GitHub - cezarc1/LoadingImageView: Loading Indicator for UIImageView, written in Swift.

Loading Indicator for UIImageView written in Swift.

Simple to use
Handles network calls and background image decoding.
Background decoding of Images
Handles Error states and retrying download.
Handles offline caching. Coming soon.

###Cocoapod

###USAGE

As simple as

import LoadingImageView

let imageView = LoadingImageView()
view.addSubview(imageView)
let imageURL = NSURL(string: "https://catfishes.files.wordpress.com/2013/03/cat-breaded.jpg")
imageView.downloadImage(imageURL, placeholder: nil)

####API

var state: LoadingImageState 
weak var delegate: LoadingImageViewDelegate?
var inset: Float
var lineWidth: Float
var lineColor: UIColor    
var reloadImage: UIImage 

func downloadImage(URL: NSURL, placeholder:UIImage?)->NSURLSessionDownloadTask

####Delegate and State

enum LoadingImageState {
  case Idle
  case Downloading(NSURLSessionDownloadTask)
  case Errored(NSURLSessionDownloadTask, NSError)
}

protocol LoadingImageViewDelegate : NSObjectProtocol {
  func loadingImageViewStateChanged(imageView: LoadingImageView, state: LoadingImageState)
  func shouldAttemptRetry(imageView: LoadingImageView)->Bool
  func imageForReloadState(imageView: LoadingImageView)->UIImage
}

####Storyboard, Support for IBInspectable