Learn
Practical tutorials and deep explanations grounded in reproducible environments, exact versions, and observable results.
Start learning your way
Learn by technology
Learning resources
Learning search
10 results
Existing library
The Android Geocoder message “java.io.IOException: grpc failed” is a service failure, not proof that coordinates or permissions are wrong. Use the modern asynchronous API, keep legacy calls off the main thread, separate empty results from errors, and design a graceful fallback.
Android’s `Build` and `Build.VERSION` APIs expose platform and firmware metadata, but those values serve different purposes. Use the numeric API level for compatibility checks, treat display strings as diagnostics, and avoid turning hardware fields into tracking identifiers.
A PopupMenu temporarily owns window focus, so Android may reveal system bars. Use the current WindowInsets controller, track whether fullscreen remains desired, and restore bars only after focus returns or the popup is dismissed—without fighting system gestures or accessibility.
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.
Extract video duration, resolution, audio album art, and frame thumbnails in Android using MediaMetadataRetriever for local files and remote HTTP URLs.
Managing Android applications as system apps or priv-apps can be crucial for developers and advanced users who … Read more
Kotlin initializes the variables in different way than JAVA hence if you are too much used to … Read more
If you have some prebuilt android application apk for which you need to know what are the … Read more
When we were developing the JNI example as mentioned in our another post, “Java Native Interface ( … Read more
