switchCameras method

void switchCameras()

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() {
  // Skip switching when taking picture or recording video.
  if (controller.value.isTakingPicture || controller.value.isRecordingVideo) {
    return;
  }
  ++currentCameraIndex;
  if (currentCameraIndex == cameras.length) {
    currentCameraIndex = 0;
  }
  initCameras(cameraDescription: currentCamera);
}