In this post, we’ll dive into the key concepts and techniques for adjusting the size of a SurfaceView to match the camera preview’s aspect ratio and ensure a distortion-free display.

Register native C++ methods for Java to access them.

We will load a jpeg file as a texture image and render it on the screen.

Host machine: MacOS
Target device: Android armv8a

1. Use Android SurfaceView for rendering surface.
2. In native code, create a rendering thread and call OpenGL for rendering in the same thread.