velocity-pay-flutter/SPLASH_GIF_IMPLEMENTATION.md

GIF Splash Screen Implementation

Overview

This implementation adds a smooth GIF splash screen that appears after the native Android splash screen is removed. The GIF is displayed with elegant fade-in and scale animations, providing a seamless transition to the main app.

Features

• Smooth Animations: Fade-in and scale animations for a polished look
• GIF Support: Displays the assets/giphy.gif file with proper frame rate
• Error Handling: Graceful fallback if animations fail
• Responsive Design: Adapts to different screen sizes
• Clean Transition: Smooth transition to the main app after completion

Implementation Details

Files Modified/Created

1. pubspec.yaml: Added gif_view: ^0.4.0 dependency
2. lib/screens/splash_screen.dart: New splash screen widget
3. lib/main.dart: Modified to show splash screen first

How It Works

1. App Launch: The app starts with the native Android splash screen
2. Flutter Initialization: After Flutter initializes, the GIF splash screen appears
3. Animation Sequence:
   • Fade-in animation (1 second)
   • Scale animation with elastic curve (0.8 seconds)
   • GIF plays for 3 seconds
   • Fade-out animation (1 second)
4. Transition: Smoothly transitions to the main app

Animation Details

• Fade Animation: Uses Curves.easeInOut for smooth opacity transitions
• Scale Animation: Uses Curves.elasticOut for a bouncy, engaging effect
• Duration: Total splash screen duration is approximately 5 seconds
• Frame Rate: GIF plays at 30 FPS for smooth playback

Customization

To customize the splash screen:

1. Duration: Modify the delay in _startAnimations() method
2. GIF: Replace assets/giphy.gif with your preferred GIF
3. Animations: Adjust animation curves and durations
4. Styling: Modify colors, shadows, and border radius

Dependencies

• gif_view: ^0.4.0 - For GIF playback support

Usage

The splash screen automatically appears when the app launches. No additional configuration is required.

Testing

The implementation has been tested with:

• ✅ Debug build compilation
• ✅ GIF asset loading
• ✅ Animation performance
• ✅ Error handling
• ✅ Responsive design

Notes

• The GIF file must be placed in the assets/ directory
• The splash screen respects the app's theme settings
• Animations are optimized for smooth performance
• Error handling ensures the app continues even if animations fail