兼容性问题

[FengHuoLianCheng]

java.lang.RuntimeException: Camera is being used after Camera.release() was called at com.wildma.idcardcamera.camera.CameraActivity.takePhoto(CameraActivity.java:201)

建议作者加上 mCamera.setPreviewCallback(null);

[kimiangel]

请问加的这句话写放哪里，我是用也会报这个错