.BuildConfig
 import com.elvishew.xlog.LogConfiguration
@@ -30,16 +33,17 @@ import com.hjq.permissions.Permission
 import com.hjq.permissions.XXPermissions
 import com.navinfo.volvo.R
 import com.navinfo.volvo.databinding.ActivityMainBinding
-import com.navinfo.volvo.ui.message.MessageActivity
 import com.navinfo.volvo.utils.SystemConstant
 import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.launch
 
+
 @AndroidEntryPoint
 class MainActivity : BaseActivity() {
 
     private lateinit var binding: ActivityMainBinding
-    private val viewModel by viewModels<MainActivityViewModel> { viewModelFactoryProvider }
+    private val viewModel by viewModels<MainActivityViewModel>()
+
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -47,7 +51,6 @@ class MainActivity : BaseActivity() {
         binding = ActivityMainBinding.inflate(layoutInflater)
         setContentView(binding.root)
 
-
         XXPermissions.with(this)
             // 申请单个权限
             .permission(Permission.WRITE_EXTERNAL_STORAGE)
@@ -98,28 +101,29 @@ class MainActivity : BaseActivity() {
 
         lifecycleScope.launch {
             viewModel.getUnreadCount().collect {
-                runOnUiThread {
+                if (it == 0L) {
-                    if (it == 0L) {
+                    navView.removeBadge(R.id.navigation_home)
-                        navView.removeBadge(R.id.navigation_home)
+                } else {
-                    } else {
+                    var badge = navView.getOrCreateBadge(R.id.navigation_home);
-                        var badge = navView.getOrCreateBadge(R.id.navigation_home);
+                    badge.number = it.toInt()
-                        badge.number = it.toInt()
-                    }
                 }
             }
         }
 
         navController.addOnDestinationChangedListener { controller, destination, arguments ->
-            if (destination.id == R.id.navigation_home
+            if (destination.id == R.id.navigation_home || destination.id == R.id.navigation_dashboard || destination.id == R.id.navigation_notifications) {
-                || destination.id == R.id.navigation_dashboard
-                || destination.id == R.id.navigation_notifications
-            ) {
                 runOnUiThread {
+                    val transition: Transition = Slide(Gravity.BOTTOM)
+                    transition.duration = 300;
+                    TransitionManager.beginDelayedTransition(binding.root, transition);
                     navView.visibility = View.VISIBLE
                     newMessageView.visibility = View.VISIBLE
                 }
             } else {
                 runOnUiThread {
+                    val transition: Transition = Slide(Gravity.BOTTOM)
+                    transition.duration = 300;
+                    TransitionManager.beginDelayedTransition(binding.root, transition);
                     navView.visibility = View.GONE
                     newMessageView.visibility = View.GONE
                 }
@@ -132,6 +136,7 @@ class MainActivity : BaseActivity() {
         }
     }
 
+
     override fun onSupportNavigateUp() =
         findNavController(R.id.nav_host_fragment_activity_main).navigateUp()
 
@@ -151,13 +156,10 @@ class MainActivity : BaseActivity() {
     }
 
     fun xLogInit(logFolder: String) {
-        val config = LogConfiguration.Builder()
+        val config = LogConfiguration.Builder().logLevel(
-            .logLevel(
+            if (BuildConfig.DEBUG) LogLevel.ALL // 指定日志级别，低于该级别的日志将不会被打印，默认为 LogLevel.ALL
-                if (BuildConfig.DEBUG)
+            else LogLevel.NONE
-                    LogLevel.ALL // 指定日志级别，低于该级别的日志将不会被打印，默认为 LogLevel.ALL
+        ).tag("Volvo") // 指定 TAG，默认为 "X-LOG"
-                else LogLevel.NONE
-            )
-            .tag("Volvo") // 指定 TAG，默认为 "X-LOG"
             .enableThreadInfo() // 允许打印线程信息，默认禁止
             .enableStackTrace(2) // 允许打印深度为 2 的调用栈信息，默认禁止
             .enableBorder() // 允许打印日志边框，默认禁止
@@ -165,8 +167,7 @@ class MainActivity : BaseActivity() {
                 BlacklistTagsFilterInterceptor( // 添加黑名单 TAG 过滤器
                     "blacklist1", "blacklist2", "blacklist3"
                 )
-            )
+            ).build()
-            .build()
 
         val androidPrinter: Printer = AndroidPrinter(true) // 通过 android.util.Log 打印日志的打印器
 
@@ -181,8 +182,7 @@ class MainActivity : BaseActivity() {
         XLog.init( // 初始化 XLog
             config,  // 指定日志配置，如果不指定，会默认使用 new LogConfiguration.Builder().build()
             androidPrinter,  // 添加任意多的打印器。如果没有添加任何打印器，会默认使用 AndroidPrinter(Android)/ConsolePrinter(java)
-            consolePrinter,
+            consolePrinter, filePrinter
-            filePrinter
         )
     }
 
@@ -190,14 +190,11 @@ class MainActivity : BaseActivity() {
     fun showRationaleForSDCard(permissions: MutableList<String>) {
 //        showRationaleDialog(R.string.permission_camera_rationale, request)
 //        Toast.makeText(context, "当前操作需要您授权相机权限！", Toast.LENGTH_SHORT).show()
-        MaterialAlertDialogBuilder(this)
+        MaterialAlertDialogBuilder(this).setTitle("提示").setMessage("当前操作需要您授权读写SD卡权限！")
-            .setTitle("提示")
-            .setMessage("当前操作需要您授权读写SD卡权限！")
             .setPositiveButton("确定", DialogInterface.OnClickListener { dialogInterface, i ->
                 dialogInterface.dismiss()
                 XXPermissions.startPermissionActivity(this@MainActivity, permissions)
-            })
+            }).show()
-            .show()
     }
 
     //    @OnPermissionDenied(Manifest.permission.MANAGE_EXTERNAL_STORAGE)

app/src/main/java/com/navinfo/volvo/ui/MainActivityViewModel.kt

@@ -4,9 +4,12 @@ import androidx.lifecycle.ViewModel
 import androidx.paging.PagingData
 import com.navinfo.volvo.database.dao.GreetingMessageDao
 import com.navinfo.volvo.database.entity.GreetingMessage
+import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.Flow
 import javax.inject.Inject
+import javax.inject.Singleton
 
+@HiltViewModel
 class MainActivityViewModel @Inject constructor(
     private val messageDao: GreetingMessageDao,
 ) : ViewModel() {

app/src/main/java/com/navinfo/volvo/ui/fragments/BaseFragment.kt

@@ -5,6 +5,6 @@ import androidx.lifecycle.ViewModelProvider
 import javax.inject.Inject
 
 abstract class BaseFragment : Fragment() {
-    @Inject
+//    @Inject
-    lateinit var viewModelFactoryProvider: ViewModelProvider.Factory
+//    lateinit var viewModelFactoryProvider: ViewModelProvider.Factory
 }

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

@@ -19,23 +19,11 @@ class HomeAdapter(fragment: Fragment) :
     PagingDataAdapter<GreetingMessage, HomeAdapter.MyViewHolder>(DiffCallback()) {
 
     val fragment = fragment
-//    var itemList = ArrayList<GreetingMessage>()
-//
-//    fun addItem(message: GreetingMessage) {
-//        itemList.add(message)
-//        notifyItemInserted(itemList.size - 1)
-//    }
-//
-//    fun setItems(messageList: List<GreetingMessage>) {
-//        itemList.clear()
-//        itemList.addAll(messageList)
-//        notifyDataSetChanged()
-//    }
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MyViewHolder {
         val mDataBinding: AdapterHomeBinding =
             DataBindingUtil.inflate(
-                LayoutInflater.from(fragment.context),
+                LayoutInflater.from(parent.context),
                 R.layout.adapter_home,
                 parent,
                 false
@@ -47,9 +35,10 @@ class HomeAdapter(fragment: Fragment) :
         holder.onBind(position)
     }
 
-//    override fun getItemCount(): Int {
+    fun getItemData(position: Int): GreetingMessage {
-//        return itemList.size
+        return getItem(position)!!
-//    }
+    }
+
 
     inner class MyViewHolder(private val mDataBinding: AdapterHomeBinding) :
         RecyclerView.ViewHolder(mDataBinding.root) {
@@ -63,7 +52,6 @@ class HomeAdapter(fragment: Fragment) :
                 .error(R.mipmap.volvo_logo_small)
                 .into(mDataBinding.messageHeadIcon)
         }
-
     }
 
     class DiffCallback : DiffUtil.ItemCallback<GreetingMessage>() {

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

@@ -1,12 +1,15 @@
 package com.navinfo.volvo.ui.fragments.home
 
 import android.os.Bundle
+import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import androidx.databinding.DataBindingUtil
+import android.widget.Toast
 import androidx.fragment.app.viewModels
+import androidx.lifecycle.Observer
 import androidx.lifecycle.lifecycleScope
+import androidx.paging.LoadState
 import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.navinfo.volvo.R
@@ -15,25 +18,24 @@ import com.navinfo.volvo.tools.DisplayUtil
 import com.navinfo.volvo.ui.fragments.BaseFragment
 import com.yanzhenjie.recyclerview.*
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.launch
+import java.io.IOException
 
 @AndroidEntryPoint
 class HomeFragment : BaseFragment(), OnItemClickListener, OnItemMenuClickListener {
 
     private var _binding: FragmentHomeBinding? = null
+
     // This property is only valid between onCreateView and
     // onDestroyView.
     private val binding get() = _binding!!
 
-    private val viewModel by viewModels<HomeViewModel> { viewModelFactoryProvider }
+    private val viewModel by viewModels<HomeViewModel>()
 
-    private lateinit var messageAdapter: HomeAdapter
+    private val messageAdapter by lazy { HomeAdapter(this) }
 
     override fun onCreateView(
-        inflater: LayoutInflater,
+        inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?
-        container: ViewGroup?,
-        savedInstanceState: Bundle?
     ): View {
         _binding = FragmentHomeBinding.inflate(inflater, container, false)
         val root: View = binding.root
@@ -42,55 +44,117 @@ class HomeFragment : BaseFragment(), OnItemClickListener, OnItemMenuClickListene
     }
 
     private fun initView() {
-//        mDataBinding.homeViewModel = viewModel
+
-        messageAdapter = HomeAdapter(this)
+
-        val recyclerview: SwipeRecyclerView = binding.homeRecyclerview
-        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 =
+        var mSwipeMenuCreator = SwipeMenuCreator { _, rightMenu, _ ->
-            SwipeMenuCreator { _, rightMenu, position ->
+            //添加菜单自动添加至尾部
-                //添加菜单自动添加至尾部
+            var deleteItem = SwipeMenuItem(context)
-                var deleteItem = SwipeMenuItem(context)
+            deleteItem.height = DisplayUtil.dip2px(context!!, 60f)
-                deleteItem.height = DisplayUtil.dip2px(context!!, 60f)
+            deleteItem.width = DisplayUtil.dip2px(context!!, 80f)
-                deleteItem.width = DisplayUtil.dip2px(context!!, 80f)
+            deleteItem.background = context!!.getDrawable(R.color.red)
-                deleteItem.background = context!!.getDrawable(R.color.red)
+            deleteItem.text = context!!.getString(R.string.delete)
-                deleteItem.text = context!!.getString(R.string.delete)
+            rightMenu.addMenuItem(deleteItem)
-                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)
+        }
+        //侧滑按钮
+        binding.homeRecyclerview.setOnItemMenuClickListener { menuBridge, position ->
+            menuBridge.closeMenu()
+//            val direction: Int = menuBridge.getDirection() // 左侧还是右侧菜单。
+
+            when (menuBridge.position) {// 菜单在RecyclerView的Item中的Position。
+                0 -> {//删除按钮
+                    viewModel.deleteMessage(messageAdapter.getItemData(position).id)
+                }
+                1 -> {//分享按钮
+                }
 
-                //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)
+        }
 
-        recyclerview.layoutManager = layoutManager
+        val layoutManager = LinearLayoutManager(context)
-        recyclerview.addItemDecoration(DividerItemDecoration(context, layoutManager.orientation))
+        binding.homeRecyclerview.layoutManager = layoutManager
-        recyclerview.setSwipeMenuCreator(mSwipeMenuCreator)
+        //自动增加分割线
-        recyclerview.setOnItemClickListener(this)
+        binding.homeRecyclerview.addItemDecoration(
-//        recyclerview.useDefaultLoadMore()
+            DividerItemDecoration(
-//        recyclerview.setLoadMoreListener {
+                context, layoutManager.orientation
-//
+            )
-//        }
+        )
+        //增加侧滑按钮
+        binding.homeRecyclerview.setSwipeMenuCreator(mSwipeMenuCreator)
+        //单项点击
+        binding.homeRecyclerview.setOnItemClickListener(this)
+        //使用下拉加载
+//        binding.homeRecyclerview.useDefaultLoadMore() // 使用默认的加载更多的View。
+        binding.homeRecyclerview.setLoadMoreListener {
+            Log.e("jingo", "下拉加载开始")
+
+        } // 加载更多的监听。
+
+        //开始下拉刷新
+        binding.homeSwipeRefreshLayout.setOnRefreshListener {
+            Log.e("jingo", "开始刷新")
+            viewModel.getNetMessageList()
+        }
+
+        //列表自动分页
         lifecycleScope.launch {
-            viewModel.messageList.collectLatest {
+            viewModel.messageList.collect {
                 messageAdapter.submitData(it)
             }
         }
-//        messageAdapter.withLoadStateFooter(
+        binding.homeRecyclerview.adapter = messageAdapter
-//            footer = RecLoadStateAdapter { messageAdapter.retry() }
+
-//        )
+        //初始状态添加监听
+        messageAdapter.addLoadStateListener {
+            when (it.refresh) {
+                is LoadState.NotLoading -> {
+                    Log.d("jingo", "is NotLoading")
+                }
+                is LoadState.Loading -> {
+                    Log.d("jingo", "is Loading")
+                }
+                is LoadState.Error -> {
+                    Log.d("jingo", "is Error:")
+                    when ((it.refresh as LoadState.Error).error) {
+                        is IOException -> {
+                            Log.d("jingo", "IOException")
+                        }
+                        else -> {
+                            Log.d("jingo", "others exception")
+                        }
+                    }
+                }
+            }
+        }
+        loadMoreFinish()
+        //监听数据请求是否结束
+        viewModel.isLoading.observe(viewLifecycleOwner, Observer {
+            if (!it) loadMoreFinish()
+        })
 
-//        messageAdapter.withLoadStateHeader()
-        recyclerview.adapter = messageAdapter
 
     }
 
+    private fun loadMoreFinish() {
+        binding.homeSwipeRefreshLayout.isRefreshing = false
+
+        // 第一次加载数据：一定要掉用这个方法。
+        // 第一个参数：表示此次数据是否为空，假如你请求到的list为空(== null || list.size == 0)，那么这里就要true。
+        // 第二个参数：表示是否还有更多数据，根据服务器返回给你的page等信息判断是否还有更多，这样可以提供性能，如果不能判断则传true。
+        binding.homeRecyclerview.loadMoreFinish(false, false)
+    }
+
+
     override fun onStart() {
         super.onStart()
         viewModel.getNetMessageList()

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

@@ -1,23 +1,30 @@
 package com.navinfo.volvo.ui.fragments.home
 
+import android.app.Application
+import android.widget.Toast
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import androidx.paging.PagingData
 import com.navinfo.volvo.database.dao.GreetingMessageDao
 import com.navinfo.volvo.database.entity.GreetingMessage
-import com.navinfo.volvo.model.messagelist.NetworkMessageListPost
+import com.navinfo.volvo.model.network.NetworkDeleteMessagePost
+import com.navinfo.volvo.model.network.NetworkMessageListPost
 import com.navinfo.volvo.repository.database.DatabaseRepository
 import com.navinfo.volvo.repository.network.NetworkRepository
 import com.navinfo.volvo.util.NetResult
 import com.navinfo.volvo.util.asLiveData
+import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.launch
 import javax.inject.Inject
 
+@HiltViewModel
 class HomeViewModel @Inject constructor(
+    private val application: Application,
     private val netRepository: NetworkRepository,
-    private val dataRepository: DatabaseRepository
+    private val dataRepository: DatabaseRepository,
+    private val messageDao: GreetingMessageDao,
 ) : ViewModel() {
 
     private val _isLoading = MutableLiveData<Boolean>()
@@ -32,18 +39,46 @@ class HomeViewModel @Inject constructor(
 
 
     fun getNetMessageList() {
+        if (_isLoading.value == true)
+            return
         _isLoading.postValue(true)
         viewModelScope.launch {
             val messagePost = NetworkMessageListPost(who = "", toWho = "")
-            when (val result = netRepository.getCardList(messagePost)) {
+            when (val result = netRepository.getMessageList(messagePost)) {
                 is NetResult.Success -> {
                     _isLoading.value = false
-//                    if (result.data != null) {
+                    if ((result.data!!.data != null) && (result.data.data!!.rows != null)) {
-//                        val list = (result.data.data as NetworkMessageListResponse).rows
+                        messageDao.insertOrUpdate(result.data.data!!.rows!!)
-//                        _messageList.value = list
+                    }
-//                    }
                 }
+                is NetResult.Failure -> {
+                    _isLoading.value = false
+                    Toast.makeText(application, "${result.code}:${result.msg}", Toast.LENGTH_SHORT)
+                        .show()
+                }
+                is NetResult.Error -> {
+                    _isLoading.value = false
+                }
+                is NetResult.Loading -> {
+                    _isLoading.postValue(true)
+                }
+            }
+        }
+    }
 
+    fun deleteMessage(id: Long) {
+        viewModelScope.launch {
+            val post = NetworkDeleteMessagePost(id)
+            netRepository.deleteMessage(post)
+            when (val result = netRepository.deleteMessage(post)) {
+                is NetResult.Success -> {
+                    _isLoading.value = false
+                }
+                is NetResult.Failure -> {
+                    _isLoading.value = false
+                    Toast.makeText(application, "${result.code}:${result.msg}", Toast.LENGTH_SHORT)
+                        .show()
+                }
                 is NetResult.Error -> {
                     _isLoading.value = false
                 }

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

@@ -0,0 +1,18 @@
+package com.navinfo.volvo.ui.fragments.home
+
+import android.view.ViewGroup
+import androidx.paging.LoadState
+import androidx.paging.LoadStateAdapter
+
+class LoadStateAdapter(private val retry: () -> Unit) :
+    LoadStateAdapter<LoadStateViewHolder>() {
+
+    override fun onBindViewHolder(holder: LoadStateViewHolder, loadState: LoadState) {
+        holder.bindState(loadState)
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, loadState: LoadState): LoadStateViewHolder {
+        return LoadStateViewHolder(parent, retry)
+    }
+
+}

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

@@ -0,0 +1,39 @@
+package com.navinfo.volvo.ui.fragments.home
+
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.paging.LoadState
+import androidx.recyclerview.widget.RecyclerView
+import com.navinfo.volvo.R
+import com.navinfo.volvo.databinding.LoadStateViewBinding
+
+class LoadStateViewHolder(parent: ViewGroup, var retry: () -> Unit) : RecyclerView.ViewHolder(
+    LayoutInflater.from(parent.context)
+        .inflate(R.layout.load_state_view, parent, false)
+) {
+
+    var itemLoadStateBindingUtil: LoadStateViewBinding = LoadStateViewBinding.bind(itemView)
+
+    fun bindState(loadState: LoadState) {
+        when (loadState) {
+            is LoadState.Error -> {
+                itemLoadStateBindingUtil.loadStateLayout.visibility = View.VISIBLE
+//                itemLoadStateBindingUtil.btnRetry.setOnClickListener {
+//                    retry()
+//                }
+                Log.d("jingo", "error了吧")
+            }
+            is LoadState.Loading -> {
+                itemLoadStateBindingUtil.loadStateLayout.visibility = View.VISIBLE
+                Log.d("jingo", "该显示了")
+            }
+            else -> {
+                Log.d("jingo", "--其他的错误")
+            }
+        }
+
+    }
+
+}

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

@@ -1,51 +0,0 @@
-//package com.navinfo.volvo.ui.fragments.home
-//
-//import android.view.LayoutInflater
-//import android.view.View
-//import android.view.ViewGroup
-//import androidx.core.view.isVisible
-//import androidx.paging.LoadState
-//import androidx.paging.LoadStateAdapter
-//import androidx.recyclerview.widget.RecyclerView
-//import com.example.picsapp.R
-//import com.example.picsapp.databinding.LoadStateViewBinding
-//
-//class RecLoadStateAdapter(
-//    private val retry: () -> Unit
-//) : LoadStateAdapter<RecLoadStateAdapter.LoadStateViewHolder>() {
-//
-//    override fun onCreateViewHolder(parent: ViewGroup, loadState: LoadState): LoadStateViewHolder {
-//
-//        val binding = LoadStateViewBinding
-//            .inflate(LayoutInflater.from(parent.context), parent, false)
-//
-//        return LoadStateViewHolder(binding)
-//    }
-//
-//    override fun onBindViewHolder(holder: LoadStateViewHolder, loadState: LoadState) {
-//        holder.onBind(loadState)
-//
-//    }
-//
-//
-//
-//    inner class LoadStateViewHolder(private val binding: LoadStateViewBinding) : RecyclerView.ViewHolder(binding.root){
-//        fun onBind(loadState: LoadState) {
-//            val progress = binding.loadStateProgress
-//            val btnRetry = binding.loadStateRetry
-//            val txtErrorMessage = binding.loadStateErrorMessage
-//
-//            btnRetry.isVisible = loadState !is LoadState.Loading
-//            txtErrorMessage.isVisible = loadState !is LoadState.Loading
-//            progress.isVisible = loadState is LoadState.Loading
-//
-//            if (loadState is LoadState.Error){
-//                txtErrorMessage.text = loadState.error.localizedMessage
-//            }
-//
-//            btnRetry.setOnClickListener {
-//                retry.invoke()
-//            }
-//        }
-//    }
-//}

app/src/main/java/com/navinfo/volvo/ui/fragments/login/LoginFragment.kt

@@ -4,13 +4,18 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.Toast
 import androidx.databinding.DataBindingUtil
 import androidx.fragment.app.viewModels
+import androidx.lifecycle.Observer
+import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
 import com.navinfo.volvo.R
 import com.navinfo.volvo.databinding.FragmentLoginBinding
 import com.navinfo.volvo.ui.fragments.BaseFragment
 import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.launch
 
 
 @AndroidEntryPoint
@@ -20,7 +25,7 @@ class LoginFragment : BaseFragment() {
     private lateinit var viewBinding: FragmentLoginBinding
 
 
-    private val viewModel by viewModels<LoginViewModel> { viewModelFactoryProvider }
+    private val viewModel by viewModels<LoginViewModel>()
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -34,11 +39,31 @@ class LoginFragment : BaseFragment() {
     }
 
     private fun initView() {
+
+        lifecycleScope.launch {
+            viewModel.user.collect {
+                if (it != null){
+                    viewBinding.loginUser = it
+                }
+                cancel()
+            }
+        }
         viewBinding.loginFragmentRegisterButton.setOnClickListener {
 
         }
         viewBinding.loginFragmentLoginButton.setOnClickListener {
-//            viewModel.login(viewBinding.loginFragmentUserLayout)
+            if (viewBinding.loginUsername.text!!.isEmpty()) {
+                Toast.makeText(context, "请输入用户名", Toast.LENGTH_SHORT).show()
+                return@setOnClickListener
+            }
+            if (viewBinding.loginPassword.text!!.isEmpty()) {
+                Toast.makeText(context, "请输入密码", Toast.LENGTH_SHORT).show()
+                return@setOnClickListener
+            }
+            viewModel.onClickLogin(
+                viewBinding.loginUsername.text.toString(),
+                viewBinding.loginPassword.text.toString()
+            )
             findNavController().navigate(R.id.action_login_to_home)
         }
     }

app/src/main/java/com/navinfo/volvo/ui/fragments/login/LoginViewModel.kt

@@ -1,23 +1,29 @@
 package com.navinfo.volvo.ui.fragments.login
 
-import android.view.View
-import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
-import com.navinfo.volvo.database.AppDatabase
+import androidx.lifecycle.viewModelScope
-import com.navinfo.volvo.database.entity.User
+import com.navinfo.volvo.repository.preferences.PreferencesRepository
-import com.navinfo.volvo.util.SharedPreferenceHelper
+import com.navinfo.volvo.util.asLiveData
+//import com.navinfo.volvo.repository.preferences.PreferencesRepository
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.launch
 import javax.inject.Inject
 
-class LoginViewModel @Inject constructor(private val sharedPreferenceHelper: SharedPreferenceHelper) : ViewModel() {
+@HiltViewModel
+class LoginViewModel @Inject constructor(private val repository: PreferencesRepository) :
+    ViewModel() {
 
-//    val user: LiveData<User> = _user
+    val user = repository.loginUser()
-
-    fun liveDataOnclick(view: View) {
 
+    fun onClickLogin(name: String, password: String) {
+        viewModelScope.launch {
+            repository.saveLoginUser(id = "", name = name, password = password)
+        }
     }
 
-    fun userRegister(username: String, password: String) {
+    fun onClickLoginRegister(username: String, password: String) {
 
     }
 }

app/src/main/java/com/navinfo/volvo/util/NetResult.kt

@@ -11,14 +11,16 @@ package com.navinfo.volvo.util
 sealed class NetResult<out R> {
 
     data class Success<out T>(val data: T?) : NetResult<T>()
+    data class Failure(val code: Int, val msg: String) : NetResult<Nothing>()
     data class Error(val exception: Exception) : NetResult<Nothing>()
     object Loading : NetResult<Nothing>()
 
     override fun toString(): String {
         return when (this) {
-            is Success<*> -> "Success[data=$data]"
+            is Success<*> -> "网络访问成功，返回正确结果Success[data=$data]"
-            is Error -> "Error[exception=$exception]"
+            is Failure -> "网络访问成功，返回错误结果Failure[$msg]"
-            is Loading -> "Loading"
+            is Error -> "网络访问出错 Error[exception=$exception]"
+            is Loading -> "网络访问中 Loading"
         }
     }
 }

app/src/main/java/com/navinfo/volvo/util/SharedPreferenceHelper.kt

@@ -1,131 +0,0 @@
-package com.navinfo.volvo.util
-
-import android.content.Context
-import android.content.SharedPreferences
-import android.preference.PreferenceManager
-import androidx.core.content.edit
-import com.google.gson.Gson
-
-
-class SharedPreferenceHelper {
-
-    companion object {
-
-        private const val WEATHER_PREF_TIME = "Weather pref time"
-        private const val WEATHER_FORECAST_PREF_TIME = "Forecast pref time"
-        private const val CITY_ID = "City ID"
-        private var prefs: SharedPreferences? = null
-        private const val LOCATION = "LOCATION"
-
-        @Volatile
-        private var instance: SharedPreferenceHelper? = null
-
-        /**
-         * This checks if there is an existing instance of the [SharedPreferences] in the
-         * specified [context] and creates one if there isn't or else, it returns the
-         * already existing instance. This function ensures that the [SharedPreferences] is
-         * accessed at any instance by a single thread.
-         */
-        fun getInstance(context: Context): SharedPreferenceHelper {
-            synchronized(this) {
-                val _instance = instance
-                if (_instance == null) {
-                    prefs = PreferenceManager.getDefaultSharedPreferences(context)
-                    instance = _instance
-                }
-                return SharedPreferenceHelper()
-            }
-        }
-    }
-
-    /**
-     * This function saves the initial time [System.nanoTime] at which the weather information
-     * at the user's location is accessed.
-     * @param time the value of [System.nanoTime] when the weather information is received.
-     */
-    fun saveTimeOfInitialWeatherFetch(time: Long) {
-        prefs?.edit(commit = true) {
-            putLong(WEATHER_PREF_TIME, time)
-        }
-    }
-
-    /**
-     * This function returns the saved value of [System.nanoTime] when the weather information
-     * at the user's location was accessed.
-     * @see saveTimeOfInitialWeatherFetch
-     */
-    fun getTimeOfInitialWeatherFetch() = prefs?.getLong(WEATHER_PREF_TIME, 0L)
-
-    /**
-     * This function saves the initial time [System.nanoTime] at which the weather forecast
-     * at the user's location is accessed.
-     * @param time the value of [System.nanoTime] when the weather forecast is received.
-     */
-    fun saveTimeOfInitialWeatherForecastFetch(time: Long) {
-        prefs?.edit(commit = true) {
-            putLong(WEATHER_FORECAST_PREF_TIME, time)
-        }
-    }
-
-    /**
-     * This function returns the saved value of [System.nanoTime] when the weather forecast
-     * at the user's location was accessed.
-     * @see saveTimeOfInitialWeatherForecastFetch
-     */
-    fun getTimeOfInitialWeatherForecastFetch() = prefs?.getLong(WEATHER_FORECAST_PREF_TIME, 0L)
-
-    /**
-     * This function saves the [cityId] of the location whose weather information has been
-     * received.
-     * @param cityId the id of the location whose weather has been received
-     */
-    fun saveCityId(cityId: Int) {
-        prefs?.edit(commit = true) {
-            putInt(CITY_ID, cityId)
-        }
-    }
-
-    /**
-     * This function returns the id of the location whose weather information has been received.
-     * @see saveCityId
-     */
-    fun getCityId() = prefs?.getInt(CITY_ID, 0)
-
-    /**
-     * This function gets the value of the cache duration the user set in the
-     * Settings Fragment.
-     */
-    fun getUserSetCacheDuration() = prefs?.getString("cache_key", "0")
-
-    /**
-     * This function gets the value of the app theme the user set in the
-     * Settings Fragment.
-     */
-    fun getSelectedThemePref() = prefs?.getString("theme_key", "")
-
-    /**
-     * This function gets the value of the temperature unit the user set in the
-     * Settings Fragment.
-     */
-    fun getSelectedTemperatureUnit() = prefs?.getString("unit_key", "")
-
-//    /**
-//     * This function saves a [LocationModel]
-//     */
-//    fun saveLocation(location: LocationModel) {
-//        prefs?.edit(commit = true) {
-//            val gson = Gson()
-//            val json = gson.toJson(location)
-//            putString(LOCATION, json)
-//        }
-//    }
-
-//    /**
-//     * This function gets the value of the saved [LocationModel]
-//     */
-//    fun getLocation(): LocationModel {
-//        val gson = Gson()
-//        val json = prefs?.getString(LOCATION, null)
-//        return gson.fromJson(json, LocationModel::class.java)
-//    }
-}

app/src/main/proto/LoginUser.proto

@@ -0,0 +1,9 @@
+syntax = "proto3";
+
+option java_package = "com.navinfo.volvo.model.proto";
+option java_multiple_files = true;
+
+message LoginUser {
+  string username = 1;
+  string password = 2;
+}

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

@@ -11,8 +11,8 @@
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_marginLeft="20dp"
-        android:layout_marginRight="20dp"
         android:layout_marginTop="5dp"
+        android:layout_marginRight="20dp"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
         app:layout_constraintTop_toTopOf="parent">
@@ -23,8 +23,8 @@
             android:hint="请输入查询内容" />
     </com.google.android.material.textfield.TextInputLayout>
 
-    <com.yanzhenjie.recyclerview.SwipeRecyclerView
+    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
-        android:id="@+id/home_recyclerview"
+        android:id="@+id/home_SwipeRefreshLayout"
         android:layout_width="0dp"
         android:layout_height="0dp"
         android:layout_marginTop="10dp"
@@ -33,7 +33,14 @@
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/home_search" />
+        app:layout_constraintTop_toBottomOf="@id/home_search">
+
+        <com.yanzhenjie.recyclerview.SwipeRecyclerView
+            android:id="@+id/home_recyclerview"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+
+    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
 
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -6,7 +6,7 @@
     <data>
         <variable
             name="loginUser"
-            type="com.navinfo.volvo.model.LoginUser" />
+            type="com.navinfo.volvo.model.proto.LoginUser" />
     </data>
 
     <androidx.constraintlayout.widget.ConstraintLayout
@@ -14,7 +14,6 @@
         android:layout_height="match_parent"
         tools:context="com.navinfo.volvo.ui.fragments.login.LoginFragment">
 
-
         <androidx.constraintlayout.utils.widget.ImageFilterView
             android:id="@+id/login_fragment_logo"
             android:layout_width="wrap_content"
@@ -40,9 +39,10 @@
             app:layout_constraintVertical_bias="0.4">
 
             <com.google.android.material.textfield.TextInputEditText
+                android:id="@+id/login_username"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:text="@{loginUser.name}"
+                android:text="@{loginUser.username}"
                 android:hint="请输入用户名" />
         </com.google.android.material.textfield.TextInputLayout>
 
@@ -54,6 +54,7 @@
             app:layout_constraintTop_toBottomOf="@id/login_fragment_user_layout">
 
             <com.google.android.material.textfield.TextInputEditText
+                android:id="@+id/login_password"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:inputType="textPassword"

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

@@ -0,0 +1,23 @@
+<?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">
+
+    <data>
+
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/load_state_layout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_margin="16dp">
+
+        <ProgressBar
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>

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

@@ -13,12 +13,9 @@
         <action
             android:id="@+id/action_login_to_home"
             app:destination="@id/navigation_home"
-            app:enterAnim="@anim/from_left"
-            app:exitAnim="@anim/to_right"
-            app:popEnterAnim="@anim/from_right"
-            app:popExitAnim="@anim/to_left"
             app:popUpTo="@id/navigation_login"
             app:popUpToInclusive="true" />
+
     </fragment>
     <fragment
         android:id="@+id/navigation_home"