Flutter Smart Exit ✨ #

A Flutter package to handle smart app exit with double back press, SnackBar, Popup Dialog, or Bottom Sheet.
Fully customizable and works with Material and Cupertino apps.

Features #

• 💡 Exit app with double back press.
• 🛎 Show SnackBar, Popup Dialog, or Bottom Sheet before exiting.
• 🎨 Fully customizable:
  • Exit message & text style
  • Button text & style
  • Background color
  • Bottom sheet height
• 📱 Responsive design for different screen sizes.
• ⚡ Works with Material and Cupertino apps.
• ✅ Easy to integrate in any Flutter project.

📦 Installation #

Add the package to your pubspec.yaml:

dependencies:
  flutter_smart_exit: ^1.2.0

🧩 Getting Started #

Simply import the package in your Dart file:

import 'package:flutter_smart_exit/flutter_smart_exit.dart';

🛠 Usage #

Wrap your Specific widget with FlutterSmartExit:

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {

  @override
  Widget build(BuildContext context) {

    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text(widget.title),
      ),
      body: FlutterSmartExit(
        exitType: ExitType.bottomSheetExit,    // Select exit type
        exitImage: Image.asset("gif/exit.gif"), // Add your gif, image or icon
        child: Center(
          child: Column(
            mainAxisAlignment: .center,
            children: [
              const Text('Home Screen',style: TextStyle(fontSize: 20),),
            ],
          ),
        ),
      ),
    );
  }
}

🔹 Exit Options #

🎨 Customization #

💡 Example #

Bottom Sheet Exit #

FlutterSmartExit(
  exitType: ExitType.bottomSheetExit,        // Select exit behavior

  // Exit image inside dialog or bottom sheet
  exitImage: Image.asset(
    'assets/exit.png',
    fit: BoxFit.contain,
  ),

  // Exit message and styles
  exitMessage: "Do you really want to leave?",
  exitMessageStyle: TextStyle(
    fontSize: 18,
    fontWeight: FontWeight.bold,
  ),

  // Cancel button customization
  cancelButtonText: "No",
  cancelButtonTextStyle: TextStyle(
    fontSize: 16,
    color: Colors.red,
  ),
  cancelButtonStyle: ElevatedButton.styleFrom(
    padding: EdgeInsets.symmetric(vertical: 12, horizontal: 20),
  ),

  // Exit button customization
  exitButtonText: "Yes",
  exitButtonTextStyle: TextStyle(
    fontSize: 16,
    color: Colors.white,
  ),
  exitButtonStyle: ElevatedButton.styleFrom(
    backgroundColor: Colors.green,
    padding: EdgeInsets.symmetric(vertical: 12, horizontal: 20),
  ),

  // Background color for dialog, bottom sheet, or snackbar
  backgroundColor: Colors.white,

  // Bottom sheet customization
  bottomSheetHeight: 250.0,    // Adjust height based on device

  // SnackBar double-back press margin
  backPressExitBottomExit: 20.0,   // Vertical margin for SnackBar

  // Exit Image container customization
  exitImageContainerHeight: 50,
  exitImageContainerWidth: 50,
  exitImageContainerDecoration: BoxDecoration(
    borderRadius: BorderRadius.circular(12),
    color: Colors.grey.shade200,
  ),

  // Main child widget
  child: MyHomePage(),
);

Bottom PopUp Exit #

FlutterSmartExit(
  exitType: ExitType.popUpExit,
  exitMessage: "Do you really want to leave?",
  exitMessageStyle: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
  cancelButtonText: "No",
  exitButtonText: "Yes",
  backgroundColor: Colors.white,
  child: MyHomePage(),
)

Back Press Exit #

FlutterSmartExit(
  exitType: ExitType.backPressExit,
  exitMessage: "Do you really want to leave?",
)

Screenshot #

✅ Gif Download link: #

Preview #

Download #

➡️ Click here to download exit.gif

⚠️ Notes #

• Make sure FlutterSmartExit wraps the root widget.

• Works with MaterialApp or CupertinoApp.

• SnackBar duration for double back press is 2 seconds (fixed).

👨‍💻 Author #

Raihan Sikdar

Website: raihansikdar.com
Email: [email protected]
GitHub: raihansikdar
LinkedIn: raihansikdar

🤝 Contributing #

Contributions are welcome! Feel free to open issues or submit pull requests to improve this package.

📄 License #

This project is licensed under the MIT License.