├── 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 │ │ │ ├── drawable-v24 │ │ │ │ └── ic_launcher_foreground.xml │ │ │ └── drawable │ │ │ │ └── ic_launcher_background.xml │ │ ├── java │ │ │ └── com │ │ │ │ └── kiptechie │ │ │ │ └── canvasweightpicker │ │ │ │ ├── models │ │ │ │ ├── LineType.kt │ │ │ │ └── ScaleStyle.kt │ │ │ │ ├── ui │ │ │ │ └── theme │ │ │ │ │ ├── Color.kt │ │ │ │ │ ├── Shape.kt │ │ │ │ │ ├── Type.kt │ │ │ │ │ └── Theme.kt │ │ │ │ ├── MainActivity.kt │ │ │ │ ├── WeightPickerScreen.kt │ │ │ │ └── components │ │ │ │ └── WeightScale.kt │ │ └── AndroidManifest.xml │ ├── test │ │ └── java │ │ │ └── com │ │ │ └── kiptechie │ │ │ └── canvasweightpicker │ │ │ └── ExampleUnitTest.kt │ └── androidTest │ │ └── java │ │ └── com │ │ └── kiptechie │ │ └── canvasweightpicker │ │ └── ExampleInstrumentedTest.kt ├── proguard-rules.pro └── build.gradle ├── .gitattributes ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── videos └── canvas_weight_picker_vid.mp4 ├── settings.gradle ├── .gitignore ├── README.md ├── LICENSE ├── gradle.properties ├── gradlew.bat └── gradlew /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build -------------------------------------------------------------------------------- /.gitattributes: -------------------------------------------------------------------------------- 1 | # Auto detect text files and perform LF normalization 2 | * text=auto 3 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | Canvas Weight Picker 3 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kiptechie/CanvasWeightPicker/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /videos/canvas_weight_picker_vid.mp4: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kiptechie/CanvasWeightPicker/HEAD/videos/canvas_weight_picker_vid.mp4 -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kiptechie/CanvasWeightPicker/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kiptechie/CanvasWeightPicker/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kiptechie/CanvasWeightPicker/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kiptechie/CanvasWeightPicker/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kiptechie/CanvasWeightPicker/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher_round.webp: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/kiptechie/CanvasWeightPicker/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/kiptechie/CanvasWeightPicker/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/kiptechie/CanvasWeightPicker/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/kiptechie/CanvasWeightPicker/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/kiptechie/CanvasWeightPicker/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp -------------------------------------------------------------------------------- /app/src/main/java/com/kiptechie/canvasweightpicker/models/LineType.kt: -------------------------------------------------------------------------------- 1 | package com.kiptechie.canvasweightpicker.models 2 | 3 | sealed class LineType { 4 | object Normal : LineType() 5 | object FiveStep : LineType() 6 | object TenStep : LineType() 7 | } -------------------------------------------------------------------------------- /app/src/main/res/values/themes.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 7 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Mon May 02 12:51:52 EAT 2022 2 | distributionBase=GRADLE_USER_HOME 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip 4 | distributionPath=wrapper/dists 5 | zipStorePath=wrapper/dists 6 | zipStoreBase=GRADLE_USER_HOME 7 | -------------------------------------------------------------------------------- /app/src/main/java/com/kiptechie/canvasweightpicker/ui/theme/Color.kt: -------------------------------------------------------------------------------- 1 | package com.kiptechie.canvasweightpicker.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) -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | pluginManagement { 2 | repositories { 3 | gradlePluginPortal() 4 | google() 5 | mavenCentral() 6 | } 7 | } 8 | dependencyResolutionManagement { 9 | repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS) 10 | repositories { 11 | google() 12 | mavenCentral() 13 | } 14 | } 15 | rootProject.name = "Canvas Weight Picker" 16 | include ':app' 17 | -------------------------------------------------------------------------------- /app/src/main/java/com/kiptechie/canvasweightpicker/ui/theme/Shape.kt: -------------------------------------------------------------------------------- 1 | package com.kiptechie.canvasweightpicker.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 | ) -------------------------------------------------------------------------------- /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/kiptechie/canvasweightpicker/ExampleUnitTest.kt: -------------------------------------------------------------------------------- 1 | package com.kiptechie.canvasweightpicker 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 | } -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Gradle files 2 | .gradle/ 3 | build/ 4 | 5 | # Local configuration file (sdk path, etc) 6 | local.properties 7 | 8 | # Log/OS Files 9 | *.log 10 | 11 | # Android Studio generated files and folders 12 | captures/ 13 | .externalNativeBuild/ 14 | .cxx/ 15 | *.apk 16 | output.json 17 | 18 | # IntelliJ 19 | *.iml 20 | .idea/ 21 | 22 | # Keystore files 23 | *.jks 24 | *.keystore 25 | 26 | # Google Services (e.g. APIs or Firebase) 27 | google-services.json 28 | 29 | # Android Profiling 30 | *.hprof 31 | -------------------------------------------------------------------------------- /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/java/com/kiptechie/canvasweightpicker/models/ScaleStyle.kt: -------------------------------------------------------------------------------- 1 | package com.kiptechie.canvasweightpicker.models 2 | 3 | import androidx.compose.ui.graphics.Color 4 | import androidx.compose.ui.unit.Dp 5 | import androidx.compose.ui.unit.TextUnit 6 | import androidx.compose.ui.unit.dp 7 | import androidx.compose.ui.unit.sp 8 | 9 | data class ScaleStyle( 10 | val scaleWidth: Dp = 100.dp, 11 | val radius: Dp = 550.dp, 12 | val normalLineColor: Color = Color.LightGray, 13 | val fiveStepLineColor: Color = Color.Green, 14 | val tenStepLineColor: Color = Color.Black, 15 | val normalLineLength: Dp = 15.dp, 16 | val fiveStepLineLength: Dp = 25.dp, 17 | val tenStepLineLength: Dp = 35.dp, 18 | val scaleIndicatorColor: Color = Color.Green, 19 | val scaleIndicatorLength: Dp = 60.dp, 20 | val textSize: TextUnit = 18.sp 21 | ) -------------------------------------------------------------------------------- /app/src/androidTest/java/com/kiptechie/canvasweightpicker/ExampleInstrumentedTest.kt: -------------------------------------------------------------------------------- 1 | package com.kiptechie.canvasweightpicker 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.kiptechie.canvasweightpicker", appContext.packageName) 23 | } 24 | } -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # CanvasWeightPicker 2 | 3 | A simple compose weight picker drawn with canvas. 4 | 5 | ## Features 6 | 7 | * Drag scale to select weight 8 | * Haptic feedback on weight selected 9 | 10 | ## Video of working app 11 | 12 | https://user-images.githubusercontent.com/40039858/166221666-82856a2d-ec1b-440b-97cb-30c600beff09.mp4 13 | 14 | ## Installation 15 | 16 | Clone this repository and import into **Android Studio** 17 | 18 | ```bash 19 | git clone git@github.com:kiptechie/CanvasWeightPicker.git 20 | ``` 21 | 22 | ## Maintainers 23 | 24 | This project is maintained by: 25 | 26 | * [Kiptechie](https://github.com/kiptechie) 27 | 28 | ## Contributing 29 | 30 | 1. Fork it 31 | 2. Create your feature branch (git checkout -b my-new-feature) 32 | 3. Commit your changes (git commit -m 'Add some feature') 33 | 4. Push your branch (git push origin my-new-feature) 34 | 5. Create a new Pull Request 35 | 36 | -------------------------------------------------------------------------------- /app/src/main/java/com/kiptechie/canvasweightpicker/ui/theme/Type.kt: -------------------------------------------------------------------------------- 1 | package com.kiptechie.canvasweightpicker.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 | ) -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 12 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2022 Timothy Serem 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /app/src/main/java/com/kiptechie/canvasweightpicker/ui/theme/Theme.kt: -------------------------------------------------------------------------------- 1 | package com.kiptechie.canvasweightpicker.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 | 9 | private val DarkColorPalette = darkColors( 10 | primary = Purple200, 11 | primaryVariant = Purple700, 12 | secondary = Teal200 13 | ) 14 | 15 | private val LightColorPalette = lightColors( 16 | primary = Purple500, 17 | primaryVariant = Purple700, 18 | secondary = Teal200 19 | 20 | /* Other default colors to override 21 | background = Color.White, 22 | surface = Color.White, 23 | onPrimary = Color.White, 24 | onSecondary = Color.Black, 25 | onBackground = Color.Black, 26 | onSurface = Color.Black, 27 | */ 28 | ) 29 | 30 | @Composable 31 | fun CanvasWeightPickerTheme( 32 | darkTheme: Boolean = isSystemInDarkTheme(), 33 | content: @Composable () -> Unit 34 | ) { 35 | val colors = if (darkTheme) { 36 | DarkColorPalette 37 | } else { 38 | LightColorPalette 39 | } 40 | 41 | MaterialTheme( 42 | colors = colors, 43 | typography = Typography, 44 | shapes = Shapes, 45 | content = content 46 | ) 47 | } -------------------------------------------------------------------------------- /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 -------------------------------------------------------------------------------- /app/src/main/java/com/kiptechie/canvasweightpicker/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.kiptechie.canvasweightpicker 2 | 3 | import android.os.Bundle 4 | import androidx.activity.ComponentActivity 5 | import androidx.activity.compose.setContent 6 | import androidx.compose.material.MaterialTheme 7 | import androidx.compose.material.Surface 8 | import androidx.compose.runtime.Composable 9 | import androidx.compose.ui.Modifier 10 | import androidx.compose.ui.tooling.preview.Preview 11 | import com.kiptechie.canvasweightpicker.ui.theme.CanvasWeightPickerTheme 12 | import androidx.compose.animation.ExperimentalAnimationApi 13 | import androidx.compose.foundation.layout.* 14 | 15 | @ExperimentalAnimationApi 16 | class MainActivity : ComponentActivity() { 17 | override fun onCreate(savedInstanceState: Bundle?) { 18 | super.onCreate(savedInstanceState) 19 | setContent { 20 | CanvasWeightPickerTheme { 21 | // A surface container using the 'background' color from the theme 22 | Surface( 23 | modifier = Modifier.fillMaxSize(), 24 | color = MaterialTheme.colors.background 25 | ) { 26 | WeightPickerScreen() 27 | } 28 | } 29 | } 30 | } 31 | } 32 | 33 | @ExperimentalAnimationApi 34 | @Preview(showBackground = true) 35 | @Composable 36 | fun DefaultPreview() { 37 | CanvasWeightPickerTheme { 38 | WeightPickerScreen() 39 | } 40 | } 41 | -------------------------------------------------------------------------------- /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 | compileSdk 32 8 | 9 | defaultConfig { 10 | applicationId "com.kiptechie.canvasweightpicker" 11 | minSdk 21 12 | targetSdk 32 13 | versionCode 1 14 | versionName "1.0" 15 | 16 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 17 | vectorDrawables { 18 | useSupportLibrary true 19 | } 20 | } 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 | buildFeatures { 36 | compose true 37 | } 38 | composeOptions { 39 | kotlinCompilerExtensionVersion compose_version 40 | } 41 | packagingOptions { 42 | resources { 43 | excludes += '/META-INF/{AL2.0,LGPL2.1}' 44 | } 45 | } 46 | } 47 | 48 | dependencies { 49 | 50 | implementation 'androidx.core:core-ktx:1.7.0' 51 | implementation "androidx.compose.ui:ui:$compose_version" 52 | implementation "androidx.compose.material:material:$compose_version" 53 | implementation "androidx.compose.ui:ui-tooling-preview:$compose_version" 54 | implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.1' 55 | implementation 'androidx.activity:activity-compose:1.3.1' 56 | testImplementation 'junit:junit:4.13.2' 57 | androidTestImplementation 'androidx.test.ext:junit:1.1.3' 58 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0' 59 | androidTestImplementation "androidx.compose.ui:ui-test-junit4:$compose_version" 60 | debugImplementation "androidx.compose.ui:ui-tooling:$compose_version" 61 | } -------------------------------------------------------------------------------- /app/src/main/java/com/kiptechie/canvasweightpicker/WeightPickerScreen.kt: -------------------------------------------------------------------------------- 1 | package com.kiptechie.canvasweightpicker 2 | 3 | import androidx.compose.animation.ExperimentalAnimationApi 4 | import androidx.compose.foundation.layout.* 5 | import androidx.compose.material.Text 6 | import androidx.compose.runtime.* 7 | import androidx.compose.ui.Alignment 8 | import androidx.compose.ui.Modifier 9 | import androidx.compose.ui.hapticfeedback.HapticFeedbackType 10 | import androidx.compose.ui.platform.LocalHapticFeedback 11 | import androidx.compose.ui.res.stringResource 12 | import androidx.compose.ui.unit.dp 13 | import androidx.compose.ui.unit.sp 14 | import com.kiptechie.canvasweightpicker.components.WeightScale 15 | import com.kiptechie.canvasweightpicker.models.ScaleStyle 16 | 17 | @ExperimentalAnimationApi 18 | @Composable 19 | fun WeightPickerScreen() { 20 | var weight by remember { 21 | mutableStateOf(80) 22 | } 23 | val haptic = LocalHapticFeedback.current 24 | Box(modifier = Modifier.fillMaxSize()) { 25 | WeightScale( 26 | modifier = Modifier 27 | .fillMaxWidth() 28 | .height(200.dp) 29 | .align(Alignment.BottomCenter), 30 | style = ScaleStyle( 31 | scaleWidth = 140.dp 32 | ), 33 | onWeightChange = { 34 | weight = it 35 | when { 36 | it % 10 == 0 -> { 37 | haptic.performHapticFeedback(HapticFeedbackType.LongPress) 38 | } 39 | } 40 | } 41 | ) 42 | Text( 43 | modifier = Modifier 44 | .wrapContentSize() 45 | .padding(16.dp) 46 | .align(Alignment.Center), 47 | text = "$weight Kg", 48 | fontSize = 32.sp 49 | ) 50 | Text( 51 | modifier = Modifier 52 | .wrapContentSize() 53 | .padding(16.dp) 54 | .align(Alignment.TopCenter), 55 | text = stringResource(id = R.string.app_name), 56 | fontSize = 32.sp 57 | ) 58 | } 59 | } -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /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/java/com/kiptechie/canvasweightpicker/components/WeightScale.kt: -------------------------------------------------------------------------------- 1 | package com.kiptechie.canvasweightpicker.components 2 | 3 | import android.graphics.Color 4 | import android.graphics.Paint 5 | import android.util.Log 6 | import androidx.compose.foundation.Canvas 7 | import androidx.compose.foundation.gestures.detectDragGestures 8 | import androidx.compose.runtime.* 9 | import androidx.compose.ui.Modifier 10 | import androidx.compose.ui.geometry.Offset 11 | import androidx.compose.ui.graphics.Path 12 | import androidx.compose.ui.graphics.nativeCanvas 13 | import androidx.compose.ui.input.pointer.pointerInput 14 | import androidx.compose.ui.unit.dp 15 | import androidx.core.graphics.withRotation 16 | import com.kiptechie.canvasweightpicker.models.LineType 17 | import com.kiptechie.canvasweightpicker.models.ScaleStyle 18 | import kotlin.math.* 19 | 20 | @Composable 21 | fun WeightScale( 22 | modifier: Modifier = Modifier, 23 | style: ScaleStyle = ScaleStyle(), 24 | minWeight: Int = 20, 25 | maxWeight: Int = 250, 26 | initialWeight: Int = 80, 27 | onWeightChange: (Int) -> Unit 28 | ) { 29 | val radius = style.radius 30 | val scaleWidth = style.scaleWidth 31 | var center by remember { 32 | mutableStateOf(Offset.Zero) 33 | } 34 | var circleCenter by remember { 35 | mutableStateOf(Offset.Zero) 36 | } 37 | var angle by remember { 38 | mutableStateOf(0f) 39 | } 40 | var dragStartedAngle by remember { 41 | mutableStateOf(0f) 42 | } 43 | var oldAngle by remember { 44 | mutableStateOf(0f) 45 | } 46 | Canvas( 47 | modifier = modifier 48 | .pointerInput(key1 = true, block = { 49 | detectDragGestures( 50 | onDragStart = { offset -> 51 | dragStartedAngle = -atan2( 52 | y = circleCenter.x - offset.x, 53 | x = circleCenter.y - offset.y 54 | ) * (180f / PI.toFloat()) 55 | }, 56 | onDragEnd = { 57 | oldAngle = angle 58 | } 59 | ) { change, _ -> 60 | val touchAngle = -atan2( 61 | y = circleCenter.x - change.position.x, 62 | x = circleCenter.y - change.position.y 63 | ) * (180f / PI.toFloat()) 64 | val newAngle = oldAngle + (touchAngle - dragStartedAngle) 65 | angle = newAngle.coerceIn( 66 | minimumValue = initialWeight - maxWeight.toFloat(), 67 | maximumValue = initialWeight - minWeight.toFloat() 68 | ) 69 | onWeightChange((initialWeight - angle).roundToInt()) 70 | } 71 | }), 72 | onDraw = { 73 | center = this.center 74 | circleCenter = Offset(center.x, scaleWidth.toPx() / 2f + radius.toPx()) 75 | val outerRadius = radius.toPx() + scaleWidth.toPx() / 2f 76 | val innerRadius = radius.toPx() - scaleWidth.toPx() / 2f 77 | drawContext.canvas.nativeCanvas.apply { 78 | drawCircle( 79 | circleCenter.x, 80 | circleCenter.y, 81 | radius.toPx(), 82 | Paint().apply { 83 | strokeWidth = scaleWidth.toPx() 84 | color = Color.WHITE 85 | setStyle(Paint.Style.STROKE) 86 | setShadowLayer( 87 | 60f, 88 | 0f, 89 | 0f, 90 | Color.argb(50, 0, 0, 0) 91 | ) 92 | } 93 | ) 94 | } 95 | // draw lines 96 | for (i in minWeight..maxWeight) { 97 | val angleInRad = (i - initialWeight + angle - 90) * (PI / 180f).toFloat() 98 | Log.e("MANGLE", "Angle: $angleInRad") 99 | val lineType = when { 100 | i % 10 == 0 -> LineType.TenStep 101 | i % 5 == 0 -> LineType.FiveStep 102 | else -> LineType.Normal 103 | } 104 | val lineLength = when (lineType) { 105 | LineType.FiveStep -> style.fiveStepLineLength.toPx() 106 | LineType.Normal -> style.normalLineLength.toPx() 107 | LineType.TenStep -> style.tenStepLineLength.toPx() 108 | } 109 | val lineColor = when (lineType) { 110 | LineType.FiveStep -> style.fiveStepLineColor 111 | LineType.Normal -> style.normalLineColor 112 | LineType.TenStep -> style.tenStepLineColor 113 | } 114 | val lineStart = Offset( 115 | x = (outerRadius - lineLength) * cos(angleInRad) + circleCenter.x, 116 | y = (outerRadius - lineLength) * sin(angleInRad) + circleCenter.y 117 | ) 118 | val lineEnd = Offset( 119 | x = outerRadius * cos(angleInRad) + circleCenter.x, 120 | y = outerRadius * sin(angleInRad) + circleCenter.y 121 | ) 122 | // draw text 123 | drawContext.canvas.nativeCanvas.apply { 124 | if (lineType is LineType.TenStep) { 125 | val textRadius = 126 | outerRadius - lineLength - 5.dp.toPx() - style.textSize.toPx() 127 | val x = textRadius * cos(angleInRad) + circleCenter.x 128 | val y = textRadius * sin(angleInRad) + circleCenter.y 129 | withRotation( 130 | degrees = angleInRad * (180f / PI.toFloat()) + 90f, 131 | pivotX = x, 132 | pivotY = y 133 | ) { 134 | drawText( 135 | abs(i).toString(), 136 | x, 137 | y, 138 | Paint().apply { 139 | textSize = style.textSize.toPx() 140 | textAlign = Paint.Align.CENTER 141 | } 142 | ) 143 | } 144 | } 145 | } 146 | drawLine( 147 | color = lineColor, 148 | start = lineStart, 149 | end = lineEnd, 150 | strokeWidth = 1.dp.toPx() 151 | ) 152 | val middleTop = Offset( 153 | x = circleCenter.x, 154 | y = circleCenter.y - innerRadius - style.scaleIndicatorLength.toPx() 155 | ) 156 | val bottomLeft = Offset( 157 | x = circleCenter.x - 4f, 158 | y = circleCenter.y - innerRadius 159 | ) 160 | val bottomRight = Offset( 161 | x = circleCenter.x + 4f, 162 | y = circleCenter.y - innerRadius 163 | ) 164 | val indicator = Path().apply { 165 | moveTo(middleTop.x, middleTop.y) 166 | lineTo(bottomLeft.x, bottomLeft.y) 167 | lineTo(bottomRight.x, bottomRight.y) 168 | lineTo(middleTop.x, middleTop.y) 169 | } 170 | drawPath( 171 | path = indicator, 172 | color = style.scaleIndicatorColor 173 | ) 174 | } 175 | } 176 | ) 177 | } --------------------------------------------------------------------------------