Mobile Dev
Questions about iOS, Android development, SDKs, and mobile apps.
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.
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.
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 how to access video dimensions in expo-video without naturalSize. Implement Instagram-style pixel-perfect video players with proper dimension handling.
Used Chinese phones (Android 8+) safe to root without official bootloader unlocks: OnePlus, POCO F1, Snapdragon Redmi Note. Pre-purchase checks and root methods.
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.
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.
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.
Learn how to optimize Flutter Stack widget performance for game boards with multiple layers. Advanced techniques for smooth rendering and improved frame rates.
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.
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.
Learn how to set up auto-click functionality for TeamViewer on Android without coding. Explore accessibility services and MacroDroid solutions that work across all network types.
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.
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.
Fix Bluetooth LE scan issues in Codename One on Android with proper permissions configuration and implementation. Works for iOS too.
Implement the native iOS swipe transition effect seen in the Camera app's mode switcher or Safari's tab groups. Explore UIKit and SwiftUI approaches for the 'Liquid Glass' interaction.