From f59d7118ed950765c85a305608884d80b73b4887 Mon Sep 17 00:00:00 2001
From: Ben Goldsworthy <b.r.goldsworthy@lancaster.ac.uk>
Date: Wed, 14 Oct 2020 13:43:09 +0100
Subject: [PATCH] Add Firebase messaging (Android-only, foreground-only)

---
 android/app/build.gradle                      |   5 +-
 android/app/src/main/AndroidManifest.xml      |   1 +
 .../co/localspend/localspend/Application.java |  21 +++
 android/build.gradle                          |   3 +-
 .../gradle/wrapper/gradle-wrapper.properties  |   2 +-
 lib/env/dev.json                              |   4 +-
 lib/main.dart                                 |  37 +++--
 pubspec.lock                                  | 138 +++++++++++++-----
 pubspec.yaml                                  |   1 +
 9 files changed, 164 insertions(+), 48 deletions(-)
 create mode 100644 android/app/src/main/java/uk/co/localspend/localspend/Application.java

diff --git a/android/app/build.gradle b/android/app/build.gradle
index 865c574..09054d7 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -8,7 +8,7 @@ if (localPropertiesFile.exists()) {
 
 def flutterRoot = localProperties.getProperty('flutter.sdk')
 if (flutterRoot == null) {
-    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+    throw GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
 }
 
 def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
@@ -58,4 +58,7 @@ dependencies {
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    implementation 'com.google.firebase:firebase-messaging:20.3.0'
 }
+
+apply plugin: 'com.google.gms.google-services'
\ No newline at end of file
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 53c13db..deba7d1 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -14,6 +14,7 @@
          FlutterApplication and put your custom class here. -->
     <application
         android:label="SpendTracker"
+        android:name=".Application"
         android:icon="@mipmap/ic_launcher">
 
         <meta-data
diff --git a/android/app/src/main/java/uk/co/localspend/localspend/Application.java b/android/app/src/main/java/uk/co/localspend/localspend/Application.java
new file mode 100644
index 0000000..54f3e80
--- /dev/null
+++ b/android/app/src/main/java/uk/co/localspend/localspend/Application.java
@@ -0,0 +1,21 @@
+package uk.co.localspend.localspend;
+
+import io.flutter.app.FlutterApplication;
+import io.flutter.plugin.common.PluginRegistry;
+import io.flutter.plugin.common.PluginRegistry.PluginRegistrantCallback;
+import io.flutter.plugins.GeneratedPluginRegistrant;
+import io.flutter.plugins.firebasemessaging.FlutterFirebaseMessagingService;
+import io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin;
+
+public class Application extends FlutterApplication implements PluginRegistrantCallback {
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        FlutterFirebaseMessagingService.setPluginRegistrant(this);
+    }
+
+    @Override
+    public void registerWith(PluginRegistry registry) {
+        FirebaseMessagingPlugin.registerWith(registry.registrarFor("io.flutter.plugins.firebasemessaging.FirebaseMessagingPlugin"));
+    }
+}
\ No newline at end of file
diff --git a/android/build.gradle b/android/build.gradle
index f44bb13..ba7f2a6 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -5,7 +5,8 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.0'
+        classpath 'com.android.tools.build:gradle:4.0.1'
+        classpath 'com.google.gms:google-services:4.3.4'
     }
 }
 
diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties
index 2819f02..493072b 100644
--- a/android/gradle/wrapper/gradle-wrapper.properties
+++ b/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
diff --git a/lib/env/dev.json b/lib/env/dev.json
index b2a9044..1b6beec 100644
--- a/lib/env/dev.json
+++ b/lib/env/dev.json
@@ -1,5 +1,5 @@
 {
   "env": "DEV",
   "production": false,
-  "apiUrl": "https://dev.localspend.co.uk/api"
-}
\ No newline at end of file
+  "apiUrl": "https://localhost:/api"
+}
diff --git a/lib/main.dart b/lib/main.dart
index 309d5ea..4aa66b9 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -7,9 +7,12 @@ import 'package:local_spend/pages/spash_screen.dart';
 import 'package:local_spend/pages/more_page.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:local_spend/common/apifunctions/get_graph_data.dart';
+import 'package:firebase_messaging/firebase_messaging.dart';
 
 void main() {
-  runApp(MyApp());
+  runApp(
+      MyApp()
+  );
 }
 
 void loadGraphs() {}
@@ -22,27 +25,43 @@ class GraphWithTitle {
 }
 
 class MyApp extends StatelessWidget {
+  final FirebaseMessaging _firebaseMessaging = FirebaseMessaging();
   @override
   Widget build(BuildContext context) {
     // TODO: load graphs on app login and send to graph widgets
 
-    return new MaterialApp(
+    _firebaseMessaging.configure(
+      onMessage: (Map<String, dynamic> message) async {
+        print('onMessage: $message');
+      },
+      onLaunch: (Map<String, dynamic> message) async {
+        print('onLaunch: $message');
+      },
+      onResume: (Map<String, dynamic> message) async {
+        print('onResume: $message');
+      },
+    );
+
+    // Required on iOS; non-op on Android.
+    _firebaseMessaging.requestNotificationPermissions();
+
+    return MaterialApp(
       debugShowCheckedModeBanner: false,
       localizationsDelegates: [
         GlobalMaterialLocalizations.delegate,
         GlobalWidgetsLocalizations.delegate,
       ],
-      supportedLocales: [Locale("en")],
-      title: "Local Spend Tracker",
-      theme: new ThemeData(
+      supportedLocales: [Locale('en')],
+      title: 'Local Spend Tracker',
+      theme: ThemeData(
         primarySwatch: Colors.blueGrey,
       ),
       routes: <String, WidgetBuilder>{
-        "/HomePage": (BuildContext context) => HomePage(),
-        "/LoginPage": (BuildContext context) => LoginPage(),
+        '/HomePage': (BuildContext context) => HomePage(),
+        '/LoginPage': (BuildContext context) => LoginPage(),
         '/MapPage': (BuildContext context) => MapPage(),
-        "/ReceiptPage": (BuildContext context) => ReceiptPage2(),
-        "/MorePage": (BuildContext context) => MorePage(),
+        '/ReceiptPage': (BuildContext context) => ReceiptPage2(),
+        '/MorePage': (BuildContext context) => MorePage(),
       },
       home: SplashScreen(),
     );
diff --git a/pubspec.lock b/pubspec.lock
index 0b7ae06..d772738 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -14,7 +14,7 @@ packages:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.39.15"
+    version: "0.39.14"
   args:
     dependency: transitive
     description:
@@ -63,21 +63,21 @@ packages:
       name: build_resolvers
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.10"
+    version: "1.3.11"
   build_runner:
     dependency: "direct dev"
     description:
       name: build_runner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.10.0"
+    version: "1.10.1"
   build_runner_core:
     dependency: transitive
     description:
       name: build_runner_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.2.0"
+    version: "6.0.1"
   built_collection:
     dependency: transitive
     description:
@@ -147,7 +147,7 @@ packages:
       name: code_builder
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.4.0"
+    version: "3.5.0"
   collection:
     dependency: transitive
     description:
@@ -204,6 +204,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.0"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3"
   file:
     dependency: transitive
     description:
@@ -211,6 +218,41 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "5.2.1"
+  firebase:
+    dependency: transitive
+    description:
+      name: firebase
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "7.3.0"
+  firebase_core:
+    dependency: transitive
+    description:
+      name: firebase_core
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.5.0+1"
+  firebase_core_platform_interface:
+    dependency: transitive
+    description:
+      name: firebase_core_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
+  firebase_core_web:
+    dependency: transitive
+    description:
+      name: firebase_core_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.0"
+  firebase_messaging:
+    dependency: "direct main"
+    description:
+      name: firebase_messaging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "7.0.3"
   fixnum:
     dependency: transitive
     description:
@@ -248,7 +290,7 @@ packages:
       name: flutter_plugin_android_lifecycle
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.8"
+    version: "1.0.11"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -272,14 +314,14 @@ packages:
       name: google_maps_flutter
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.28+1"
+    version: "0.5.33"
   google_maps_flutter_platform_interface:
     dependency: transitive
     description:
       name: google_maps_flutter_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.4"
   graphs:
     dependency: transitive
     description:
@@ -293,7 +335,7 @@ packages:
       name: html
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.14.0+3"
+    version: "0.14.0+4"
   http:
     dependency: "direct main"
     description:
@@ -342,14 +384,14 @@ packages:
       name: json_annotation
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.1"
+    version: "3.1.0"
   json_serializable:
     dependency: "direct main"
     description:
       name: json_serializable
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.3.0"
+    version: "3.5.0"
   linkify:
     dependency: transitive
     description:
@@ -384,7 +426,7 @@ packages:
       name: mime
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.9.6+3"
+    version: "0.9.7"
   node_interop:
     dependency: transitive
     description:
@@ -426,7 +468,14 @@ packages:
       name: path_provider_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.3"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.4+1"
   pedantic:
     dependency: "direct dev"
     description:
@@ -441,20 +490,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.2.1"
-  platform_detect:
-    dependency: transitive
-    description:
-      name: platform_detect
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.4.0"
   plugin_platform_interface:
     dependency: transitive
     description:
       name: plugin_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.3"
   pool:
     dependency: transitive
     description:
@@ -496,21 +538,21 @@ packages:
       name: sa_anicoto
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.3"
   sa_multi_tween:
     dependency: transitive
     description:
       name: sa_multi_tween
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.1"
+    version: "1.1.2"
   sa_stateless_animation:
     dependency: transitive
     description:
       name: sa_stateless_animation
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.0.3"
   sa_v1_migration:
     dependency: transitive
     description:
@@ -524,14 +566,14 @@ packages:
       name: shared_preferences
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.8"
+    version: "0.5.12"
   shared_preferences_linux:
     dependency: transitive
     description:
       name: shared_preferences_linux
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.2+1"
+    version: "0.0.2+2"
   shared_preferences_macos:
     dependency: transitive
     description:
@@ -553,13 +595,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.2+7"
+  shared_preferences_windows:
+    dependency: transitive
+    description:
+      name: shared_preferences_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+1"
   shelf:
     dependency: transitive
     description:
       name: shelf
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.7.7"
+    version: "0.7.9"
   shelf_web_socket:
     dependency: transitive
     description:
@@ -573,7 +622,7 @@ packages:
       name: simple_animations
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.1"
+    version: "2.2.2"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -585,7 +634,7 @@ packages:
       name: source_gen
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.9.6"
+    version: "0.9.7+1"
   source_span:
     dependency: transitive
     description:
@@ -627,7 +676,14 @@ packages:
       name: supercharged
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.10.0"
+  supercharged_dart:
+    dependency: transitive
+    description:
+      name: supercharged_dart
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
   term_glyph:
     dependency: transitive
     description:
@@ -662,7 +718,7 @@ packages:
       name: url_launcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.5.0"
+    version: "5.7.2"
   url_launcher_linux:
     dependency: transitive
     description:
@@ -676,21 +732,28 @@ packages:
       name: url_launcher_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.1+7"
+    version: "0.0.1+8"
   url_launcher_platform_interface:
     dependency: transitive
     description:
       name: url_launcher_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.7"
+    version: "1.0.8"
   url_launcher_web:
     dependency: transitive
     description:
       name: url_launcher_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.2"
+    version: "0.1.4+1"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+1"
   vector_math:
     dependency: transitive
     description:
@@ -712,6 +775,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.0"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.7.3"
   xdg_directories:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index fb53942..90a5df5 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -28,6 +28,7 @@ dependencies:
   simple_animations: ^2.2.1
   google_maps_flutter: ^0.5.20+5
   json_serializable: ^3.3.0
+  firebase_messaging: ^7.0.0
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^0.1.2