Ported Create Progress Button for Platform Aware

Signed-off-by: Andreas Fahrecker <AndreasFahrecker@gmail.com>

lib/ui/buttons/create_progress_button.dart

@@ -1,18 +1,39 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_platform_widgets/flutter_platform_widgets.dart';
 import 'package:time_progress_tracker/ui/screens/progress_creation_screen.dart';
+import 'package:time_progress_tracker/utils/helper_functions.dart';
 
 class CreateProgressButton extends StatelessWidget {
   final String _heroTag = "createProgressBTN";
 
   @override
   Widget build(BuildContext context) {
-    void _onButtonPressed() =>
+    void _onButtonPressed() => Navigator.push(
-        Navigator.pushNamed(context, ProgressCreationScreen.routeName);
+        context,
+        platformPageRoute(
+          context: context,
+          builder: (context) => ProgressCreationScreen(),
+        ));
 
+    Widget _renderCupertino() {
+      return PlatformButton(
+        padding: EdgeInsets.all(4),
+        child: Icon(
+          Icons.add,
+          color: Colors.white,
+        ),
+        onPressed: _onButtonPressed,
+      );
+    }
+
+    Widget _renderMaterial() {
       return FloatingActionButton(
         heroTag: _heroTag,
         child: Icon(Icons.add),
         onPressed: _onButtonPressed,
       );
     }
+
+    return useCupertino() ? _renderCupertino() : _renderMaterial();
+  }
 }

lib/ui/screens/dashboard_screen.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_platform_widgets/flutter_platform_widgets.dart';
+import 'package:time_progress_tracker/ui/buttons/create_progress_button.dart';
 import 'package:time_progress_tracker/ui/screens/active_time_progresses_screen.dart';
 import 'package:time_progress_tracker/ui/screens/inactive_time_progresses_screen.dart';
 import 'package:time_progress_tracker/ui/screens/settings_screen.dart';
@@ -40,6 +41,9 @@ class _DashboardScreenState extends State<DashboardScreen> {
     }
   }
 
+  Widget _renderCreateProgressBtn() =>
+      _tabSelectedIndex == 2 ? null : CreateProgressButton();
+
   @override
   Widget build(BuildContext context) {
     return PlatformScaffold(
@@ -50,9 +54,12 @@ class _DashboardScreenState extends State<DashboardScreen> {
         ),
         cupertino: (_, __) => CupertinoNavigationBarData(
           transitionBetweenRoutes: false,
+          leading: _renderCreateProgressBtn(),
         ),
       ),
-      material: (_, __) => MaterialScaffoldData(),
+      material: (_, __) => MaterialScaffoldData(
+        floatingActionButton: _renderCreateProgressBtn(),
+      ),
       body: _renderTabScreen(_tabSelectedIndex),
       bottomNavBar: PlatformNavBar(
           currentIndex: _tabSelectedIndex,

lib/utils/helper_functions.dart

@@ -1,5 +1,7 @@
+import 'dart:io' show Platform;
 import 'dart:ui';
 
+import 'package:flutter/foundation.dart';
 import 'package:redux/redux.dart';
 import 'package:time_progress_tracker/models/time_progress.dart';
 import 'package:time_progress_tracker/redux/actions/app_settings_actions.dart';
@@ -28,3 +30,8 @@ bool useBrightBackground(Color bC) {
   double yiq = ((bC.red * 299) + (bC.green * 587) + (bC.blue * 114)) / 1000;
   return yiq >= 186 || (bC.red == 0 && bC.green == 0 && bC.blue == 0);
 }
+
+bool useCupertino() {
+  if (kIsWeb) return false;
+  return Platform.isIOS;
+}