init

vantuan88291 · Dec 15, 2019 · 30cdb3e · 30cdb3e
commit 30cdb3e
Showing 97 changed files with 2,840 additions and 0 deletions.
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,11 @@
+*.iml
+.gradle
+/local.properties
+/.idea
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.idea
+app/release
+
diff --git a/README.md b/README.md
@@ -0,0 +1,38 @@
+# MVVM with databinding
+
+Library: DI with koin, RXjava, room, mvvm, Rx retrofit
+
+This app has a small example about chat with socket io using MVVM
+
+## Explanation of folder structure
+
+```
+packagename
+├── data
+│   ├── local
+│   │     ├──entity
+│   │     ├──model
+│   │     └──room
+│   │
+│   ├── remote
+├── di
+│   ├── AppModule.kt
+├── utils
+├── view
+│   ├──activity
+│   ├──adapter
+│   ├──components
+│   └──fragment
+│
+├── App.kt
+├── BaseActivity.kt
+├── BaseContract.kt
+├── BaseFragment.kt
+└── BaseView.kt
+```
+
+
+All lib in ```dependencies.gradle```
+
+
+To use socket demo, clone project and setup node server: https://github.com/vantuan88291/SocketServer
diff --git a/app/.gitignore b/app/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/app/build.gradle b/app/build.gradle
@@ -0,0 +1,77 @@
+apply plugin: 'com.android.application'
+
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+apply plugin: 'kotlin-kapt'
+apply from: rootProject.file("dependencies.gradle")
+android {
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+    compileSdkVersion versions.compile_sdk
+    defaultConfig {
+        applicationId versions.package
+        minSdkVersion versions.min_sdk
+        targetSdkVersion versions.compile_sdk
+        versionCode versions.publish_version_code
+        versionName versions.publish_version
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        multiDexEnabled true
+        javaCompileOptions {
+            annotationProcessorOptions {
+                arguments = ["room.schemaLocation": "$projectDir/schemas".toString()]
+            }
+        }
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    dataBinding {
+        enabled true
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation deps.support.kotlin
+    implementation deps.support.app_compat
+    implementation deps.support.core
+    implementation deps.support.material
+    implementation deps.support.constraint_layout
+    testImplementation deps.test.junit
+    androidTestImplementation deps.test.runner
+    androidTestImplementation deps.test.core
+    implementation deps.support.sdp
+    implementation deps.perfomance.multidex
+    implementation deps.perfomance.rxjava
+    implementation deps.perfomance.rxandroid
+    implementation deps.resful.converter
+    implementation deps.resful.rx_retrofit
+    implementation deps.resful.retrofit2
+    implementation deps.resful.logd
+    implementation deps.resful.logging
+    implementation deps.db.runtime
+    kapt deps.db.compiler
+    androidTestImplementation deps.db.test
+    implementation deps.lifecycler.extension
+    implementation deps.lifecycler.viewmodel
+    implementation deps.lifecycler.java8
+    implementation deps.resful.gson
+    kapt deps.support.databinding
+    implementation deps.di.koin
+    implementation deps.di.koin_androix
+    implementation deps.di.koin_viewmodel
+    implementation (deps.resful.socket){
+        exclude group: 'org.json', module: 'json'
+    }
+    implementation deps.webrtc
+}
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/app/src/androidTest/java/com/tuan88291/mvvmpattern/ExampleInstrumentedTest.kt b/app/src/androidTest/java/com/tuan88291/mvvmpattern/ExampleInstrumentedTest.kt
@@ -0,0 +1,24 @@
+package com.tuan88291.mvvmpattern
+
+import androidx.test.InstrumentationRegistry
+import androidx.test.runner.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getTargetContext()
+        assertEquals("com.tuan88291.mvppatternkotlin", appContext.packageName)
+    }
+}
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.tuan88291.mvvmpattern">
+    <uses-permission android:name="android.permission.INTERNET"/>
+
+    <application
+            android:name=".App"
+            android:allowBackup="true"
+            android:icon="@mipmap/ic_launcher"
+            android:label="@string/app_name"
+            android:roundIcon="@mipmap/ic_launcher_round"
+            android:supportsRtl="true"
+            android:theme="@style/AppTheme"
+            android:usesCleartextTraffic="true">
+        <uses-library
+                android:name="org.apache.http.legacy"
+                android:required="false"/>
+        <activity
+                android:name=".view.activity.MainActivity"
+                android:label="@string/app_name"
+                android:theme="@style/AppTheme.NoActionBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/App.kt b/app/src/main/java/com/tuan88291/mvvmpattern/App.kt
@@ -0,0 +1,44 @@
+package com.tuan88291.mvvmpattern
+
+import android.content.Context
+import androidx.multidex.MultiDex
+import androidx.multidex.MultiDexApplication
+import com.google.gson.Gson
+import com.tuan88291.mvvmpattern.di.RetrofitModule
+import com.tuan88291.mvvmpattern.di.dbModule
+import com.tuan88291.mvvmpattern.di.mvvmModule
+import org.koin.android.ext.koin.androidContext
+import org.koin.android.ext.koin.androidFileProperties
+import org.koin.android.ext.koin.androidLogger
+import org.koin.core.context.startKoin
+import org.koin.core.logger.Level
+
+class App : MultiDexApplication() {
+    init {
+        instance = this
+        gSon = Gson()
+    }
+    override fun onCreate() {
+        super.onCreate()
+        MultiDex.install(this)
+        startKoin {
+            androidLogger(Level.DEBUG)
+            androidContext(this@App)
+            androidFileProperties()
+            modules(listOf(dbModule, mvvmModule, RetrofitModule))
+        }
+    }
+
+    companion object {
+        private var instance: App? = null
+        private var gSon: Gson? = null
+
+        fun applicationContext() : Context {
+            return instance!!.applicationContext
+        }
+        fun getGson() : Gson {
+            return gSon!!
+        }
+    }
+}
+
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/BaseActivity.kt b/app/src/main/java/com/tuan88291/mvvmpattern/BaseActivity.kt
@@ -0,0 +1,41 @@
+package com.tuan88291.mvvmpattern
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.Fragment
+
+open class BaseActivity : AppCompatActivity(), BaseView {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+    }
+
+    override fun onResume() {
+        super.onResume()
+    }
+
+    override fun onStart() {
+        super.onStart()
+    }
+
+    protected fun addFragment(fragment: Fragment?) {
+        if (fragment != null) {
+            val fragmentManager = supportFragmentManager
+            val fragmentTransaction = fragmentManager.beginTransaction()
+            fragmentTransaction.setCustomAnimations(
+                android.R.anim.fade_in,
+                android.R.anim.fade_out
+            )
+            fragmentTransaction.replace(R.id.contentHome, fragment)
+            fragmentTransaction.addToBackStack(fragment.javaClass.simpleName)
+            fragmentTransaction.commitAllowingStateLoss()
+        }
+    }
+
+    override fun setErrorParent(data: Any) {
+
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/BaseContract.kt b/app/src/main/java/com/tuan88291/mvvmpattern/BaseContract.kt
@@ -0,0 +1,7 @@
+package com.tuan88291.mvvmpattern
+
+interface BaseContract : BaseView {
+    fun onLoading()
+    fun onLoadComplete()
+    fun onError(mess: String)
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/BaseFragment.kt b/app/src/main/java/com/tuan88291/mvvmpattern/BaseFragment.kt
@@ -0,0 +1,49 @@
+package com.tuan88291.mvvmpattern
+
+import android.content.Context
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.appcompat.app.AlertDialog
+import androidx.fragment.app.Fragment
+import com.tuan88291.mvvmpattern.view.activity.MainActivity
+
+abstract class BaseFragment : Fragment(), BaseView {
+    private var context: MainActivity? = null
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+    }
+
+    override fun setErrorParent(data: Any) {
+        AlertDialog.Builder(context!!)
+            .setTitle("Your Alert")
+            .setMessage(data.toString())
+            .setCancelable(false)
+            .setPositiveButton("ok") { dialog, which ->
+
+            }.show()
+    }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        return setView(inflater, container, savedInstanceState)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        viewCreated(view, savedInstanceState)
+
+    }
+
+    override fun onAttach(context: Context) {
+        super.onAttach(context)
+        this.context = context as MainActivity?
+    }
+
+    protected abstract fun setView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View
+    protected abstract fun viewCreated(view: View, savedInstanceState: Bundle?)
+    protected fun mContext(): MainActivity? {
+        return this.context
+    }
+
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/BaseView.kt b/app/src/main/java/com/tuan88291/mvvmpattern/BaseView.kt
@@ -0,0 +1,5 @@
+package com.tuan88291.mvvmpattern
+
+interface BaseView {
+    fun setErrorParent(data: Any)
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/DataMain.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/DataMain.kt
@@ -0,0 +1,4 @@
+package com.tuan88291.mvvmpattern.data
+
+data class DataMain(val name: String, val age: Int) {
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/local/entity/DataRoom.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/local/entity/DataRoom.kt
@@ -0,0 +1,12 @@
+package com.tuan88291.mvvmpattern.data.local.entity
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "user")
+data class DataRoom( @ColumnInfo(name = "name") var Name: String = "", @ColumnInfo(name = "age") var Age: Int = 0) {
+    @ColumnInfo(name = "id")
+    @PrimaryKey(autoGenerate = true)
+    var mId: Long = 0
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/local/model/CommonData.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/local/model/CommonData.kt
@@ -0,0 +1,16 @@
+package com.tuan88291.mvvmpattern.data.local.model
+
+import com.google.gson.annotations.Expose
+import com.google.gson.annotations.SerializedName
+
+class CommonData<T: Any> {
+    @SerializedName("data")
+    @Expose
+    var data: T? = null
+    @SerializedName("status_code")
+    @Expose
+    var code: Int = 0
+    @SerializedName("message")
+    @Expose
+    lateinit var message: String
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/local/model/Data.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/local/model/Data.kt
@@ -0,0 +1,7 @@
+package com.tuan88291.mvvmpattern.data.local.model
+
+import androidx.lifecycle.ViewModel
+
+class Data : ViewModel() {
+    var example: String = ""
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/local/model/DataChat.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/local/model/DataChat.kt
@@ -0,0 +1,3 @@
+package com.tuan88291.mvvmpattern.data.local.model
+
+data class DataChat (var id: Int, var name: String, var content: String)
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/local/model/DataUser.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/local/model/DataUser.kt
@@ -0,0 +1,10 @@
+package com.tuan88291.mvvmpattern.data.local.model
+
+import com.google.gson.annotations.Expose
+import com.google.gson.annotations.SerializedName
+
+class DataUser {
+    @SerializedName("data")
+    @Expose
+    var data: MutableList<DetailUser>? = null
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/local/model/DetailUser.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/local/model/DetailUser.kt
@@ -0,0 +1,30 @@
+package com.tuan88291.mvvmpattern.data.local.model
+
+import com.google.gson.annotations.Expose
+import com.google.gson.annotations.SerializedName
+
+class DetailUser {
+    @SerializedName("id")
+    @Expose
+    var id: Int? = null
+    @SerializedName("email")
+    @Expose
+    var email: String? = null
+    @SerializedName("first_name")
+    @Expose
+    var firstName: String? = null
+    @SerializedName("last_name")
+    @Expose
+    var lastName: String? = null
+    @SerializedName("avatar")
+    @Expose
+    var avatar: String? = null
+
+    constructor(id: Int?, email: String?, firstName: String?, lastName: String?, avatar: String?) {
+        this.id = id
+        this.email = email
+        this.firstName = firstName
+        this.lastName = lastName
+        this.avatar = avatar
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/local/room/AppDatabase.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/local/room/AppDatabase.kt
@@ -0,0 +1,13 @@
+package com.tuan88291.mvvmpattern.data.local.room
+
+import android.content.Context
+import androidx.room.Database
+import androidx.room.Room
+import androidx.room.RoomDatabase
+import com.tuan88291.mvvmpattern.data.local.entity.DataRoom
+
+@Database(entities = [DataRoom::class], version = 1, exportSchema = false)
+abstract class AppDatabase : RoomDatabase() {
+
+    abstract fun queries() : QueriesDao
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/local/room/QueriesDao.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/local/room/QueriesDao.kt
@@ -0,0 +1,21 @@
+package com.tuan88291.mvvmpattern.data.local.room
+
+import androidx.lifecycle.LiveData
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.Query
+import com.tuan88291.mvvmpattern.data.local.entity.DataRoom
+import io.reactivex.Completable
+
+@Dao
+interface QueriesDao {
+
+    @Query("select * from user ORDER BY id DESC")
+    fun getAll(): LiveData<MutableList<DataRoom>>
+
+    @Insert
+    fun insertData(item: DataRoom) : Completable
+
+    @Query("SELECT * FROM user where id = (SELECT MAX(id) FROM user) LIMIT 1")
+    fun getLast(): LiveData<DataRoom>
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/local/room/livedata/DBRepository.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/local/room/livedata/DBRepository.kt
@@ -0,0 +1,29 @@
+package com.tuan88291.mvvmpattern.data.local.room.livedata
+
+import android.annotation.SuppressLint
+import androidx.lifecycle.LiveData
+import com.tuan88291.mvvmpattern.data.local.entity.DataRoom
+import com.tuan88291.mvvmpattern.data.local.room.QueriesDao
+import com.tuan88291.mvvmpattern.utils.Utils
+import io.reactivex.android.schedulers.AndroidSchedulers
+import io.reactivex.schedulers.Schedulers
+@SuppressLint("CheckResult")
+class DBRepository internal constructor(val mQueries: QueriesDao): iDBRepository {
+    override fun getAll(): LiveData<MutableList<DataRoom>> {
+        return mQueries.getAll()
+    }
+
+    override fun getLast(): LiveData<DataRoom> {
+        return mQueries.getLast()
+    }
+
+    override fun insertData(item: DataRoom) {
+        mQueries.insertData(item)
+            .subscribeOn(Schedulers.io())
+            .observeOn(AndroidSchedulers.mainThread())
+            .subscribe(
+                { Utils.log("Insert db success", item) },
+                { Utils.log("Insert db Fail", item) }
+            )
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/local/room/livedata/DBmodel.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/local/room/livedata/DBmodel.kt
@@ -0,0 +1,19 @@
+package com.tuan88291.mvvmpattern.data.local.room.livedata
+
+import android.app.Application
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.ViewModel
+import com.tuan88291.mvvmpattern.data.local.entity.DataRoom
+import com.tuan88291.mvvmpattern.data.local.room.QueriesDao
+
+class DBmodel(val mRepository: iDBRepository) : ViewModel() {
+    fun getAll(): LiveData<MutableList<DataRoom>> {
+        return mRepository.getAll()
+    }
+    fun getLast(): LiveData<DataRoom> {
+        return mRepository.getLast()
+    }
+    fun insertData(item: DataRoom) {
+            mRepository.insertData(item)
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/local/room/livedata/iDBRepository.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/local/room/livedata/iDBRepository.kt
@@ -0,0 +1,10 @@
+package com.tuan88291.mvvmpattern.data.local.room.livedata
+
+import androidx.lifecycle.LiveData
+import com.tuan88291.mvvmpattern.data.local.entity.DataRoom
+
+interface iDBRepository {
+    fun getAll(): LiveData<MutableList<DataRoom>>
+    fun getLast(): LiveData<DataRoom>
+    fun insertData(item: DataRoom)
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/remote/ApiGenerator.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/remote/ApiGenerator.kt
@@ -0,0 +1,13 @@
+package com.tuan88291.mvvmpattern.data.remote
+
+import com.tuan88291.mvvmpattern.data.remote.service.iServiceApi
+
+class ApiGenerator(val service: iServiceApi) {
+    fun createApi(): CallApi {
+        return service.createService(CallApi::class.java)
+    }
+
+    fun createTokenApi(): CallApi {
+        return service.createServiceToken(CallApi::class.java)
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/remote/BaseInteractor.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/remote/BaseInteractor.kt
@@ -0,0 +1,5 @@
+package com.tuan88291.mvvmpattern.data.remote
+
+interface BaseInteractor {
+    val callAPi: CallApi
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/remote/CallApi.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/remote/CallApi.kt
@@ -0,0 +1,14 @@
+package com.tuan88291.mvvmpattern.data.remote
+
+
+import com.tuan88291.mvvmpattern.data.local.model.DataUser
+import io.reactivex.Observable
+import retrofit2.Response
+import retrofit2.http.GET
+import retrofit2.http.Query
+
+@JvmSuppressWildcards
+interface CallApi {
+    @GET("users")
+    fun getList(@Query("page") page: Int): Observable<DataUser>
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/remote/customcallback/BaseRetrofit.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/remote/customcallback/BaseRetrofit.kt
@@ -0,0 +1,111 @@
+package com.tuan88291.mvvmpattern.data.remote.customcallback
+
+import com.blankj.utilcode.util.LogUtils
+import com.google.gson.Gson
+import com.jakewharton.retrofit2.adapter.rxjava2.HttpException
+import com.tuan88291.mvvmpattern.utils.observe.AutoDisposable
+import com.tuan88291.mvvmpattern.utils.observe.addTo
+import io.reactivex.Observable
+import io.reactivex.android.schedulers.AndroidSchedulers
+import io.reactivex.observers.DisposableObserver
+import io.reactivex.schedulers.Schedulers
+import okhttp3.ResponseBody
+import org.json.JSONObject
+import retrofit2.Response
+import java.io.IOException
+import java.net.SocketTimeoutException
+
+abstract class BaseRetrofit<T>(callback: Observable<T>) {
+
+    init {
+        getRetrofit(callback)
+    }
+
+    private fun getRetrofit(callback: Observable<T>) {
+        onLoading()
+        if (callback != null) {
+            val dis = callback.observeOn(AndroidSchedulers.mainThread())
+                .subscribeOn(Schedulers.io())
+                .subscribeWith(object : DisposableObserver<T>() {
+                    override fun onComplete() {
+                        onLoadComplete()
+                    }
+                    override fun onNext(t: T) {
+                        try {
+                            onGetApiComplete(t)
+                        } catch (e: Exception) {
+                            if (e.localizedMessage == null) {
+                                onFail("Have some trouble, please try again")
+                            } else {
+                                onFail(e.localizedMessage)
+                            }
+                            LogUtils.a("Exeption fire: $e")
+                        }
+                        onLoadComplete()
+                    }
+
+                    override fun onError(e: Throwable) {
+                        try {
+                            if (e is HttpException) {
+                                val responseBody = e.response().errorBody()
+                                onFail(getMessage(responseBody!!))
+                            } else if (e is SocketTimeoutException) {
+                                onFail("Server not response, please try again")
+                            } else if (e is IOException) {
+                                onFail("Check your network please!")
+                            } else {
+                                if (e.localizedMessage == null) {
+                                    onFail("Have some trouble, please try again")
+                                } else {
+                                    onFail(e.localizedMessage)
+                                }
+
+                            }
+
+                        }catch (e1: Exception){
+                            onFail(e1.localizedMessage)
+
+                        }
+                        LogUtils.a("onError: $e")
+                        onLoadComplete()
+                    }
+
+                })
+            if (getDispose() != null) {
+                dis.addTo(getDispose()!!)
+            }
+
+        }else{
+            onFail("callback can not be null")
+            LogUtils.a("callback null")
+            onLoadComplete()
+        }
+    }
+
+
+    private fun getMessage(response: ResponseBody): String {
+        var mess: String
+        try {
+            val errorBody = response.string()
+            val jObjError = JSONObject(errorBody)
+            mess = jObjError.getString("message")
+        } catch (e: Exception) {
+            mess = "Have some trouble, please try again!"
+            LogUtils.a("Can not get message!", response.toString())
+        }
+        return mess
+    }
+    protected abstract fun getDispose(): AutoDisposable?
+    protected abstract fun onGetApiComplete(t: T)
+
+    protected open fun onLoading() {
+
+    }
+
+    protected open fun onLoadComplete() {
+
+    }
+
+    protected abstract fun onFail(err: String)
+
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/remote/service/ServiceApi.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/remote/service/ServiceApi.kt
@@ -0,0 +1,69 @@
+package com.tuan88291.mvvmpattern.data.remote.service
+
+import com.google.gson.GsonBuilder
+import com.jakewharton.retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory
+import com.tuan88291.mvvmpattern.BuildConfig
+import com.tuan88291.mvvmpattern.utils.Common
+import okhttp3.OkHttpClient
+import okhttp3.logging.HttpLoggingInterceptor
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import java.util.concurrent.TimeUnit
+
+class ServiceApi: iServiceApi {
+    private val logging = HttpLoggingInterceptor()
+    private val httpClient: OkHttpClient.Builder by lazy { OkHttpClient.Builder() }
+    private val builder = Retrofit.Builder()
+        .baseUrl(Common.DOMAIN)
+        .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
+        .addConverterFactory(GsonConverterFactory.create())
+
+    // service have not token
+    override fun <S> createService(serviceClass: Class<S>): S {
+        httpClient.apply {
+            readTimeout(3, TimeUnit.MINUTES)
+            connectTimeout(3, TimeUnit.MINUTES)
+            addInterceptor { chain ->
+                val requestBuilder = chain.request().newBuilder()
+                    .addHeader("Content-Type", "application/json; charset=utf-8")
+                    .addHeader("Accept", "application/json")
+                    .method(chain.request().method, chain.request().body)
+                val request = requestBuilder.build()
+                chain.proceed(request)
+            }
+            if (BuildConfig.DEBUG) {
+                logging.level = HttpLoggingInterceptor.Level.BODY
+                addInterceptor(logging)
+            }
+        }
+
+        val gson = GsonBuilder()
+            .setLenient()
+            .create()
+        val client = httpClient.build()
+        val retrofit = builder.client(client).addConverterFactory(
+            GsonConverterFactory.create(gson)).build()
+        return retrofit.create(serviceClass)
+    }
+
+    override fun <S> createServiceToken(serviceClass: Class<S>): S {
+        httpClient.apply {
+            readTimeout(3, TimeUnit.MINUTES)
+            connectTimeout(3, TimeUnit.MINUTES)
+            addInterceptor { chain ->
+                val requestBuilder = chain.request().newBuilder()
+                    .addHeader("Content-Type", "application/json")
+                    .addHeader("Accept", "application/json")
+                    .method(chain.request().method, chain.request().body).build()
+                chain.proceed(requestBuilder)
+            }
+            if (BuildConfig.DEBUG) {
+                logging.level = HttpLoggingInterceptor.Level.BODY
+                addInterceptor(logging)
+            }
+        }
+        val client = httpClient.build()
+        val retrofit = builder.client(client).build()
+        return retrofit.create(serviceClass)
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/data/remote/service/iServiceApi.kt b/app/src/main/java/com/tuan88291/mvvmpattern/data/remote/service/iServiceApi.kt
@@ -0,0 +1,6 @@
+package com.tuan88291.mvvmpattern.data.remote.service
+
+interface iServiceApi {
+    fun <S> createService(serviceClass: Class<S>): S
+    fun <S> createServiceToken(serviceClass: Class<S>): S
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/di/AppModule.kt b/app/src/main/java/com/tuan88291/mvvmpattern/di/AppModule.kt
@@ -0,0 +1,29 @@
+package com.tuan88291.mvvmpattern.di
+
+import androidx.room.Room
+import com.tuan88291.mvvmpattern.data.local.room.AppDatabase
+import com.tuan88291.mvvmpattern.data.local.room.livedata.DBRepository
+import com.tuan88291.mvvmpattern.data.local.room.livedata.DBmodel
+import com.tuan88291.mvvmpattern.data.local.room.livedata.iDBRepository
+import com.tuan88291.mvvmpattern.data.remote.ApiGenerator
+import com.tuan88291.mvvmpattern.data.remote.service.ServiceApi
+import com.tuan88291.mvvmpattern.data.remote.service.iServiceApi
+import com.tuan88291.mvvmpattern.view.fragment.chat.ChatViewModel
+import com.tuan88291.mvvmpattern.view.fragment.homefragment.HomeViewModel
+import org.koin.androidx.viewmodel.dsl.viewModel
+import org.koin.dsl.module
+
+val dbModule = module {
+    single { Room.databaseBuilder(get(), AppDatabase::class.java, "user-database").build() }
+    single { get<AppDatabase>().queries() }
+    single<iDBRepository> { DBRepository(get()) }
+    viewModel { DBmodel(get()) }
+}
+val mvvmModule = module {
+    viewModel { HomeViewModel(get()) }
+    viewModel { ChatViewModel() }
+}
+val RetrofitModule = module {
+    single<iServiceApi> { ServiceApi() }
+    single { ApiGenerator(get()) }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/utils/Common.kt b/app/src/main/java/com/tuan88291/mvvmpattern/utils/Common.kt
@@ -0,0 +1,6 @@
+package com.tuan88291.mvvmpattern.utils
+
+object Common {
+    val DOMAIN = "https://reqres.in/api/"
+    val SHARED_PREFERENCE_NAME = "AppName"
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/utils/SharedPrefs.kt b/app/src/main/java/com/tuan88291/mvvmpattern/utils/SharedPrefs.kt
@@ -0,0 +1,49 @@
+package com.tuan88291.mvvmpattern.utils
+
+import android.content.Context
+import android.content.SharedPreferences
+import com.tuan88291.mvvmpattern.App
+
+import com.tuan88291.mvvmpattern.utils.Common.SHARED_PREFERENCE_NAME
+
+
+class SharedPrefs private constructor(){
+    private val mSharedPreferences: SharedPreferences by lazy{ App.applicationContext().getSharedPreferences(SHARED_PREFERENCE_NAME, Context.MODE_PRIVATE) }
+    fun <T> get(key: String, anonymousClass: Class<T>): T {
+
+        return when (anonymousClass) {
+            String::class.java -> mSharedPreferences.getString(key, "") as T
+            Boolean::class.java -> mSharedPreferences.getBoolean(key, false) as T
+            Float::class.java -> mSharedPreferences.getFloat(key, 0f) as T
+            Int::class.java -> mSharedPreferences.getInt(key, 0) as T
+            Long::class.java -> mSharedPreferences.getLong(key, 0) as T
+            else -> App.getGson().fromJson(mSharedPreferences.getString(key, ""), anonymousClass)
+        }
+    }
+
+    fun <T> put(key: String, data: T) {
+        val editor = mSharedPreferences.edit()
+        when(data) {
+            is String -> editor.putString(key, data as String)
+            is Boolean -> editor.putBoolean(key, data as Boolean)
+            is Float -> editor.putFloat(key, data as Float)
+            is Int -> editor.putInt(key, data as Int)
+            is Long -> editor.putLong(key, data as Long)
+            else -> editor.putString(key, App.getGson().toJson(data))
+        }
+        editor.apply()
+    }
+    fun clear() {
+        mSharedPreferences.edit().clear().apply()
+    }
+    companion object {
+        private var mInstance: SharedPrefs? = null
+        val instance: SharedPrefs?
+            get() {
+                if (mInstance == null) {
+                    mInstance = SharedPrefs()
+                }
+                return mInstance!!
+            }
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/utils/Utils.kt b/app/src/main/java/com/tuan88291/mvvmpattern/utils/Utils.kt
@@ -0,0 +1,14 @@
+package com.tuan88291.mvvmpattern.utils
+
+import com.blankj.utilcode.util.LogUtils
+import com.google.gson.Gson
+
+object Utils {
+    fun log(msg: String, data: Any) {
+        try {
+            LogUtils.e("$msg: --->" + Gson().toJson(data))
+        } catch (e: Exception) {
+            LogUtils.e("$msg: --->" + e.message)
+        }
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/utils/observe/AutoDisposable.kt b/app/src/main/java/com/tuan88291/mvvmpattern/utils/observe/AutoDisposable.kt
@@ -0,0 +1,38 @@
+package com.tuan88291.mvvmpattern.utils.observe
+
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleObserver
+import androidx.lifecycle.OnLifecycleEvent
+import com.blankj.utilcode.util.LogUtils
+import io.reactivex.disposables.CompositeDisposable
+import io.reactivex.disposables.Disposable
+
+class AutoDisposable(lifecycle: Lifecycle?) : LifecycleObserver {
+    var compositeDisposable: CompositeDisposable? = null
+    init {
+        lifecycle?.addObserver(this)
+        compositeDisposable = CompositeDisposable()
+    }
+
+    fun add(disposable: Disposable) {
+        if (compositeDisposable != null) {
+            compositeDisposable?.add(disposable)
+        } else {
+            throw NotImplementedError("must bind AutoDisposable to a Lifecycle first")
+        }
+    }
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
+    fun onDestroy() {
+        compositeDisposable?.dispose()
+        LogUtils.a("Destroy this task success----->")
+    }
+    fun onDismiss() {
+        compositeDisposable?.dispose()
+        LogUtils.a("Cancel this task success----->")
+    }
+}
+
+fun Disposable.addTo(autoDisposable: AutoDisposable) {
+    autoDisposable.add(this)
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/utils/observe/ObserveEasy.kt b/app/src/main/java/com/tuan88291/mvvmpattern/utils/observe/ObserveEasy.kt
@@ -0,0 +1,50 @@
+package com.tuan88291.mvvmpattern.utils.observe
+
+import io.reactivex.Observable
+import io.reactivex.android.schedulers.AndroidSchedulers
+import io.reactivex.observers.DisposableObserver
+import io.reactivex.schedulers.Schedulers
+
+abstract class ObserveEasy
+protected constructor() {
+    init {
+        onLoading()
+        val doWork = Observable.fromCallable { doBackground() }
+            .subscribeOn(Schedulers.io())
+            .observeOn(AndroidSchedulers.mainThread())
+            .subscribeWith(object : DisposableObserver<Any>() {
+
+                override fun onNext(o: Any) {
+                    try {
+                        onSuccess(o)
+                    } catch (e: Exception) {
+                        onFail(e.message!!)
+                    }
+
+                }
+
+                override fun onError(e: Throwable) {
+                    onFail(e.message!!)
+                    onComplete()
+                }
+
+                override fun onComplete() {
+                    onLoadComplete()
+                }
+            })
+        if (getDispose() != null)
+            doWork.addTo(getDispose()!!)
+
+    }
+
+    protected abstract fun getDispose(): AutoDisposable?
+    protected abstract fun doBackground(): Any?
+
+    protected open fun onSuccess(result: Any?) {}
+
+    protected open fun onLoading() {}
+
+    protected open fun onLoadComplete() {}
+
+    protected open fun onFail(err: String) {}
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/view/activity/MainActivity.kt b/app/src/main/java/com/tuan88291/mvvmpattern/view/activity/MainActivity.kt
@@ -0,0 +1,127 @@
+package com.tuan88291.mvvmpattern.view.activity
+
+import android.os.Bundle
+import com.google.android.material.navigation.NavigationView
+import androidx.core.view.GravityCompat
+import androidx.appcompat.app.ActionBarDrawerToggle
+import android.view.Menu
+import android.view.MenuItem
+import android.view.View
+import androidx.databinding.DataBindingUtil
+import androidx.lifecycle.ViewModelProviders
+import com.tuan88291.mvvmpattern.BaseActivity
+import com.tuan88291.mvvmpattern.R
+import com.tuan88291.mvvmpattern.data.local.model.Data
+import com.tuan88291.mvvmpattern.databinding.ActivityMainBinding
+import com.tuan88291.mvvmpattern.utils.observe.AutoDisposable
+import com.tuan88291.mvvmpattern.utils.observe.addTo
+import com.tuan88291.mvvmpattern.view.fragment.chat.ChatFragment
+import com.tuan88291.mvvmpattern.view.fragment.homefragment.HomeFragment
+import io.reactivex.Observable
+import io.reactivex.android.schedulers.AndroidSchedulers
+import io.reactivex.schedulers.Schedulers
+import java.util.concurrent.TimeUnit
+
+class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedListener {
+
+    var binding: ActivityMainBinding? = null
+    private var item: Data? = null
+    private var autodis: AutoDisposable? =  null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        autodis = AutoDisposable(this.lifecycle)
+        binding = DataBindingUtil.setContentView(this, R.layout.activity_main)
+        setSupportActionBar(binding?.appBar?.toolbar)
+        item = ViewModelProviders.of(this).get(Data::class.java)
+
+        val toggle = ActionBarDrawerToggle(
+            this, binding?.drawerLayout, binding?.appBar?.toolbar,
+            R.string.navigation_drawer_open,
+            R.string.navigation_drawer_close
+        )
+        binding?.drawerLayout?.addDrawerListener(toggle)
+        toggle.syncState()
+
+        binding?.navView?.setNavigationItemSelectedListener(this)
+        binding?.appBar?.title?.text = "Call API"
+        addFragment(HomeFragment())
+    }
+
+    override fun onBackPressed() {
+        if (binding?.drawerLayout!!.isDrawerOpen(GravityCompat.START)) {
+            binding?.drawerLayout?.closeDrawer(GravityCompat.START)
+        } else {
+            super.onBackPressed()
+        }
+    }
+
+    fun setItem(it: String) {
+        item?.example = it
+    }
+
+    fun getItem(): String {
+        return item!!.example
+    }
+    fun setTyping(msg: String) {
+        binding?.appBar?.typing?.visibility = View.VISIBLE
+        binding?.appBar?.typing?.text = "$msg is typing..."
+        setUpTyping()
+    }
+
+    fun setUpTyping() {
+        Observable.just(true).delay(3000, TimeUnit.MILLISECONDS)
+            .subscribeOn(Schedulers.io())
+            .observeOn(AndroidSchedulers.mainThread())
+            .map {
+                binding?.appBar?.typing?.visibility = View.GONE
+            }
+            .subscribe().addTo(autodis!!)
+
+    }
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        menuInflater.inflate(R.menu.main, menu)
+        return true
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        // Handle action bar item clicks here. The action bar will
+        // automatically handle clicks on the Home/Up button, so long
+        // as you specify a parent activity in AndroidManifest.xml.
+        when (item.itemId) {
+            R.id.action_settings -> return true
+            else -> return super.onOptionsItemSelected(item)
+        }
+    }
+
+    override fun onNavigationItemSelected(item: MenuItem): Boolean {
+        // Handle navigation view item clicks here.
+        when (item.itemId) {
+            R.id.nav_camera -> {
+                binding?.appBar?.title?.text = "Call API"
+                addFragment(HomeFragment())
+            }
+            R.id.nav_gallery -> {
+                binding?.appBar?.title?.text = "Chat socket"
+                addFragment(ChatFragment())
+
+            }
+            R.id.nav_slideshow -> {
+
+            }
+            R.id.nav_manage -> {
+
+            }
+            R.id.nav_share -> {
+
+            }
+            R.id.nav_send -> {
+
+            }
+        }
+
+        binding?.drawerLayout?.closeDrawer(GravityCompat.START)
+        return true
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/view/adapter/AdapterChat.kt b/app/src/main/java/com/tuan88291/mvvmpattern/view/adapter/AdapterChat.kt
@@ -0,0 +1,74 @@
+package com.tuan88291.mvvmpattern.view.adapter
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.tuan88291.mvvmpattern.BR
+import com.tuan88291.mvvmpattern.data.local.model.DataChat
+import com.tuan88291.mvvmpattern.databinding.ItemChatFriendBinding
+import com.tuan88291.mvvmpattern.databinding.ItemChatYouBinding
+
+class AdapterChat(private val context: Context) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    private val inflater: LayoutInflater
+    internal var data = mutableListOf<DataChat>()
+    private var name: String? = null
+    init {
+        inflater = LayoutInflater.from(context)
+    }
+    fun setId(name: String) {
+     this.name = name
+    }
+    fun setData(item: DataChat) {
+        this.data.add(item)
+        notifyItemInserted(this.data.size - 1)
+    }
+    fun addAllData(data: MutableList<DataChat>) {
+        this.data = data
+        notifyDataSetChanged()
+    }
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        if (this.data[viewType].name == name) {
+            return MyHolder(ItemChatYouBinding.inflate(LayoutInflater.from(parent.context), parent, false))
+        }
+        return FriendHolder(ItemChatFriendBinding.inflate(LayoutInflater.from(parent.context), parent, false))
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        val item = data.getOrElse(position) { data.getOrNull(0) }
+        if (holder is MyHolder) {
+            holder.bind(item!!)
+        } else {
+            val mHolder = holder as FriendHolder
+            mHolder.bind(item!!)
+        }
+    }
+
+    override fun getItemViewType(position: Int): Int {
+        return position
+    }
+
+    override fun getItemCount(): Int {
+        return data.size
+    }
+
+    internal inner class MyHolder(binding: ItemChatYouBinding) : RecyclerView.ViewHolder(binding.root) {
+        var binding: ItemChatYouBinding? = null
+        init {
+            this.binding = binding
+        }
+        fun bind(item: Any) {
+            this.binding?.setVariable(BR.userChat, item)
+        }
+    }
+    internal inner class FriendHolder(binding: ItemChatFriendBinding) : RecyclerView.ViewHolder(binding.root) {
+        var binding: ItemChatFriendBinding? = null
+        init {
+            this.binding = binding
+        }
+        fun bind(item: Any) {
+            this.binding?.setVariable(BR.userChat, item)
+        }
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/view/adapter/DBApdapter.kt b/app/src/main/java/com/tuan88291/mvvmpattern/view/adapter/DBApdapter.kt
@@ -0,0 +1,48 @@
+package com.tuan88291.mvvmpattern.view.adapter
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.tuan88291.mvvmpattern.BR
+import com.tuan88291.mvvmpattern.data.local.entity.DataRoom
+import com.tuan88291.mvvmpattern.databinding.ItemDbBinding
+
+class DBApdapter(private val context: Context) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    private val inflater: LayoutInflater
+    internal var data = mutableListOf<DataRoom>()
+    private var binding: ItemDbBinding? = null
+
+    init {
+        inflater = LayoutInflater.from(context)
+    }
+    fun setData(data: MutableList<DataRoom>) {
+        this.data = data
+        notifyDataSetChanged()
+    }
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        binding = ItemDbBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+        return MyHolder(binding!!)
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        val item = data.getOrElse(position) { data.getOrNull(0) }
+        val mHolder = holder as MyHolder
+        mHolder.bind(item!!)
+    }
+
+    override fun getItemCount(): Int {
+        return data.size
+    }
+
+    internal inner class MyHolder(binding: ItemDbBinding) : RecyclerView.ViewHolder(binding.root) {
+        var binding: ItemDbBinding? = null
+        init {
+            this.binding = binding
+        }
+        fun bind(item: Any) {
+            this.binding?.setVariable(BR.userDB, item)
+        }
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/view/adapter/HomeAdapter.kt b/app/src/main/java/com/tuan88291/mvvmpattern/view/adapter/HomeAdapter.kt
@@ -0,0 +1,49 @@
+package com.tuan88291.mvvmpattern.view.adapter
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.RecyclerView
+import com.tuan88291.mvvmpattern.BR
+import com.tuan88291.mvvmpattern.data.local.model.DetailUser
+import com.tuan88291.mvvmpattern.databinding.ItemHomeBinding
+
+
+class HomeAdapter(private val context: Context) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    private val inflater: LayoutInflater
+    internal var data = mutableListOf<DetailUser>()
+    private var binding: ItemHomeBinding? = null
+
+    init {
+        inflater = LayoutInflater.from(context)
+    }
+    fun setData(data: MutableList<DetailUser>) {
+        this.data.addAll(data)
+        notifyDataSetChanged()
+    }
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        binding = ItemHomeBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+        return MyHolder(binding!!)
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        val item = data.getOrElse(position) { data.getOrNull(0) }
+        val mHolder = holder as MyHolder
+        mHolder.bind(item!!)
+    }
+
+    override fun getItemCount(): Int {
+        return data.size
+    }
+
+    internal inner class MyHolder(binding: ItemHomeBinding) : RecyclerView.ViewHolder(binding.root) {
+        var binding: ItemHomeBinding? = null
+        init {
+            this.binding = binding
+        }
+        fun bind(item: Any) {
+            this.binding?.setVariable(BR.user, item)
+        }
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/view/components/ListChatSocket.kt b/app/src/main/java/com/tuan88291/mvvmpattern/view/components/ListChatSocket.kt
@@ -0,0 +1,44 @@
+package com.tuan88291.mvvmpattern.view.components
+
+import android.content.Context
+import android.util.AttributeSet
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.tuan88291.mvvmpattern.data.local.model.DataChat
+import com.tuan88291.mvvmpattern.view.adapter.AdapterChat
+
+class ListChatSocket(context: Context, attrs: AttributeSet) : RecyclerView(context, attrs) {
+    private var mLayoutManager: LinearLayoutManager? = null
+    private var mAdapter: AdapterChat? = null
+
+    init {
+        setUpList(context)
+    }
+
+    private fun setUpList(context: Context) {
+        mLayoutManager = LinearLayoutManager(context)
+        mAdapter = AdapterChat(context)
+        this.apply {
+            adapter = mAdapter
+            layoutManager = mLayoutManager
+        }
+    }
+    fun setmId(name: String) {
+        mAdapter?.setId(name)
+    }
+    fun setData(item: DataChat) {
+        mAdapter?.setData(item)
+        this.smoothScrollToPosition(mAdapter!!.itemCount - 1)
+    }
+    fun addAllData(data: MutableList<DataChat>) {
+        mAdapter?.addAllData(data)
+        this.scrollToEnd()
+    }
+    fun scrollToEnd() {
+        try {
+            this.smoothScrollToPosition(mAdapter!!.itemCount - 1)
+        }catch (e: Exception) {
+
+        }
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/view/components/ListItemDB.kt b/app/src/main/java/com/tuan88291/mvvmpattern/view/components/ListItemDB.kt
@@ -0,0 +1,29 @@
+package com.tuan88291.mvvmpattern.view.components
+
+import android.content.Context
+import android.util.AttributeSet
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.tuan88291.mvvmpattern.data.local.entity.DataRoom
+import com.tuan88291.mvvmpattern.view.adapter.DBApdapter
+
+class ListItemDB(context: Context, attrs: AttributeSet) : RecyclerView(context, attrs) {
+    private var mLayoutManager: LinearLayoutManager? = null
+    private var mAdapter: DBApdapter? = null
+
+    init {
+        setUpList(context)
+    }
+
+    private fun setUpList(context: Context) {
+        mLayoutManager = LinearLayoutManager(context)
+        mAdapter = DBApdapter(context)
+        this.apply {
+            adapter = mAdapter
+            layoutManager = mLayoutManager
+        }
+    }
+    fun setData(data: MutableList<DataRoom>) {
+        mAdapter?.setData(data)
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/view/components/ListItemUser.kt b/app/src/main/java/com/tuan88291/mvvmpattern/view/components/ListItemUser.kt
@@ -0,0 +1,29 @@
+package com.tuan88291.mvvmpattern.view.components
+
+import android.content.Context
+import android.util.AttributeSet
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.tuan88291.mvvmpattern.data.local.model.DetailUser
+import com.tuan88291.mvvmpattern.view.adapter.HomeAdapter
+
+class ListItemUser(context: Context, attrs: AttributeSet) : RecyclerView(context, attrs) {
+    private var mLayoutManager: LinearLayoutManager? = null
+    private var mAdapter: HomeAdapter? = null
+
+    init {
+        setUpList(context)
+    }
+
+    private fun setUpList(context: Context) {
+        mLayoutManager = LinearLayoutManager(context)
+        mAdapter = HomeAdapter(context)
+        this.apply {
+            adapter = mAdapter
+            layoutManager = mLayoutManager
+        }
+    }
+    fun setData(data: MutableList<DetailUser>) {
+        mAdapter?.setData(data)
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/view/fragment/chat/ChatFragment.kt b/app/src/main/java/com/tuan88291/mvvmpattern/view/fragment/chat/ChatFragment.kt
@@ -0,0 +1,89 @@
+package com.tuan88291.mvvmpattern.view.fragment.chat
+
+import android.os.Build
+import android.os.Bundle
+import android.text.Editable
+import android.text.TextWatcher
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.databinding.DataBindingUtil
+import androidx.lifecycle.Observer
+import com.tuan88291.mvvmpattern.BaseFragment
+import com.tuan88291.mvvmpattern.R
+import com.tuan88291.mvvmpattern.data.local.model.DataChat
+import com.tuan88291.mvvmpattern.databinding.AboutFragmentBinding
+import com.tuan88291.mvvmpattern.utils.observe.AutoDisposable
+import com.tuan88291.mvvmpattern.utils.observe.addTo
+import io.reactivex.Observable
+import io.reactivex.android.schedulers.AndroidSchedulers
+import io.reactivex.functions.Function
+import io.reactivex.schedulers.Schedulers
+import org.koin.androidx.viewmodel.ext.android.viewModel
+import java.util.concurrent.TimeUnit
+
+
+class ChatFragment : BaseFragment() {
+    private var binding: AboutFragmentBinding? = null
+    private val chatViewModel: ChatViewModel by viewModel()
+    override fun setView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        binding = DataBindingUtil.inflate(inflater, R.layout.about_fragment, container, false)
+        return binding!!.getRoot()
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        lifecycle.addObserver(chatViewModel)
+    }
+
+    override fun viewCreated(view: View, savedInstanceState: Bundle?) {
+        binding?.list?.setmId(Build.MODEL)
+        chatViewModel.getTyping().observe(this, Observer<String> { this.onTyping(it) })
+        chatViewModel.getLoading().observe(this, Observer<Boolean> { this.loading(it) })
+        chatViewModel.getDataChat().observe(this, Observer<DataChat> { this.processData(it) })
+        chatViewModel.getAllDataChat().observe(this, Observer<MutableList<DataChat>> { this.processAllData(it) })
+        binding?.send?.setOnClickListener {
+            if (binding?.input?.text?.toString()!! == "") return@setOnClickListener
+            chatViewModel.sendMsg(binding?.input?.text?.toString()!!)
+            binding?.input?.setText("")
+        }
+        binding?.input?.addTextChangedListener(object : TextWatcher{
+            override fun afterTextChanged(p0: Editable?) {
+
+            }
+
+            override fun beforeTextChanged(p0: CharSequence?, p1: Int, p2: Int, p3: Int) {
+            }
+
+            override fun onTextChanged(p0: CharSequence?, p1: Int, p2: Int, p3: Int) {
+                chatViewModel.emitTyping()
+            }
+
+        })
+        mContext()?.setUpTyping()
+    }
+
+    private fun processData(item: DataChat) {
+        binding?.list?.setData(item)
+    }
+    private fun processAllData(data: MutableList<DataChat>) {
+        binding?.list?.addAllData(data)
+    }
+    private fun loading(load: Boolean) {
+        binding?.loading?.visibility = if (load) View.VISIBLE else View.GONE
+    }
+    private fun onTyping(typings: String) {
+        if (typings !== "") {
+            mContext()?.setTyping(typings)
+        }
+    }
+    override fun onDestroy() {
+        super.onDestroy()
+        lifecycle.removeObserver(chatViewModel)
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/view/fragment/chat/ChatViewModel.kt b/app/src/main/java/com/tuan88291/mvvmpattern/view/fragment/chat/ChatViewModel.kt
@@ -0,0 +1,97 @@
+package com.tuan88291.mvvmpattern.view.fragment.chat
+
+import android.os.Build
+import androidx.lifecycle.*
+import com.tuan88291.mvvmpattern.data.local.model.DataChat
+import io.socket.client.IO
+import io.socket.client.Socket
+import io.socket.emitter.Emitter
+import org.json.JSONArray
+import org.json.JSONObject
+
+
+class ChatViewModel: ViewModel(), LifecycleObserver {
+    private val isLoading: MutableLiveData<Boolean> by lazy { MutableLiveData<Boolean>() }
+    private val listTyping: MutableLiveData<String> by lazy { MutableLiveData<String>() }
+    private val data: MutableLiveData<DataChat> by lazy { MutableLiveData<DataChat>() }
+    private val allData: MutableLiveData<MutableList<DataChat>> by lazy { MutableLiveData<MutableList<DataChat>>() }
+//    private val mSocket: Socket by lazy { IO.socket("http://192.168.31.196:3000") }
+        private val mSocket: Socket by lazy { IO.socket("http://35.227.150.67:3000") }
+    val mId: Int = (0..10).random()
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_CREATE)
+    fun onCreateSocket() {
+        mSocket.connect()
+        mSocket.on("newmsg", onNewMsg)
+        mSocket.on("allData", getAllData)
+        mSocket.on("isTyping", onTyping)
+        mSocket.emit("getAllData")
+
+    }
+    @OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
+    fun reConnectSocket() {
+        if (!mSocket.connected()) {
+            mSocket.connect()
+        }
+    }
+    fun sendMsg(msg: String) {
+        val jsonObject = JSONObject()
+        jsonObject.put("id", mId)
+        jsonObject.put("name", Build.MODEL)
+        jsonObject.put("message", msg)
+        mSocket.emit("sendmsg", jsonObject)
+    }
+    private val onNewMsg = object : Emitter.Listener {
+
+        override fun call(vararg args: Any?) {
+            val datas = args[0] as JSONObject
+            val item = DataChat(datas.getInt("id"), datas.getString("name"), datas.getString("message"))
+            data.postValue(item)
+        }
+    }
+    private val getAllData = object : Emitter.Listener {
+
+        override fun call(vararg args: Any?) {
+            val datas = args[0] as JSONArray
+            if (datas.length() > 0) {
+                val data =  mutableListOf<DataChat>()
+                for (i in 0..datas.length() - 1) {
+                    val jsObject = datas[i] as JSONObject
+                    data.add(DataChat(jsObject.getInt("id"), jsObject.getString("name"), jsObject.getString("message")))
+                }
+                allData.postValue(data)
+            }
+            isLoading.postValue(false)
+        }
+    }
+    private val onTyping = object : Emitter.Listener {
+
+        override fun call(vararg args: Any?) {
+            val datas = args[0].toString()
+            var listUser = ""
+            if (datas != Build.MODEL) {
+                listUser = "$datas"
+            }
+            listTyping.postValue(listUser)
+        }
+    }
+    fun emitTyping() {
+        mSocket.emit("typing", Build.MODEL)
+    }
+    fun getDataChat(): MutableLiveData<DataChat>{
+        return this.data
+    }
+    fun getLoading(): MutableLiveData<Boolean>{
+        return this.isLoading
+    }
+    fun getTyping(): MutableLiveData<String>{
+        return this.listTyping
+    }
+    fun getAllDataChat(): MutableLiveData<MutableList<DataChat>>{
+        return this.allData
+    }
+    @OnLifecycleEvent(Lifecycle.Event.ON_STOP)
+    fun onDestroySocket() {
+        mSocket.disconnect()
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/view/fragment/homefragment/HomeFragment.kt b/app/src/main/java/com/tuan88291/mvvmpattern/view/fragment/homefragment/HomeFragment.kt
@@ -0,0 +1,65 @@
+package com.tuan88291.mvvmpattern.view.fragment.homefragment
+
+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.lifecycle.Observer
+import com.tuan88291.mvvmpattern.BaseFragment
+import com.tuan88291.mvvmpattern.R
+import com.tuan88291.mvvmpattern.data.local.entity.DataRoom
+import com.tuan88291.mvvmpattern.data.local.model.DataUser
+import com.tuan88291.mvvmpattern.data.local.model.DetailUser
+import com.tuan88291.mvvmpattern.data.local.room.livedata.DBmodel
+import com.tuan88291.mvvmpattern.databinding.HomeFragmentBinding
+import org.koin.androidx.viewmodel.ext.android.viewModel
+
+class HomeFragment : BaseFragment() {
+    private val homeViewModel: HomeViewModel by viewModel()
+    private var binding: HomeFragmentBinding? = null
+    private val db: DBmodel by viewModel()
+
+    override fun setView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        binding = DataBindingUtil.inflate(inflater, R.layout.home_fragment, container, false)
+        return binding!!.getRoot()
+    }
+
+    override fun viewCreated(view: View, savedInstanceState: Bundle?) {
+
+        homeViewModel.getData().observe(this, Observer<DataUser> { this.processData(it) })
+        homeViewModel.loading().observe(this, Observer<Boolean> { this.loading(it) })
+        homeViewModel.error().observe(this, Observer<String> { this.error(it) })
+
+        db.getAll().observe(this, Observer<MutableList<DataRoom>> { this.onDataChange(it) })
+
+        binding?.button?.setOnClickListener{
+            homeViewModel.loadData()
+        }
+        binding?.btn?.setOnClickListener {
+            db.insertData(DataRoom("tuan", (0..10).random()))
+        }
+    }
+    private fun onDataChange(data: MutableList<DataRoom>) {
+        binding?.list?.visibility = View.GONE
+        binding?.listDb?.visibility = View.VISIBLE
+        binding?.listDb?.setData(data)
+    }
+    private fun processData(data: DataUser) {
+        binding?.list?.visibility = View.VISIBLE
+        binding?.listDb?.visibility = View.GONE
+        try {
+            binding?.list?.setData(data.data!!)
+        }catch (e: Exception) {
+        }
+    }
+    private fun loading(isLoading: Boolean) {
+        binding?.progressBar?.visibility = if (isLoading) View.VISIBLE else View.GONE
+    }
+    private fun error(msg: String) {
+    }
+    fun toast(msg: String) {
+        Toast.makeText(mContext(), msg, Toast.LENGTH_LONG).show()
+    }
+}
diff --git a/app/src/main/java/com/tuan88291/mvvmpattern/view/fragment/homefragment/HomeViewModel.kt b/app/src/main/java/com/tuan88291/mvvmpattern/view/fragment/homefragment/HomeViewModel.kt
@@ -0,0 +1,56 @@
+package com.tuan88291.mvvmpattern.view.fragment.homefragment
+
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import com.tuan88291.mvvmpattern.data.local.model.DataUser
+import com.tuan88291.mvvmpattern.data.remote.ApiGenerator
+import com.tuan88291.mvvmpattern.data.remote.BaseInteractor
+import com.tuan88291.mvvmpattern.data.remote.CallApi
+import com.tuan88291.mvvmpattern.data.remote.customcallback.BaseRetrofit
+import com.tuan88291.mvvmpattern.utils.observe.AutoDisposable
+
+class HomeViewModel(api: ApiGenerator): ViewModel(), BaseInteractor {
+    override val callAPi: CallApi = api.createApi()
+
+    private val dataServer: MutableLiveData<DataUser> by lazy { MutableLiveData<DataUser>() }
+    private val isLoading: MutableLiveData<Boolean> by lazy { MutableLiveData<Boolean>() }
+    private val error: MutableLiveData<String> by lazy { MutableLiveData<String>() }
+    private val autodis = AutoDisposable(null)
+    fun getData(): MutableLiveData<DataUser>{
+        return this.dataServer
+    }
+    fun loading(): MutableLiveData<Boolean>{
+        return this.isLoading
+    }
+    fun error(): MutableLiveData<String>{
+        return this.error
+    }
+    fun loadData(){
+        object : BaseRetrofit<DataUser>(callAPi.getList(1)) {
+            override fun onFail(err: String) {
+                error.postValue(err)
+            }
+
+            override fun onLoading() {
+                super.onLoading()
+                isLoading.postValue(true)
+            }
+
+            override fun onLoadComplete() {
+                super.onLoadComplete()
+                isLoading.postValue(false)
+            }
+
+            override fun getDispose(): AutoDisposable? {
+                return autodis
+            }
+
+            override fun onGetApiComplete(t: DataUser) {
+                dataServer.postValue(t)
+            }
+        }
+    }
+    fun dispose() {
+        autodis.onDismiss()
+    }
+}
diff --git a/app/src/main/res/drawable-v21/ic_menu_camera.xml b/app/src/main/res/drawable-v21/ic_menu_camera.xml
@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+            android:fillColor="#FF000000"
+            android:pathData="M12,12m-3.2,0a3.2,3.2 0,1 1,6.4 0a3.2,3.2 0,1 1,-6.4 0"/>
+    <path
+            android:fillColor="#FF000000"
+            android:pathData="M9,2L7.17,4H4c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2V6c0,-1.1 -0.9,-2 -2,-2h-3.17L15,2H9zm3,15c-2.76,0 -5,-2.24 -5,-5s2.24,-5 5,-5 5,2.24 5,5 -2.24,5 -5,5z"/>
+</vector>
diff --git a/app/src/main/res/drawable-v21/ic_menu_gallery.xml b/app/src/main/res/drawable-v21/ic_menu_gallery.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+            android:fillColor="#FF000000"
+            android:pathData="M22,16V4c0,-1.1 -0.9,-2 -2,-2H8c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2zm-11,-4l2.03,2.71L16,11l4,5H8l3,-4zM2,6v14c0,1.1 0.9,2 2,2h14v-2H4V6H2z"/>
+</vector>
diff --git a/app/src/main/res/drawable-v21/ic_menu_manage.xml b/app/src/main/res/drawable-v21/ic_menu_manage.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+            android:fillColor="#FF000000"
+            android:pathData="M22.7,19l-9.1,-9.1c0.9,-2.3 0.4,-5 -1.5,-6.9 -2,-2 -5,-2.4 -7.4,-1.3L9,6 6,9 1.6,4.7C0.4,7.1 0.9,10.1 2.9,12.1c1.9,1.9 4.6,2.4 6.9,1.5l9.1,9.1c0.4,0.4 1,0.4 1.4,0l2.3,-2.3c0.5,-0.4 0.5,-1.1 0.1,-1.4z"/>
+</vector>
diff --git a/app/src/main/res/drawable-v21/ic_menu_send.xml b/app/src/main/res/drawable-v21/ic_menu_send.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+            android:fillColor="#FF000000"
+            android:pathData="M2.01,21L23,12 2.01,3 2,10l15,2 -15,2z"/>
+</vector>
diff --git a/app/src/main/res/drawable-v21/ic_menu_share.xml b/app/src/main/res/drawable-v21/ic_menu_share.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+            android:fillColor="#FF000000"
+            android:pathData="M18,16.08c-0.76,0 -1.44,0.3 -1.96,0.77L8.91,12.7c0.05,-0.23 0.09,-0.46 0.09,-0.7s-0.04,-0.47 -0.09,-0.7l7.05,-4.11c0.54,0.5 1.25,0.81 2.04,0.81 1.66,0 3,-1.34 3,-3s-1.34,-3 -3,-3 -3,1.34 -3,3c0,0.24 0.04,0.47 0.09,0.7L8.04,9.81C7.5,9.31 6.79,9 6,9c-1.66,0 -3,1.34 -3,3s1.34,3 3,3c0.79,0 1.5,-0.31 2.04,-0.81l7.12,4.16c-0.05,0.21 -0.08,0.43 -0.08,0.65 0,1.61 1.31,2.92 2.92,2.92 1.61,0 2.92,-1.31 2.92,-2.92s-1.31,-2.92 -2.92,-2.92z"/>
+</vector>
diff --git a/app/src/main/res/drawable-v21/ic_menu_slideshow.xml b/app/src/main/res/drawable-v21/ic_menu_slideshow.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+            android:fillColor="#FF000000"
+            android:pathData="M4,6H2v14c0,1.1 0.9,2 2,2h14v-2H4V6zm16,-4H8c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2V4c0,-1.1 -0.9,-2 -2,-2zm-8,12.5v-9l6,4.5 -6,4.5z"/>
+</vector>
diff --git a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:aapt="http://schemas.android.com/aapt"
+        android:width="108dp"
+        android:height="108dp"
+        android:viewportHeight="108"
+        android:viewportWidth="108">
+    <path
+            android:fillType="evenOdd"
+            android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+            android:strokeColor="#00000000"
+            android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                    android:endX="78.5885"
+                    android:endY="90.9159"
+                    android:startX="48.7653"
+                    android:startY="61.0927"
+                    android:type="linear">
+                <item
+                        android:color="#44000000"
+                        android:offset="0.0"/>
+                <item
+                        android:color="#00000000"
+                        android:offset="1.0"/>
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+            android:fillColor="#FFFFFF"
+            android:fillType="nonZero"
+            android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+            android:strokeColor="#00000000"
+            android:strokeWidth="1"/>
+</vector>
diff --git a/app/src/main/res/drawable/bg_chat.xml b/app/src/main/res/drawable/bg_chat.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <solid
+        android:color="#0b8bf4" >
+    </solid>
+
+    <padding
+        android:left="10dp"
+        android:top="10dp"
+        android:right="10dp"
+        android:bottom="10dp" >
+    </padding>
+
+    <corners
+        android:radius="15dp" >
+    </corners>
+
+</shape>
diff --git a/app/src/main/res/drawable/bg_text.xml b/app/src/main/res/drawable/bg_text.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <solid
+        android:color="#e0ecf9" >
+    </solid>
+    <padding
+        android:left="10dp"
+        android:top="10dp"
+        android:right="10dp"
+        android:bottom="10dp" >
+    </padding>
+
+    <corners
+        android:radius="15dp" >
+    </corners>
+
+</shape>
diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:height="108dp"
+        android:width="108dp"
+        android:viewportHeight="108"
+        android:viewportWidth="108">
+    <path android:fillColor="#008577"
+          android:pathData="M0,0h108v108h-108z"/>
+    <path android:fillColor="#00000000" android:pathData="M9,0L9,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,0L19,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,0L29,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,0L39,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,0L49,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,0L59,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,0L69,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,0L79,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M89,0L89,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M99,0L99,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,9L108,9"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,19L108,19"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,29L108,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,39L108,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,49L108,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,59L108,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,69L108,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,79L108,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,89L108,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,99L108,99"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,29L89,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,39L89,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,49L89,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,59L89,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,69L89,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,79L89,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,19L29,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,19L39,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,19L49,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,19L59,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,19L69,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,19L79,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+</vector>
diff --git a/app/src/main/res/drawable/side_nav_bar.xml b/app/src/main/res/drawable/side_nav_bar.xml
@@ -0,0 +1,9 @@
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+       android:shape="rectangle">
+    <gradient
+            android:angle="135"
+            android:centerColor="#009688"
+            android:endColor="#00695C"
+            android:startColor="#4DB6AC"
+            android:type="linear"/>
+</shape>
diff --git a/app/src/main/res/layout/about_fragment.xml b/app/src/main/res/layout/about_fragment.xml
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <data></data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+
+        <EditText
+            android:id="@+id/input"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="8dp"
+            android:layout_marginRight="8dp"
+            android:background="#E6E4E4"
+            android:ems="10"
+            android:hint="Enter message..."
+            android:inputType="textMultiLine"
+            android:padding="@dimen/_10sdp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toStartOf="@+id/send"
+            app:layout_constraintStart_toStartOf="parent" />
+
+        <ImageButton
+            android:id="@+id/send"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:padding="@dimen/_10sdp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:srcCompat="@drawable/ic_menu_send" />
+
+        <com.tuan88291.mvvmpattern.view.components.ListChatSocket
+            android:id="@+id/list"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            app:layout_constraintBottom_toTopOf="@+id/input"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.6"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent">
+
+        </com.tuan88291.mvvmpattern.view.components.ListChatSocket>
+
+        <ProgressBar
+            android:id="@+id/loading"
+            style="?android:attr/progressBarStyle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.5"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:app="http://schemas.android.com/apk/res-auto"
+        xmlns:tools="http://schemas.android.com/tools"
+        xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <data></data>
+
+    <androidx.drawerlayout.widget.DrawerLayout
+            android:id="@+id/drawer_layout"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:fitsSystemWindows="true"
+            tools:openDrawer="start">
+
+        <include
+                android:id="@+id/appBar"
+                layout="@layout/app_bar_main"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"/>
+
+        <com.google.android.material.navigation.NavigationView
+                android:id="@+id/nav_view"
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:layout_gravity="start"
+                android:fitsSystemWindows="true"
+                app:headerLayout="@layout/nav_header_main"
+                app:menu="@menu/activity_main_drawer"/>
+
+    </androidx.drawerlayout.widget.DrawerLayout>
+</layout>
diff --git a/app/src/main/res/layout/app_bar_main.xml b/app/src/main/res/layout/app_bar_main.xml
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        xmlns:tools="http://schemas.android.com/tools">
+
+    <data></data>
+
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            tools:context=".view.activity.MainActivity">
+
+        <com.google.android.material.appbar.AppBarLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:theme="@style/AppTheme.AppBarOverlay">
+
+            <androidx.appcompat.widget.Toolbar
+                    android:id="@+id/toolbar"
+                    android:layout_width="match_parent"
+                    android:layout_height="?attr/actionBarSize"
+                    android:background="?attr/colorPrimary"
+                    app:popupTheme="@style/AppTheme.PopupOverlay">
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:orientation="vertical">
+                    <TextView
+                        android:id="@+id/title"
+                        android:textStyle="bold"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:textSize="@dimen/_16sdp"
+                        android:textColor="#fff"/>
+                    <TextView
+                        android:id="@+id/typing"
+                        android:visibility="gone"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:textSize="@dimen/_9sdp"
+                        android:textColor="#fff"/>
+                </LinearLayout>
+            </androidx.appcompat.widget.Toolbar>
+
+        </com.google.android.material.appbar.AppBarLayout>
+
+        <include
+                android:id="@+id/contentMain"
+                layout="@layout/content_main" />
+
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
+</layout>
diff --git a/app/src/main/res/layout/content_main.xml b/app/src/main/res/layout/content_main.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        xmlns:tools="http://schemas.android.com/tools">
+
+    <data></data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            app:layout_behavior="@string/appbar_scrolling_view_behavior"
+            tools:context=".view.activity.MainActivity"
+            tools:showIn="@layout/app_bar_main">
+        <FrameLayout
+                android:id="@+id/contentHome"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>
diff --git a/app/src/main/res/layout/home_fragment.xml b/app/src/main/res/layout/home_fragment.xml
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <data>
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <Button
+            android:id="@+id/button"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="16dp"
+            android:layout_marginLeft="16dp"
+            android:layout_marginTop="8dp"
+            android:text="api"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <Button
+            android:id="@+id/btn"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:layout_marginTop="8dp"
+            android:layout_marginEnd="16dp"
+            android:layout_marginRight="16dp"
+            android:text="db"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <com.tuan88291.mvvmpattern.view.components.ListItemUser
+            android:id="@+id/list"
+            android:visibility="gone"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_marginStart="8dp"
+            android:layout_marginLeft="8dp"
+            android:layout_marginTop="8dp"
+            android:layout_marginEnd="8dp"
+            android:layout_marginRight="8dp"
+            android:layout_marginBottom="8dp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/button" />
+        <com.tuan88291.mvvmpattern.view.components.ListItemDB
+            android:id="@+id/listDb"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_marginStart="8dp"
+            android:layout_marginLeft="8dp"
+            android:layout_marginTop="8dp"
+            android:layout_marginEnd="8dp"
+            android:layout_marginRight="8dp"
+            android:layout_marginBottom="8dp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/button" />
+        <ProgressBar
+            android:id="@+id/progressBar"
+            style="?android:attr/progressBarStyle"
+            android:layout_width="wrap_content"
+            android:visibility="gone"
+            android:layout_height="wrap_content"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintHorizontal_bias="0.5"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>
diff --git a/app/src/main/res/layout/item_chat_friend.xml b/app/src/main/res/layout/item_chat_friend.xml
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    >
+    <data>
+        <variable
+            name="userChat"
+            type="com.tuan88291.mvvmpattern.data.local.model.DataChat" />
+    </data>
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <RelativeLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_alignParentRight="true"
+            android:background="?attr/selectableItemBackgroundBorderless"
+            android:clickable="true"
+            android:focusable="true"
+            android:padding="@dimen/_6sdp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent">
+
+            <TextView
+                android:id="@+id/name"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentTop="true"
+                android:layout_marginLeft="5dp"
+                android:text="@{userChat.name}"
+                android:textColor="#2b3840"
+                android:textStyle="normal|bold" />
+
+            <TextView
+                android:id="@+id/content"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_below="@+id/name"
+                android:layout_marginTop="5dp"
+                android:background="@drawable/bg_text"
+                android:gravity="left"
+                android:text="@{userChat.content}"
+                android:textAppearance="@style/TextAppearance.AppCompat.Body1"
+                android:textColor="@android:color/black" />
+
+        </RelativeLayout>
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</layout>
diff --git a/app/src/main/res/layout/item_chat_you.xml b/app/src/main/res/layout/item_chat_you.xml
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    >
+    <data>
+        <variable
+            name="userChat"
+            type="com.tuan88291.mvvmpattern.data.local.model.DataChat" />
+    </data>
+<androidx.constraintlayout.widget.ConstraintLayout
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentRight="true"
+        android:background="?attr/selectableItemBackgroundBorderless"
+        android:clickable="true"
+        android:focusable="true"
+        android:padding="@dimen/_6sdp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <TextView
+            android:id="@+id/name"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentTop="true"
+            android:layout_alignParentRight="true"
+            android:layout_marginRight="10dp"
+            android:textStyle="normal|bold"
+            android:visibility="gone" />
+
+        <TextView
+            android:id="@+id/content"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_below="@+id/name"
+            android:layout_alignParentRight="true"
+            android:layout_marginTop="5dp"
+            android:background="@drawable/bg_chat"
+            android:gravity="left"
+            android:text="@{userChat.content}"
+            android:textAppearance="@style/TextAppearance.AppCompat.Body1"
+            android:textColor="#ffffff" />
+    </RelativeLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
+</layout>
diff --git a/app/src/main/res/layout/item_db.xml b/app/src/main/res/layout/item_db.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    >
+    <data>
+        <variable
+            name="userDB"
+            type="com.tuan88291.mvvmpattern.data.local.entity.DataRoom" />
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:padding="@dimen/_10sdp"
+        android:layout_marginVertical="@dimen/_5sdp"
+        android:background="#CDE9CD"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <TextView
+            android:id="@+id/age"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@{`Age:` + userDB.age}"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+        <TextView
+            android:id="@+id/name"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@{`name:` + userDB.name}"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/age" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</layout>
diff --git a/app/src/main/res/layout/item_home.xml b/app/src/main/res/layout/item_home.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layout xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    >
+    <data>
+        <variable
+            name="user"
+            type="com.tuan88291.mvvmpattern.data.local.model.DetailUser" />
+    </data>
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:padding="@dimen/_10sdp"
+        android:layout_marginVertical="@dimen/_5sdp"
+        android:background="#E0E0E0"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <TextView
+            android:id="@+id/id"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@{`id:` + user.id}"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+        <TextView
+            android:id="@+id/email"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@{`email:` + user.email}"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/id" />
+
+        <TextView
+            android:id="@+id/name"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:text="@{user.firstName}"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/email" />
+
+        <TextView
+            android:id="@+id/last"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="8dp"
+            android:text="@{user.lastName}"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/name" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</layout>
diff --git a/app/src/main/res/layout/nav_header_main.xml b/app/src/main/res/layout/nav_header_main.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+        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="@dimen/nav_header_height"
+        android:background="@drawable/side_nav_bar"
+        android:paddingBottom="@dimen/activity_vertical_margin"
+        android:paddingLeft="@dimen/activity_horizontal_margin"
+        android:paddingRight="@dimen/activity_horizontal_margin"
+        android:paddingTop="@dimen/activity_vertical_margin"
+        android:theme="@style/ThemeOverlay.AppCompat.Dark"
+        android:orientation="vertical"
+        android:gravity="bottom">
+
+    <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:paddingTop="@dimen/nav_header_vertical_spacing"
+            app:srcCompat="@mipmap/ic_launcher_round"
+            android:contentDescription="@string/nav_header_desc"
+            android:id="@+id/imageView"/>
+
+    <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingTop="@dimen/nav_header_vertical_spacing"
+            android:text="@string/nav_header_title"
+            android:textAppearance="@style/TextAppearance.AppCompat.Body1"/>
+
+    <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/nav_header_subtitle"
+            android:id="@+id/textView"/>
+
+</LinearLayout>
diff --git a/app/src/main/res/menu/activity_main_drawer.xml b/app/src/main/res/menu/activity_main_drawer.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+      xmlns:tools="http://schemas.android.com/tools"
+      tools:showIn="navigation_view">
+
+    <group android:checkableBehavior="single">
+        <item
+                android:id="@+id/nav_camera"
+                android:icon="@drawable/ic_menu_camera"
+                android:title="Call Data"/>
+        <item
+                android:id="@+id/nav_gallery"
+                android:icon="@drawable/ic_menu_gallery"
+                android:title="Chat socket"/>
+        <item
+                android:id="@+id/nav_slideshow"
+                android:icon="@drawable/ic_menu_slideshow"
+                android:title="Slideshow"/>
+        <item
+                android:id="@+id/nav_manage"
+                android:icon="@drawable/ic_menu_manage"
+                android:title="Tools"/>
+    </group>
+
+    <item android:title="Communicate">
+        <menu>
+            <item
+                    android:id="@+id/nav_share"
+                    android:icon="@drawable/ic_menu_share"
+                    android:title="Share"/>
+            <item
+                    android:id="@+id/nav_send"
+                    android:icon="@drawable/ic_menu_send"
+                    android:title="Send"/>
+        </menu>
+    </item>
+
+</menu>
diff --git a/app/src/main/res/menu/main.xml b/app/src/main/res/menu/main.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+      xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item android:id="@+id/action_settings"
+          android:title="@string/action_settings"
+          android:orderInCategory="100"
+          app:showAsAction="never"/>
+</menu>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher.png b/app/src/main/res/mipmap-hdpi/ic_launcher.png
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher.png b/app/src/main/res/mipmap-mdpi/ic_launcher.png
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/app/src/main/res/mipmap-xhdpi/ic_launcher.png
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
diff --git a/app/src/main/res/values-v21/styles.xml b/app/src/main/res/values-v21/styles.xml
@@ -0,0 +1,7 @@
+<resources>
+    <style name="AppTheme.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+        <item name="android:statusBarColor">@android:color/transparent</item>
+    </style>
+</resources>
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#008577</color>
+    <color name="colorPrimaryDark">#00574B</color>
+    <color name="colorAccent">#D81B60</color>
+</resources>
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
@@ -0,0 +1,8 @@
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+    <dimen name="nav_header_vertical_spacing">8dp</dimen>
+    <dimen name="nav_header_height">176dp</dimen>
+    <dimen name="fab_margin">16dp</dimen>
+</resources>
diff --git a/app/src/main/res/values/drawables.xml b/app/src/main/res/values/drawables.xml
@@ -0,0 +1,8 @@
+<resources xmlns:android="http://schemas.android.com/apk/res/android">
+    <item name="ic_menu_camera" type="drawable">@android:drawable/ic_menu_camera</item>
+    <item name="ic_menu_gallery" type="drawable">@android:drawable/ic_menu_gallery</item>
+    <item name="ic_menu_slideshow" type="drawable">@android:drawable/ic_menu_slideshow</item>
+    <item name="ic_menu_manage" type="drawable">@android:drawable/ic_menu_manage</item>
+    <item name="ic_menu_share" type="drawable">@android:drawable/ic_menu_share</item>
+    <item name="ic_menu_send" type="drawable">@android:drawable/ic_menu_send</item>
+</resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
@@ -0,0 +1,20 @@
+<resources>
+    <string name="app_name">MVVM sample</string>
+    <string name="navigation_drawer_open">Open navigation drawer</string>
+    <string name="navigation_drawer_close">Close navigation drawer</string>
+    <string name="nav_header_title">Android Studio</string>
+    <string name="nav_header_subtitle">android.studio@android.com</string>
+    <string name="nav_header_desc">Navigation header</string>
+    <string name="action_settings">Settings</string>
+    <string name="title_activity_login">Sign in</string>
+    <!-- Strings related to login -->
+    <string name="prompt_email">Email</string>
+    <string name="prompt_password">Password (optional)</string>
+    <string name="action_sign_in">Sign in or register</string>
+    <string name="action_sign_in_short">Sign in</string>
+    <string name="error_invalid_email">This email address is invalid</string>
+    <string name="error_invalid_password">This password is too short</string>
+    <string name="error_incorrect_password">This password is incorrect</string>
+    <string name="error_field_required">This field is required</string>
+    <string name="permission_rationale">"Contacts permissions are needed for providing email completions."</string>
+</resources>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
@@ -0,0 +1,17 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+    <style name="AppTheme.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar"/>
+    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light"/>
+
+</resources>
diff --git a/app/src/test/java/com/tuan88291/mvvmpattern/ExampleUnitTest.kt b/app/src/test/java/com/tuan88291/mvvmpattern/ExampleUnitTest.kt
@@ -0,0 +1,17 @@
+package com.tuan88291.mvvmpattern
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}
diff --git a/build.gradle b/build.gradle
@@ -0,0 +1,30 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    apply from: "dependencies.gradle"
+    repositories {
+        google()
+        jcenter()
+
+    }
+    dependencies {
+        classpath deps.gradle_plugins.android
+        classpath deps.gradle_plugins.kotlin
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+        maven { url 'https://jitpack.io' }
+
+
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
diff --git a/dependencies.gradle b/dependencies.gradle
@@ -0,0 +1,67 @@
+ext.versions = [
+        min_sdk: 16,
+        compile_sdk: 29,
+        publish_version: "1.0",
+        publish_version_code: 1,
+        package: "com.tuan88291.mvvmpattern",
+        kotlin_version: "1.3.61"
+]
+ext.arch = [
+        koin: '2.0.1',
+        room: '2.2.2',
+        retrofit: '2.6.2',
+        lifecycler: '2.1.0'
+]
+ext.deps = [
+        gradle_plugins: [
+                android: "com.android.tools.build:gradle:3.5.2",
+                kotlin: "org.jetbrains.kotlin:kotlin-gradle-plugin:$versions.kotlin_version"
+        ],
+
+        di: [
+                koin: "org.koin:koin-android:$arch.koin",
+                koin_androix: "org.koin:koin-androidx-scope:$arch.koin",
+                koin_viewmodel: "org.koin:koin-androidx-viewmodel:$arch.koin"
+        ],
+        resful: [
+                gson: "com.google.code.gson:gson:2.8.6",
+                logd: "com.blankj:utilcode:1.5.1",
+                retrofit2: "com.squareup.retrofit2:retrofit:$arch.retrofit",
+                rx_retrofit: "com.jakewharton.retrofit:retrofit2-rxjava2-adapter:1.0.0",
+                converter: "com.squareup.retrofit2:converter-gson:$arch.retrofit",
+                logging: "com.squareup.okhttp3:logging-interceptor:4.2.2",
+                socket: "io.socket:socket.io-client:1.0.0"
+
+        ],
+        webrtc: "org.webrtc:google-webrtc:1.0.+",
+        perfomance: [
+                rxandroid: "io.reactivex.rxjava2:rxandroid:2.1.1",
+                rxjava: "io.reactivex.rxjava2:rxjava:2.2.12",
+                multidex: "androidx.multidex:multidex:2.0.1",
+        ],
+        lifecycler: [
+                java8: "androidx.lifecycle:lifecycle-common-java8:$arch.lifecycler",
+                viewmodel: "androidx.lifecycle:lifecycle-viewmodel:$arch.lifecycler",
+                extension: "android.arch.lifecycle:extensions:1.1.1",
+        ],
+        db: [
+                test: "androidx.room:room-testing:$arch.room",
+                compiler: "androidx.room:room-compiler:$arch.room",
+                runtime: "androidx.room:room-runtime:$arch.room",
+        ],
+        support: [
+                app_compat: "androidx.appcompat:appcompat:1.1.0",
+                constraint_layout: "androidx.constraintlayout:constraintlayout:1.1.3",
+                material: "com.google.android.material:material:1.0.0",
+                core: "androidx.core:core-ktx:1.2.0-rc01",
+                kotlin: "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$versions.kotlin_version",
+                databinding: "com.android.databinding:compiler:3.3.1",
+                sdp: "com.intuit.sdp:sdp-android:1.0.6",
+        ],
+
+        test: [
+                runner: "androidx.test:runner:1.3.0-alpha02",
+                core: "androidx.test.espresso:espresso-core:3.3.0-alpha02",
+                junit: "junit:junit:4.12",
+        ]
+]
diff --git a/gradle.properties b/gradle.properties
@@ -0,0 +1,21 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Fri Nov 08 10:34:39 ICT 2019
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
diff --git a/gradlew b/gradlew
@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/settings.gradle b/settings.gradle
@@ -0,0 +1 @@
+include ':app'
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		package com.tuan88291.mvvmpattern.data.local.model

		data class DataChat (var id: Int, var name: String, var content: String)