[https://developer.android.com/reference/android/hardware/camera2/package-summary]
[https://github.com/google/cameraview]
[https://github.com/googlesamples/android-Camera2Basic]
Detecting camera features with Camera2 [https://medium.com/google-developers/detecting-camera-features-with-camera2-61675bb7d1bf]
Camera 2 API with Rx [https://habr.com/company/badoo/blog/330080/] [https://habr.com/company/badoo/blog/352318/]