mobile-dev
Mobile application development for various platforms
Diagnose and resolve 'Raster Jank Detected' in Flutter SDK 3.29.3 showModalBottomSheet with transparent backgrounds. Use Flutter DevTools for timeline, raster thread analysis, and optimizations like RepaintBoundary for smooth performance.
Why Siri ignores AppShortcuts after force-quitting your iOS app and how to fix it with supportedModes=.any, AppShortcutsProvider, and background execution for voice commands when app isn't running.
Learn how to optimize Flutter Stack widget performance for game boards with multiple layers. Advanced techniques for smooth rendering and improved frame rates.
Implement reliable Flutter animated splash screen with Lottie on Android 12+. Sync system launch screen, control animation timing using flutter_native_splash, installSplashScreen, and MethodChannel for smooth startup without premature playback or unresponsive taps.
Fix Bluetooth LE scan issues in Codename One on Android with proper permissions configuration and implementation. Works for iOS too.
Learn how to disable offline mode in applications, Windows systems, gaming platforms, and mobile devices. Step-by-step guides for removing offline functionality.
Learn how to maintain visibility of expanded items in SwiftUI ScrollView with LazyVStack. Solutions include offset tracking, scrollTo, and VStack alternatives.
Troubleshoot Android App Links exclusions: validate your assetlinks.json, confirm manifest intent-filter scope, and order dynamic_app_link_components correctly for Android 15.
Disable Y-axis scrolling in Highcharts Flutter. Steps: disable chart panning, set yAxis min/max, use afterSetExtremes to lock extremes, or disable yAxis scrollbar (Highstock).
iOS 26 UISlider .valueChanged event is blank, event.allTouches nil preventing phase detection (.began, .moved, .ended). Fixes: use touch events (.touchDown, .touchUpInside) or subclass UISlider overriding tracking methods.
Understand the difference between px, dp (dip), and sp units in Android UI development. Learn when to use android dp for layouts, android sp for text, and px for pixels, with conversion formulas and best practices.