Pull down to refresh (yw lingy)

lib/fetcher.dart

@@ -24,53 +24,64 @@ class _FetchAPIState extends State<FetchAPI> {
                 fetchedArrivals = fetchArrivals();
               });
             },
-            icon: const Icon(Icons.refresh_rounded))
+            icon: const Icon(Icons.refresh_sharp),
+          ),
+          const SizedBox(width: 30,),
         ],
       ),
-      body: Column(
+      body: RefreshIndicator(
-        mainAxisAlignment: MainAxisAlignment.start,
+        onRefresh: _refreshData,
-        children: [
+        child: Column(
-          Expanded(
+          mainAxisAlignment: MainAxisAlignment.start,
-            child: SizedBox(
+          children: [
-              child: FutureBuilder<List<Arrival>>(
+            Expanded(
-                future: fetchedArrivals,
+              child: SizedBox(
-                builder: (context, snapshot) {
+                child: FutureBuilder<List<Arrival>>(
-                  if (snapshot.connectionState == ConnectionState.waiting) {
+                  future: fetchedArrivals,
-                    return const CircularProgressIndicator();
+                  builder: (context, snapshot) {
-                  } else if (snapshot.hasError) {
+                    if (snapshot.connectionState == ConnectionState.waiting) {
-                    return Text('Failed to fetch data.\nError: ${snapshot.error}');
+                      return const CircularProgressIndicator();
-                  } else {
+                    } else if (snapshot.hasError) {
-                    return ListView.builder(
+                      return Text('Failed to fetch data.\nError: ${snapshot.error}');
-                      itemCount: snapshot.data!.length,
+                    } else {
-                      itemBuilder: (context, index) {
+                      return ListView.builder(
-                        return ListTile(
+                        itemCount: snapshot.data!.length,
-                          title: Text("Arrival Time: ${snapshot.data![index].timeOfDay}"),
+                        itemBuilder: (context, index) {
-                          titleAlignment: ListTileTitleAlignment.center,
+                          return ListTile(
-                          subtitle: Text("Week Day: ${weekNumToString(snapshot.data![index].weekDay)}"),
+                            title: Text("Arrival Time: ${snapshot.data![index].timeOfDay}"),
-                        );
+                            titleAlignment: ListTileTitleAlignment.center,
-                      },
+                            subtitle: Text("Week Day: ${weekNumToString(snapshot.data![index].weekDay)}"),
-                    );
+                          );
-                  }
+                        },
-                },
+                      );
+                    }
+                  },
+                ),
               ),
             ),
-          ),
+            const SizedBox(height: 30,),
-          const SizedBox(height: 30,),
+            InkWell(
-          InkWell(
+              onTap: () {
-            onTap: () {
+                Navigator.pushNamedAndRemoveUntil(context, '/', (route) => false);
-              Navigator.pushNamedAndRemoveUntil(context, '/', (route) => false);
+              },
-            },
+              child: Container(
-            child: Container(
+                padding: const EdgeInsets.all(20.0),
-              padding: const EdgeInsets.all(20.0),
+                child: const Text("Homescreen"),
-              child: const Text("Homescreen"),
+              ),
             ),
-          ),
+            const SizedBox(height: 35,),
-          const SizedBox(height: 35,),
+          ],
-        ],
+        ),
       ),
     );
   }
 
+  Future<void> _refreshData() async {
+    setState(() {
+      fetchedArrivals = fetchArrivals();
+    });
+  }
+
   @override
   void initState() {
     super.initState();
@@ -97,4 +108,4 @@ String weekNumToString(int weekday) {
   }
 
   throw "AAAAAAAAA";
-}
+}