KAT-50: Deleted the unnecessary import and reformated in main.dart

rescueapp/lib/main.dart

 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:rescueapp/Ambulatory.dart';
-import 'package:rescueapp/SpontaneousBreathingPresent.dart';
-
-
 
 void main() {
   runApp(MyApp());
@@ -14,15 +11,16 @@ class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      title: 'KatApp',
-      theme: ThemeData(
-         primarySwatch: Colors.blue,
-      ),
+        title: 'KatApp',
+        theme: ThemeData(
+          primarySwatch: Colors.blue,
+        ),
         home: MyHomePage()
-      //home: MyHomePage(title: 'KatApp Home Page'),
-    );
+        //home: MyHomePage(title: 'KatApp Home Page'),
+        );
   }
 }
+
 class MyHomePage extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
@@ -30,45 +28,49 @@ class MyHomePage extends StatelessWidget {
       appBar: AppBar(
         title: Text('KatApp Hompage'),
       ),
-
-        body: Center(
+      body: Center(
         child: Column(
-            children: <Widget>[
-              SizedBox(
-                height: 250,
-              ),
-              SizedBox(
-                  width: 200,
-                  height: 50,
-              child: Container (
-                child: RaisedButton(
-               child: Text('ÜBUNG', style: TextStyle(fontSize: 22, color: Colors.white,)),
+          children: <Widget>[
+            SizedBox(
+              height: 250,
+            ),
+            SizedBox(
+                width: 200,
+                height: 50,
+                child: Container(
+                    child: RaisedButton(
+                  child: Text('ÜBUNG',
+                      style: TextStyle(
+                        fontSize: 22,
+                        color: Colors.white,
+                      )),
                   color: Colors.green,
-                  onPressed: () {
-                  Navigator.push(
-                    context,
-                    MaterialPageRoute(builder: (context) => Ambulatory()),
-                            );
-                          },
-                        ))
-        ),
-          SizedBox (
-            height: 20,
-          ),
-         SizedBox (
-           width: 200,
-           height: 50,
-            child: Container (
-              child: RaisedButton(
-                 child: Text('REAL',style: TextStyle(fontSize: 22, color: Colors.white)),
-                  color: Colors.red,
                   onPressed: () {
                     Navigator.push(
-                    context,
-                    MaterialPageRoute(builder: (context) => MyHomePage()),
-                    );}
-              ) ),),
-            ],
+                      context,
+                      MaterialPageRoute(builder: (context) => Ambulatory()),
+                    );
+                  },
+                ))),
+            SizedBox(
+              height: 20,
+            ),
+            SizedBox(
+              width: 200,
+              height: 50,
+              child: Container(
+                  child: RaisedButton(
+                      child: Text('REAL',
+                          style: TextStyle(fontSize: 22, color: Colors.white)),
+                      color: Colors.red,
+                      onPressed: () {
+                        Navigator.push(
+                          context,
+                          MaterialPageRoute(builder: (context) => MyHomePage()),
+                        );
+                      })),
+            ),
+          ],
         ),
       ),
     );