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.

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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: ^1.0.0

🧩 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

Option	Behavior
backPressExit	Exit app after pressing back twice within 2 seconds. Shows SnackBar.
popUpExit	Shows an AlertDialog to confirm exit.
bottomSheetExit	Shows a BottomSheet to confirm exit.

🎨 Customization

Property	Description
exitType	Defines how the exit confirmation will appear (dialog, bottom sheet, SnackBar).
exitMessage	The message displayed when asking the user to confirm exiting the app.
exitMessageStyle	Custom TextStyle for the exit message.
cancelButtonText	Text displayed on the cancel button.
cancelButtonTextStyle	Custom text style for the cancel button.
cancelButtonStyle	Custom ButtonStyle for the cancel button.
exitButtonText	Text displayed on the exit button.
exitButtonTextStyle	Custom text style for the exit button.
exitButtonStyle	Custom ButtonStyle for the exit button.
backgroundColor	Background color for dialog, bottom sheet, or SnackBar.
bottomSheetHeight	Optional height for the bottom sheet layout.
backPressExitBottomExit	Duration (in seconds) before auto-exit on double back press (for SnackBar).
child	The main widget wrapped by the exit handler.
exitImage	Optional image widget displayed in the exit UI (dialog or bottom sheet).

💡 Example

Bottom Sheet Exit

FlutterSmartExit(
  exitType: ExitType.bottomSheetExit,
  exitMessage: "Do you really want to leave?",
  bottomSheetHeight: 250.0,    ///--> can adjust height with your devices
  exitMessageStyle: TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
  cancelButtonText: "No",
  exitButtonText: "Yes",
  backgroundColor: Colors.white,
  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: raihansikdar10@gmail.com
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.