Mobile Dev
Questions about iOS, Android development, SDKs, and mobile apps.
Fix left alignment of Heart icon in React Navigation Stack.Screen headerRight using Tailwind. Override with headerRightContainerStyle for perfect centering in react native navigation across iOS and Android.
Troubleshoot Unity Google Play Games leaderboards: verify leaderboard ID, publish Play Games config, match SHA1/OAuth, initialize PlayGamesPlatform, enable debug logs.
Learn how to consistently set Android navigation bar color in Expo using expo-navigation-bar. Fix black on Redmi, dim gray on OnePlus with app.json config, runtime API, and EAS Build for uniform results across devices.
Fix QTextEdit overlap with Android keyboard in Qt: use android:windowSoftInputMode=adjustPan and QInputMethod::keyboardRectangle to keep widgets visible.
Discover why cat emojis look creepy on iPhone but cute on Android. Unicode standardizes code points, but Apple and Google designs differ in eyes, shading, and proportions for unique vibes in iPhone emoji and Android emoji.
StoreKit restore won't detect legacy App Store lifetime purchases. Validate receipts or use StoreKit 2/AppTransaction to preserve lifetime access securely.
Step-by-step guide to find, diagnose and fix libsc-native-lib.so 16KB page-size alignment for arm64-v8a. Tools, linker flags, packaging, CI checks and NDK r28+
Learn why Swift Package Manager can't set Other Metal Compiler Flags directly in Package.swift and how to enable -fmetal-enable-logging using MetalCompilerPlugin, debug.metallib, and alternatives for Metal shaders.
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.
Can a desktop license unlock mobile Pro features via device sync? Read Apple App Store & Google Play billing rules and compliant options like server accounts.
Why your iOS C function gets stripped in TestFlight builds causing dlsym NULL and crashes, but works in Xcode. Fix with attributes, build settings, linker flags, and dynamic frameworks.
Understand TipKit's expected dismissal behavior in SwiftUI: tapping outside dismisses visually but doesn't mark as displayed. Learn permanent dismissal patterns with MaxDisplayCount, Rules, Events, and gestures for iOS 17+ apps.
iOS 26 .pageSheet freezes on Pro Max devices when UIDesignRequiresCompatibility=YES. Reproducer, Instruments/sysdiagnose debugging steps, root-cause hypotheses, and safe workarounds.
Discover why Android apps can't directly detect uninstall or call APIs. Use server-side FCM silent pushes for reliable android app uninstall detect, with DeviceAdmin limitations, broadcasts, and best practices for server notifications.
Automate Bluetooth tests on Android for React Native apps using Detox for UI flows. Combine with Espresso or peripheral simulators to verify BLE/GATT behavior.
Learn how to return a custom struct from AppIntent's perform() in Swift without AppEntity. Use ShowsSnippetView for UI, ProvidesDialog for text, or AppEntity for structured values in AppIntents.
Master smooth horizontal autoscroll in SwiftUI ScrollView during edge drags. Keep dragged items under finger using coordinate conversion, ScrollViewReader, and avoid CADisplayLink stutters for pixel-perfect alignment.
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.
Prevent react-native-video from shrinking in fullscreen landscape when swiping Android navigation bar. Use useTextureView={false} for SurfaceView to keep video fullscreen, avoid black bars and home screen leaks. Android tips included.