How to create horizontal carousel in iOS 10 Swift 3 – Stack Overflow

Swift: Firebase 3 – How to Fix Image Bubble Sizing (Ep 18)

my review point is 9/10

https://youtu.be/FqDVKW9Rn_M?t=3m50s   getting image size ( 이미지obj.size.width, 이미지obj.size.height )

https://youtu.be/FqDVKW9Rn_M?t=22m57s   collection view에 요소가 추가되고 난후 새로운 위치로 scroll하는 경우 ( scrollToItemAtIndexPath )

Swift: Firebase 3 – How to Send Image Messages (Ep 17)

my review point is 8/10

https://youtu.be/R07TcmTR3w0?t=6m56s   imageview를 클릭하면 image picker가 화면에 표시되게 하는 작업 ( addGestureRecognizer , userInteractionEnabled , UIImagePickerController , presentViewController , UIImagePickerControllerDelegate , imagePickerControllerDidCancel , dismissViewControllerAnimated , 이미지픽커obj.allowEditing)

https://youtu.be/R07TcmTR3w0?t=11m40s   image picker 로 전달받은 이미지를 firebase로 업로드 하는 방법 ( FIRStorage.storage().reference().child() )