├── app ├── .gitignore ├── src │ ├── main │ │ ├── res │ │ │ ├── values │ │ │ │ ├── strings.xml │ │ │ │ ├── colors.xml │ │ │ │ └── themes.xml │ │ │ ├── mipmap-hdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ └── ic_launcher_round.png │ │ │ ├── mipmap-mdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ └── ic_launcher_round.png │ │ │ ├── mipmap-xhdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ └── ic_launcher_round.png │ │ │ ├── mipmap-xxhdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ └── ic_launcher_round.png │ │ │ ├── mipmap-xxxhdpi │ │ │ │ ├── ic_launcher.png │ │ │ │ └── ic_launcher_round.png │ │ │ ├── mipmap-anydpi-v26 │ │ │ │ ├── ic_launcher.xml │ │ │ │ └── ic_launcher_round.xml │ │ │ ├── values-night │ │ │ │ └── themes.xml │ │ │ ├── drawable-v24 │ │ │ │ └── ic_launcher_foreground.xml │ │ │ ├── layout │ │ │ │ └── activity_main.xml │ │ │ └── drawable │ │ │ │ └── ic_launcher_background.xml │ │ ├── AndroidManifest.xml │ │ └── java │ │ │ └── com │ │ │ └── plcoding │ │ │ └── datastoreandroid │ │ │ └── MainActivity.kt │ ├── test │ │ └── java │ │ │ └── com │ │ │ └── plcoding │ │ │ └── datastoreandroid │ │ │ └── ExampleUnitTest.kt │ └── androidTest │ │ └── java │ │ └── com │ │ └── plcoding │ │ └── datastoreandroid │ │ └── ExampleInstrumentedTest.kt ├── proguard-rules.pro └── build.gradle ├── .idea ├── sonarlint │ └── issuestore │ │ └── index.pb ├── .gitignore ├── compiler.xml ├── misc.xml ├── gradle.xml └── jarRepositories.xml ├── settings.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── .gitignore ├── gradle.properties ├── gradlew.bat └── gradlew /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build -------------------------------------------------------------------------------- /.idea/sonarlint/issuestore/index.pb: -------------------------------------------------------------------------------- 1 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | rootProject.name = "DataStoreAndroid" -------------------------------------------------------------------------------- /.idea/.gitignore: -------------------------------------------------------------------------------- 1 | # Default ignored files 2 | /shelf/ 3 | /workspace.xml 4 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | DataStoreAndroid 3 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/philipplackner/DataStoreAndroid/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/philipplackner/DataStoreAndroid/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/philipplackner/DataStoreAndroid/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/philipplackner/DataStoreAndroid/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/philipplackner/DataStoreAndroid/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/philipplackner/DataStoreAndroid/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/philipplackner/DataStoreAndroid/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/philipplackner/DataStoreAndroid/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/philipplackner/DataStoreAndroid/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/philipplackner/DataStoreAndroid/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/philipplackner/DataStoreAndroid/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png -------------------------------------------------------------------------------- /.idea/compiler.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Thu Nov 26 13:19:25 CET 2020 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip 7 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/caches 5 | /.idea/libraries 6 | /.idea/modules.xml 7 | /.idea/workspace.xml 8 | /.idea/navEditor.xml 9 | /.idea/assetWizardSettings.xml 10 | .DS_Store 11 | /build 12 | /captures 13 | .externalNativeBuild 14 | .cxx 15 | local.properties 16 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 | -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #FFBB86FC 4 | #FF6200EE 5 | #FF3700B3 6 | #FF03DAC5 7 | #FF018786 8 | #FF000000 9 | #FFFFFFFF 10 | -------------------------------------------------------------------------------- /app/src/test/java/com/plcoding/datastoreandroid/ExampleUnitTest.kt: -------------------------------------------------------------------------------- 1 | package com.plcoding.datastoreandroid 2 | 3 | import org.junit.Test 4 | 5 | import org.junit.Assert.* 6 | 7 | /** 8 | * Example local unit test, which will execute on the development machine (host). 9 | * 10 | * See [testing documentation](http://d.android.com/tools/testing). 11 | */ 12 | class ExampleUnitTest { 13 | @Test 14 | fun addition_isCorrect() { 15 | assertEquals(4, 2 + 2) 16 | } 17 | } -------------------------------------------------------------------------------- /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. 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/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/plcoding/datastoreandroid/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package com.plcoding.datastoreandroid 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.plcoding.datastoreandroid", appContext.packageName) 23 | } 24 | } -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 20 | 21 | -------------------------------------------------------------------------------- /app/src/main/res/values/themes.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16 | -------------------------------------------------------------------------------- /app/src/main/res/values-night/themes.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16 | -------------------------------------------------------------------------------- /.idea/jarRepositories.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 9 | 10 | 14 | 15 | 19 | 20 | 24 | 25 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | # IDE (e.g. Android Studio) users: 3 | # Gradle settings configured through the IDE *will override* 4 | # any settings specified in this file. 5 | # For more details on how to configure your build environment visit 6 | # http://www.gradle.org/docs/current/userguide/build_environment.html 7 | # Specifies the JVM arguments used for the daemon process. 8 | # The setting is particularly useful for tweaking memory settings. 9 | org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8 10 | # When configured, Gradle will run in incubating parallel mode. 11 | # This option should only be used with decoupled projects. More details, visit 12 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 13 | # org.gradle.parallel=true 14 | # AndroidX package structure to make it clearer which packages are bundled with the 15 | # Android operating system, and which are packaged with your app"s APK 16 | # https://developer.android.com/topic/libraries/support-library/androidx-rn 17 | android.useAndroidX=true 18 | # Automatically convert third-party libraries to use AndroidX 19 | android.enableJetifier=true 20 | # Kotlin code style for this project: "official" or "obsolete": 21 | kotlin.code.style=official -------------------------------------------------------------------------------- /app/src/main/res/drawable-v24/ic_launcher_foreground.xml: -------------------------------------------------------------------------------- 1 | 7 | 8 | 9 | 15 | 18 | 21 | 22 | 23 | 24 | 30 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | plugins { 2 | id 'com.android.application' 3 | id 'kotlin-android' 4 | } 5 | 6 | android { 7 | compileSdkVersion 30 8 | buildToolsVersion "30.0.2" 9 | 10 | defaultConfig { 11 | applicationId "com.plcoding.datastoreandroid" 12 | minSdkVersion 21 13 | targetSdkVersion 30 14 | versionCode 1 15 | versionName "1.0" 16 | 17 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 18 | } 19 | buildFeatures { 20 | viewBinding true 21 | } 22 | buildTypes { 23 | release { 24 | minifyEnabled false 25 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' 26 | } 27 | } 28 | compileOptions { 29 | sourceCompatibility JavaVersion.VERSION_1_8 30 | targetCompatibility JavaVersion.VERSION_1_8 31 | } 32 | kotlinOptions { 33 | jvmTarget = '1.8' 34 | } 35 | } 36 | 37 | dependencies { 38 | 39 | implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version" 40 | implementation 'androidx.core:core-ktx:1.3.2' 41 | implementation 'androidx.appcompat:appcompat:1.2.0' 42 | implementation 'com.google.android.material:material:1.2.1' 43 | implementation 'androidx.constraintlayout:constraintlayout:2.0.4' 44 | testImplementation 'junit:junit:4.+' 45 | androidTestImplementation 'androidx.test.ext:junit:1.1.2' 46 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0' 47 | 48 | // Preferences DataStore 49 | implementation "androidx.datastore:datastore-preferences:1.0.0-alpha04" 50 | 51 | // Coroutines 52 | implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.9' 53 | implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.9' 54 | 55 | // Coroutine Lifecycle Scopes 56 | implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0" 57 | implementation "androidx.lifecycle:lifecycle-runtime-ktx:2.2.0" 58 | } -------------------------------------------------------------------------------- /app/src/main/java/com/plcoding/datastoreandroid/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.plcoding.datastoreandroid 2 | 3 | import androidx.appcompat.app.AppCompatActivity 4 | import android.os.Bundle 5 | import androidx.datastore.core.DataStore 6 | import androidx.datastore.createDataStore 7 | import androidx.datastore.preferences.core.Preferences 8 | import androidx.datastore.preferences.core.edit 9 | import androidx.datastore.preferences.core.preferencesKey 10 | import androidx.datastore.preferences.createDataStore 11 | import androidx.lifecycle.lifecycleScope 12 | import com.plcoding.datastoreandroid.databinding.ActivityMainBinding 13 | import kotlinx.coroutines.flow.first 14 | import kotlinx.coroutines.launch 15 | 16 | class MainActivity : AppCompatActivity() { 17 | 18 | private var _binding: ActivityMainBinding? = null 19 | private val binding get() = _binding!! 20 | 21 | private lateinit var dataStore: DataStore 22 | 23 | override fun onCreate(savedInstanceState: Bundle?) { 24 | super.onCreate(savedInstanceState) 25 | _binding = ActivityMainBinding.inflate(layoutInflater) 26 | setContentView(binding.root) 27 | dataStore = createDataStore(name = "settings") 28 | 29 | binding.btnSave.setOnClickListener { 30 | lifecycleScope.launch { 31 | save( 32 | binding.etSaveKey.text.toString(), 33 | binding.etSaveValue.text.toString() 34 | ) 35 | } 36 | } 37 | 38 | binding.btnRead.setOnClickListener { 39 | lifecycleScope.launch { 40 | val value = read(binding.etReadkey.text.toString()) 41 | binding.tvReadValue.text = value ?: "No value found" 42 | } 43 | } 44 | } 45 | 46 | private suspend fun save(key: String, value: String) { 47 | val dataStoreKey = preferencesKey(key) 48 | dataStore.edit { settings -> 49 | settings[dataStoreKey] = value 50 | } 51 | } 52 | 53 | private suspend fun read(key: String): String? { 54 | val dataStoreKey = preferencesKey(key) 55 | val preferences = dataStore.data.first() 56 | return preferences[dataStoreKey] 57 | } 58 | 59 | override fun onDestroy() { 60 | super.onDestroy() 61 | _binding = null 62 | } 63 | } -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | set DIRNAME=%~dp0 12 | if "%DIRNAME%" == "" set DIRNAME=. 13 | set APP_BASE_NAME=%~n0 14 | set APP_HOME=%DIRNAME% 15 | 16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 17 | set DEFAULT_JVM_OPTS= 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windows variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | 53 | :win9xME_args 54 | @rem Slurp the command line arguments. 55 | set CMD_LINE_ARGS= 56 | set _SKIP=2 57 | 58 | :win9xME_args_slurp 59 | if "x%~1" == "x" goto execute 60 | 61 | set CMD_LINE_ARGS=%* 62 | 63 | :execute 64 | @rem Setup the command line 65 | 66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 67 | 68 | @rem Execute Gradle 69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 70 | 71 | :end 72 | @rem End local scope for the variables with windows NT shell 73 | if "%ERRORLEVEL%"=="0" goto mainEnd 74 | 75 | :fail 76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 77 | rem the _cmd.exe /c_ return code! 78 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 79 | exit /b 1 80 | 81 | :mainEnd 82 | if "%OS%"=="Windows_NT" endlocal 83 | 84 | :omega 85 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 8 | 9 | 19 | 20 | 25 | 26 | 27 | 28 | 38 | 39 | 44 | 45 | 46 | 47 | 57 | 58 | 63 | 64 | 65 | 66 |