formatting

lib/widgets/session_view.dart

@@ -64,7 +64,7 @@ class SessionViewActivities extends StatelessWidget {
   Widget build(BuildContext context) {
     return Expanded(
         child: ListView.builder(
-      shrinkWrap: true,
+      // shrinkWrap: true,
       padding: const EdgeInsets.fromLTRB(10, 0, 10, 0),
       itemCount: activities?.length,
       itemBuilder: (BuildContext context, int index) {
@@ -90,17 +90,16 @@ class SessionViewActivities extends StatelessWidget {
                         position: custom,
                         child: Dialog.fullscreen(
                             child: Flex(
-                                direction: Axis.vertical,
+                          direction: Axis.vertical,
-                                mainAxisSize: MainAxisSize.min,
+                          mainAxisSize: MainAxisSize.min,
-                                children: [
+                          children: <Widget>[
-                              Text('${activities?[index].title}'),
+                            AppBar(
-                              Text('${activities?[index].categories}'),
+                              centerTitle: true,
-                              Text('${activities?[index].description}'),
+                              title: const Text('test activity',
-                              Text('${activities?[index].resources}'),
+                                  style: TextStyle(fontSize: 15)),
-                              Text('${activities?[index].actions[0].title}'),
+                            ),
-                              Text(
+                          ],
-                                  '${activities?[index].actions[0].description}'),
+                        )));
-                            ])));
                   },
                   barrierDismissible: true,
                   barrierLabel: '',