switchCameras method

void switchCameras()

The method to switch cameras. 切换相机的方法

Switch cameras in order. When the currentCameraIndex reached the length of cameras, start from the beginning. 按顺序切换相机。当达到相机数量时从头开始。

Implementation

void switchCameras() {
  ++currentCameraIndex;
  if (currentCameraIndex == cameras.length) {
    currentCameraIndex = 0;
  }
  initCameras(currentCamera);
}