[Feature/PE1-16] Implementation of the welcome page

lib/WelcomePage/calenderPic.dart

@@ -0,0 +1,14 @@
+import 'package:flutter/material.dart';
+
+// This class is for the calender picture in the middle of the page
+class CalenderPic extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Image(
+      image: AssetImage('assets/images/PEwelcomeImage.png'),
+      fit: BoxFit.contain,
+      height: MediaQuery.of(context).size.height * 0.4,
+      width: MediaQuery.of(context).size.width * 0.8,
+    );
+  }
+}

lib/WelcomePage/circleOverlays.dart

@@ -0,0 +1,52 @@
+import 'package:flutter/material.dart';
+
+class CircleOverlays extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      width: MediaQuery.of(context).size.width,
+      child: Stack(
+        textDirection: TextDirection.ltr,
+        children: [
+          Positioned(
+            child: CircleContainer(
+                assetLocation: 'assets/images/PEcircle2.png',
+                width: 0.6,
+                height: 0.33),
+            left: 0,
+          ),
+          Positioned(
+            child: CircleContainer(
+                assetLocation: 'assets/images/PEcircle1.png',
+                width: 0.6,
+                height: 0.216),
+            right: 0,
+          )
+        ],
+      ),
+    );
+  }
+}
+
+// this class is use to hold the circles
+class CircleContainer extends StatelessWidget {
+  final String assetLocation;
+  final double width;
+  final double height;
+
+  CircleContainer(
+      {Key key,
+      @required this.assetLocation,
+      @required this.width,
+      @required this.height});
+
+  @override
+  Widget build(BuildContext context) {
+    return Image(
+      width: MediaQuery.of(context).size.width * width,
+      height: MediaQuery.of(context).size.height * height,
+      image: AssetImage(assetLocation),
+      fit: BoxFit.contain,
+    );
+  }
+}

lib/WelcomePage/pageTitle.dart

@@ -0,0 +1,31 @@
+import 'package:flutter/material.dart';
+
+class PageTitle extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      height: MediaQuery.of(context).size.height * 0.2,
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+        textDirection: TextDirection.ltr,
+        children: [
+          Image(
+            image: AssetImage('assets/images/PElogo2.png'),
+            fit: BoxFit.contain,
+            height: MediaQuery.of(context).size.height * 0.08,
+          ),
+          Text('Hello!',
+              style: TextStyle(
+                  fontWeight: FontWeight.bold,
+                  fontSize: 27,
+                  fontFamily: 'Montserrat'),
+              textDirection: TextDirection.ltr),
+          Text('Welcome to Poly Event.',
+              style: TextStyle(fontSize: 20, fontFamily: 'Montserrat'),
+              textDirection: TextDirection.ltr),
+        ],
+      ),
+    );
+  }
+}

lib/WelcomePage/signInButtons.dart

@@ -0,0 +1,56 @@
+import 'package:flutter/material.dart';
+
+class BottomSquareWithButton extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      height: MediaQuery.of(context).size.height * 0.45,
+      width: MediaQuery.of(context).size.width,
+      decoration: BoxDecoration(
+          //gradient color for the rectangle
+          gradient: LinearGradient(
+              begin: Alignment.topCenter,
+              end: Alignment.bottomCenter,
+              colors: <Color>[
+                Color.fromARGB(255, 217, 188, 240),
+                Color.fromARGB(255, 237, 210, 240)
+              ]),
+          borderRadius: BorderRadius.only(
+            topLeft: const Radius.circular(25.0),
+            topRight: const Radius.circular(25.0),
+          )),
+      child: Column(
+        mainAxisSize: MainAxisSize.max,
+        mainAxisAlignment: MainAxisAlignment.center,
+        textDirection: TextDirection.ltr,
+        children: [
+          WelcomeButtons(assetLocation: 'assets/images/PEsignup.png'),
+          WelcomeButtons(assetLocation: 'assets/images/PElogin.png'),
+          Text('By Poly Team', textDirection: TextDirection.ltr)
+        ],
+      ),
+    );
+  }
+}
+
+/// Sign up button for the welcome page, use the raised button.
+class WelcomeButtons extends StatelessWidget {
+  final String assetLocation;
+
+  WelcomeButtons({Key key, @required this.assetLocation});
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      child: Image(
+          height: MediaQuery.of(context).size.height * 0.1,
+          width: MediaQuery.of(context).size.width * 0.8,
+          image: AssetImage(assetLocation),
+          fit: BoxFit.fitWidth),
+      onTap: () {
+        //Todo: link it to different page up page
+        print('hi\n');
+      },
+    );
+  }
+}

lib/WelcomePage/welcomePage.dart

@@ -0,0 +1,35 @@
+import 'package:flutter/material.dart';
+import 'circleOverlays.dart';
+import 'calenderPic.dart';
+import 'signInButtons.dart';
+import 'pageTitle.dart';
+
+class WelcomePage extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Stack(
+        textDirection: TextDirection.ltr,
+        children: [
+          Positioned(
+            child: CircleOverlays(),
+          ),
+          Positioned(
+            child: BottomSquareWithButton(),
+            bottom: 0,
+          ),
+          Positioned(
+            child: CalenderPic(),
+            bottom: MediaQuery.of(context).size.height * 0.35,
+            left: MediaQuery.of(context).size.width * 0.1,
+          ),
+          Positioned(
+            child: PageTitle(),
+            left: MediaQuery.of(context).size.width * 0.07,
+            top: MediaQuery.of(context).size.height * 0.07,
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/main.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import './WelcomePage/welcomePage.dart';
 
 void main() {
   runApp(MyApp());
@@ -22,92 +23,8 @@ class MyApp extends StatelessWidget {
         // is not restarted.
         primarySwatch: Colors.blue,
       ),
-      home: MyHomePage(title: 'Flutter Demo Home Page'),
-    );
-  }
-}
-
-class MyHomePage extends StatefulWidget {
-  MyHomePage({Key key, this.title}) : super(key: key);
-
-  // This widget is the home page of your application. It is stateful, meaning
-  // that it has a State object (defined below) that contains fields that affect
-  // how it looks.
-
-  // This class is the configuration for the state. It holds the values (in this
-  // case the title) provided by the parent (in this case the App widget) and
-  // used by the build method of the State. Fields in a Widget subclass are
-  // always marked "final".
-
-  final String title;
-
-  @override
-  _MyHomePageState createState() => _MyHomePageState();
-}
-
-class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-
-  void _incrementCounter() {
-    setState(() {
-      // This call to setState tells the Flutter framework that something has
-      // changed in this State, which causes it to rerun the build method below
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    // This method is rerun every time setState is called, for instance as done
-    // by the _incrementCounter method above.
-    //
-    // The Flutter framework has been optimized to make rerunning build methods
-    // fast, so that you can just rebuild anything that needs updating rather
-    // than having to individually change instances of widgets.
-    return Scaffold(
-      appBar: AppBar(
-        // Here we take the value from the MyHomePage object that was created by
-        // the App.build method, and use it to set our appbar title.
-        title: Text(widget.title),
-      ),
-      body: Center(
-        // Center is a layout widget. It takes a single child and positions it
-        // in the middle of the parent.
-        child: Column(
-          // Column is also a layout widget. It takes a list of children and
-          // arranges them vertically. By default, it sizes itself to fit its
-          // children horizontally, and tries to be as tall as its parent.
-          //
-          // Invoke "debug painting" (press "p" in the console, choose the
-          // "Toggle Debug Paint" action from the Flutter Inspector in Android
-          // Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
-          // to see the wireframe for each widget.
-          //
-          // Column has various properties to control how it sizes itself and
-          // how it positions its children. Here we use mainAxisAlignment to
-          // center the children vertically; the main axis here is the vertical
-          // axis because Columns are vertical (the cross axis would be
-          // horizontal).
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            Text(
-              'You have pushed the button this many times:',
-            ),
-            Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.headline4,
-            ),
-          ],
-        ),
-      ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
+      home: WelcomePage(), // becomes the route named '/'
+      routes: <String, WidgetBuilder>{},
     );
   }
 }