Smart Progress Dialog

Smart Progress Dialog is a lightweight and customizable Flutter package that provides animated progress dialogs for loading, success, failure, and warning states. It also includes a controller, list loader for infinite scroll, pull-to-refresh support, and snackbars for lightweight feedback.

✨ Features

✅ SmartProgressDialog with loading, success, failure, and warning animations
🎮 SmartProgressController for managing dialog states
🔁 SmartRefreshIndicator for pull-to-refresh support
📦 SmartListLoader for infinite scroll lists
🍞 SmartSnackBar for quick toast-like user feedback
🎨 Customizable size, color, position, and message support

🚀 Installation

Add this to your pubspec.yaml:

dependencies:
  smart_progress_dialog: ^0.0.8

Import it:

import 'package:images/images.dart';

✅ Tests

Smart Dialogs Plus includes complete widget and unit tests for the following:

SmartProgressController
SmartListLoader
SmartProgressDialog
SmartRefreshIndicator
SmartSnackBar

To run tests:

flutter test

🧠 Usage

1. Show Smart Loading Progress Dialog


SmartProgressDialog.startProgressDialog(
  context, // BuildContext
  color: Colors.black87, // Color of the progress dialog
  text: "Loading...", // Text to display in the dialog
);

2. Stop Smart Progress Dialog


SmartProgressDialog.stopProgressDialog(
  context, // BuildContext
  state: SmartProgressState.success, // State of the dialog (success, error, warning)
  text: "Successful", // Text to display in the dialog
);

3. Show Smart Infinite Scroll List Loader

SmartListLoader(isLoading: isLoadingMore)

4. Show Smart Pull to Refresh

SmartRefreshIndicator(
  onRefresh: _refresh,
  child: ListView(...),
)

5. Show Smart Snack bar

SmartSnackBar.show(
    context, message, {
    title: "Hello Title!",
    type: SmartSnackBarType.success,
    duration: SmartSnackBarDuration.short, // Duration of the snack bar: short, long, or indefinite
    backgroundColor: Colors.green, // Custom background color
    position: SmartSnackBarPosition.top, // Position of the snack bar: top or bottom
    showIcon: true, // Show icon based on type
    customIcon: Icons.check_circle, // Custom icon if showIcon is true
    showCloseIcon: false, // Show close icon
    closeIconColor: Colors.white, // Color of the close icon
    onClose: () { // Optional callback when snack bar is closed
      // Handle close
    },
    action: SnackBarAction( // Optional action button
    label: "Undo",
    onPressed: () {
      // Handle action
    },
    ),
);

📂 File Structure

lib/
├── images.dart         # Export entry
└── src/
    ├── images.dart     # Main dialog
    ├── smart_progress_controller.dart # Dialog controller
    ├── smart_list_loader.dart         # Scroll loader
    ├── smart_refresh_indicator.dart   # Refresh wrapper
    ├── smart_snack_bar.dart           # Snackbar utility
    └── dialog_state.dart              # Enum definition

📸 Screenshots

Type	Preview
Loading
Success
Warning
Error
Snackbar
Refresh
Load More

Additional Resources

If want a more robust smart dialog, please check out Smart Dialogs Plus which is a more advanced version of this package with additional features and improvements.

📄 License

💡 Contributing

Got ideas for more widgets or improvements? Submit an issue or pull request on GitHub. Let’s make feedback in Flutter apps smarter — together!