Add LinearProgressIndicator for background queries

2024-06-13 17:00:08 +02:00
parent beb1005710
commit 8126327b95
6 changed files with 119 additions and 39 deletions
--- a/flutter/lib/state/app_bar_state.dart
+++ b/flutter/lib/state/app_bar_state.dart
@@ -0,0 +1,20 @@
+import 'package:flutter/foundation.dart';
+
+class AppBarState extends ChangeNotifier {
+  static AppBarState? _singleton = AppBarState._internal();
+
+  factory AppBarState() {
+    return _singleton ?? (_singleton = AppBarState._internal());
+  }
+
+  AppBarState._internal() {}
+
+  bool _loadingIndeterminate = false;
+  bool get loadingIndeterminate => _loadingIndeterminate;
+
+  void setLoadingIndeterminate(bool v) {
+    if (_loadingIndeterminate == v) return;
+    _loadingIndeterminate = v;
+    notifyListeners();
+  }
+}