Appointment Booking Seller UIKit

A: To install Flutter:

1. Download Flutter SDK from flutter.dev
2. Extract the zip file to your desired location (e.g., C:\src\flutter on Windows or ~/development/flutter on macOS/Linux)
3. Add Flutter to your PATH:
   • Windows: Add C:\src\flutter\bin to System Environment Variables
   • macOS/Linux: Add to ~/.bashrc or ~/.zshrc: export PATH="$PATH:/path/to/flutter/bin"
4. Run flutter doctor to verify installation and check for missing dependencies
5. Install any missing dependencies as suggested by flutter doctor

A: If flutter pub get fails, try these steps:

1. Check your internet connection
2. Run flutter clean to clear cached files
3. Update Flutter: flutter upgrade
4. Delete pubspec.lock and run flutter pub get again
5. Check pubspec.yaml for syntax errors
6. Verify your Flutter version is compatible: flutter --version
7. If using a proxy, configure it: flutter config --no-analytics or set HTTP_PROXY environment variable

A: To set up Android Studio:

1. Download and install Android Studio
2. Open Android Studio and go through the setup wizard
3. Install Android SDK (API 21 or higher) via SDK Manager
4. Install Flutter and Dart plugins:
   • Go to File → Settings → Plugins (Windows/Linux) or Android Studio → Preferences → Plugins (macOS)
   • Search for "Flutter" and install it (Dart plugin will be installed automatically)
5. Restart Android Studio
6. Create an Android Virtual Device (AVD) via Tools → Device Manager
7. Verify setup: flutter doctor

A: For iOS development on macOS:

1. Install Xcode from the Mac App Store
2. Open Xcode and accept the license agreement
3. Install additional components when prompted
4. Install CocoaPods: sudo gem install cocoapods
5. Open Terminal and run: sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer
6. Run flutter doctor to verify Xcode installation
7. If you see errors, run: sudo xcodebuild -license accept

A: This error means Flutter can't detect any device to run the app. Solutions:

• For Android:
  • Start an Android emulator from Android Studio (Tools → Device Manager → Start)
  • Or connect a physical device via USB and enable USB debugging
  • Verify with: flutter devices
• For iOS:
  • Start an iOS simulator from Xcode (Xcode → Open Developer Tool → Simulator)
  • Or connect an iPhone/iPad via USB
  • Verify with: flutter devices
• General: Make sure you have at least one device/emulator running before executing flutter run

A: To fix Gradle build failures:

1. Update Android SDK and build tools in Android Studio
2. Check android/build.gradle.kts for correct Gradle version
3. Clean Gradle cache: cd android && ./gradlew clean
4. Delete android/.gradle folder and rebuild
5. Update Gradle wrapper: Edit android/gradle/wrapper/gradle-wrapper.properties
6. Check for Java/JDK compatibility issues
7. Run flutter clean and flutter pub get
8. If using proxy, configure Gradle proxy settings in ~/.gradle/gradle.properties

A: To fix CocoaPods issues:

1. Update Ruby: brew install ruby (if using Homebrew)
2. Update CocoaPods: sudo gem install cocoapods
3. If permission errors occur, use: sudo gem install -n /usr/local/bin cocoapods
4. Clean pods: cd ios && rm -rf Pods Podfile.lock
5. Reinstall pods: pod install --repo-update
6. If still failing, try: pod deintegrate && pod install
7. Check Xcode command line tools: xcode-select --print-path

A: If assets aren't displaying:

1. Verify assets are declared in pubspec.yaml under the flutter: section:

   flutter:
     assets:
       - assets/images/
       - assets/icons/
     fonts:
       - family: Inter
         fonts:
           - asset: assets/fonts/Inter/Inter_Regular.ttf
             weight: 400

2. Check file paths are correct (case-sensitive on Linux/macOS)
3. Run flutter clean and flutter pub get
4. Restart the app completely (hot reload won't pick up new assets)
5. Verify asset file names don't contain special characters or spaces
6. Check that asset files exist in the specified directories
7. For SVG files, ensure flutter_svg package is installed (already included)

A: To change package identifiers:

• Android:
  1. Update android/app/build.gradle.kts: namespace = "com.yourcompany.appname"
  2. Update package name in android/app/src/main/AndroidManifest.xml
  3. Rename package folders in android/app/src/main/kotlin/ to match new package name
• iOS:
  1. Open ios/Runner.xcworkspace in Xcode
  2. Select Runner target → General tab
  3. Update Bundle Identifier to com.yourcompany.appname

A: To build release versions:

• Android APK: flutter build apk --release
• Android App Bundle: flutter build appbundle --release
• iOS:
  1. Run flutter build ios --release
  2. Open ios/Runner.xcworkspace in Xcode
  3. Select Product → Archive
  4. Follow the distribution wizard

Note: Make sure to configure signing certificates before building release versions.

A: To integrate your backend:

1. Add HTTP package to pubspec.yaml: http: ^1.0.0 or dio: ^5.0.0 (dio is already included)
2. Create API service class in lib/network/ directory (structure already provided)
3. Update controllers in lib/screens/[feature]/[feature]_controller.dart to call your API
4. Replace demo data in lib/data/demo_data.dart with API responses
5. Implement error handling and loading states
6. Add authentication tokens/headers to API requests
7. Test API integration thoroughly before deployment

A: If the app crashes on startup:

1. Check console/logs for error messages
2. Run flutter clean and rebuild
3. Verify all dependencies are installed: flutter pub get
4. Check for null safety issues in your code
5. Verify all required assets exist and are properly declared
6. Check main.dart for initialization errors
7. Review platform-specific configurations (AndroidManifest.xml, Info.plist)
8. Try running on a different device/emulator

A: To update Flutter:

1. Run flutter upgrade in terminal
2. If upgrade fails, manually download the latest Flutter SDK and replace your current installation
3. Run flutter doctor to verify the update
4. Update your project dependencies: flutter pub upgrade
5. Check for breaking changes in the Flutter release notes

A: Yes, this UI Kit is designed for commercial use. However:

• Review the license file included with the package
• Ensure you have proper licenses for any third-party assets or fonts
• Customize the design to match your brand identity
• Replace all demo data with your actual content
• Test thoroughly before deploying to production

A: To customize the app theme:

1. Open lib/core/values/app_colors.dart
2. Update color constants with your brand colors
3. Modify theme settings in lib/main.dart if needed
4. Hot restart the app to see changes (hot reload may not apply theme changes)
5. Test on both light and dark backgrounds if applicable

A: All demo data is centralized in one file for easy management:

• Location: lib/data/demo_data.dart
• What's included:
  • Appointment data (allAppointments)
  • FAQ list (faqList)
  • Chat messages (chatMessages)
  • Notifications (notifications)
  • Payment methods (paymentMethods)
  • Withdrawal amounts (quickWithdrawAmounts)
  • And more...
• To update: Simply edit the values in lib/data/demo_data.dart or replace the data with API calls in your controllers
• To remove demo data: Update controllers to fetch data from your API instead of using DemoData class

A: To change the default font:

1. Add your font files to assets/fonts/ directory
2. Update pubspec.yaml to include your font:

   flutter:
     fonts:
       - family: YourFontName
         fonts:
           - asset: assets/fonts/YourFontName/YourFontName_Regular.ttf
             weight: 400

3. Update lib/core/values/app_values.dart:

   static const String fontName = 'YourFontName';

4. Run flutter pub get
5. Hot restart the app

A: Key project locations:

• Main Entry: lib/main.dart
• Routes: lib/routes/app_routes.dart and app_pages.dart
• Demo Data: lib/data/demo_data.dart
• Colors & Theme: lib/core/values/app_colors.dart and theme_data.dart
• App Values: lib/core/values/app_values.dart (font name, button radius, etc.)
• Images/Icons: lib/core/values/app_images.dart
• Screens: lib/screens/[feature]/ (37+ screens)
• Widgets: lib/core/widgets/ (reusable components)
• Dialogs: lib/core/dialogs/ (reusable dialogs)
• Network Layer: lib/network/ (API integration structure)

See the File Structure section for complete details.