http://stackoverflow.com/questions/11373658/android-fail-to-connect-to-camera-service-on-targetsdkversion-change
http://stackoverflow.com/questions/2563973/android-fail-to-connect-to-camera
http://stackoverflow.com/questions/12705226/android-fail-to-connect-to-camera-service-at-camera-open
杀死进程
http://www.eoeandroid.com/archiver/tid-52223.html?page=1