- ProgressBar in activity_main.xml (top of screen)
- LoadingProgress.kt utility with WebChromeClient
- Shows during page load, hides on complete
- Smooth UX with slight hide delay
Integration: webView.setupProgressBar(binding.progressBar)
- error.html: User-friendly error page with retry button
- ErrorHandler.kt: Utility for handling WebView errors
- ErrorHandlerTest.kt: Unit tests for error handling
Shows friendly error page on network failures instead of blank/broken page.
Includes error code display and one-tap retry.