first commit

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

app/.gitignore

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+/build

app/build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'kotlin-kapt'
+}
+
+android {
+    compileSdkVersion 29
+    buildToolsVersion "29.0.3"
+
+    defaultConfig {
+        applicationId "com.project.retoandroid"
+        minSdkVersion 21
+        targetSdkVersion 29
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+
+    buildFeatures.dataBinding true
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+}
+
+dependencies {
+
+    def retrofit_version = '2.9.0'
+    def ok_http3_version = '4.5.0'
+
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'com.android.support.constraint:constraint-layout:2.0.4'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0'
+
+    implementation "com.squareup.okhttp3:logging-interceptor:$ok_http3_version"
+    implementation "com.squareup.okhttp3:okhttp:$ok_http3_version"
+    implementation "com.squareup.retrofit2:retrofit:$retrofit_version"
+    implementation "com.squareup.retrofit2:converter-gson:$retrofit_version"
+    implementation "com.squareup.retrofit2:adapter-rxjava2:$retrofit_version"
+
+    implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.0'
+    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.3.0'
+
+    implementation 'io.coil-kt:coil:0.11.0'
+
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.4.1"
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.4.1'
+
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test:runner:1.3.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+}

app/proguard-rules.pro

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+# 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

app/src/androidTest/java/com/project/retoandroid/ExampleInstrumentedTest.kt

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+package com.project.retoandroid
+
+import android.support.test.InstrumentationRegistry
+import android.support.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.getInstrumentation().targetContext
+        assertEquals("com.project.retoandroid", appContext.packageName)
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.project.retoandroid">
+
+    <uses-permission android:name="android.permission.INTERNET"/>
+
+    <application
+        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/Theme.RetoAndroid">
+        <activity android:name=".app.user.MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <activity android:name=".app.userDetail.UserDetailActivity" />
+
+    </application>
+
+</manifest>

app/src/main/java/com/project/retoandroid/app/Injection.kt

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+package com.project.retoandroid.app
+
+import com.project.retoandroid.data.repository.UserRepository
+
+object Injection {
+
+    fun provideUserRepository(): UserRepository {
+        return UserRepository.getInstance()
+    }
+
+}

app/src/main/java/com/project/retoandroid/app/user/MainActivity.kt

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+package com.project.retoandroid.app.user
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.databinding.DataBindingUtil
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProvider
+import com.project.retoandroid.R
+import com.project.retoandroid.app.userDetail.UserDetailActivity
+import com.project.retoandroid.databinding.ActivityMainBinding
+
+class MainActivity : AppCompatActivity() {
+
+    private lateinit var binding: ActivityMainBinding
+    private lateinit var viewModel: UserViewModel
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        val factory = UserViewModel.Factory(application)
+        viewModel = ViewModelProvider(viewModelStore, factory).get(UserViewModel::class.java)
+        binding = DataBindingUtil.setContentView(this, R.layout.activity_main)
+
+        binding.viewModel = viewModel
+        binding.lifecycleOwner = this
+
+        binding.rviUsers.adapter = UserAdapter(viewModel)
+
+        initViewModel()
+
+    }
+
+    private fun initViewModel() {
+
+        viewModel.apply {
+
+            userSelected.observe(this@MainActivity, Observer {
+
+                it?.let {
+
+                    UserDetailActivity.startActivity(it, this@MainActivity)
+
+                }
+
+            })
+
+        }
+
+    }
+
+}

app/src/main/java/com/project/retoandroid/app/user/UserAdapter.kt

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+package com.project.retoandroid.app.user
+
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.recyclerview.widget.ListAdapter
+import androidx.recyclerview.widget.RecyclerView
+import com.project.retoandroid.data.entity.User
+import com.project.retoandroid.databinding.RowUserBinding
+
+class UserAdapter(
+    private val userViewModel: UserViewModel
+) : ListAdapter<User, UserAdapter.ViewHolder>(User.DIFF_CALLBACK) {
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+        return ViewHolder.from(parent)
+    }
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val user = getItem(position)
+        holder.bind(userViewModel, user)
+    }
+
+    class ViewHolder private constructor(val binding: RowUserBinding) : RecyclerView.ViewHolder(binding.root) {
+
+        fun bind(userViewModel: UserViewModel, user: User) {
+            binding.user = user
+            binding.viewModel = userViewModel
+
+            binding.executePendingBindings()
+        }
+
+        companion object {
+
+            fun from(parent: ViewGroup): ViewHolder {
+                val layoutInflater = LayoutInflater.from(parent.context)
+                val binding = RowUserBinding.inflate(layoutInflater, parent, false)
+                return ViewHolder(binding)
+            }
+
+        }
+
+    }
+}

app/src/main/java/com/project/retoandroid/app/user/UserBinding.kt

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+package com.project.retoandroid.app.user
+
+import androidx.databinding.BindingAdapter
+import androidx.recyclerview.widget.RecyclerView
+import com.project.retoandroid.data.entity.User
+
+@BindingAdapter("users")
+fun bindUser(recyclerView: RecyclerView, users: List<User>? = emptyList()) {
+    users ?: return
+    (recyclerView.adapter as UserAdapter).apply {
+        submitList(users)
+    }
+}