├── .github └── workflows │ └── build-project.yml ├── .gitignore ├── .idea ├── .gitignore ├── .name ├── compiler.xml ├── gradle.xml ├── kotlinc.xml ├── misc.xml └── vcs.xml ├── LICENSE ├── README.md ├── app ├── build.gradle.kts ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── jetbrains │ │ └── simplelogin │ │ └── androidapp │ │ └── ExampleInstrumentedTest.kt │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── jetbrains │ │ │ └── simplelogin │ │ │ └── androidapp │ │ │ ├── data │ │ │ ├── LoginDataSource.kt │ │ │ ├── LoginDataValidator.kt │ │ │ ├── LoginRepository.kt │ │ │ ├── Result.kt │ │ │ └── model │ │ │ │ └── LoggedInUser.kt │ │ │ └── ui │ │ │ └── login │ │ │ ├── LoggedInUserView.kt │ │ │ ├── LoginActivity.kt │ │ │ ├── LoginFormState.kt │ │ │ ├── LoginResult.kt │ │ │ ├── LoginScreen.kt │ │ │ └── LoginViewModel.kt │ └── res │ │ ├── drawable-v24 │ │ └── ic_launcher_foreground.xml │ │ ├── drawable │ │ └── ic_launcher_background.xml │ │ ├── layout-w1240dp │ │ └── activity_login.xml │ │ ├── layout-w936dp │ │ └── activity_login.xml │ │ ├── layout │ │ └── activity_login.xml │ │ ├── mipmap-anydpi-v26 │ │ ├── ic_launcher.xml │ │ └── ic_launcher_round.xml │ │ ├── mipmap-hdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── mipmap-mdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── mipmap-xhdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── mipmap-xxhdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── mipmap-xxxhdpi │ │ ├── ic_launcher.webp │ │ └── ic_launcher_round.webp │ │ ├── values-land │ │ └── dimens.xml │ │ ├── values-night │ │ └── themes.xml │ │ ├── values-w1240dp │ │ └── dimens.xml │ │ ├── values-w600dp │ │ └── dimens.xml │ │ └── values │ │ ├── colors.xml │ │ ├── dimens.xml │ │ ├── strings.xml │ │ └── themes.xml │ └── test │ └── java │ └── com │ └── jetbrains │ └── simplelogin │ └── androidapp │ └── ExampleUnitTest.kt ├── build.gradle.kts ├── gradle.properties ├── gradle ├── libs.versions.toml └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle.kts /.github/workflows/build-project.yml: -------------------------------------------------------------------------------- 1 | name: Build Project 2 | 3 | on: 4 | push: 5 | branches: 6 | - master 7 | pull_request: 8 | workflow_dispatch: 9 | inputs: 10 | checkout-ref: 11 | description: "The branch, tag or SHA to checkout. See actions/checkout 'ref'." 12 | required: false 13 | type: string 14 | 15 | concurrency: 16 | group: "Build Project: ${{ github.workflow }} @ ${{ github.event.pull_request.head.label || github.head_ref || github.ref }}" 17 | cancel-in-progress: true 18 | 19 | jobs: 20 | 21 | validate-gradle-wrapper: 22 | runs-on: ubuntu-latest 23 | steps: 24 | - name: Checkout the repo 25 | uses: actions/checkout@v4 26 | with: 27 | ref: ${{ inputs.checkout-ref || github.ref }} 28 | 29 | - name: Validate Gradle Wrapper 30 | uses: gradle/actions/wrapper-validation@v4 31 | 32 | 33 | build-gradle: 34 | needs: validate-gradle-wrapper 35 | strategy: 36 | matrix: 37 | os: 38 | - macos-latest 39 | - ubuntu-latest 40 | - windows-latest 41 | fail-fast: true 42 | runs-on: ${{ matrix.os }} 43 | steps: 44 | - name: Checkout the repo 45 | uses: actions/checkout@v4 46 | with: 47 | ref: ${{ inputs.checkout-ref || github.ref }} 48 | 49 | - name: Setup JDK 50 | uses: actions/setup-java@v4 51 | with: 52 | distribution: "temurin" 53 | java-version: "21" 54 | 55 | - name: Setup Gradle 56 | uses: gradle/actions/setup-gradle@v4 57 | with: 58 | gradle-home-cache-cleanup: true 59 | cache-encryption-key: ${{ secrets.GRADLE_CONFIGURATION_CACHE_ENCRYPTION_KEY }} 60 | 61 | - name: Run tests 62 | run: ./gradlew build --scan --stacktrace 63 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | ### Gradle ### 2 | .gradle/ 3 | build/ 4 | 5 | ### IDE ### 6 | *.iml 7 | 8 | /.idea/ 9 | /.idea/caches 10 | /.idea/libraries 11 | /.idea/modules.xml 12 | /.idea/workspace.xml 13 | /.idea/navEditor.xml 14 | /.idea/assetWizardSettings.xml 15 | 16 | ### Kotlin ### 17 | 18 | /.kotlin/ 19 | 20 | ### Android ### 21 | local.properties 22 | /captures 23 | .externalNativeBuild 24 | .cxx 25 | 26 | ### OS ### 27 | 28 | .DS_Store 29 | -------------------------------------------------------------------------------- /.idea/.gitignore: -------------------------------------------------------------------------------- 1 | # Default ignored files 2 | /shelf/ 3 | /workspace.xml 4 | -------------------------------------------------------------------------------- /.idea/.name: -------------------------------------------------------------------------------- 1 | SimpleLogin -------------------------------------------------------------------------------- /.idea/compiler.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 18 | 19 | -------------------------------------------------------------------------------- /.idea/kotlinc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 6 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 11 | -------------------------------------------------------------------------------- /.idea/vcs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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-------------------------------------------------------------------------------- 1 | [![official project](http://jb.gg/badges/official.svg)](https://confluence.jetbrains.com/display/ALL/JetBrains+on+GitHub) 2 | 3 | # Simple login 4 | 5 | This is a sample project for the 6 | [Make your Android application work on iOS](https://kotlinlang.org/docs/mobile/integrate-in-existing-app.html) 7 | tutorial. 8 | 9 | The master branch contains the project’s initial state: 10 | it’s a simple Android application generated with the Android Studio **Login Activity** wizard. 11 | 12 | You could find the final state with the iOS application and the shared module in the 13 | [final branch](https://github.com/Kotlin/kmm-integration-sample/tree/final). 14 | -------------------------------------------------------------------------------- /app/build.gradle.kts: -------------------------------------------------------------------------------- 1 | import org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_11 2 | 3 | plugins { 4 | alias(libs.plugins.androidApplication) 5 | alias(libs.plugins.kotlinAndroid) 6 | alias(libs.plugins.compose.compiler) 7 | } 8 | 9 | kotlin { 10 | compilerOptions { 11 | jvmTarget = JVM_11 12 | } 13 | } 14 | 15 | android { 16 | compileSdk = 35 17 | 18 | defaultConfig { 19 | applicationId = "com.jetbrains.simplelogin.androidapp" 20 | minSdk = 24 21 | targetSdk = 35 22 | versionCode = 1 23 | versionName = "1.0" 24 | 25 | testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner" 26 | } 27 | 28 | buildTypes { 29 | release { 30 | isMinifyEnabled = false 31 | proguardFiles( 32 | getDefaultProguardFile("proguard-android-optimize.txt"), 33 | "proguard-rules.pro" 34 | ) 35 | } 36 | } 37 | compileOptions { 38 | sourceCompatibility = JavaVersion.VERSION_11 39 | targetCompatibility = JavaVersion.VERSION_11 40 | } 41 | buildFeatures { 42 | compose = true 43 | } 44 | 45 | namespace = "com.jetbrains.simplelogin.androidapp" 46 | } 47 | 48 | dependencies { 49 | implementation(libs.androidx.core.ktx) 50 | implementation(libs.androidx.appcompat) 51 | implementation(libs.androidx.material) 52 | implementation(libs.androidx.annotation) 53 | implementation(libs.androidx.lifecycle.viewmodel.ktx) 54 | implementation(libs.androidx.lifecycle.runtime.ktx) 55 | implementation(libs.androidx.lifecycle.runtime.compose) 56 | implementation(libs.androidx.lifecycle.viewmodel.compose) 57 | 58 | // Compose 59 | implementation(libs.androidx.activity.compose) 60 | implementation(libs.compose.ui) 61 | implementation(libs.compose.ui.tooling.preview) 62 | implementation(libs.compose.foundation) 63 | implementation(libs.compose.material3) 64 | implementation(libs.compose.runtime) 65 | debugImplementation(libs.compose.ui.tooling) 66 | 67 | // Coroutines 68 | implementation(libs.kotlinx.coroutines.core) 69 | implementation(libs.kotlinx.coroutines.android) 70 | 71 | testImplementation(libs.junit) 72 | androidTestImplementation(libs.androidx.test.junit) 73 | androidTestImplementation(libs.androidx.espresso.core) 74 | } 75 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # You can control the set of applied configuration files using the 3 | # proguardFiles setting in build.gradle.kts 4 | # 5 | # For more details, see 6 | # http://developer.android.com/guide/developing/tools/proguard.html 7 | 8 | # If your project uses WebView with JS, uncomment the following 9 | # and specify the fully qualified class name to the JavaScript interface 10 | # class: 11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 12 | # public *; 13 | #} 14 | 15 | # Uncomment this to preserve the line number information for 16 | # debugging stack traces. 17 | #-keepattributes SourceFile,LineNumberTable 18 | 19 | # If you keep the line number information, uncomment this to 20 | # hide the original source file name. 21 | #-renamesourcefileattribute SourceFile -------------------------------------------------------------------------------- /app/src/androidTest/java/com/jetbrains/simplelogin/androidapp/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package com.jetbrains.simplelogin.androidapp 2 | 3 | import androidx.test.platform.app.InstrumentationRegistry 4 | import androidx.test.ext.junit.runners.AndroidJUnit4 5 | 6 | import org.junit.Test 7 | import org.junit.runner.RunWith 8 | 9 | import org.junit.Assert.* 10 | 11 | /** 12 | * Instrumented test, which will execute on an Android device. 13 | * 14 | * See [testing documentation](http://d.android.com/tools/testing). 15 | */ 16 | @RunWith(AndroidJUnit4::class) 17 | class ExampleInstrumentedTest { 18 | @Test 19 | fun useAppContext() { 20 | // Context of the app under test. 21 | val appContext = InstrumentationRegistry.getInstrumentation().targetContext 22 | assertEquals("com.jetbrains.simplelogin.androidapp", appContext.packageName) 23 | } 24 | } -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 11 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /app/src/main/java/com/jetbrains/simplelogin/androidapp/data/LoginDataSource.kt: -------------------------------------------------------------------------------- 1 | package com.jetbrains.simplelogin.androidapp.data 2 | 3 | import com.jetbrains.simplelogin.androidapp.data.model.LoggedInUser 4 | import java.io.IOException 5 | 6 | /** 7 | * Class that handles authentication w/ login credentials and retrieves user information. 8 | */ 9 | class LoginDataSource { 10 | 11 | fun login(username: String, password: String): Result { 12 | try { 13 | // TODO: handle loggedInUser authentication 14 | val fakeUser = LoggedInUser(java.util.UUID.randomUUID().toString(), "Jane Doe") 15 | return Result.Success(fakeUser) 16 | } catch (e: Throwable) { 17 | return Result.Error(IOException("Error logging in", e)) 18 | } 19 | } 20 | 21 | fun logout() { 22 | // TODO: revoke authentication 23 | } 24 | } -------------------------------------------------------------------------------- /app/src/main/java/com/jetbrains/simplelogin/androidapp/data/LoginDataValidator.kt: -------------------------------------------------------------------------------- 1 | package com.jetbrains.simplelogin.androidapp.data 2 | 3 | import android.util.Patterns 4 | 5 | class LoginDataValidator { 6 | 7 | sealed class Result { 8 | object Success : Result() 9 | class Error(val message: String): Result() 10 | } 11 | 12 | fun checkUsername(username: String): Result { 13 | return if (username.contains('@')) { 14 | if (isEmailValid(username)) Result.Success else Result.Error("Email is not valid") 15 | } else { 16 | if (username.isNotBlank()) Result.Success else Result.Error("Username is blank") 17 | } 18 | } 19 | 20 | fun checkPassword(password: String): Result { 21 | return if (password.length > 5) Result.Success else Result.Error("Password must be >5 characters") 22 | } 23 | 24 | private fun isEmailValid(email: String) = Patterns.EMAIL_ADDRESS.matcher(email).matches() 25 | } -------------------------------------------------------------------------------- /app/src/main/java/com/jetbrains/simplelogin/androidapp/data/LoginRepository.kt: -------------------------------------------------------------------------------- 1 | package com.jetbrains.simplelogin.androidapp.data 2 | 3 | import com.jetbrains.simplelogin.androidapp.data.model.LoggedInUser 4 | 5 | /** 6 | * Class that requests authentication and user information from the remote data source and 7 | * maintains an in-memory cache of login status and user credentials information. 8 | */ 9 | 10 | class LoginRepository(val dataSource: LoginDataSource) { 11 | 12 | // in-memory cache of the loggedInUser object 13 | var user: LoggedInUser? = null 14 | private set 15 | 16 | val isLoggedIn: Boolean 17 | get() = user != null 18 | 19 | init { 20 | // If user credentials will be cached in local storage, it is recommended it be encrypted 21 | // @see https://developer.android.com/training/articles/keystore 22 | user = null 23 | } 24 | 25 | fun logout() { 26 | user = null 27 | dataSource.logout() 28 | } 29 | 30 | fun login(username: String, password: String): Result { 31 | // handle login 32 | val result = dataSource.login(username, password) 33 | 34 | if (result is Result.Success) { 35 | setLoggedInUser(result.data) 36 | } 37 | 38 | return result 39 | } 40 | 41 | private fun setLoggedInUser(loggedInUser: LoggedInUser) { 42 | this.user = loggedInUser 43 | // If user credentials will be cached in local storage, it is recommended it be encrypted 44 | // @see https://developer.android.com/training/articles/keystore 45 | } 46 | } -------------------------------------------------------------------------------- /app/src/main/java/com/jetbrains/simplelogin/androidapp/data/Result.kt: -------------------------------------------------------------------------------- 1 | package com.jetbrains.simplelogin.androidapp.data 2 | 3 | /** 4 | * A generic class that holds a value with its loading status. 5 | * @param 6 | */ 7 | sealed class Result { 8 | 9 | data class Success(val data: T) : Result() 10 | data class Error(val exception: Exception) : Result() 11 | 12 | override fun toString(): String { 13 | return when (this) { 14 | is Success<*> -> "Success[data=$data]" 15 | is Error -> "Error[exception=$exception]" 16 | } 17 | } 18 | } -------------------------------------------------------------------------------- /app/src/main/java/com/jetbrains/simplelogin/androidapp/data/model/LoggedInUser.kt: -------------------------------------------------------------------------------- 1 | package com.jetbrains.simplelogin.androidapp.data.model 2 | 3 | /** 4 | * Data class that captures user information for logged in users retrieved from LoginRepository 5 | */ 6 | data class LoggedInUser( 7 | val userId: String, 8 | val displayName: String 9 | ) -------------------------------------------------------------------------------- /app/src/main/java/com/jetbrains/simplelogin/androidapp/ui/login/LoggedInUserView.kt: -------------------------------------------------------------------------------- 1 | package com.jetbrains.simplelogin.androidapp.ui.login 2 | 3 | /** 4 | * User details post authentication that is exposed to the UI 5 | */ 6 | data class LoggedInUserView( 7 | val displayName: String 8 | //... other data fields that may be accessible to the UI 9 | ) -------------------------------------------------------------------------------- /app/src/main/java/com/jetbrains/simplelogin/androidapp/ui/login/LoginActivity.kt: -------------------------------------------------------------------------------- 1 | package com.jetbrains.simplelogin.androidapp.ui.login 2 | 3 | import android.app.Activity 4 | import android.os.Bundle 5 | import android.widget.Toast 6 | import androidx.activity.compose.setContent 7 | import androidx.appcompat.app.AppCompatActivity 8 | import androidx.compose.material3.MaterialTheme 9 | import androidx.compose.material3.Surface 10 | import com.jetbrains.simplelogin.androidapp.R 11 | import com.jetbrains.simplelogin.androidapp.data.LoginDataSource 12 | import com.jetbrains.simplelogin.androidapp.data.LoginDataValidator 13 | import com.jetbrains.simplelogin.androidapp.data.LoginRepository 14 | 15 | class LoginActivity : AppCompatActivity() { 16 | 17 | override fun onCreate(savedInstanceState: Bundle?) { 18 | super.onCreate(savedInstanceState) 19 | 20 | setContent { 21 | MaterialTheme { 22 | Surface() { 23 | LoginScreen( 24 | viewModel = LoginViewModel( 25 | loginRepository = LoginRepository( 26 | dataSource = LoginDataSource() 27 | ), 28 | dataValidator = LoginDataValidator() 29 | ), 30 | onLoginSuccess = { 31 | // Show welcome message 32 | val successResult = it.success 33 | successResult?.let { 34 | val welcome = getString(R.string.welcome) 35 | Toast.makeText( 36 | applicationContext, 37 | "$welcome ${it.displayName}", 38 | Toast.LENGTH_LONG 39 | ).show() 40 | } 41 | 42 | // Complete the login process 43 | setResult(Activity.RESULT_OK) 44 | finish() 45 | } 46 | ) 47 | } 48 | } 49 | } 50 | } 51 | } 52 | -------------------------------------------------------------------------------- /app/src/main/java/com/jetbrains/simplelogin/androidapp/ui/login/LoginFormState.kt: -------------------------------------------------------------------------------- 1 | package com.jetbrains.simplelogin.androidapp.ui.login 2 | 3 | /** 4 | * Data validation state of the login form. 5 | */ 6 | data class LoginFormState( 7 | val usernameError: String?, 8 | val passwordError: String? 9 | ) { 10 | val isDataValid: Boolean 11 | get() = usernameError == null && passwordError == null 12 | } 13 | -------------------------------------------------------------------------------- /app/src/main/java/com/jetbrains/simplelogin/androidapp/ui/login/LoginResult.kt: -------------------------------------------------------------------------------- 1 | package com.jetbrains.simplelogin.androidapp.ui.login 2 | 3 | /** 4 | * Authentication result : success (user details) or error message. 5 | */ 6 | data class LoginResult( 7 | val success: LoggedInUserView? = null, 8 | val error: Int? = null 9 | ) -------------------------------------------------------------------------------- /app/src/main/java/com/jetbrains/simplelogin/androidapp/ui/login/LoginScreen.kt: -------------------------------------------------------------------------------- 1 | package com.jetbrains.simplelogin.androidapp.ui.login 2 | 3 | import androidx.compose.foundation.layout.* 4 | import androidx.compose.foundation.text.KeyboardActions 5 | import androidx.compose.foundation.text.KeyboardOptions 6 | import androidx.compose.material3.* 7 | import androidx.compose.runtime.* 8 | import androidx.compose.ui.Alignment 9 | import androidx.compose.ui.Modifier 10 | import androidx.compose.ui.focus.FocusRequester 11 | import androidx.compose.ui.focus.focusRequester 12 | import androidx.compose.ui.platform.LocalContext 13 | import androidx.compose.ui.res.stringResource 14 | import androidx.compose.ui.text.input.ImeAction 15 | import androidx.compose.ui.text.input.KeyboardType 16 | import androidx.compose.ui.text.input.PasswordVisualTransformation 17 | import androidx.compose.ui.unit.dp 18 | import androidx.lifecycle.compose.collectAsStateWithLifecycle 19 | import com.jetbrains.simplelogin.androidapp.R 20 | 21 | @Composable 22 | fun LoginScreen( 23 | viewModel: LoginViewModel, 24 | onLoginSuccess: (LoginResult) -> Unit 25 | ) { 26 | val loginFormState by viewModel.loginFormState.collectAsStateWithLifecycle() 27 | val loginResult by viewModel.loginResult.collectAsStateWithLifecycle() 28 | 29 | var username by remember { mutableStateOf("") } 30 | var password by remember { mutableStateOf("") } 31 | val passwordFocusRequester = remember { FocusRequester() } 32 | 33 | // Handle login result 34 | LaunchedEffect(loginResult) { 35 | loginResult?.let { result -> 36 | if (result.success != null) { 37 | // Show welcome message 38 | onLoginSuccess(result) 39 | } 40 | } 41 | } 42 | 43 | Column( 44 | modifier = Modifier 45 | .fillMaxSize() 46 | .padding(16.dp), 47 | horizontalAlignment = Alignment.CenterHorizontally, 48 | verticalArrangement = Arrangement.Center 49 | ) { 50 | // Username field 51 | OutlinedTextField( 52 | value = username, 53 | onValueChange = { 54 | username = it 55 | viewModel.loginDataChanged(username, password) 56 | }, 57 | label = { Text(stringResource(R.string.prompt_email)) }, 58 | isError = loginFormState.usernameError != null, 59 | supportingText = { 60 | loginFormState.usernameError?.let { 61 | Text(it) 62 | } 63 | }, 64 | keyboardOptions = KeyboardOptions( 65 | keyboardType = KeyboardType.Email, 66 | imeAction = ImeAction.Next 67 | ), 68 | keyboardActions = KeyboardActions( 69 | onNext = { passwordFocusRequester.requestFocus() } 70 | ), 71 | singleLine = true, 72 | modifier = Modifier 73 | .fillMaxWidth() 74 | .padding(bottom = 8.dp) 75 | ) 76 | 77 | // Password field 78 | OutlinedTextField( 79 | value = password, 80 | onValueChange = { 81 | password = it 82 | viewModel.loginDataChanged(username, password) 83 | }, 84 | label = { Text(stringResource(R.string.prompt_password)) }, 85 | isError = loginFormState.passwordError != null, 86 | supportingText = { 87 | loginFormState.passwordError?.let { 88 | Text(it) 89 | } 90 | }, 91 | visualTransformation = PasswordVisualTransformation(), 92 | keyboardOptions = KeyboardOptions( 93 | keyboardType = KeyboardType.Password, 94 | imeAction = ImeAction.Done 95 | ), 96 | keyboardActions = KeyboardActions( 97 | onDone = { 98 | if (loginFormState.isDataValid) { 99 | viewModel.login(username, password) 100 | } 101 | } 102 | ), 103 | singleLine = true, 104 | modifier = Modifier 105 | .fillMaxWidth() 106 | .padding(bottom = 16.dp) 107 | .focusRequester(passwordFocusRequester) 108 | ) 109 | 110 | // Login button 111 | Button( 112 | onClick = { viewModel.login(username, password) }, 113 | enabled = loginFormState.isDataValid, 114 | modifier = Modifier 115 | .fillMaxWidth() 116 | .height(50.dp) 117 | ) { 118 | Text(stringResource(R.string.action_sign_in)) 119 | } 120 | 121 | // Loading indicator 122 | if (loginResult != null && loginResult?.success == null && loginResult?.error == null) { 123 | CircularProgressIndicator( 124 | modifier = Modifier.padding(16.dp) 125 | ) 126 | } 127 | 128 | // Error message 129 | loginResult?.error?.let { errorId -> 130 | Text( 131 | text = stringResource(errorId), 132 | color = MaterialTheme.colorScheme.error, 133 | modifier = Modifier.padding(top = 16.dp) 134 | ) 135 | } 136 | } 137 | } -------------------------------------------------------------------------------- /app/src/main/java/com/jetbrains/simplelogin/androidapp/ui/login/LoginViewModel.kt: -------------------------------------------------------------------------------- 1 | package com.jetbrains.simplelogin.androidapp.ui.login 2 | 3 | import androidx.lifecycle.ViewModel 4 | import androidx.lifecycle.viewModelScope 5 | import com.jetbrains.simplelogin.androidapp.data.LoginRepository 6 | import com.jetbrains.simplelogin.androidapp.data.Result 7 | import kotlinx.coroutines.flow.MutableStateFlow 8 | import kotlinx.coroutines.flow.StateFlow 9 | import kotlinx.coroutines.flow.asStateFlow 10 | import kotlinx.coroutines.launch 11 | 12 | import com.jetbrains.simplelogin.androidapp.R 13 | import com.jetbrains.simplelogin.androidapp.data.LoginDataValidator 14 | 15 | class LoginViewModel(private val loginRepository: LoginRepository, private val dataValidator: LoginDataValidator) : ViewModel() { 16 | 17 | private val _loginFormState = MutableStateFlow(LoginFormState(null, null)) 18 | val loginFormState: StateFlow = _loginFormState.asStateFlow() 19 | 20 | private val _loginResult = MutableStateFlow(null) 21 | val loginResult: StateFlow = _loginResult.asStateFlow() 22 | 23 | fun login(username: String, password: String) { 24 | // can be launched in a separate asynchronous job 25 | viewModelScope.launch { 26 | val result = loginRepository.login(username, password) 27 | 28 | if (result is Result.Success) { 29 | _loginResult.value = LoginResult(success = LoggedInUserView(displayName = result.data.displayName)) 30 | } else { 31 | _loginResult.value = LoginResult(error = R.string.login_failed) 32 | } 33 | } 34 | } 35 | 36 | fun loginDataChanged(username: String, password: String) { 37 | _loginFormState.value = LoginFormState( 38 | usernameError = (dataValidator.checkUsername(username) as? LoginDataValidator.Result.Error)?.message, 39 | passwordError = (dataValidator.checkPassword(password) as? LoginDataValidator.Result.Error)?.message 40 | ) 41 | } 42 | } 43 | -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 8 | 9 | 15 | 18 | 21 | 22 | 23 | 24 | 30 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/ic_launcher_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 7 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 | 120 | 125 | 130 | 135 | 140 | 145 | 150 | 155 | 160 | 165 | 170 | 171 | -------------------------------------------------------------------------------- /app/src/main/res/layout-w1240dp/activity_login.xml: -------------------------------------------------------------------------------- 1 | 2 | 13 | 14 | 25 | 26 | 39 | 40 |