app_life_cycle_widget_wrapper.dart

import 'dart:developer';
import 'package:flutter/widgets.dart';


class AppLifeCycleWidgetWrapper extends StatefulWidget {
  const AppLifeCycleWidgetWrapper({
    required this.child,
    this.onMoveToForeground,
    this.onMoveToBackground,
    this.onAppPaused,
    this.onAppDetached,
    super.key,
  });

  final Widget child;
  final VoidCallback? onMoveToForeground;
  final VoidCallback? onMoveToBackground;
  final VoidCallback? onAppPaused;
  final VoidCallback? onAppDetached;

  @override
  State<AppLifeCycleWidgetWrapper> createState() => _AppLifeCycleWidgetWrapperState();
}

class _AppLifeCycleWidgetWrapperState extends State<AppLifeCycleWidgetWrapper> with WidgetsBindingObserver {
  @override
  void initState() {
    WidgetsBinding.instance.addObserver(this);
    super.initState();
  }

  @override
  void dispose() {
    WidgetsBinding.instance.removeObserver(this);
    super.dispose();
  }

  @override
  void didChangeAppLifecycleState(AppLifecycleState state) {
    switch (state) {
      case AppLifecycleState.resumed:
        widget.onMoveToForeground?.call();
        log('App move to FOREGROUND');
        break;
      case AppLifecycleState.inactive:
        widget.onMoveToBackground?.call();
        log('App move to BACKGROUND');
        break;
      case AppLifecycleState.paused:
        widget.onAppPaused?.call();
        log('App PAUSED');
        break;
      case AppLifecycleState.detached:
        widget.onAppDetached?.call();
        log('App DETACHED');
        break;
    }
  }

  @override
  Widget build(BuildContext context) => widget.child;
}