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‎.gitignore‎

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# Miscellaneous
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*.class
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*.log
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*.pyc
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*.swp
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.DS_Store
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.atom/
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.buildlog/
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.history
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.svn/
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migrate_working_dir/
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# IntelliJ related
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*.iml
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*.ipr
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*.iws
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.idea/
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# The .vscode folder contains launch configuration and tasks you configure in
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# VS Code which you may wish to be included in version control, so this line
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# is commented out by default.
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#.vscode/
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# Flutter/Dart/Pub related
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**/doc/api/
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**/ios/Flutter/.last_build_id
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.dart_tool/
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.flutter-plugins
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.flutter-plugins-dependencies
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.packages
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.pub-cache/
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.pub/
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/build/
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# Symbolication related
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app.*.symbols
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# Obfuscation related
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app.*.map.json
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# Android Studio will place build artifacts here
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/android/app/debug
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/android/app/profile
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/android/app/release

‎.metadata‎

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# This file tracks properties of this Flutter project.
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# Used by Flutter tool to assess capabilities and perform upgrades etc.
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#
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# This file should be version controlled.
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version:
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revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
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channel: stable
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project_type: app
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# Tracks metadata for the flutter migrate command
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migration:
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platforms:
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- platform: root
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create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
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base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
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- platform: android
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create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
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base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
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- platform: ios
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create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
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base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
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- platform: linux
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create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
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base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
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- platform: macos
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create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
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base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
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- platform: web
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create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
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base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
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- platform: windows
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create_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
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base_revision: 4d9e56e694b656610ab87fcf2efbcd226e0ed8cf
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# User provided section
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# List of Local paths (relative to this file) that should be
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# ignored by the migrate tool.
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#
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# Files that are not part of the templates will be ignored by default.
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unmanaged_files:
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- 'lib/main.dart'
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- 'ios/Runner.xcodeproj/project.pbxproj'

‎README.md‎

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# testing_application
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A new Flutter project.
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## Getting Started
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This project is a starting point for a Flutter application.
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A few resources to get you started if this is your first Flutter project:
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- [Lab: Write your first Flutter app](https://docs.flutter.dev/get-started/codelab)
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- [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook)
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For help getting started with Flutter development, view the
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[online documentation](https://docs.flutter.dev/), which offers tutorials,
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samples, guidance on mobile development, and a full API reference.

‎analysis_options.yaml‎

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# This file configures the analyzer, which statically analyzes Dart code to
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# check for errors, warnings, and lints.
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#
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# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
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# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
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# invoked from the command line by running `flutter analyze`.
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# The following line activates a set of recommended lints for Flutter apps,
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# packages, and plugins designed to encourage good coding practices.
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include: package:flutter_lints/flutter.yaml
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linter:
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# The lint rules applied to this project can be customized in the
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# section below to disable rules from the `package:flutter_lints/flutter.yaml`
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# included above or to enable additional rules. A list of all available lints
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# and their documentation is published at
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# https://dart-lang.github.io/linter/lints/index.html.
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#
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# Instead of disabling a lint rule for the entire project in the
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# section below, it can also be suppressed for a single line of code
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# or a specific dart file by using the `// ignore: name_of_lint` and
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# `// ignore_for_file: name_of_lint` syntax on the line or in the file
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# producing the lint.
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rules:
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# avoid_print: false # Uncomment to disable the `avoid_print` rule
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# prefer_single_quotes: true # Uncomment to enable the `prefer_single_quotes` rule
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# Additional information about this file can be found at
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# https://dart.dev/guides/language/analysis-options

‎android/.gitignore‎

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gradle-wrapper.jar
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/.gradle
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/captures/
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/gradlew
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/gradlew.bat
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/local.properties
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GeneratedPluginRegistrant.java
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# Remember to never publicly share your keystore.
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# See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app
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key.properties
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**/*.keystore
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**/*.jks

‎android/app/build.gradle‎

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def localProperties = new Properties()
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def localPropertiesFile = rootProject.file('local.properties')
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if (localPropertiesFile.exists()) {
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localPropertiesFile.withReader('UTF-8') { reader ->
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localProperties.load(reader)
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}
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}
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def flutterRoot = localProperties.getProperty('flutter.sdk')
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if (flutterRoot == null) {
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throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
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}
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def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
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if (flutterVersionCode == null) {
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flutterVersionCode = '1'
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}
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def flutterVersionName = localProperties.getProperty('flutter.versionName')
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if (flutterVersionName == null) {
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flutterVersionName = '1.0'
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}
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apply plugin: 'com.android.application'
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apply plugin: 'kotlin-android'
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apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
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android {
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compileSdkVersion flutter.compileSdkVersion
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ndkVersion flutter.ndkVersion
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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kotlinOptions {
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jvmTarget = '1.8'
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}
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sourceSets {
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main.java.srcDirs += 'src/main/kotlin'
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}
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defaultConfig {
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// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
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applicationId "com.example.testing_application"
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// You can update the following values to match your application needs.
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// For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
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minSdkVersion 23
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targetSdkVersion flutter.targetSdkVersion
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versionCode flutterVersionCode.toInteger()
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versionName flutterVersionName
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}
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buildTypes {
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release {
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// TODO: Add your own signing config for the release build.
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// Signing with the debug keys for now, so `flutter run --release` works.
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signingConfig signingConfigs.debug
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}
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}
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}
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flutter {
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source '../..'
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}
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dependencies {
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implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
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}

‎android/app/src/debug/AndroidManifest.xml‎

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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.example.testing_application">
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<!-- The INTERNET permission is required for development. Specifically,
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the Flutter tool needs it to communicate with the running application
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to allow setting breakpoints, to provide hot reload, etc.
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-->
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<uses-permission android:name="android.permission.INTERNET"/>
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</manifest>

‎android/app/src/main/AndroidManifest.xml‎

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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.example.testing_application">
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<uses-permission android:name="android.permission.BLUETOOTH"/>
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<uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
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<uses-permission android:name="android.permission.BLUETOOTH_SCAN" android:usesPermissionFlags="neverForLocation"/>
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<uses-feature android:name="android.hardware.bluetooth_le" />
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<application
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android:label="testing_application"
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android:name="${applicationName}"
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android:icon="@mipmap/ic_launcher">
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<activity
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android:name=".MainActivity"
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android:exported="true"
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android:launchMode="singleTop"
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android:theme="@style/LaunchTheme"
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android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
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android:hardwareAccelerated="true"
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android:windowSoftInputMode="adjustResize">
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<!-- Specifies an Android theme to apply to this Activity as soon as
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the Android process has started. This theme is visible to the user
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while the Flutter UI initializes. After that, this theme continues
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to determine the Window background behind the Flutter UI. -->
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<meta-data
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android:name="io.flutter.embedding.android.NormalTheme"
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android:resource="@style/NormalTheme"
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/>
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<intent-filter>
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<action android:name="android.intent.action.MAIN"/>
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<category android:name="android.intent.category.LAUNCHER"/>
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</intent-filter>
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</activity>
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<!-- Don't delete the meta-data below.
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This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
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<meta-data
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android:name="flutterEmbedding"
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android:value="2" />
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</application>
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</manifest>

‎android/app/src/main/kotlin/com/example/testing_application/AndroidBluetoothController.kt‎

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package com.example.testing_application
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import android.annotation.SuppressLint
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import android.bluetooth.BluetoothManager
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import android.content.Context
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import android.content.IntentFilter
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import android.content.pm.PackageManager
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import kotlinx.coroutines.flow.MutableStateFlow
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import kotlinx.coroutines.flow.StateFlow
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import kotlinx.coroutines.flow.asStateFlow
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import kotlinx.coroutines.flow.update
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import toBluetoothDeviceDomain
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import java.util.jar.Manifest
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@SuppressLint("MissingPermission")
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class AndroidBluetoothController (
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private val context: Context
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): BluetoothController{
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private val bluetoothManager by lazy{
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context.getSystemService(BluetoothManager::class.java)
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}
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private val bluetoothAdapter by lazy{
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bluetoothManager?.adapter
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}
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private val _scannedDevices = MutableStateFlow<List<BluetoothDeviceDomain>>(emptyList())
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override val scannedDevices: StateFlow<List<BluetoothDeviceDomain>>
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get() = _scannedDevices.asStateFlow()
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private val _pairedDevices = MutableStateFlow<List<BluetoothDeviceDomain>>(emptyList())
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override val pairedDevices: StateFlow<List<BluetoothDeviceDomain>>
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get() = _pairedDevices.asStateFlow()
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private val foundDeviceReceiver = FoundDeviceReceiver{
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device -> _scannedDevices.update { devices ->
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val newDevice = device.toBluetoothDeviceDomain()
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if(newDevice in devices) devices else devices + newDevice
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}
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}
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init{
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updatePairedDevices()
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}
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override fun startDiscovery() {
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if(!hasPermission(android.Manifest.permission.BLUETOOTH_SCAN)){
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println('S');
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return
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}
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println('F');
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context.registerReceiver(
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foundDeviceReceiver,
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IntentFilter(android.bluetooth.BluetoothDevice.ACTION_FOUND)
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)
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updatePairedDevices()
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bluetoothAdapter?.startDiscovery()
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}
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override fun stopDiscovery() {
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if(!hasPermission(android.Manifest.permission.BLUETOOTH_CONNECT)){
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return
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}
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bluetoothAdapter?.cancelDiscovery()
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}
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override fun release() {
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context.unregisterReceiver(
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foundDeviceReceiver
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)
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}
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fun getScannedDevices(): List<BluetoothDevice> {
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return _scannedDevices.value
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}
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private fun updatePairedDevices(){
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if(!hasPermission(android.Manifest.permission.BLUETOOTH_CONNECT)){
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return
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}
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bluetoothAdapter?.bondedDevices?.map{
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it.toBluetoothDeviceDomain() }
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?.also { devices ->
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_pairedDevices.update { devices } }
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}
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fun hasPermission(permission: String): Boolean{
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return context.checkSelfPermission(permission) == PackageManager.PERMISSION_GRANTED
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}
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}

‎android/app/src/main/kotlin/com/example/testing_application/BluetoothController.kt‎

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package com.example.testing_application
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import kotlinx.coroutines.flow.StateFlow
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interface BluetoothController{
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val scannedDevices: StateFlow<List<BluetoothDevice>>
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val pairedDevices: StateFlow<List<BluetoothDevice>>
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fun startDiscovery()
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fun stopDiscovery()
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fun release()
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}

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