├── app ├── .gitignore ├── src │ ├── main │ │ ├── res │ │ │ ├── values │ │ │ │ ├── strings.xml │ │ │ │ ├── themes.xml │ │ │ │ └── colors.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 │ │ │ ├── mipmap-anydpi-v26 │ │ │ │ ├── ic_launcher.xml │ │ │ │ └── ic_launcher_round.xml │ │ │ ├── xml │ │ │ │ ├── backup_rules.xml │ │ │ │ └── data_extraction_rules.xml │ │ │ ├── drawable-v24 │ │ │ │ └── ic_launcher_foreground.xml │ │ │ └── drawable │ │ │ │ └── ic_launcher_background.xml │ │ ├── java │ │ │ └── com │ │ │ │ └── realityexpander │ │ │ │ └── dragdropcolumncompose │ │ │ │ ├── ui │ │ │ │ └── theme │ │ │ │ │ ├── Color.kt │ │ │ │ │ ├── Shape.kt │ │ │ │ │ ├── Type.kt │ │ │ │ │ └── Theme.kt │ │ │ │ ├── DragDropExt.kt │ │ │ │ ├── DragDropColumn.kt │ │ │ │ ├── DragDropState.kt │ │ │ │ └── MainActivity.kt │ │ └── AndroidManifest.xml │ ├── test │ │ └── java │ │ │ └── com │ │ │ └── realityexpander │ │ │ └── dragdropcolumncompose │ │ │ └── ExampleUnitTest.kt │ └── androidTest │ │ └── java │ │ └── com │ │ └── realityexpander │ │ └── dragdropcolumncompose │ │ └── ExampleInstrumentedTest.kt ├── proguard-rules.pro └── build.gradle ├── .idea ├── .gitignore ├── compiler.xml ├── kotlinc.xml ├── other.xml ├── vcs.xml ├── deploymentTargetDropDown.xml ├── migrations.xml ├── deploymentTargetSelector.xml ├── misc.xml ├── gradle.xml ├── appInsightsSettings.xml ├── inspectionProfiles │ └── Project_Default.xml ├── runConfigurations │ └── app.xml └── dbnavigator.xml ├── Screenshot_20240209_134747.png ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── Screenshot_20240209_134747 hires.png ├── fixed-Screen_recording_20240522_143534.mp4 ├── .gitignore ├── settings.gradle ├── README.md ├── gradle.properties ├── gradlew.bat └── gradlew /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build -------------------------------------------------------------------------------- /.idea/.gitignore: -------------------------------------------------------------------------------- 1 | # Default ignored files 2 | /shelf/ 3 | /workspace.xml 4 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | DragDropColumnCompose 3 | -------------------------------------------------------------------------------- /Screenshot_20240209_134747.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/realityexpander/DragDropColumnCompose/HEAD/Screenshot_20240209_134747.png -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/realityexpander/DragDropColumnCompose/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /Screenshot_20240209_134747 hires.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/realityexpander/DragDropColumnCompose/HEAD/Screenshot_20240209_134747 hires.png -------------------------------------------------------------------------------- /fixed-Screen_recording_20240522_143534.mp4: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/realityexpander/DragDropColumnCompose/HEAD/fixed-Screen_recording_20240522_143534.mp4 -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/realityexpander/DragDropColumnCompose/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/realityexpander/DragDropColumnCompose/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/realityexpander/DragDropColumnCompose/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/realityexpander/DragDropColumnCompose/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/realityexpander/DragDropColumnCompose/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher_round.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/realityexpander/DragDropColumnCompose/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher_round.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/realityexpander/DragDropColumnCompose/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/realityexpander/DragDropColumnCompose/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/realityexpander/DragDropColumnCompose/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/realityexpander/DragDropColumnCompose/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp -------------------------------------------------------------------------------- /.idea/compiler.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /.idea/kotlinc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 6 | -------------------------------------------------------------------------------- /.idea/other.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 6 | -------------------------------------------------------------------------------- /.idea/vcs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /.idea/deploymentTargetDropDown.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Tue Sep 27 20:27:00 CDT 2022 2 | distributionBase=GRADLE_USER_HOME 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip 4 | distributionPath=wrapper/dists 5 | zipStorePath=wrapper/dists 6 | zipStoreBase=GRADLE_USER_HOME 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/themes.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 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 | -------------------------------------------------------------------------------- /.idea/migrations.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 10 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/java/com/realityexpander/dragdropcolumncompose/ui/theme/Color.kt: -------------------------------------------------------------------------------- 1 | package com.realityexpander.dragdropcolumncompose.ui.theme 2 | 3 | import androidx.compose.ui.graphics.Color 4 | 5 | val Purple200 = Color(0xFFBB86FC) 6 | val Purple500 = Color(0xFF6200EE) 7 | val Purple700 = Color(0xFF3700B3) 8 | val Teal200 = Color(0xFF03DAC5) 9 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /.idea/deploymentTargetSelector.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 8 | 9 | 10 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | pluginManagement { 2 | repositories { 3 | google() 4 | mavenCentral() 5 | gradlePluginPortal() 6 | } 7 | } 8 | dependencyResolutionManagement { 9 | repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS) 10 | repositories { 11 | google() 12 | mavenCentral() 13 | } 14 | } 15 | rootProject.name = "DragDropColumnCompose" 16 | include ':app' 17 | -------------------------------------------------------------------------------- /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/main/java/com/realityexpander/dragdropcolumncompose/ui/theme/Shape.kt: -------------------------------------------------------------------------------- 1 | package com.realityexpander.dragdropcolumncompose.ui.theme 2 | 3 | import androidx.compose.foundation.shape.RoundedCornerShape 4 | import androidx.compose.material.Shapes 5 | import androidx.compose.ui.unit.dp 6 | 7 | val Shapes = Shapes( 8 | small = RoundedCornerShape(4.dp), 9 | medium = RoundedCornerShape(4.dp), 10 | large = RoundedCornerShape(0.dp) 11 | ) 12 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 | 10 | -------------------------------------------------------------------------------- /app/src/test/java/com/realityexpander/dragdropcolumncompose/ExampleUnitTest.kt: -------------------------------------------------------------------------------- 1 | package com.realityexpander.dragdropcolumncompose 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 | } 18 | -------------------------------------------------------------------------------- /app/src/main/res/xml/backup_rules.xml: -------------------------------------------------------------------------------- 1 | 8 | 9 | 13 | -------------------------------------------------------------------------------- /app/src/main/res/xml/data_extraction_rules.xml: -------------------------------------------------------------------------------- 1 | 6 | 7 | 8 | 12 | 13 | 19 | -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 18 | 19 | -------------------------------------------------------------------------------- /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/androidTest/java/com/realityexpander/dragdropcolumncompose/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package com.realityexpander.dragdropcolumncompose 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.example.dragdropcolumncompose", appContext.packageName) 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /app/src/main/java/com/realityexpander/dragdropcolumncompose/ui/theme/Type.kt: -------------------------------------------------------------------------------- 1 | package com.realityexpander.dragdropcolumncompose.ui.theme 2 | 3 | import androidx.compose.material.Typography 4 | import androidx.compose.ui.text.TextStyle 5 | import androidx.compose.ui.text.font.FontFamily 6 | import androidx.compose.ui.text.font.FontWeight 7 | import androidx.compose.ui.unit.sp 8 | 9 | // Set of Material typography styles to start with 10 | val Typography = Typography( 11 | body1 = TextStyle( 12 | fontFamily = FontFamily.Default, 13 | fontWeight = FontWeight.Normal, 14 | fontSize = 16.sp 15 | ) 16 | /* Other default text styles to override 17 | button = TextStyle( 18 | fontFamily = FontFamily.Default, 19 | fontWeight = FontWeight.W500, 20 | fontSize = 14.sp 21 | ), 22 | caption = TextStyle( 23 | fontFamily = FontFamily.Default, 24 | fontWeight = FontWeight.Normal, 25 | fontSize = 12.sp 26 | ) 27 | */ 28 | ) 29 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 15 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 29 | 30 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # DragDropColumnCompose 2 | Demo android app showing one way to implement drag-n-drop for a LazyColumn. 3 | This same code will also work in KMP (Kotlin Multi-Platform) for iOS, Android, Desktop & Web. 4 | 5 | - Video Explainer on YouTube: https://youtu.be/vdbqlkKENi4 6 | 7 | [](https://youtu.be/vdbqlkKENi4) 8 | 9 | - Video explaining fix (current code reflects fix): https://youtu.be/gQD6pjqhFAI 10 | 11 | [](Screenshot_20240209_134747.png) 12 | 13 | [fixed-Screen_recording_20240522_143534.mp4](fixed-Screen_recording_20240522_143534.mp4) 14 | 15 | https://github.com/realityexpander/DragDropColumnCompose/assets/5157474/21f0e979-395d-482a-864c-b654ab598969 16 | 17 | - Join the KMP Developers Group: 18 | - Twitter/X: https://x.com/i/communities/1739883885658607808 19 | - LinkedIn: https://www.linkedin.com/groups/14367209 20 | - FaceBook: https://www.facebook.com/groups/913147236893976 21 | 22 | Reference for code from Stack Overflow from Jurij Pitulja: 23 | https://stackoverflow.com/questions/64913067/reorder-lazycolumn-items-with-drag-drop 24 | 25 | ## Updated to be pure Compose in February 2024 26 | Updated to work with Kotlin Multi-Platform (KMP) and Compose by removing the Android specific code 27 | and replacing it with Compose specific code. 28 | -------------------------------------------------------------------------------- /app/src/main/java/com/realityexpander/dragdropcolumncompose/ui/theme/Theme.kt: -------------------------------------------------------------------------------- 1 | package com.realityexpander.dragdropcolumncompose.ui.theme 2 | 3 | import androidx.compose.foundation.isSystemInDarkTheme 4 | import androidx.compose.material.MaterialTheme 5 | import androidx.compose.material.darkColors 6 | import androidx.compose.material.lightColors 7 | import androidx.compose.runtime.Composable 8 | import androidx.compose.ui.graphics.Color 9 | 10 | private val DarkColorPalette = darkColors( 11 | primary = Purple200, 12 | primaryVariant = Purple700, 13 | secondary = Teal200, 14 | background = Color(0xFF121212), 15 | ) 16 | 17 | private val LightColorPalette = lightColors( 18 | primary = Purple500, 19 | primaryVariant = Purple700, 20 | secondary = Teal200, 21 | background = Color(0xFFE0E0E0), 22 | 23 | /* Other default colors to override 24 | surface = Color.White, 25 | onPrimary = Color.White, 26 | onSecondary = Color.Black, 27 | onBackground = Color.Black, 28 | onSurface = Color.Black, 29 | */ 30 | ) 31 | 32 | @Composable 33 | fun DragDropColumnComposeTheme( 34 | darkTheme: Boolean = isSystemInDarkTheme(), 35 | content: @Composable () -> Unit 36 | ) { 37 | val colors = if (darkTheme) { 38 | DarkColorPalette 39 | } else { 40 | LightColorPalette 41 | } 42 | 43 | MaterialTheme( 44 | colors = colors, 45 | typography = Typography, 46 | shapes = Shapes, 47 | content = content 48 | ) 49 | } 50 | -------------------------------------------------------------------------------- /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 | # Kotlin code style for this project: "official" or "obsolete": 19 | kotlin.code.style=official 20 | # Enables namespacing of each library's R class so that its R class includes only the 21 | # resources declared in the library itself and none from the library's dependencies, 22 | # thereby reducing the size of the R class for that library 23 | android.nonTransitiveRClass=true 24 | android.defaults.buildfeatures.buildconfig=true 25 | android.nonFinalResIds=false 26 | -------------------------------------------------------------------------------- /.idea/appInsightsSettings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 44 | 45 | -------------------------------------------------------------------------------- /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 'org.jetbrains.kotlin.android' 4 | } 5 | 6 | android { 7 | namespace 'com.example.dragdropcolumncompose' 8 | compileSdk 34 9 | 10 | defaultConfig { 11 | applicationId "com.example.dragdropcolumncompose" 12 | minSdk 24 13 | targetSdk 34 14 | versionCode 1 15 | versionName "1.0" 16 | 17 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 18 | vectorDrawables { 19 | useSupportLibrary true 20 | } 21 | } 22 | 23 | buildTypes { 24 | release { 25 | minifyEnabled false 26 | proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro' 27 | } 28 | } 29 | compileOptions { 30 | sourceCompatibility JavaVersion.VERSION_1_8 31 | targetCompatibility JavaVersion.VERSION_1_8 32 | } 33 | kotlinOptions { 34 | jvmTarget = '1.8' 35 | } 36 | buildFeatures { 37 | compose true 38 | } 39 | composeOptions { 40 | kotlinCompilerExtensionVersion '1.5.1' 41 | } 42 | packagingOptions { 43 | resources { 44 | excludes += '/META-INF/{AL2.0,LGPL2.1}' 45 | } 46 | } 47 | } 48 | 49 | dependencies { 50 | 51 | implementation 'androidx.core:core-ktx:1.12.0' 52 | implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.7.0' 53 | implementation 'androidx.activity:activity-compose:1.8.2' 54 | implementation "androidx.compose.ui:ui:$compose_ui_version" 55 | implementation "androidx.compose.ui:ui-tooling-preview:$compose_ui_version" 56 | implementation 'androidx.compose.material:material:1.6.0' 57 | 58 | testImplementation 'junit:junit:4.13.2' 59 | androidTestImplementation 'androidx.test.ext:junit:1.1.5' 60 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1' 61 | androidTestImplementation "androidx.compose.ui:ui-test-junit4:$compose_ui_version" 62 | debugImplementation "androidx.compose.ui:ui-tooling:$compose_ui_version" 63 | debugImplementation "androidx.compose.ui:ui-test-manifest:$compose_ui_version" 64 | } 65 | -------------------------------------------------------------------------------- /.idea/inspectionProfiles/Project_Default.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 41 | -------------------------------------------------------------------------------- /app/src/main/java/com/realityexpander/dragdropcolumncompose/DragDropExt.kt: -------------------------------------------------------------------------------- 1 | package com.realityexpander.dragdropcolumncompose 2 | 3 | import androidx.compose.animation.core.FastOutLinearInEasing 4 | import androidx.compose.animation.core.LinearOutSlowInEasing 5 | import androidx.compose.animation.core.animateFloatAsState 6 | import androidx.compose.animation.core.tween 7 | import androidx.compose.foundation.ExperimentalFoundationApi 8 | import androidx.compose.foundation.layout.Column 9 | import androidx.compose.foundation.layout.ColumnScope 10 | import androidx.compose.foundation.lazy.LazyItemScope 11 | import androidx.compose.foundation.lazy.LazyListItemInfo 12 | import androidx.compose.foundation.lazy.LazyListState 13 | import androidx.compose.runtime.Composable 14 | import androidx.compose.runtime.getValue 15 | import androidx.compose.runtime.remember 16 | import androidx.compose.runtime.rememberCoroutineScope 17 | import androidx.compose.ui.Modifier 18 | import androidx.compose.ui.graphics.graphicsLayer 19 | import androidx.compose.ui.zIndex 20 | 21 | @Composable 22 | fun rememberDragDropState( 23 | lazyListState: LazyListState, 24 | onSwap: (Int, Int) -> Unit 25 | ): DragDropState { 26 | val scope = rememberCoroutineScope() 27 | val state = remember(lazyListState) { 28 | DragDropState( 29 | state = lazyListState, 30 | onSwap = onSwap, 31 | scope = scope 32 | ) 33 | } 34 | return state 35 | } 36 | 37 | fun LazyListState.getVisibleItemInfoFor(absoluteIndex: Int): LazyListItemInfo? { 38 | return this 39 | .layoutInfo 40 | .visibleItemsInfo 41 | .getOrNull(absoluteIndex - this.layoutInfo.visibleItemsInfo.first().index) 42 | } 43 | 44 | val LazyListItemInfo.offsetEnd: Int 45 | get() = this.offset + this.size 46 | 47 | @ExperimentalFoundationApi 48 | @Composable 49 | fun LazyItemScope.DraggableItem( 50 | dragDropState: DragDropState, 51 | index: Int, 52 | modifier: Modifier = Modifier, 53 | content: @Composable ColumnScope.(isDragging: Boolean) -> Unit 54 | ) { 55 | val current: Float by animateFloatAsState(dragDropState.draggingItemOffset * 0.67f) 56 | val previous: Float by animateFloatAsState(dragDropState.previousItemOffset.value * 0.67f) 57 | val dragging = index == dragDropState.currentIndexOfDraggedItem 58 | 59 | val draggingModifier = if (dragging) { 60 | Modifier 61 | .zIndex(1f) 62 | .graphicsLayer { 63 | translationY = current 64 | } 65 | } else if (index == dragDropState.previousIndexOfDraggedItem) { 66 | Modifier 67 | .zIndex(1f) 68 | .graphicsLayer { 69 | translationY = previous 70 | } 71 | } else { 72 | Modifier.animateItemPlacement( 73 | tween(easing = FastOutLinearInEasing) 74 | ) 75 | } 76 | Column(modifier = modifier.then(draggingModifier)) { 77 | content(dragging) 78 | } 79 | } 80 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @rem 2 | @rem Copyright 2015 the original author or authors. 3 | @rem 4 | @rem Licensed under the Apache License, Version 2.0 (the "License"); 5 | @rem you may not use this file except in compliance with the License. 6 | @rem You may obtain a copy of the License at 7 | @rem 8 | @rem https://www.apache.org/licenses/LICENSE-2.0 9 | @rem 10 | @rem Unless required by applicable law or agreed to in writing, software 11 | @rem distributed under the License is distributed on an "AS IS" BASIS, 12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | @rem See the License for the specific language governing permissions and 14 | @rem limitations under the License. 15 | @rem 16 | 17 | @if "%DEBUG%" == "" @echo off 18 | @rem ########################################################################## 19 | @rem 20 | @rem Gradle startup script for Windows 21 | @rem 22 | @rem ########################################################################## 23 | 24 | @rem Set local scope for the variables with windows NT shell 25 | if "%OS%"=="Windows_NT" setlocal 26 | 27 | set DIRNAME=%~dp0 28 | if "%DIRNAME%" == "" set DIRNAME=. 29 | set APP_BASE_NAME=%~n0 30 | set APP_HOME=%DIRNAME% 31 | 32 | @rem Resolve any "." and ".." in APP_HOME to make it shorter. 33 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi 34 | 35 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 36 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" 37 | 38 | @rem Find java.exe 39 | if defined JAVA_HOME goto findJavaFromJavaHome 40 | 41 | set JAVA_EXE=java.exe 42 | %JAVA_EXE% -version >NUL 2>&1 43 | if "%ERRORLEVEL%" == "0" goto execute 44 | 45 | echo. 46 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 47 | echo. 48 | echo Please set the JAVA_HOME variable in your environment to match the 49 | echo location of your Java installation. 50 | 51 | goto fail 52 | 53 | :findJavaFromJavaHome 54 | set JAVA_HOME=%JAVA_HOME:"=% 55 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 56 | 57 | if exist "%JAVA_EXE%" goto execute 58 | 59 | echo. 60 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 61 | echo. 62 | echo Please set the JAVA_HOME variable in your environment to match the 63 | echo location of your Java installation. 64 | 65 | goto fail 66 | 67 | :execute 68 | @rem Setup the command line 69 | 70 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 71 | 72 | 73 | @rem Execute Gradle 74 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* 75 | 76 | :end 77 | @rem End local scope for the variables with windows NT shell 78 | if "%ERRORLEVEL%"=="0" goto mainEnd 79 | 80 | :fail 81 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 82 | rem the _cmd.exe /c_ return code! 83 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 84 | exit /b 1 85 | 86 | :mainEnd 87 | if "%OS%"=="Windows_NT" endlocal 88 | 89 | :omega 90 | -------------------------------------------------------------------------------- /.idea/runConfigurations/app.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 69 | -------------------------------------------------------------------------------- /app/src/main/java/com/realityexpander/dragdropcolumncompose/DragDropColumn.kt: -------------------------------------------------------------------------------- 1 | package com.realityexpander.dragdropcolumncompose 2 | 3 | import androidx.compose.animation.core.FastOutLinearInEasing 4 | import androidx.compose.animation.core.animateDpAsState 5 | import androidx.compose.animation.core.tween 6 | import androidx.compose.foundation.ExperimentalFoundationApi 7 | import androidx.compose.foundation.gestures.animateScrollBy 8 | import androidx.compose.foundation.gestures.detectDragGesturesAfterLongPress 9 | import androidx.compose.foundation.layout.Arrangement 10 | import androidx.compose.foundation.layout.PaddingValues 11 | import androidx.compose.foundation.lazy.LazyColumn 12 | import androidx.compose.foundation.lazy.LazyItemScope 13 | import androidx.compose.foundation.lazy.itemsIndexed 14 | import androidx.compose.foundation.lazy.rememberLazyListState 15 | import androidx.compose.material.Card 16 | import androidx.compose.runtime.* 17 | import androidx.compose.ui.Modifier 18 | import androidx.compose.ui.input.pointer.pointerInput 19 | import androidx.compose.ui.unit.dp 20 | import kotlinx.coroutines.Job 21 | import kotlinx.coroutines.launch 22 | 23 | @OptIn(ExperimentalFoundationApi::class) 24 | @Composable 25 | fun DragDropColumn( 26 | items: List, 27 | onSwap: (Int, Int) -> Unit, 28 | itemContent: @Composable LazyItemScope.(item: T) -> Unit 29 | ) { 30 | var overscrollJob by remember { mutableStateOf(null) } 31 | val listState = rememberLazyListState() 32 | val scope = rememberCoroutineScope() 33 | val dragDropState = rememberDragDropState(listState) { fromIndex, toIndex -> 34 | onSwap(fromIndex, toIndex) 35 | } 36 | 37 | LazyColumn( 38 | modifier = Modifier 39 | .pointerInput(dragDropState) { 40 | detectDragGesturesAfterLongPress( 41 | onDrag = { change, offset -> 42 | change.consume() 43 | dragDropState.onDrag(offset = offset) 44 | 45 | if (overscrollJob?.isActive == true) 46 | return@detectDragGesturesAfterLongPress 47 | 48 | dragDropState 49 | .checkForOverScroll() 50 | .takeIf { it != 0f } 51 | ?.let { 52 | overscrollJob = 53 | scope.launch { 54 | dragDropState.state.animateScrollBy( 55 | it*1.3f, tween(easing = FastOutLinearInEasing) 56 | ) 57 | } 58 | } 59 | ?: run { overscrollJob?.cancel() } 60 | }, 61 | onDragStart = { 62 | offset -> dragDropState.onDragStart(offset) 63 | }, 64 | onDragEnd = { 65 | dragDropState.onDragInterrupted() 66 | overscrollJob?.cancel() 67 | }, 68 | onDragCancel = { 69 | dragDropState.onDragInterrupted() 70 | overscrollJob?.cancel() 71 | } 72 | ) 73 | }, 74 | state = listState, 75 | contentPadding = PaddingValues(8.dp), 76 | verticalArrangement = Arrangement.spacedBy(8.dp) 77 | ) { 78 | itemsIndexed(items = items) { index, item -> 79 | DraggableItem( 80 | dragDropState = dragDropState, 81 | index = index 82 | ) { isDragging -> 83 | val elevation by animateDpAsState(if (isDragging) 4.dp else 0.dp) 84 | Card(elevation = elevation) { 85 | itemContent(item) 86 | } 87 | } 88 | } 89 | } 90 | } 91 | -------------------------------------------------------------------------------- /app/src/main/java/com/realityexpander/dragdropcolumncompose/DragDropState.kt: -------------------------------------------------------------------------------- 1 | package com.realityexpander.dragdropcolumncompose 2 | 3 | import androidx.compose.animation.core.Animatable 4 | import androidx.compose.animation.core.FastOutLinearInEasing 5 | import androidx.compose.animation.core.tween 6 | import androidx.compose.foundation.lazy.LazyListItemInfo 7 | import androidx.compose.foundation.lazy.LazyListState 8 | import androidx.compose.runtime.getValue 9 | import androidx.compose.runtime.mutableStateOf 10 | import androidx.compose.runtime.setValue 11 | import androidx.compose.ui.geometry.Offset 12 | import kotlinx.coroutines.CoroutineScope 13 | import kotlinx.coroutines.launch 14 | 15 | class DragDropState internal constructor( 16 | val state: LazyListState, 17 | private val scope: CoroutineScope, 18 | private val onSwap: (Int, Int) -> Unit 19 | ) { 20 | private var draggedDistance by mutableStateOf(0f) 21 | private var draggingItemInitialOffset by mutableStateOf(0) 22 | internal val draggingItemOffset: Float 23 | get() = draggingItemLayoutInfo?.let { item -> 24 | draggingItemInitialOffset + draggedDistance - item.offset 25 | } ?: 0f 26 | private val draggingItemLayoutInfo: LazyListItemInfo? 27 | get() = state.layoutInfo.visibleItemsInfo 28 | .firstOrNull { it.index == currentIndexOfDraggedItem } 29 | 30 | internal var previousIndexOfDraggedItem by mutableStateOf(null) 31 | private set 32 | internal var previousItemOffset = Animatable(0f) 33 | private set 34 | 35 | // used to obtain initial offsets on drag start 36 | private var initiallyDraggedElement by mutableStateOf(null) 37 | 38 | var currentIndexOfDraggedItem by mutableStateOf(null) 39 | 40 | private val initialOffsets: Pair? 41 | get() = initiallyDraggedElement?.let { Pair(it.offset, it.offsetEnd) } 42 | 43 | private val currentElement: LazyListItemInfo? 44 | get() = currentIndexOfDraggedItem?.let { 45 | state.getVisibleItemInfoFor(absoluteIndex = it) 46 | } 47 | 48 | 49 | fun onDragStart(offset: Offset) { 50 | state.layoutInfo.visibleItemsInfo 51 | .firstOrNull { item -> offset.y.toInt() in item.offset..(item.offset + item.size) } 52 | ?.also { 53 | currentIndexOfDraggedItem = it.index 54 | initiallyDraggedElement = it 55 | draggingItemInitialOffset = it.offset 56 | } 57 | } 58 | 59 | fun onDragInterrupted() { 60 | if (currentIndexOfDraggedItem != null) { 61 | previousIndexOfDraggedItem = currentIndexOfDraggedItem 62 | // val startOffset = draggingItemOffset 63 | scope.launch { 64 | //previousItemOffset.snapTo(startOffset) 65 | previousItemOffset.animateTo( 66 | 0f, 67 | tween(easing = FastOutLinearInEasing) 68 | ) 69 | previousIndexOfDraggedItem = null 70 | } 71 | } 72 | draggingItemInitialOffset = 0 73 | draggedDistance = 0f 74 | currentIndexOfDraggedItem = null 75 | initiallyDraggedElement = null 76 | } 77 | 78 | fun onDrag(offset: Offset) { 79 | draggedDistance += offset.y 80 | 81 | initialOffsets?.let { (topOffset, bottomOffset) -> 82 | val startOffset = topOffset + draggedDistance 83 | val endOffset = bottomOffset + draggedDistance 84 | 85 | currentElement?.let { hovered -> 86 | state.layoutInfo.visibleItemsInfo 87 | .filterNot { item -> item.offsetEnd < startOffset || item.offset > endOffset || hovered.index == item.index } 88 | .firstOrNull { item -> 89 | val delta = (startOffset - hovered.offset) 90 | when { 91 | delta > 0 -> (endOffset > item.offsetEnd) 92 | else -> (startOffset < item.offset) 93 | } 94 | } 95 | ?.also { item -> 96 | currentIndexOfDraggedItem?.let { current -> 97 | scope.launch { 98 | onSwap.invoke( 99 | current, 100 | item.index 101 | ) 102 | } 103 | } 104 | currentIndexOfDraggedItem = item.index 105 | } 106 | } 107 | } 108 | } 109 | 110 | fun checkForOverScroll(): Float { 111 | return initiallyDraggedElement?.let { 112 | val startOffset = it.offset + draggedDistance 113 | val endOffset = it.offsetEnd + draggedDistance 114 | return@let when { 115 | draggedDistance > 0 -> (endOffset - state.layoutInfo.viewportEndOffset+50f).takeIf { diff -> diff > 0 } 116 | draggedDistance < 0 -> (startOffset - state.layoutInfo.viewportStartOffset-50f).takeIf { diff -> diff < 0 } 117 | else -> null 118 | } 119 | } ?: 0f 120 | } 121 | } 122 | -------------------------------------------------------------------------------- /app/src/main/java/com/realityexpander/dragdropcolumncompose/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.realityexpander.dragdropcolumncompose 2 | 3 | import android.content.res.Configuration 4 | import android.os.Bundle 5 | import androidx.activity.ComponentActivity 6 | import androidx.activity.compose.setContent 7 | import androidx.compose.foundation.background 8 | import androidx.compose.foundation.clickable 9 | import androidx.compose.foundation.layout.fillMaxSize 10 | import androidx.compose.foundation.layout.fillMaxWidth 11 | import androidx.compose.foundation.layout.padding 12 | import androidx.compose.material.Card 13 | import androidx.compose.material.MaterialTheme 14 | import androidx.compose.material.Surface 15 | import androidx.compose.material.Text 16 | import androidx.compose.runtime.Composable 17 | import androidx.compose.runtime.LaunchedEffect 18 | import androidx.compose.runtime.collectAsState 19 | import androidx.compose.ui.Modifier 20 | import androidx.compose.ui.graphics.Color 21 | import androidx.compose.ui.tooling.preview.Preview 22 | import androidx.compose.ui.unit.dp 23 | import com.realityexpander.dragdropcolumncompose.ui.theme.DragDropColumnComposeTheme 24 | import kotlinx.coroutines.flow.MutableStateFlow 25 | import kotlinx.coroutines.flow.asStateFlow 26 | import kotlinx.coroutines.flow.update 27 | import kotlin.random.Random 28 | 29 | class MainActivity : ComponentActivity() { 30 | override fun onCreate(savedInstanceState: Bundle?) { 31 | super.onCreate(savedInstanceState) 32 | setContent { 33 | DragDropColumnComposeTheme { 34 | 35 | // Create the list of items 36 | val itemsStateFlow = 37 | MutableStateFlow( 38 | listOf( 39 | Item(name ="Item 1 - Apple"), 40 | Item(name ="Item 2 - Banana"), 41 | Item(name ="Item 3 - Carrot"), 42 | Item(name ="Item 4 - Date"), 43 | Item(name ="Item 5 - Eggplant"), 44 | Item(name ="Item 6 - Fig"), 45 | Item(name ="Item 7 - Grape"), 46 | Item(name ="Item 8 - Honeydew"), 47 | Item(name ="Item 9 - Iceberg Lettuce"), 48 | ) 49 | .shuffled() 50 | ) 51 | 52 | // Define what happens when an item is clicked 53 | fun onItemClicked(clickedItem: Item) { 54 | itemsStateFlow.update { currentList -> 55 | val newList = currentList.toMutableList() 56 | .map { item -> 57 | if(clickedItem == item) { 58 | // Could perform some other action here... 59 | item.copy(name = "Clicked ${item.name}") 60 | } else { 61 | item 62 | } 63 | } 64 | .toList() 65 | 66 | newList 67 | } 68 | } 69 | 70 | Surface( 71 | modifier = Modifier.fillMaxSize(), 72 | color = MaterialTheme.colors.background 73 | ) { 74 | DragNDropItemsList( 75 | itemsStateFlow = itemsStateFlow, 76 | onItemClicked = ::onItemClicked 77 | ) 78 | } 79 | } 80 | } 81 | } 82 | } 83 | 84 | data class Item( 85 | val id: Int = internalId++, 86 | val name: String = "", 87 | val description: String = "", 88 | val color: Long = Random(id).nextLong() 89 | ) { 90 | companion object { 91 | private var internalId = 0 // <-- OK to use in examples, never in production! 92 | } 93 | } 94 | 95 | @Composable 96 | fun DragNDropItemsList( 97 | itemsStateFlow: MutableStateFlow>, 98 | onItemClicked : (Item) -> Unit = {} 99 | ) { 100 | fun swapItems(from: Int, to: Int) { 101 | itemsStateFlow.update { 102 | val newList = it.toMutableList() 103 | val fromItem = it[from].copy() 104 | val toItem = it[to].copy() 105 | newList[from] = toItem 106 | newList[to] = fromItem 107 | 108 | println("it: $it, newList: $newList") 109 | 110 | newList 111 | } 112 | } 113 | 114 | DragDropColumn( 115 | items = itemsStateFlow.collectAsState().value, 116 | onSwap = ::swapItems 117 | ) { item -> 118 | Card( 119 | modifier = Modifier 120 | .clickable { 121 | onItemClicked(item) 122 | }, 123 | ) { 124 | Text( 125 | text = item.name, 126 | color = MaterialTheme.colors.onSurface, 127 | modifier = Modifier 128 | .fillMaxWidth() 129 | .background(Color(item.color)) 130 | .padding(16.dp), 131 | ) 132 | } 133 | } 134 | } 135 | 136 | @Preview( 137 | name = "Dark Mode", 138 | uiMode = Configuration.UI_MODE_NIGHT_YES or Configuration.UI_MODE_TYPE_NORMAL 139 | ) 140 | @Composable 141 | fun DefaultPreview() { 142 | DragDropColumnComposeTheme { 143 | val itemsStateFlow = 144 | MutableStateFlow>(listOf( 145 | Item(name ="Item 1 - Apple"), 146 | Item(name ="Item 2 - Banana"), 147 | Item(name ="Item 3 - Carrot"), 148 | Item(name ="Item 4 - Date"), 149 | Item(name ="Item 5 - Eggplant"), 150 | Item(name ="Item 6 - Fig"), 151 | Item(name ="Item 7 - Grape"), 152 | )) 153 | 154 | DragNDropItemsList( 155 | itemsStateFlow 156 | ) 157 | } 158 | } 159 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | # 4 | # Copyright 2015 the original author or authors. 5 | # 6 | # Licensed under the Apache License, Version 2.0 (the "License"); 7 | # you may not use this file except in compliance with the License. 8 | # You may obtain a copy of the License at 9 | # 10 | # https://www.apache.org/licenses/LICENSE-2.0 11 | # 12 | # Unless required by applicable law or agreed to in writing, software 13 | # distributed under the License is distributed on an "AS IS" BASIS, 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | # See the License for the specific language governing permissions and 16 | # limitations under the License. 17 | # 18 | 19 | ############################################################################## 20 | ## 21 | ## Gradle start up script for UN*X 22 | ## 23 | ############################################################################## 24 | 25 | # Attempt to set APP_HOME 26 | # Resolve links: $0 may be a link 27 | PRG="$0" 28 | # Need this for relative symlinks. 29 | while [ -h "$PRG" ] ; do 30 | ls=`ls -ld "$PRG"` 31 | link=`expr "$ls" : '.*-> \(.*\)$'` 32 | if expr "$link" : '/.*' > /dev/null; then 33 | PRG="$link" 34 | else 35 | PRG=`dirname "$PRG"`"/$link" 36 | fi 37 | done 38 | SAVED="`pwd`" 39 | cd "`dirname \"$PRG\"`/" >/dev/null 40 | APP_HOME="`pwd -P`" 41 | cd "$SAVED" >/dev/null 42 | 43 | APP_NAME="Gradle" 44 | APP_BASE_NAME=`basename "$0"` 45 | 46 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 47 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 48 | 49 | # Use the maximum available, or set MAX_FD != -1 to use that value. 50 | MAX_FD="maximum" 51 | 52 | warn () { 53 | echo "$*" 54 | } 55 | 56 | die () { 57 | echo 58 | echo "$*" 59 | echo 60 | exit 1 61 | } 62 | 63 | # OS specific support (must be 'true' or 'false'). 64 | cygwin=false 65 | msys=false 66 | darwin=false 67 | nonstop=false 68 | case "`uname`" in 69 | CYGWIN* ) 70 | cygwin=true 71 | ;; 72 | Darwin* ) 73 | darwin=true 74 | ;; 75 | MINGW* ) 76 | msys=true 77 | ;; 78 | NONSTOP* ) 79 | nonstop=true 80 | ;; 81 | esac 82 | 83 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 84 | 85 | 86 | # Determine the Java command to use to start the JVM. 87 | if [ -n "$JAVA_HOME" ] ; then 88 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 89 | # IBM's JDK on AIX uses strange locations for the executables 90 | JAVACMD="$JAVA_HOME/jre/sh/java" 91 | else 92 | JAVACMD="$JAVA_HOME/bin/java" 93 | fi 94 | if [ ! -x "$JAVACMD" ] ; then 95 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 96 | 97 | Please set the JAVA_HOME variable in your environment to match the 98 | location of your Java installation." 99 | fi 100 | else 101 | JAVACMD="java" 102 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 103 | 104 | Please set the JAVA_HOME variable in your environment to match the 105 | location of your Java installation." 106 | fi 107 | 108 | # Increase the maximum file descriptors if we can. 109 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 110 | MAX_FD_LIMIT=`ulimit -H -n` 111 | if [ $? -eq 0 ] ; then 112 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 113 | MAX_FD="$MAX_FD_LIMIT" 114 | fi 115 | ulimit -n $MAX_FD 116 | if [ $? -ne 0 ] ; then 117 | warn "Could not set maximum file descriptor limit: $MAX_FD" 118 | fi 119 | else 120 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 121 | fi 122 | fi 123 | 124 | # For Darwin, add options to specify how the application appears in the dock 125 | if $darwin; then 126 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 127 | fi 128 | 129 | # For Cygwin or MSYS, switch paths to Windows format before running java 130 | if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then 131 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 132 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 133 | 134 | JAVACMD=`cygpath --unix "$JAVACMD"` 135 | 136 | # We build the pattern for arguments to be converted via cygpath 137 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 138 | SEP="" 139 | for dir in $ROOTDIRSRAW ; do 140 | ROOTDIRS="$ROOTDIRS$SEP$dir" 141 | SEP="|" 142 | done 143 | OURCYGPATTERN="(^($ROOTDIRS))" 144 | # Add a user-defined pattern to the cygpath arguments 145 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 146 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 147 | fi 148 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 149 | i=0 150 | for arg in "$@" ; do 151 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 152 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 153 | 154 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 155 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 156 | else 157 | eval `echo args$i`="\"$arg\"" 158 | fi 159 | i=`expr $i + 1` 160 | done 161 | case $i in 162 | 0) set -- ;; 163 | 1) set -- "$args0" ;; 164 | 2) set -- "$args0" "$args1" ;; 165 | 3) set -- "$args0" "$args1" "$args2" ;; 166 | 4) set -- "$args0" "$args1" "$args2" "$args3" ;; 167 | 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 168 | 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 169 | 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 170 | 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 171 | 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 172 | esac 173 | fi 174 | 175 | # Escape application args 176 | save () { 177 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 178 | echo " " 179 | } 180 | APP_ARGS=`save "$@"` 181 | 182 | # Collect all arguments for the java command, following the shell quoting and substitution rules 183 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 184 | 185 | exec "$JAVACMD" "$@" 186 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /.idea/dbnavigator.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 | 114 | 115 | 116 | 117 | 118 | 119 | 120 | 121 | 122 | 123 | 124 | 125 | 126 | 127 | 128 | 129 | 130 | 131 | 132 | 133 | 134 | 135 | 136 | 137 | 138 | 139 | 140 | 141 | 142 | 143 | 144 | 145 | 146 | 147 | 148 | 149 | 150 | 151 | 152 | 153 | 154 | 155 | 156 | 157 | 158 | 159 | 160 | 161 | 162 | 163 | 164 | 165 | 166 | 167 | 168 | 169 | 170 | 171 | 172 | 173 | 174 | 175 | 176 | 177 | 178 | 179 | 180 | 181 | 182 | 183 | 184 | 185 | 186 | 187 | 188 | 189 | 190 | 191 | 192 | 193 | 194 | 195 | 196 | 197 | 198 | 199 | 200 | 201 | 202 | 203 | 204 | 205 | 206 | 207 | 208 | 209 | 210 | 211 | 212 | 213 | 214 | 215 | 216 | 217 | 218 | 219 | 220 | 221 | 222 | 223 | 224 | 225 | 226 | 227 | 228 | 229 | 230 | 231 | 232 | 233 | 234 | 235 | 236 | 237 | 238 | 239 | 240 | 241 | 242 | 243 | 244 | 245 | 246 | 247 | 248 | 249 | 250 | 251 | 252 | 253 | 254 | 255 | 256 | 257 | 258 | 259 | 260 | 261 | 262 | 263 | 264 | 265 | 266 | 267 | 268 | 269 | 270 | 271 | 272 | 273 | 274 | 275 | 276 | 277 | 278 | 279 | 280 | 281 | 282 | 283 | 284 | 285 | 286 | 287 | 288 | 289 | 290 | 291 | 292 | 293 | 294 | 295 | 296 | 297 | 298 | 299 | 300 | 301 | 302 | 303 | 304 | 305 | 306 | 307 | 308 | 309 | 310 | 311 | 312 | 313 | 314 | 315 | 316 | 317 | 318 | 319 | 320 | 321 | 322 | 323 | 324 | 325 | 326 | 327 | 328 | 329 | 330 | 331 | 332 | 333 | 334 | 335 | 336 | 337 | 338 | 339 | 340 | 341 | 342 | 343 | 344 | 345 | 346 | 347 | 348 | 349 | 350 | 351 | 352 | 353 | 354 | 355 | 356 | 357 | 358 | 359 | 360 | 361 | 362 | 363 | 364 | 365 | 366 | 367 | 368 | 369 | 370 | 371 | 372 | 373 | 374 | 375 | 376 | 377 | 378 | 379 | 380 | 381 | 382 | 383 | 384 | 385 | 386 | 387 | 388 | 389 | 390 | 391 | 392 | 393 | 394 | 395 | 396 | 397 | 398 | 399 | 400 | 401 | 402 | 403 | --------------------------------------------------------------------------------