在Android中打开不支持同时闪光灯的手电筒和摄像头

boolean isFlashSupported = getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH);

Camera camera = Camera.open();
Camera.Parameters parameters = camera.getParameters();
parameters.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
camera.setParameters(parameters);
camera.startPreview();

Camera camera = Camera.open();
SurfaceTexture surfaceTexture = new SurfaceTexture(0);
camera.setPreviewTexture(surfaceTexture);
camera.startPreview();