Java开发问题

Android camera , onPictureTaken(byte[] imgData, Camera camera) method amp; PictureCallback never called(Android camera , onPictureTaken(byte[] imgData, Camera camera) 方法 amp;PictureCallback 从未调用过)
Understanding the libGDX Projection Matrix(了解 libGDX 投影矩阵)
QR code reading with camera - Android(使用相机读取二维码 - Android)
IP camera with OpenCv in Java(Java中带有OpenCv的IP摄像头)
Android mock Camera(Android 模拟相机)
Multiple cameras in libgdx ( probably similar in other frameworks )(libgdx 中的多个摄像头(在其他框架中可能类似))
How to use Camera to take picture in a background Service on Android?(如何使用相机在Android上的后台服务中拍照?)
Android -- How does Google+ instant upload work?(Android -- Google+ 即时上传如何工作?)
How Camera works in Libgdx and together with Viewport(Camera 如何在 Libgdx 和 Viewport 中工作)
ONVIF - beginning of Device discovery(ONVIF - 设备发现的开始)
MediaStore.EXTRA_OUTPUT renders data null, other way to save photos?(MediaStore.EXTRA_OUTPUT 呈现数据为空,其他保存照片的方式?)
How to show 2 camera preview side by side?[For cardboard apps](如何并排显示 2 个摄像头预览?[对于纸板应用程序])