小賢的部落格

參考資料：

https://developer.apple.com/library/ios/documentation/Photos/Reference/PHPhotoLibrary_Class/index.html#//apple_ref/occ/cl/PHPhotoLibrary

https://segmentfault.com/q/1010000000140300

http://stackoverflow.com/questions/24319586/how-do-i-create-a-uiimage-from-a-cgimage-in-swift

http://stackoverflow.com/questions/3837115/display-image-from-url-retrieved-from-alasset-in-iphone

https://stackoverflow.com/questions/29009621/url-of-image-after-uiimagewritetosavedphotosalbum-in-swift/29012005#29012005

http://www.techotopia.com/index.php/An_Example_Swift_iOS_8_iPhone_Camera_Application