refactor: Use APL

lib/views/loading_view.dart

@@ -0,0 +1,38 @@
+import 'package:famedlysdk/famedlysdk.dart';
+import 'package:fluffychat/components/matrix.dart';
+import 'package:flushbar/flushbar_helper.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+
+import 'chat_list.dart';
+import 'homeserver_picker.dart';
+
+class LoadingView extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return FutureBuilder<LoginState>(
+      future: Matrix.of(context).client.onLoginStateChanged.stream.first,
+      builder: (context, snapshot) {
+        if (snapshot.hasError) {
+          WidgetsBinding.instance
+              .addPostFrameCallback((_) => FlushbarHelper.createError(
+                    title: L10n.of(context).oopsSomethingWentWrong,
+                    message: snapshot.error.toString(),
+                  ).show(context));
+          return HomeserverPicker();
+        }
+        if (!snapshot.hasData) {
+          return Scaffold(
+            body: Center(
+              child: CircularProgressIndicator(),
+            ),
+          );
+        }
+        if (Matrix.of(context).client.isLogged()) {
+          return ChatList();
+        }
+        return HomeserverPicker();
+      },
+    );
+  }
+}