I think we may hit the issue of this problem: http://stackoverflow.com/questions/21709940/qt-capture-qcamera-too-dark
example here have the same issue. http://qt-project.org/doc/qt-5/qml-qtmultimedia-cameracapture.html#details -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to camera-app in Ubuntu. https://bugs.launchpad.net/bugs/1368063 Title: The photo captured by Camera app show darkness. Status in Camera App: New Status in OEM Priority Project: New Status in “camera-app” package in Ubuntu: New Bug description: Install Ubuntu 14.04 and boot into OS. Opened Camera app from dash home.Clicked the roundness button to capture photos. View the photos in /home/pictures.Found the photos show darkness. Steps to Reproduce: 1.Boot into OS. 2.Opened Camera app from dash home. 3.Clicked the roundness button to capture photos. 4.View the photos in /home/pictures. 5.Found the photos show darkness. To manage notifications about this bug go to: https://bugs.launchpad.net/camera-app/+bug/1368063/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp