🔥 How to Integrate Firebase into Your Android App (Complete 2025 Guide)
Firebase by Google offers a powerful set of tools to help you build, grow, and scale Android … Read more
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Android Studio
Create Adaptive and Themed Android App Icons
An Android launcher icon is a layered resource, not a pre-cropped rounded PNG. Build separate foreground, background, and monochrome artwork, let the launcher apply its mask and tint, and keep the Google Play listing asset separate.
Build an Android AAR Library That Is Ready to Share
Creating an Android library module is the easy click. Making its AAR safe for another app requires a deliberate API, resource and manifest hygiene, consumer shrinker rules, compatibility metadata, tests, and a distribution path that preserves dependencies.
Add a Local AAR Dependency to an Android Project
A precompiled AAR can be linked directly from an app module, but the file carries no Maven dependency metadata. Here is the clean Gradle setup, plus the checks that prevent missing classes, resource conflicts, native ABI surprises, and release-only failures.
Set Up Flutter on Ubuntu and Read flutter doctor
Build a reliable Flutter development environment on Ubuntu, then prove each layer works. This setup covers the Flutter SDK, Android toolchain, licenses, emulator or USB device, a real test app, and the difference between required and optional flutter doctor checks.
Build Your First Android App with Kotlin and Compose
Create a small but real Android app in modern Android Studio using Kotlin and Jetpack Compose. You will choose a package and minimum SDK, understand the generated project, build stateful UI, preview and test it, deploy to an emulator or phone, inspect logs, produce a debug APK, and know what changes for release.
Fix “buildOutput.apkData must not be null” Safely
The internal `buildOutput.apkData must not be null` exception belongs mainly to older Android Studio 3.5-era builds. A project-local clean often repaired stale APK metadata, but modern diagnosis should first identify the exact Gradle wrapper, Android Gradle Plugin, JDK, IDE, task, and plugin combination.
Building Android AAR Libraries and Linking Module API Methods
Learn how to create an Android AAR library module in Gradle, define public API interfaces, link local module dependencies, and invoke library functions.
Extracting Audio and Video Metadata in Android using MediaMetadataRetriever
Extract video duration, resolution, audio album art, and frame thumbnails in Android using MediaMetadataRetriever for local files and remote HTTP URLs.
Restarting the ADB Server Background Daemon to Resolve Connection Errors
Learn how adb kill-server and adb start-server work, resolve port 5037 conflicts, and fix ADB device connection issues in Android Studio.