android

Learn how to debug Unity objects with scripts that fail in Android builds. Fix 'UnitDatabase.Instance is NULL!' errors and disappearing objects with proper Gradle configuration and script execution order.

Learn how to resolve 'Could not isolate parameters' error and AAPT2 dependency issues in Kotlin Multiplatform Mobile projects with Android Gradle Plugin 8.8.0. Fix build configuration problems and ensure compatibility.

Complete guide to fixing orientation locking in React Native New Architecture. Custom implementations and alternative solutions for Android orientation control.

Resolve 'kotlin.Unit' incompatible version error in Kotlin Android Studio after adding Firebase Cloud Messaging Java service. Upgrade Kotlin to 2.1.20, align Gradle, AGP, Java 17 for firebase messaging compatibility.

Step-by-step guide to starting Android applications and sending intents using ADB tools like adb shell am start. Covers setup, basic launches, data extras, troubleshooting for developers and testers.

Resolve Android Gradle build errors with duplicate META-INF/LICENSE files using merge instead of exclude. Preserve LeakCanary functionality while fixing build conflicts.

Learn how to resolve Vivo phone permission issues with TikTok when it's moved to an isolated space. Step-by-step solutions for photos and videos access problems.

Eliminate screen flicker when hiding AppBarLayout/SearchBar in Android WebView during scroll. Use NestedScrollView wrapper or NestedScrollWebView library for smooth Chrome/Opera-like behavior with CoordinatorLayout. Full code updates included.

Resolve npm error eresolve could not resolve in React Native after React Navigation updates for Google's 16kb rule. Upgrade to 7.x, install peer deps like reanimated, handle breaking changes, and test stability without app crashes.

Learn how to build an SMS/MMS messenger app like iMessage for offline communication with group messaging. Use Android SmsManager API, cloud gateways like Twilio, self-hosted solutions, or mesh networks for reliable messaging without internet.

Android MediaStore returns inconsistent casing like 'WhatsApp' vs 'whatsapp' for files in the same folder due to case-insensitive filesystems and scan snapshots. Normalize with canonical paths, LIKE queries, and RELATIVE_PATH for reliable WhatsApp media access.

Fix IconButton misalignment in Jetpack Compose rows despite Modifier.weight on inner Icon. Align perfectly with Text and Switch in grids by weighting the button and using fillMaxSize. Full code examples and tips.

Learn how to resolve Android installation errors using the android:installLocation manifest attribute to install apps on external storage.

Fix the 'Invoke-customs are only supported starting with Android 0 --min-api 26' error after updating Gradle build tools and Java compatibility in Android Studio.

Learn to use printf-style placeholders like %1$s in Android strings.xml for dynamic runtime substitution with getString(). Supports strings, ints, plurals, styling, and translations for robust apps.

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.

Learn to run fio with libaio on Android for raw UFS performance benchmarking, bypassing filesystem effects. Includes NDK build steps, root requirements, kernel checks, and sync/psync alternatives for accurate sequential/random bandwidth and latency.

Resolve 16KB page size warnings, zip-alignment errors, and Android 12 compatibility in Flutter apps for Google Play Store uploads. Upgrade AGP, enable uncompressed native libs, update plugins, and verify ELF alignments with readelf and bundletool.

Learn the differences between getContext(), getApplicationContext(), getBaseContext(), and 'this' in Android development. Understand when to use each context type to avoid memory leaks and crashes.

Explore building an offline messenger app using SMS/MMS without internet. Learn limitations of group chats like iMessage, Android SmsManager implementation, iOS challenges, and workarounds for true offline group SMS chats.