├── .gitignore ├── .metadata ├── README.md ├── android ├── app │ ├── build.gradle │ └── src │ │ ├── debug │ │ └── AndroidManifest.xml │ │ ├── main │ │ ├── AndroidManifest.xml │ │ ├── kotlin │ │ │ └── tech │ │ │ │ └── arifandi │ │ │ │ └── flutter_mqtt_location_example │ │ │ │ └── MainActivity.kt │ │ └── res │ │ │ ├── drawable │ │ │ └── launch_background.xml │ │ │ ├── mipmap-hdpi │ │ │ └── ic_launcher.png │ │ │ ├── mipmap-mdpi │ │ │ └── ic_launcher.png │ │ │ ├── mipmap-xhdpi │ │ │ └── ic_launcher.png │ │ │ ├── mipmap-xxhdpi │ │ │ └── ic_launcher.png │ │ │ ├── mipmap-xxxhdpi │ │ │ └── ic_launcher.png │ │ │ └── values │ │ │ └── styles.xml │ │ └── profile │ │ └── AndroidManifest.xml ├── build.gradle ├── gradle.properties ├── gradle │ └── wrapper │ │ └── gradle-wrapper.properties └── settings.gradle ├── ios ├── Flutter │ ├── AppFrameworkInfo.plist │ ├── Debug.xcconfig │ └── Release.xcconfig ├── Runner.xcodeproj │ ├── project.pbxproj │ ├── project.xcworkspace │ │ └── contents.xcworkspacedata │ └── xcshareddata │ │ └── xcschemes │ │ └── Runner.xcscheme ├── Runner.xcworkspace │ └── contents.xcworkspacedata └── Runner │ ├── AppDelegate.swift │ ├── Assets.xcassets │ ├── AppIcon.appiconset │ │ ├── Contents.json │ │ ├── Icon-App-1024x1024@1x.png │ │ ├── Icon-App-20x20@1x.png │ │ ├── Icon-App-20x20@2x.png │ │ ├── Icon-App-20x20@3x.png │ │ ├── Icon-App-29x29@1x.png │ │ ├── Icon-App-29x29@2x.png │ │ ├── Icon-App-29x29@3x.png │ │ ├── Icon-App-40x40@1x.png │ │ ├── Icon-App-40x40@2x.png │ │ ├── Icon-App-40x40@3x.png │ │ ├── Icon-App-60x60@2x.png │ │ ├── Icon-App-60x60@3x.png │ │ ├── Icon-App-76x76@1x.png │ │ ├── Icon-App-76x76@2x.png │ │ └── Icon-App-83.5x83.5@2x.png │ └── LaunchImage.imageset │ │ ├── Contents.json │ │ ├── LaunchImage.png │ │ ├── LaunchImage@2x.png │ │ ├── LaunchImage@3x.png │ │ └── README.md │ ├── Base.lproj │ ├── LaunchScreen.storyboard │ └── Main.storyboard │ ├── Info.plist │ └── Runner-Bridging-Header.h ├── lib ├── constants.dart ├── converter.dart ├── locationWrapper.dart ├── main.dart ├── models.dart └── mqttClientWrapper.dart ├── pubspec.lock ├── pubspec.yaml ├── res └── values │ └── strings_en.arb └── test └── widget_test.dart /.gitignore: -------------------------------------------------------------------------------- 1 | # Miscellaneous 2 | *.class 3 | *.log 4 | *.pyc 5 | *.swp 6 | .DS_Store 7 | .atom/ 8 | .buildlog/ 9 | .history 10 | .svn/ 11 | 12 | # IntelliJ related 13 | *.iml 14 | *.ipr 15 | *.iws 16 | .idea/ 17 | 18 | # The .vscode folder contains launch configuration and tasks you configure in 19 | # VS Code which you may wish to be included in version control, so this line 20 | # is commented out by default. 21 | #.vscode/ 22 | 23 | # Flutter/Dart/Pub related 24 | **/doc/api/ 25 | .dart_tool/ 26 | .flutter-plugins 27 | .packages 28 | .pub-cache/ 29 | .pub/ 30 | /build/ 31 | 32 | # Android related 33 | **/android/**/gradle-wrapper.jar 34 | **/android/.gradle 35 | **/android/captures/ 36 | **/android/gradlew 37 | **/android/gradlew.bat 38 | **/android/local.properties 39 | **/android/**/GeneratedPluginRegistrant.java 40 | 41 | # iOS/XCode related 42 | **/ios/**/*.mode1v3 43 | **/ios/**/*.mode2v3 44 | **/ios/**/*.moved-aside 45 | **/ios/**/*.pbxuser 46 | **/ios/**/*.perspectivev3 47 | **/ios/**/*sync/ 48 | **/ios/**/.sconsign.dblite 49 | **/ios/**/.tags* 50 | **/ios/**/.vagrant/ 51 | **/ios/**/DerivedData/ 52 | **/ios/**/Icon? 53 | **/ios/**/Pods/ 54 | **/ios/**/.symlinks/ 55 | **/ios/**/profile 56 | **/ios/**/xcuserdata 57 | **/ios/.generated/ 58 | **/ios/Flutter/App.framework 59 | **/ios/Flutter/Flutter.framework 60 | **/ios/Flutter/Generated.xcconfig 61 | **/ios/Flutter/app.flx 62 | **/ios/Flutter/app.zip 63 | **/ios/Flutter/flutter_assets/ 64 | **/ios/Flutter/flutter_export_environment.sh 65 | **/ios/ServiceDefinitions.json 66 | **/ios/Runner/GeneratedPluginRegistrant.* 67 | 68 | # Exceptions to above rules. 69 | !**/ios/**/default.mode1v3 70 | !**/ios/**/default.mode2v3 71 | !**/ios/**/default.pbxuser 72 | !**/ios/**/default.perspectivev3 73 | !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages 74 | -------------------------------------------------------------------------------- /.metadata: -------------------------------------------------------------------------------- 1 | # This file tracks properties of this Flutter project. 2 | # Used by Flutter tool to assess capabilities and perform upgrades etc. 3 | # 4 | # This file should be version controlled and should not be manually edited. 5 | 6 | version: 7 | revision: 68587a0916366e9512a78df22c44163d041dd5f3 8 | channel: stable 9 | 10 | project_type: app 11 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # flutter_mqtt_location_example 2 | 3 | A new Flutter application implementing location sharing with MQTT as a communication protocol. 4 | 5 | ## Getting Started 6 | 7 | This project is a starting point for a Flutter application. 8 | 9 | A few resources to get you started if this is your first Flutter project: 10 | 11 | - [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab) 12 | - [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook) 13 | 14 | For help getting started with Flutter, view our 15 | [online documentation](https://flutter.dev/docs), which offers tutorials, 16 | samples, guidance on mobile development, and a full API reference. 17 | -------------------------------------------------------------------------------- /android/app/build.gradle: -------------------------------------------------------------------------------- 1 | def localProperties = new Properties() 2 | def localPropertiesFile = rootProject.file('local.properties') 3 | if (localPropertiesFile.exists()) { 4 | localPropertiesFile.withReader('UTF-8') { reader -> 5 | localProperties.load(reader) 6 | } 7 | } 8 | 9 | def flutterRoot = localProperties.getProperty('flutter.sdk') 10 | if (flutterRoot == null) { 11 | throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.") 12 | } 13 | 14 | def flutterVersionCode = localProperties.getProperty('flutter.versionCode') 15 | if (flutterVersionCode == null) { 16 | flutterVersionCode = '1' 17 | } 18 | 19 | def flutterVersionName = localProperties.getProperty('flutter.versionName') 20 | if (flutterVersionName == null) { 21 | flutterVersionName = '1.0' 22 | } 23 | 24 | apply plugin: 'com.android.application' 25 | apply plugin: 'kotlin-android' 26 | apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle" 27 | 28 | android { 29 | compileSdkVersion 28 30 | 31 | sourceSets { 32 | main.java.srcDirs += 'src/main/kotlin' 33 | } 34 | 35 | lintOptions { 36 | disable 'InvalidPackage' 37 | } 38 | 39 | defaultConfig { 40 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). 41 | applicationId "tech.arifandi.flutter_mqtt_location_example" 42 | minSdkVersion 16 43 | targetSdkVersion 28 44 | versionCode flutterVersionCode.toInteger() 45 | versionName flutterVersionName 46 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 47 | } 48 | 49 | buildTypes { 50 | release { 51 | // TODO: Add your own signing config for the release build. 52 | // Signing with the debug keys for now, so `flutter run --release` works. 53 | signingConfig signingConfigs.debug 54 | } 55 | } 56 | } 57 | 58 | flutter { 59 | source '../..' 60 | } 61 | 62 | dependencies { 63 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 64 | testImplementation 'junit:junit:4.12' 65 | androidTestImplementation 'androidx.test:runner:1.1.1' 66 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1' 67 | } 68 | -------------------------------------------------------------------------------- /android/app/src/debug/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /android/app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 4 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 19 | 21 | 28 | 32 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | -------------------------------------------------------------------------------- /android/app/src/main/kotlin/tech/arifandi/flutter_mqtt_location_example/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package tech.arifandi.flutter_mqtt_location_example 2 | 3 | import android.os.Bundle 4 | 5 | import io.flutter.app.FlutterActivity 6 | import io.flutter.plugins.GeneratedPluginRegistrant 7 | 8 | class MainActivity: FlutterActivity() { 9 | override fun onCreate(savedInstanceState: Bundle?) { 10 | super.onCreate(savedInstanceState) 11 | GeneratedPluginRegistrant.registerWith(this) 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /android/app/src/main/res/drawable/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/blackmenthor/flutter-mqtt-location-example/1fac0362e28225ea127a2141c38e3f7c7ff26d9e/android/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- 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-------------------------------------------------------------------------------- 1 | buildscript { 2 | ext.kotlin_version = '1.3.50' 3 | repositories { 4 | google() 5 | jcenter() 6 | } 7 | 8 | dependencies { 9 | classpath 'com.android.tools.build:gradle:3.5.2' 10 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 11 | classpath 'com.google.gms:google-services:4.2.0' 12 | } 13 | } 14 | 15 | allprojects { 16 | repositories { 17 | google() 18 | jcenter() 19 | } 20 | } 21 | 22 | rootProject.buildDir = '../build' 23 | subprojects { 24 | project.buildDir = "${rootProject.buildDir}/${project.name}" 25 | } 26 | subprojects { 27 | project.evaluationDependsOn(':app') 28 | } 29 | 30 | task clean(type: Delete) { 31 | delete rootProject.buildDir 32 | } 33 | -------------------------------------------------------------------------------- /android/gradle.properties: -------------------------------------------------------------------------------- 1 | org.gradle.jvmargs=-Xmx1536M 2 | android.enableR8=true 3 | android.useAndroidX=true 4 | android.enableJetifier=true 5 | 6 | -------------------------------------------------------------------------------- /android/gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Jun 23 08:50:38 CEST 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip 7 | -------------------------------------------------------------------------------- /android/settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | 3 | def flutterProjectRoot = rootProject.projectDir.parentFile.toPath() 4 | 5 | def plugins = new Properties() 6 | def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins') 7 | if (pluginsFile.exists()) { 8 | pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) } 9 | } 10 | 11 | plugins.each { name, path -> 12 | def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile() 13 | include ":$name" 14 | project(":$name").projectDir = pluginDirectory 15 | } 16 | -------------------------------------------------------------------------------- /ios/Flutter/AppFrameworkInfo.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | App 9 | CFBundleIdentifier 10 | io.flutter.flutter.app 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | App 15 | CFBundlePackageType 16 | FMWK 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1.0 23 | MinimumOSVersion 24 | 8.0 25 | 26 | 27 | -------------------------------------------------------------------------------- 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/ios/Runner.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /ios/Runner/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | import Flutter 3 | 4 | @UIApplicationMain 5 | @objc class AppDelegate: FlutterAppDelegate { 6 | override func application( 7 | _ application: UIApplication, 8 | didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? 9 | ) -> Bool { 10 | GeneratedPluginRegistrant.register(with: self) 11 | return super.application(application, didFinishLaunchingWithOptions: launchOptions) 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json: 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"60x60", 47 | "idiom" : "iphone", 48 | "filename" : "Icon-App-60x60@2x.png", 49 | "scale" : "2x" 50 | }, 51 | { 52 | "size" : "60x60", 53 | "idiom" : "iphone", 54 | "filename" : "Icon-App-60x60@3x.png", 55 | "scale" : "3x" 56 | }, 57 | { 58 | "size" : "20x20", 59 | "idiom" : "ipad", 60 | "filename" : "Icon-App-20x20@1x.png", 61 | "scale" : "1x" 62 | }, 63 | { 64 | "size" : "20x20", 65 | "idiom" : "ipad", 66 | "filename" : "Icon-App-20x20@2x.png", 67 | "scale" : "2x" 68 | }, 69 | { 70 | "size" : "29x29", 71 | "idiom" : "ipad", 72 | "filename" : "Icon-App-29x29@1x.png", 73 | "scale" : "1x" 74 | }, 75 | { 76 | "size" : "29x29", 77 | "idiom" : "ipad", 78 | "filename" : "Icon-App-29x29@2x.png", 79 | "scale" : "2x" 80 | }, 81 | { 82 | "size" : "40x40", 83 | "idiom" : "ipad", 84 | "filename" : "Icon-App-40x40@1x.png", 85 | "scale" : "1x" 86 | }, 87 | { 88 | "size" : "40x40", 89 | "idiom" : "ipad", 90 | "filename" : "Icon-App-40x40@2x.png", 91 | "scale" : "2x" 92 | }, 93 | { 94 | "size" : "76x76", 95 | "idiom" : "ipad", 96 | "filename" : "Icon-App-76x76@1x.png", 97 | "scale" : "1x" 98 | }, 99 | { 100 | "size" : "76x76", 101 | "idiom" : "ipad", 102 | "filename" : "Icon-App-76x76@2x.png", 103 | "scale" : "2x" 104 | }, 105 | { 106 | "size" : "83.5x83.5", 107 | "idiom" : "ipad", 108 | "filename" : "Icon-App-83.5x83.5@2x.png", 109 | "scale" : "2x" 110 | }, 111 | { 112 | "size" : "1024x1024", 113 | "idiom" : "ios-marketing", 114 | "filename" : "Icon-App-1024x1024@1x.png", 115 | "scale" : "1x" 116 | } 117 | ], 118 | "info" : { 119 | "version" : 1, 120 | "author" : "xcode" 121 | } 122 | } 123 | -------------------------------------------------------------------------------- /ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png: -------------------------------------------------------------------------------- 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https://raw.githubusercontent.com/blackmenthor/flutter-mqtt-location-example/1fac0362e28225ea127a2141c38e3f7c7ff26d9e/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png -------------------------------------------------------------------------------- /ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md: -------------------------------------------------------------------------------- 1 | # Launch Screen Assets 2 | 3 | You can customize the launch screen with your own desired assets by replacing the image files in this directory. 4 | 5 | You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images. -------------------------------------------------------------------------------- /ios/Runner/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 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 | -------------------------------------------------------------------------------- /ios/Runner/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 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 | -------------------------------------------------------------------------------- /ios/Runner/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | flutter_mqtt_location_example 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | $(FLUTTER_BUILD_NAME) 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | $(FLUTTER_BUILD_NUMBER) 23 | LSRequiresIPhoneOS 24 | 25 | UILaunchStoryboardName 26 | LaunchScreen 27 | UIMainStoryboardFile 28 | Main 29 | UISupportedInterfaceOrientations 30 | 31 | UIInterfaceOrientationPortrait 32 | UIInterfaceOrientationLandscapeLeft 33 | UIInterfaceOrientationLandscapeRight 34 | 35 | UISupportedInterfaceOrientations~ipad 36 | 37 | UIInterfaceOrientationPortrait 38 | UIInterfaceOrientationPortraitUpsideDown 39 | UIInterfaceOrientationLandscapeLeft 40 | UIInterfaceOrientationLandscapeRight 41 | 42 | UIViewControllerBasedStatusBarAppearance 43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /ios/Runner/Runner-Bridging-Header.h: -------------------------------------------------------------------------------- 1 | #import "GeneratedPluginRegistrant.h" -------------------------------------------------------------------------------- /lib/constants.dart: -------------------------------------------------------------------------------- 1 | import 'package:location/location.dart'; 2 | 3 | final double defaultZoom = 10.8746; 4 | final double newZoom = 15.8746; 5 | 6 | final LocationData defaultLocation = new LocationData.fromMap({ 7 | 'latitude': -6.1753871, 8 | 'longitude': 106.8249641 9 | }); 10 | 11 | final String defaultMarkerId = "1"; 12 | 13 | final String serverUri = "test.mosquitto.org"; 14 | final int port = 1883; 15 | final String topicName = "Dart/Mqtt_client/testtopic"; -------------------------------------------------------------------------------- /lib/converter.dart: -------------------------------------------------------------------------------- 1 | import 'dart:convert'; 2 | 3 | import 'package:location/location.dart'; 4 | 5 | class LocationToJsonConverter { 6 | 7 | String convert(LocationData input) { 8 | return "{\"latitude\":${input.latitude},\"longitude\":${input.longitude}}"; 9 | } 10 | 11 | } 12 | 13 | class JsonToLocationConverter { 14 | 15 | LocationData convert(String input) { 16 | Map jsonInput = jsonDecode(input); 17 | return LocationData.fromMap({ 18 | 'latitude':jsonInput['latitude'], 19 | 'longitude':jsonInput['longitude'], 20 | }); 21 | } 22 | 23 | } -------------------------------------------------------------------------------- /lib/locationWrapper.dart: -------------------------------------------------------------------------------- 1 | import 'package:location/location.dart'; 2 | 3 | class LocationWrapper { 4 | 5 | var location = new Location(); 6 | final Function(LocationData) onLocationChanged; 7 | 8 | LocationWrapper(this.onLocationChanged); 9 | 10 | void prepareLocationMonitoring() { 11 | location.hasPermission().then((bool hasPermission) { 12 | if (!hasPermission) { 13 | location.requestPermission().then((bool permissionGranted) { 14 | if (permissionGranted) { 15 | _subscribeToLocation(); 16 | } 17 | }); 18 | } else { 19 | _subscribeToLocation(); 20 | } 21 | }); 22 | } 23 | 24 | void _subscribeToLocation() { 25 | location.onLocationChanged().listen((LocationData newLocation) { 26 | onLocationChanged(newLocation); 27 | }); 28 | } 29 | 30 | } -------------------------------------------------------------------------------- /lib/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_mqtt_location_example/locationWrapper.dart'; 3 | import 'package:flutter_mqtt_location_example/mqttClientWrapper.dart'; 4 | import 'package:flutter_mqtt_location_example/models.dart'; 5 | import 'package:google_maps_flutter/google_maps_flutter.dart'; 6 | import 'package:location/location.dart'; 7 | import 'package:flutter_mqtt_location_example/constants.dart' as Constants; 8 | 9 | void main() => runApp(MyApp()); 10 | 11 | class MyApp extends StatelessWidget { 12 | @override 13 | Widget build(BuildContext context) { 14 | return MaterialApp( 15 | title: 'Flutter MQTT Location Demo', 16 | theme: ThemeData( 17 | primarySwatch: Colors.blue, 18 | ), 19 | home: MyHomePage(title: 'Flutter MQTT Location'), 20 | ); 21 | } 22 | } 23 | 24 | class MyHomePage extends StatefulWidget { 25 | MyHomePage({Key key, this.title}) : super(key: key); 26 | 27 | final String title; 28 | 29 | @override 30 | _MyHomePageState createState() => _MyHomePageState(); 31 | } 32 | 33 | class _MyHomePageState extends State { 34 | 35 | MQTTClientWrapper mqttClientWrapper; 36 | LocationWrapper locationWrapper; 37 | 38 | LocationData currentLocation; 39 | 40 | GoogleMapController _controller; 41 | 42 | void setup() { 43 | locationWrapper = LocationWrapper((newLocation) => mqttClientWrapper.publishLocation(newLocation)); 44 | mqttClientWrapper = MQTTClientWrapper( 45 | () => locationWrapper.prepareLocationMonitoring(), 46 | (newLocationJson) => gotNewLocation(newLocationJson) 47 | ); 48 | mqttClientWrapper.prepareMqttClient(); 49 | } 50 | 51 | void gotNewLocation(LocationData newLocationData) { 52 | setState(() { 53 | this.currentLocation = newLocationData; 54 | }); 55 | animateCameraToNewLocation(newLocationData); 56 | } 57 | 58 | void animateCameraToNewLocation(LocationData newLocation) { 59 | _controller?.animateCamera(CameraUpdate.newCameraPosition(CameraPosition( 60 | target: LatLng( 61 | newLocation.latitude, 62 | newLocation.longitude 63 | ), 64 | zoom: Constants.newZoom 65 | ))); 66 | } 67 | 68 | @override 69 | void initState() { 70 | super.initState(); 71 | 72 | setup(); 73 | } 74 | 75 | @override 76 | Widget build(BuildContext context) { 77 | return Scaffold( 78 | appBar: AppBar( 79 | title: Text(widget.title), 80 | ), 81 | body: mqttClientWrapper.connectionState != MqttCurrentConnectionState.CONNECTED ? 82 | Center( 83 | child: Column( 84 | mainAxisAlignment: MainAxisAlignment.center, 85 | crossAxisAlignment: CrossAxisAlignment.center, 86 | children: [ 87 | Text("CONNECTING TO MQTT..."), 88 | Padding( 89 | padding: const EdgeInsets.only(top: 8.0), 90 | child: CircularProgressIndicator(), 91 | ), 92 | ], 93 | ), 94 | ) : 95 | GoogleMap( 96 | initialCameraPosition: CameraPosition( 97 | target: LatLng(Constants.defaultLocation.latitude, Constants.defaultLocation.longitude), 98 | zoom: Constants.defaultZoom 99 | ), 100 | markers: currentLocation == null ? Set() : [ 101 | Marker( 102 | markerId: MarkerId(Constants.defaultMarkerId), 103 | position: LatLng(currentLocation.latitude, currentLocation.longitude) 104 | ) 105 | ].toSet(), 106 | onMapCreated: (GoogleMapController controller) { 107 | setState(() { 108 | this._controller = controller; 109 | }); 110 | }, 111 | ), 112 | ); 113 | } 114 | } -------------------------------------------------------------------------------- /lib/models.dart: -------------------------------------------------------------------------------- 1 | enum MqttCurrentConnectionState { 2 | IDLE, 3 | CONNECTING, 4 | CONNECTED, 5 | DISCONNECTED, 6 | ERROR_WHEN_CONNECTING 7 | } 8 | 9 | enum MqttSubscriptionState { 10 | IDLE, 11 | SUBSCRIBED 12 | } -------------------------------------------------------------------------------- /lib/mqttClientWrapper.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_mqtt_location_example/converter.dart'; 3 | import 'package:flutter_mqtt_location_example/constants.dart' as Constants; 4 | import 'package:location/location.dart'; 5 | import 'package:mqtt_client/mqtt_client.dart'; 6 | 7 | import 'models.dart'; 8 | 9 | class MQTTClientWrapper { 10 | 11 | MqttClient client; 12 | LocationToJsonConverter locationToJsonConverter = LocationToJsonConverter(); 13 | JsonToLocationConverter jsonToLocationConverter = JsonToLocationConverter(); 14 | 15 | MqttCurrentConnectionState connectionState = MqttCurrentConnectionState.IDLE; 16 | MqttSubscriptionState subscriptionState = MqttSubscriptionState.IDLE; 17 | 18 | final VoidCallback onConnectedCallback; 19 | final Function(LocationData) onLocationReceivedCallback; 20 | 21 | MQTTClientWrapper(this.onConnectedCallback, this.onLocationReceivedCallback); 22 | 23 | void prepareMqttClient() async { 24 | _setupMqttClient(); 25 | await _connectClient(); 26 | _subscribeToTopic(Constants.topicName); 27 | } 28 | 29 | void publishLocation(LocationData locationData) { 30 | String locationJson = locationToJsonConverter.convert(locationData); 31 | _publishMessage(locationJson); 32 | } 33 | 34 | Future _connectClient() async { 35 | try { 36 | print('MQTTClientWrapper::Mosquitto client connecting....'); 37 | connectionState = MqttCurrentConnectionState.CONNECTING; 38 | await client.connect(); 39 | } on Exception catch (e) { 40 | print('MQTTClientWrapper::client exception - $e'); 41 | connectionState = MqttCurrentConnectionState.ERROR_WHEN_CONNECTING; 42 | client.disconnect(); 43 | } 44 | 45 | if (client.connectionStatus.state == MqttConnectionState.connected) { 46 | connectionState = MqttCurrentConnectionState.CONNECTED; 47 | print('MQTTClientWrapper::Mosquitto client connected'); 48 | } else { 49 | print( 50 | 'MQTTClientWrapper::ERROR Mosquitto client connection failed - disconnecting, status is ${client.connectionStatus}'); 51 | connectionState = MqttCurrentConnectionState.ERROR_WHEN_CONNECTING; 52 | client.disconnect(); 53 | } 54 | } 55 | 56 | void _setupMqttClient() { 57 | client = MqttClient.withPort(Constants.serverUri, '#', Constants.port); 58 | client.logging(on: false); 59 | client.keepAlivePeriod = 20; 60 | client.onDisconnected = _onDisconnected; 61 | client.onConnected = _onConnected; 62 | client.onSubscribed = _onSubscribed; 63 | } 64 | 65 | void _subscribeToTopic(String topicName) { 66 | print('MQTTClientWrapper::Subscribing to the $topicName topic'); 67 | client.subscribe(topicName, MqttQos.atMostOnce); 68 | 69 | client.updates.listen((List> c) { 70 | final MqttPublishMessage recMess = c[0].payload; 71 | final String newLocationJson = 72 | MqttPublishPayload.bytesToStringAsString(recMess.payload.message); 73 | 74 | print("MQTTClientWrapper::GOT A NEW MESSAGE $newLocationJson"); 75 | LocationData newLocationData = _convertJsonToLocation(newLocationJson); 76 | if (newLocationData != null) onLocationReceivedCallback(newLocationData); 77 | }); 78 | } 79 | 80 | LocationData _convertJsonToLocation(String newLocationJson) { 81 | try { 82 | return jsonToLocationConverter.convert( 83 | newLocationJson); 84 | } catch (exception) { 85 | print("Json can't be formatted ${exception.toString()}"); 86 | } 87 | return null; 88 | } 89 | 90 | void _publishMessage(String message) { 91 | final MqttClientPayloadBuilder builder = MqttClientPayloadBuilder(); 92 | builder.addString(message); 93 | 94 | print('MQTTClientWrapper::Publishing message $message to topic ${Constants.topicName}'); 95 | client.publishMessage(Constants.topicName, MqttQos.exactlyOnce, builder.payload); 96 | } 97 | 98 | void _onSubscribed(String topic) { 99 | print('MQTTClientWrapper::Subscription confirmed for topic $topic'); 100 | subscriptionState = MqttSubscriptionState.SUBSCRIBED; 101 | } 102 | 103 | void _onDisconnected() { 104 | print('MQTTClientWrapper::OnDisconnected client callback - Client disconnection'); 105 | if (client.connectionStatus.returnCode == MqttConnectReturnCode.solicited) { 106 | print('MQTTClientWrapper::OnDisconnected callback is solicited, this is correct'); 107 | } 108 | connectionState = MqttCurrentConnectionState.DISCONNECTED; 109 | } 110 | 111 | void _onConnected() { 112 | connectionState = MqttCurrentConnectionState.CONNECTED; 113 | print( 114 | 'MQTTClientWrapper::OnConnected client callback - Client connection was sucessful'); 115 | onConnectedCallback(); 116 | } 117 | 118 | } -------------------------------------------------------------------------------- /pubspec.lock: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | async: 5 | dependency: transitive 6 | description: 7 | name: async 8 | url: "https://pub.dartlang.org" 9 | source: hosted 10 | version: "2.3.0" 11 | boolean_selector: 12 | dependency: transitive 13 | description: 14 | name: boolean_selector 15 | url: "https://pub.dartlang.org" 16 | source: hosted 17 | version: "1.0.5" 18 | charcode: 19 | dependency: transitive 20 | description: 21 | name: charcode 22 | url: "https://pub.dartlang.org" 23 | source: hosted 24 | version: "1.1.2" 25 | collection: 26 | dependency: transitive 27 | description: 28 | name: collection 29 | url: "https://pub.dartlang.org" 30 | source: hosted 31 | version: "1.14.11" 32 | convert: 33 | dependency: transitive 34 | description: 35 | name: convert 36 | url: "https://pub.dartlang.org" 37 | source: hosted 38 | version: "2.1.1" 39 | crypto: 40 | dependency: transitive 41 | description: 42 | name: crypto 43 | url: "https://pub.dartlang.org" 44 | source: hosted 45 | version: "2.1.4" 46 | cupertino_icons: 47 | dependency: "direct main" 48 | description: 49 | name: cupertino_icons 50 | url: "https://pub.dartlang.org" 51 | source: hosted 52 | version: "0.1.3" 53 | event_bus: 54 | dependency: transitive 55 | description: 56 | name: event_bus 57 | url: "https://pub.dartlang.org" 58 | source: hosted 59 | version: "1.1.0" 60 | flutter: 61 | dependency: "direct main" 62 | description: flutter 63 | source: sdk 64 | version: "0.0.0" 65 | flutter_test: 66 | dependency: "direct dev" 67 | description: flutter 68 | source: sdk 69 | version: "0.0.0" 70 | google_maps_flutter: 71 | dependency: "direct main" 72 | description: 73 | name: google_maps_flutter 74 | url: "https://pub.dartlang.org" 75 | source: hosted 76 | version: "0.5.21+14" 77 | location: 78 | dependency: "direct main" 79 | description: 80 | name: location 81 | url: "https://pub.dartlang.org" 82 | source: hosted 83 | version: "2.3.5" 84 | matcher: 85 | dependency: transitive 86 | description: 87 | name: matcher 88 | url: "https://pub.dartlang.org" 89 | source: hosted 90 | version: "0.12.5" 91 | meta: 92 | dependency: "direct overridden" 93 | description: 94 | name: meta 95 | url: "https://pub.dartlang.org" 96 | source: hosted 97 | version: "1.1.8" 98 | mqtt_client: 99 | dependency: "direct main" 100 | description: 101 | name: mqtt_client 102 | url: "https://pub.dartlang.org" 103 | source: hosted 104 | version: "5.6.2" 105 | path: 106 | dependency: transitive 107 | description: 108 | name: path 109 | url: "https://pub.dartlang.org" 110 | source: hosted 111 | version: "1.6.4" 112 | pedantic: 113 | dependency: transitive 114 | description: 115 | name: pedantic 116 | url: "https://pub.dartlang.org" 117 | source: hosted 118 | version: "1.8.0+1" 119 | quiver: 120 | dependency: transitive 121 | description: 122 | name: quiver 123 | url: "https://pub.dartlang.org" 124 | source: hosted 125 | version: "2.0.5" 126 | sky_engine: 127 | dependency: transitive 128 | description: flutter 129 | source: sdk 130 | version: "0.0.99" 131 | source_span: 132 | dependency: transitive 133 | description: 134 | name: source_span 135 | url: "https://pub.dartlang.org" 136 | source: hosted 137 | version: "1.5.5" 138 | stack_trace: 139 | dependency: transitive 140 | description: 141 | name: stack_trace 142 | url: "https://pub.dartlang.org" 143 | source: hosted 144 | version: "1.9.3" 145 | stream_channel: 146 | dependency: transitive 147 | description: 148 | name: stream_channel 149 | url: "https://pub.dartlang.org" 150 | source: hosted 151 | version: "2.0.0" 152 | string_scanner: 153 | dependency: transitive 154 | description: 155 | name: string_scanner 156 | url: "https://pub.dartlang.org" 157 | source: hosted 158 | version: "1.0.5" 159 | term_glyph: 160 | dependency: transitive 161 | description: 162 | name: term_glyph 163 | url: "https://pub.dartlang.org" 164 | source: hosted 165 | version: "1.1.0" 166 | test_api: 167 | dependency: transitive 168 | description: 169 | name: test_api 170 | url: "https://pub.dartlang.org" 171 | source: hosted 172 | version: "0.2.5" 173 | typed_data: 174 | dependency: transitive 175 | description: 176 | name: typed_data 177 | url: "https://pub.dartlang.org" 178 | source: hosted 179 | version: "1.1.6" 180 | vector_math: 181 | dependency: transitive 182 | description: 183 | name: vector_math 184 | url: "https://pub.dartlang.org" 185 | source: hosted 186 | version: "2.0.8" 187 | sdks: 188 | dart: ">=2.2.2 <3.0.0" 189 | flutter: ">=1.5.0 <2.0.0" 190 | -------------------------------------------------------------------------------- /pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: flutter_mqtt_location_example 2 | description: A new Flutter application implementing location sharing with MQTT as a communication protocol. 3 | 4 | version: 1.0.0+1 5 | 6 | environment: 7 | sdk: ">=2.1.0 <3.0.0" 8 | 9 | dependencies: 10 | flutter: 11 | sdk: flutter 12 | mqtt_client: ^5.6.2 13 | location: ^2.3.5 14 | google_maps_flutter: ^0.5.21+14 15 | 16 | cupertino_icons: ^0.1.2 17 | 18 | dev_dependencies: 19 | flutter_test: 20 | sdk: flutter 21 | 22 | dependency_overrides: 23 | meta: ^1.1.8 24 | 25 | 26 | flutter: 27 | 28 | uses-material-design: true 29 | -------------------------------------------------------------------------------- /res/values/strings_en.arb: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/blackmenthor/flutter-mqtt-location-example/1fac0362e28225ea127a2141c38e3f7c7ff26d9e/res/values/strings_en.arb -------------------------------------------------------------------------------- /test/widget_test.dart: -------------------------------------------------------------------------------- 1 | // This is a basic Flutter widget test. 2 | // 3 | // To perform an interaction with a widget in your test, use the WidgetTester 4 | // utility that Flutter provides. For example, you can send tap and scroll 5 | // gestures. You can also use WidgetTester to find child widgets in the widget 6 | // tree, read text, and verify that the values of widget properties are correct. 7 | 8 | import 'package:flutter/material.dart'; 9 | import 'package:flutter_test/flutter_test.dart'; 10 | 11 | import 'package:flutter_mqtt_location_example/main.dart'; 12 | 13 | void main() { 14 | testWidgets('Counter increments smoke test', (WidgetTester tester) async { 15 | // Build our app and trigger a frame. 16 | await tester.pumpWidget(MyApp()); 17 | 18 | // Verify that our counter starts at 0. 19 | expect(find.text('0'), findsOneWidget); 20 | expect(find.text('1'), findsNothing); 21 | 22 | // Tap the '+' icon and trigger a frame. 23 | await tester.tap(find.byIcon(Icons.add)); 24 | await tester.pump(); 25 | 26 | // Verify that our counter has incremented. 27 | expect(find.text('0'), findsNothing); 28 | expect(find.text('1'), findsOneWidget); 29 | }); 30 | } 31 | --------------------------------------------------------------------------------