in_app_notification 1.0.2

A Flutter package to show custom in-app notification with any Widgets.

example/lib/main.dart

import 'dart:math' as math;
import 'dart:ui';

import 'package:flutter/material.dart';
import 'package:in_app_notification/in_app_notification.dart';

void main() {
  runApp(App());
}

class App extends StatelessWidget {
  const App({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return InAppNotification(
      child: MaterialApp(
        title: 'In-App Notification Demo',
        theme: ThemeData(
          primarySwatch: Colors.blue,
          visualDensity: VisualDensity.adaptivePlatformDensity,
        ),
        home: const HomePage(),
      ),
    );
  }
}

class HomePage extends StatefulWidget {
  const HomePage({Key? key}) : super(key: key);

  @override
  _HomePageState createState() => _HomePageState();
}

class _HomePageState extends State<HomePage> {
  int _count = 0;
  int _duration = 3000;
  double _minHeight = 0.0;

  void _incrementCount() => setState(() => _count++);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('In-App Notification Demo')),
      body: Center(
        child: Column(
          mainAxisSize: MainAxisSize.max,
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Text('Current count: $_count'),
            const SizedBox(height: 32),
            Text('Duration: $_duration ms'),
            const SizedBox(height: 16),
            Slider.adaptive(
              value: _duration.toDouble(),
              onChanged: (value) => setState(() => _duration = value.toInt()),
              min: 500,
              max: 5000,
            ),
            const SizedBox(height: 24),
            Text('Notification minimum height: $_minHeight '),
            const SizedBox(height: 16),
            Slider.adaptive(
              value: _minHeight,
              onChanged: (value) =>
                  setState(() => _minHeight = value.floorToDouble()),
              min: 0.0,
              max: MediaQuery.of(context).size.height,
            ),
            const SizedBox(height: 32),
            ElevatedButton(
              onPressed: () {
                _incrementCount();
                InAppNotification.show(
                  child: NotificationBody(
                    count: _count,
                    minHeight: _minHeight,
                  ),
                  context: context,
                  onTap: () => print('Notification tapped!'),
                  duration: Duration(milliseconds: _duration),
                );
              },
              child: Text('Show Notification'),
            )
          ],
        ),
      ),
    );
  }
}

/// An example of notification Widget.
///
/// Please replace this into your own Widget.
class NotificationBody extends StatelessWidget {
  final int count;
  final double minHeight;

  NotificationBody({
    Key? key,
    this.count = 0,
    this.minHeight = 0.0,
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    final minHeight = math.min(
      this.minHeight,
      MediaQuery.of(context).size.height,
    );
    return ConstrainedBox(
      constraints: BoxConstraints(minHeight: minHeight),
      child: Padding(
        padding: const EdgeInsets.fromLTRB(16, 4, 16, 0),
        child: DecoratedBox(
          decoration: BoxDecoration(
            boxShadow: [
              BoxShadow(
                color: Colors.black.withOpacity(0.1),
                spreadRadius: 12,
                blurRadius: 16,
              ),
            ],
          ),
          child: ClipRRect(
            borderRadius: BorderRadius.circular(16),
            child: BackdropFilter(
              filter: ImageFilter.blur(sigmaX: 24, sigmaY: 24),
              child: DecoratedBox(
                decoration: BoxDecoration(
                  color: Colors.lightGreen.withOpacity(0.4),
                  borderRadius: BorderRadius.circular(16.0),
                  border: Border.all(
                    width: 1.4,
                    color: Colors.lightGreen.withOpacity(0.2),
                  ),
                ),
                child: Padding(
                  padding: const EdgeInsets.all(16.0),
                  child: Center(
                    child: Text(
                      'Count: $count',
                      style: Theme.of(context)
                          .textTheme
                          .headline4!
                          .copyWith(color: Colors.white),
                    ),
                  ),
                ),
              ),
            ),
          ),
        ),
      ),
    );
  }
}