Bind notification calls to Home widget

Author: InvertedX

android/app/src/main/res/drawable/ic_update_black_24dp.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M21,10.12h-6.78l2.74,-2.82c-2.73,-2.7 -7.15,-2.8 -9.88,-0.1 -2.73,2.71 -2.73,7.08 0,9.79 2.73,2.71 7.15,2.71 9.88,0C18.32,15.65 19,14.08 19,12.1h2c0,1.98 -0.88,4.55 -2.64,6.29 -3.51,3.48 -9.21,3.48 -12.72,0 -3.5,-3.47 -3.53,-9.11 -0.02,-12.58 3.51,-3.47 9.14,-3.47 12.65,0L21,3v7.12zM12.5,8v4.25l3.5,2.08 -0.72,1.21L11,13V8h1.5z"/>
+</vector>

lib/screens/home.dart

@@ -10,6 +10,7 @@ import 'package:sentinelx/models/tx.dart';
 import 'package:sentinelx/screens/Receive/receive_screen.dart';
 import 'package:sentinelx/screens/dojo_configure.dart';
 import 'package:sentinelx/screens/settings/settings.dart';
+import 'package:sentinelx/screens/settings/update_screen.dart';
 import 'package:sentinelx/screens/tx_details.dart';
 import 'package:sentinelx/screens/watch_list.dart';
 import 'package:sentinelx/shared_state/app_state.dart';
@@ -34,7 +35,6 @@ class Home extends StatefulWidget {
 
 class _HomeState extends State<Home> {
   final GlobalKey<ScaffoldState> _ScaffoldKey = new GlobalKey<ScaffoldState>();
-  final GlobalKey<RefreshIndicatorState> _refreshIndicator = new GlobalKey<RefreshIndicatorState>();
 
   @override
   void initState() {
@@ -138,12 +138,11 @@ class _HomeState extends State<Home> {
 //                          color: Theme.of(context).primaryColorDark.withOpacity(Theme.of(context).brightness == Brightness.light ? 0.1 : 0.8),
                                 padding: EdgeInsets.symmetric(horizontal: 12),
                                 child: Text(tx.section,
-                                    style: Theme.of(context)
-                                        .textTheme
-                                        .subtitle
-                                        .copyWith(fontWeight: FontWeight.w700,
-                                        color: tx.section == "Pending"? Colors.orangeAccent.withOpacity(0.5) : Theme.of(context).textTheme.subtitle.color.withOpacity(0.5)
-                                        )),
+                                    style: Theme.of(context).textTheme.subtitle.copyWith(
+                                        fontWeight: FontWeight.w700,
+                                        color: tx.section == "Pending"
+                                            ? Colors.orangeAccent.withOpacity(0.5)
+                                            : Theme.of(context).textTheme.subtitle.color.withOpacity(0.5))),
                               ),
                               Divider(),
                             ],
@@ -286,6 +285,8 @@ class _HomeState extends State<Home> {
   void setUp() {
     askPermission();
     askNetwork();
+    checkUpdate();
+    registerListeners(context);
   }
 
   void askPermission() async {
@@ -330,4 +331,31 @@ class _HomeState extends State<Home> {
       },
     );
   }
+
+  void checkUpdate() async {
+    try {
+      Map<String, dynamic> update = await AppState().checkUpdate();
+      if (update.containsKey("isUpToDate")) {
+        if (update['isUpToDate'] as bool == false) {
+          SystemChannel().showUpdateNotification(update['newVersion']);
+        }
+      }
+    } catch (e) {
+      print(e);
+    }
+  }
+
+  void registerListeners(BuildContext context) {
+    SystemChannel().onNotificationCalls((event) {
+      if (event == SystemChannel.UPDATE_NOTIFICATION_EVENT) {
+        Navigator.push(
+            context,
+            new MaterialPageRoute(
+                builder: (c) {
+                  return UpdateCheck();
+                },
+                fullscreenDialog: false));
+      }
+    });
+  }
 }