android

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.

Discover why Android native malloc allows 1GB+ overcommit beyond RAM without access, but lmkd kills the process during memset due to page faults and PSI pressure. No low memory callbacks; debug with mallinfo and heapprofd.

Step-by-step guide to set up NTAG213 password protection using Android NFC NfcA. Configure PWD, PACK, AUTH0, ACCESS bytes, perform PWD_AUTH, and test writes with transceive examples and error handling.

Run fio with libaio on Android for raw UFS performance benchmarking, bypassing filesystem effects. Custom NDK builds, root access, sync/psync alternatives, kernel tracing, and vendor tools for seq/rand bandwidth and latency.

Step-by-step guide to set launcher icon for Android apps using Android Studio Image Asset Studio. Covers icon sizes (mdpi 48x48 to xxxhdpi 192x192), adaptive icons, densities, and manifest updates for perfect scaling across devices.

Resolve 'No matching client found' error for Google Analytics in Android apps with multiple product flavors and custom build types. Use one google-services.json with multiple clients for all variants without separate files.

Learn how to align views at the bottom of the screen in Android while making the first item fill remaining space using LinearLayout weights or ConstraintLayout.

Learn how to install ADB (Android Debug Bridge) on macOS for terminal usage. Complete beginner's guide covering Homebrew and manual installation, USB debugging setup, and essential commands.

Learn how to fix Gradle configuration errors in multi-module Android applications using Kotlin DSL and version catalogs.

Learn to retrieve Android SDK version and API level programmatically using Build.VERSION.SDK_INT in Java and Kotlin. Includes runtime checks, compatibility table, and best practices for android sdk versions and android api levels.

Fix html height 100 and html body height 100 issues in Savannah Browser on Android. Use 100dvh for dynamic viewport height and JS --vh fallback to eliminate blank space below content and ensure full window height.

Resolve duplicate class errors like org.hamcrest.BaseDescription in Android Gradle projects when adding json-simple. Learn excludes, resolutionStrategy force, and substitution for Gradle 8.3 and Android Studio Otter 2.

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.

Step-by-step fixes for Facebook password reset loop in Account Center, auto-login after logout, and untrusted device error on Android/iPhone. Clear cache, browser data, log out sessions, enable 2FA.

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.

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.