Camera2 API is the newer API for controlling camera devices on Android. Although it is often used in cam apps from an Activity or Fragment, there might be some use cases where you want to acquire and process camera frames in the background while other apps are in the foreground.
Just recently I s...
Android 7.0 Nougat (API level 24) introduced the native camera API, which finally allowed fine-grained control of camera directly from C++.
The new API allows you to access image data directly in C, without the need to pass them from Java. Therefore, there might be some (small) performance ga...