lesson-33

world_time_app/lib/pages/home.dart

@@ -18,45 +18,64 @@ class _HomeState extends State<Home> {
   Widget build(BuildContext context) {
 
     data = ModalRoute.of(context).settings.arguments;
-    print(data);
+
+    // set background image
+    String bgImage = data['isDaytime'] ? 'day.png' : 'night.png';
+    Color bgColor = data['isDaytime'] ? Colors.blue : Colors.indigo[700];
 
     return Scaffold(
-      //appBar: AppBar(),
+      backgroundColor: bgColor,
       body: SafeArea(
-        child: Padding(
-          padding: const EdgeInsets.fromLTRB(0, 120.0, 0, 0),
-          child: Column(
-            children: <Widget>[
-              FlatButton.icon(
-                onPressed: () {
-                  Navigator.pushNamed(context, '/location');
-                },
-                icon: Icon(Icons.edit_location),
-                label: Text(
-                  'Edit Location'
-                )
-              ),
-              SizedBox(height: 20.0),
-              Row(
-                mainAxisAlignment: MainAxisAlignment.center,
-                children: <Widget>[
-                  Text(
-                    data['location'],
+        child: Container(
+          decoration: BoxDecoration(
+            image: DecorationImage(
+              image: AssetImage('assets/$bgImage'),
+              fit: BoxFit.cover,
+            )
+          ),
+          child: Padding(
+            padding: const EdgeInsets.fromLTRB(0, 120.0, 0, 0),
+            child: Column(
+              children: <Widget>[
+                FlatButton.icon(
+                  onPressed: () {
+                    Navigator.pushNamed(context, '/location');
+                  },
+                  icon: Icon(
+                    Icons.edit_location,
+                    color: Colors.grey[300],
+                  ),
+                  label: Text(
+                    'Edit Location',
                     style: TextStyle(
-                      fontSize: 28.0,
-                      letterSpacing: 2.0,
+                      color: Colors.grey[300],
                     ),
                   ),
-                ],
-              ),
-              SizedBox(height: 20.0),
-              Text(
-                data['time'],
-                style: TextStyle(
-                  fontSize: 66.0,
-                )
-              ),
-            ],
+                ),
+                SizedBox(height: 20.0),
+                Row(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: <Widget>[
+                    Text(
+                      data['location'],
+                      style: TextStyle(
+                        fontSize: 28.0,
+                        letterSpacing: 2.0,
+                        color: Colors.white,
+                      ),
+                    ),
+                  ],
+                ),
+                SizedBox(height: 20.0),
+                Text(
+                  data['time'],
+                  style: TextStyle(
+                    fontSize: 66.0,
+                    color: Colors.white
+                  )
+                ),
+              ],
+            ),
           ),
         ),
       ),

world_time_app/lib/pages/loading.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:world_time_app/services/world_time.dart';
+import 'package:flutter_spinkit/flutter_spinkit.dart';
 
 class Loading extends StatefulWidget {
   @override
@@ -14,7 +15,8 @@ class _LoadingState extends State<Loading> {
     Navigator.pushReplacementNamed(context, '/home', arguments: {
       'location': instance.location,
       'flag': instance.flag,
-      'time': instance.time
+      'time': instance.time,
+      'isDaytime': instance.isDaytime
     });
   }
 
@@ -27,10 +29,13 @@ class _LoadingState extends State<Loading> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      body: Padding(
-        padding: const EdgeInsets.all(50.0),
-        child: Text('loading'),
-      ),
+      backgroundColor: Colors.blue[900],
+      body: Center(
+        child: SpinKitFadingCube(
+          color: Colors.white,
+          size: 50.0,
+        )
+      )
     );
   }
 }

world_time_app/lib/services/world_time.dart

@@ -8,6 +8,7 @@ class WorldTime {
   String time; // the time in that location
   String flag; // url to an asset flag icon
   String url; // location url for api endpoint
+  bool isDaytime; // true or false if daytime or not
 
   WorldTime({ this.location, this.flag, this.url });
 
@@ -27,6 +28,7 @@ class WorldTime {
       now = now.add(Duration(hours: int.parse(offset)));
 
       // set the time property
+      isDaytime = now.hour > 6 && now.hour < 20 ? true : false;
       time = DateFormat.jm().format(now);
     }
     catch (e) {

world_time_app/pubspec.lock

@@ -41,6 +41,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_spinkit:
+    dependency: "direct main"
+    description:
+      name: flutter_spinkit
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -165,3 +172,4 @@ packages:
     version: "2.0.8"
 sdks:
   dart: ">=2.2.2 <3.0.0"
+  flutter: ">=0.1.4 <2.0.0"

world_time_app/pubspec.yaml

@@ -25,6 +25,7 @@ dependencies:
   cupertino_icons: ^0.1.2
   http: ^0.12.0+2
   intl: ^0.15.8
+  flutter_spinkit: "^3.1.0"
 
 
 dev_dependencies:
@@ -44,9 +45,8 @@ flutter:
   uses-material-design: true
 
   # To add assets to your application, add an assets section, like this:
-  # assets:
-  #  - images/a_dot_burr.jpeg
-  #  - images/a_dot_ham.jpeg
+  assets:
+    - assets/
 
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/assets-and-images/#resolution-aware.