KAT-50: Did the RaisedButtons disable

rescueapp/lib/main.dart

@@ -59,7 +59,7 @@ class MyHomePage extends StatelessWidget {
                       child: Text('REAL',
                           style: TextStyle(fontSize: 22, color: Colors.white)),
                       color: Colors.red,
-                      onPressed: () {})),
+                      onPressed: null )),
             ),
           ],
         ),

rescueapp/lib/triage_step1/ambulatory.dart

@@ -56,7 +56,7 @@ class _AmbulatoryState extends State<Ambulatory> {
                                 fontWeight: FontWeight.w600,
                                 color: Colors.blue[900])),
                         color: Colors.blue,
-                        onPressed: () {}))),
+                        onPressed: null ))),
             SizedBox(
               height: 10,
             ),

rescueapp/lib/triage_step2/triage_step2_1/spontaneous_breathing_present.dart

@@ -94,7 +94,7 @@ class _SpontaneousBreathingPresentState
                                 fontWeight: FontWeight.w600,
                                 color: Colors.blue[900])),
                         color: Colors.blue,
-                        onPressed: () {}))),
+                        onPressed: null ))),
             SizedBox(
               height: 10,
             ),

rescueapp/lib/triage_step2/triage_step2_2/after_opening_airways.dart

@@ -114,7 +114,7 @@ class _AfterOpeningAirwaysState extends State<AfterOpeningAirways> {
                                 fontWeight: FontWeight.w600,
                                 color: Colors.blue[900])),
                         color: Colors.blue,
-                        onPressed: () {}))),
+                        onPressed: null ))),
             SizedBox(
               height: 10,
             ),
@@ -129,7 +129,7 @@ class _AfterOpeningAirwaysState extends State<AfterOpeningAirways> {
                                 fontWeight: FontWeight.w600,
                                 color: Colors.blue[900])),
                         color: Colors.blue,
-                        onPressed: () {}))),
+                        onPressed: null))),
             SizedBox(
               height: 50,
             ),