Called when a picture is taken. @param cameraView The associated {@link CameraView}. @param bitmap JPEG data.

将px值转换为dip或dp值，保证尺寸大小不变 @param context @param pxValue @return

将px值转换为sp值，保证文字大小不变 @param context @param pxValue @return

Remove a callback. @param callback The {@link Callback} to remove. @see #addCallback(Callback)

@param adjustViewBounds {@code true} if you want the CameraView to adjust its bounds to preserve the aspect ratio of camera. @

@return {@code true} if the aspect ratio was changed.

设置是否自动对焦 @param autoFocus

设置是否自动轮播 @param isAuto

设置裁剪框的宽

设置是否显示指示器 @param flag

设置遮罩层透明度 @param alpha

设置裁剪框以外的颜色 @param overlayColor color resId or color int(ex. 0xFFFFFFFF)

设置拍摄结果存储路径 @param path

将sp值转换为px值，保证文字大小不变 @param context @param spValue @return

Open a camera device and start showing camera preview. This is typically called from {@link Activity#onResume()}.

@return {@code true} if the implementation was able to start the camera session.

Stop camera preview and close the device. This is typically called from {@link Activity#onPause()}.

停止播放

Take a picture. The result will be returned to {@link Callback#onPictureTaken(CameraView, Bitmap)}.