Migrate to Android X

Update some Dependencies
Logo Added
Start and Stop Tracking Button
Optimize Code
Stable Version

android/app/build.gradle

@@ -44,7 +44,7 @@ android {
         targetSdkVersion 28
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
@@ -64,8 +64,8 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation 'com.google.firebase:firebase-analytics:17.2.0'
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'
 }
 
 apply plugin: 'com.google.gms.google-services'

android/app/src/main/AndroidManifest.xml

@@ -12,11 +12,11 @@
     <application
         android:name="io.flutter.app.FlutterApplication"
         android:icon="@mipmap/ic_launcher"
-        android:label="Geo Smart App"
+        android:label="@string/app_name"
         android:usesCleartextTraffic="true">
         <meta-data
             android:name="com.google.android.geo.API_KEY"
-            android:value="AIzaSyCjhBV5aq1gsTCYsr6QCCxYusFlBa3DEMs" />
+            android:value="@string/api_key" />
         <activity
             android:name=".MainActivity"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"

android/app/src/main/res/values/strings.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">Geo Smart App</string>
+    <string name="api_key">AIzaSyCjhBV5aq1gsTCYsr6QCCxYusFlBa3DEMs</string>
+</resources>

android/gradle.properties

@@ -1,3 +1,5 @@
 org.gradle.jvmargs=-Xmx1536M
 
 android.enableR8=true
+android.useAndroidX=true
+android.enableJetifier=true

lib/bloc/setting.dart

@@ -27,6 +27,7 @@ class SettingBloc {
     SharedPreferences sharedPreferences = await this.getSharedPreferences();
     _subject.sink.add(new SettingModel(
       sharedPreferences.getString(_host),
+      sharedPreferences.getString(_id),
     ));
   }
 

lib/config.dart

@@ -1,3 +1,4 @@
 class Config {
-  static const String api = "http://192.168.1.6:8080";
+  static const String api = "http://192.168.1.7:8080";
+  static const bool dynamicHostSetting = false;
 }

lib/main.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:geo_app/page/startup.dart';
 
 void main() => runApp(MyApp());
@@ -6,6 +7,7 @@ void main() => runApp(MyApp());
 class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
+    SystemChrome.setEnabledSystemUIOverlays([]);
     return MaterialApp(
       title: 'Geo Smart App',
       theme: ThemeData(

lib/model/response.dart

@@ -7,6 +7,10 @@ class ResponseModel {
     status = json['status'];
   }
 
+  ResponseModel.fromNull() {
+    status = "Error";
+  }
+
   Map<String, dynamic> toJson() {
     final Map<String, dynamic> data = new Map<String, dynamic>();
     data['status'] = this.status;

lib/model/setting.dart

@@ -2,5 +2,19 @@ class SettingModel {
   String host = "";
   String id = "";
 
-  SettingModel(this.host);
+  SettingModel(this.host, this.id);
+
+  bool isNullHost() {
+    return (this.host == "" || this.host == null);
+  }
+
+  bool isNullId() {
+    return (this.id == "" || this.id == null);
+  }
+
+  bool isNullHostId(String operator) {
+    return (operator == "and")
+        ? isNullHost() && isNullId()
+        : isNullHost() || isNullId();
+  }
 }

lib/page/map.dart

@@ -5,9 +5,8 @@ import 'package:flutter/material.dart';
 import 'package:geo_app/bloc/position_bloc.dart';
 import 'package:geo_app/bloc/setting.dart';
 import 'package:geo_app/model/position.dart';
+import 'package:geo_app/page/setting.dart';
 import 'package:google_maps_flutter/google_maps_flutter.dart';
-import 'package:flutter_background_geolocation/flutter_background_geolocation.dart'
-    as bg;
 
 class Map extends StatefulWidget {
   Map({Key key, this.title}) : super(key: key);
@@ -33,10 +32,23 @@ class _MapState extends State<Map> {
   String id;
   String host;
 
+  bool isGranted = false;
+  bool isTracking = false;
+
   @override
   void initState() {
-    BackgroundLocation.startLocationService();
     super.initState();
+    BackgroundLocation.checkPermissions();
+    BackgroundLocation.getPermissions(
+      onDenied: () {
+        isGranted = false;
+        print("Denied");
+      },
+      onGranted: () {
+        isGranted = true;
+        print("Granted");
+      },
+    );
     _settingBloc = new SettingBloc();
 
     _settingBloc.getSetting();
@@ -45,31 +57,27 @@ class _MapState extends State<Map> {
       this.id = settingModel.id;
       this.host = settingModel.host;
 
+      if (settingModel.isNullId()) {
+        Navigator.of(context).pushReplacement(new MaterialPageRoute(
+          builder: (BuildContext context) => Setting(),
+        ));
+      }
+
       if (this.host != null && this.host != "") {
         setState(() {
           _positionBloc = new PositionBloc(settingModel);
         });
       }
     });
-    bg.BackgroundGeolocation.onLocation((bg.Location location) {
+
-      print('[location] - $location');
-    });
-    bg.BackgroundGeolocation.ready(
-      bg.Config(
-          desiredAccuracy: bg.Config.DESIRED_ACCURACY_HIGH,
-          distanceFilter: 10.0,
-          stopOnTerminate: false,
-          startOnBoot: true,
-          debug: true,
-          logLevel: bg.Config.LOG_LEVEL_VERBOSE),
-    ).then((bg.State state) {
-      if (!state.enabled) {
-        bg.BackgroundGeolocation.start();
-      }
-    });
     BackgroundLocation.getLocationUpdates((location) async {
-      print("Location Update");
+      if (!isTracking) {
-      setState(() {
+        this.isTracking = true;
+      }
+      if (!isGranted) {
+        this.isGranted = true;
+      }
+      print("Location Updated");
       this.latitude = location.latitude;
       this.longitude = location.longitude;
       this.accuracy = location.accuracy;
@@ -77,20 +85,38 @@ class _MapState extends State<Map> {
       this.bearing = location.bearing;
       this.speed = location.speed;
 
+      if (this.id != null) {
+        this._position = Position(
+          id: this.id,
+          lat: this.latitude.toString(),
+          lng: this.longitude.toString(),
+          type: "user",
+        );
+      } else {
+        BackgroundLocation.stopLocationService();
+        Navigator.of(context).pushReplacement(new MaterialPageRoute(
+          builder: (BuildContext context) => Setting(),
+        ));
+      }
+
       if (this._position != null) {
         if (this._position.isValid()) {
-            print("VALID");
+          print("Valid Position");
           if (_positionBloc != null) {
-              print("SEND");
+            print("Send Position " +
+                this._position.lat.toString() +
+                ", " +
+                this._position.lng.toString());
             _positionBloc.sendPosition(
               this._position.lat.toString(),
               this._position.lng.toString(),
             );
           }
+        } else {
+          print("Invalid Position");
         }
       }
     });
-    });
   }
 
   static final CameraPosition _kGooglePlex = CameraPosition(
@@ -110,17 +136,51 @@ class _MapState extends State<Map> {
             myLocationButtonEnabled: true,
             onMapCreated: (GoogleMapController controller) {
               _controller.complete(controller);
-              print("Map Created");
             },
           ),
+          Container(
+            child: Image.asset("assets/images/logo.png"),
+            width: 70,
+            height: 70,
+            alignment: Alignment.topLeft,
+            margin: EdgeInsets.only(left: 10.0),
+          ),
+          Container(
+            child: FlatButton(
+              color: (isTracking) ? Colors.redAccent : Colors.green,
+              onPressed: toggleTracking,
+              child: Text(
+                (isTracking) ? "Stop Tracking" : "Start Tracking",
+                style: TextStyle(color: Colors.white),
+              ),
+            ),
+            margin: EdgeInsets.only(bottom: 50.0),
+            alignment: Alignment.bottomCenter,
+          )
         ],
       ),
     );
   }
 
+  toggleTracking() {
+    if (isGranted) {
+      if (isTracking) {
+        BackgroundLocation.stopLocationService();
+      } else {
+        BackgroundLocation.startLocationService();
+      }
+      setState(() {
+        isTracking = !isTracking;
+      });
+    } else {
+      print("Access Denied");
+    }
+  }
+
   @override
   void dispose() {
-    BackgroundLocation.stopLocationService();
+    print("Disposed");
     super.dispose();
+    BackgroundLocation.stopLocationService();
   }
 }

lib/page/setting.dart

@@ -2,6 +2,7 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:geo_app/bloc/setting.dart';
 import 'package:geo_app/bloc/unique_id_bloc.dart';
+import 'package:geo_app/config.dart';
 import 'package:geo_app/model/setting.dart';
 import 'package:geo_app/page/map.dart';
 
@@ -25,23 +26,39 @@ class _SettingState extends State<Setting> {
 
     _settingBloc.getSetting();
 
+    if (!Config.dynamicHostSetting) {
+      _settingBloc.setSetting(new SettingModel(Config.api, null));
+    }
+
     _settingBloc.subject.listen((settingModel) {
+      if (!settingModel.isNullId()) {
         this.id = settingModel.id;
+      }
+      if (!settingModel.isNullHost()) {
         this.host = settingModel.host;
+      }
 
       _hostController.text = this.host;
 
-      if (this.host != null && this.host != "") {
+      if (settingModel.isNullId()) {
+        print("Requesting Unique ID");
         _uniqueIDBloc = new UniqueIDBloc(settingModel);
         _uniqueIDBloc.getUniqueID();
       }
 
       if (_uniqueIDBloc != null) {
         this._uniqueIDBloc.subject.listen((uniqueId) {
+          print("Your Unique ID " + uniqueId.id.toString());
           if (uniqueId.id != null && uniqueId.id != "") {
+            if (!settingModel.isNullId()) {
               Navigator.of(context).pushReplacement(new MaterialPageRoute(
                 builder: (BuildContext context) => Map(),
               ));
+            } else {
+              this._settingBloc.setSetting(
+                    new SettingModel(this._hostController.text, uniqueId.id),
+                  );
+            }
           }
         });
       }
@@ -78,7 +95,7 @@ class _SettingState extends State<Setting> {
                 FlatButton(
                   onPressed: () {
                     this._settingBloc.setSetting(
-                          new SettingModel(this._hostController.text),
+                          new SettingModel(this._hostController.text, null),
                         );
                   },
                   child: Text("Save"),

lib/page/startup.dart

@@ -2,8 +2,8 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:geo_app/bloc/setting.dart';
 import 'package:geo_app/component/loader.dart';
-import 'package:geo_app/page/setting.dart';
 import 'package:geo_app/page/map.dart';
+import 'package:geo_app/page/setting.dart';
 
 class Startup extends StatefulWidget {
   @override
@@ -22,8 +22,7 @@ class _StartupState extends State<Startup> {
     _settingBloc.getSetting();
 
     _settingBloc.subject.listen((settingModel) {
-      if ((settingModel.host == "" || settingModel.host == null) &&
+      if (settingModel.isNullHost() && settingModel.isNullId()) {
-          (settingModel.id == "" || settingModel.id == null)) {
         Navigator.of(context).pushReplacement(new MaterialPageRoute(
           builder: (BuildContext context) => Setting(),
         ));

lib/provider/position_provider.dart

@@ -23,6 +23,7 @@ class PositionProvider {
       );
       return ResponseModel.fromJson(response.data);
     } on DioError catch (e) {
+      print(e);
       return ResponseModel.fromJson(e.response.data);
     }
   }

pubspec.lock

@@ -1,6 +1,13 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  _fe_analyzer_shared:
+    dependency: transitive
+    description:
+      name: _fe_analyzer_shared
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
   adhara_socket_io:
     dependency: "direct main"
     description:
@@ -14,7 +21,7 @@ packages:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.38.5"
+    version: "0.39.2+1"
   archive:
     dependency: transitive
     description:
@@ -36,13 +43,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.4.0"
-  background_fetch:
-    dependency: transitive
-    description:
-      name: background_fetch
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.3.2"
   background_location:
     dependency: "direct main"
     description:
@@ -133,19 +133,12 @@ packages:
       name: dio
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.7"
+    version: "3.0.8"
   flutter:
     dependency: "direct main"
     description: flutter
     source: sdk
     version: "0.0.0"
-  flutter_background_geolocation:
-    dependency: "direct main"
-    description:
-      name: flutter_background_geolocation
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.4.5"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -156,13 +149,6 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  front_end:
-    dependency: transitive
-    description:
-      name: front_end
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.1.27"
   glob:
     dependency: transitive
     description:
@@ -190,7 +176,7 @@ packages:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.0+2"
+    version: "0.12.0+3"
   http_parser:
     dependency: transitive
     description:
@@ -218,21 +204,14 @@ packages:
       name: json_annotation
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.0"
+    version: "3.0.1"
   json_serializable:
     dependency: "direct main"
     description:
       name: json_serializable
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.2.3"
+    version: "3.2.5"
-  kernel:
-    dependency: transitive
-    description:
-      name: kernel
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.3.27"
   logging:
     dependency: transitive
     description:
@@ -370,7 +349,7 @@ packages:
       name: source_gen
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.9.4+6"
+    version: "0.9.4+7"
   source_span:
     dependency: transitive
     description:

pubspec.yaml

@@ -23,15 +23,14 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^0.1.2
-  google_maps_flutter: ^0.5.21+8
+  google_maps_flutter: ^0.5.21+15
-  background_location: ^0.0.9+1
+  background_location: ^0.0.9
   adhara_socket_io: ^0.4.1
   http: ^0.12.0+2
   json_serializable: ^3.2.3
-  shared_preferences: ^0.5.4+3
+  shared_preferences: ^0.5.6
   rxdart: ^0.23.1
   dio: ^3.0.7
-  flutter_background_geolocation: ^1.4.5
 
 dev_dependencies:
   flutter_test:
@@ -52,6 +51,7 @@ flutter:
   # To add assets to your application, add an assets section, like this:
   assets:
     - assets/images/server.png
+    - assets/images/logo.png
 
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/assets-and-images/#resolution-aware.