SDWebImage 4.3.3

SDWebImage 4.3.3

TestsTested
LangLanguage Obj-CObjective C
License MIT
ReleasedLast Release Mar 2018

Maintained by Olivier Poitrey, Bogdan Poplauschi, Olivier Poitrey, DreamPiggy.


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Code

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LOCLines of Code 4,251


  • By
  • Olivier Poitrey

Build Status Pod Version Pod Platform Pod License Dependency Status Reference Status Carthage compatible codecov

This library provides an async image downloader with cache support. For convenience, we added categories for UI elements like UIImageView, UIButton, MKAnnotationView.

Features

  • Categories for UIImageView, UIButton, MKAnnotationView adding web image and cache management
  • An asynchronous image downloader
  • An asynchronous memory + disk image caching with automatic cache expiration handling
  • A background image decompression
  • A guarantee that the same URL won't be downloaded several times
  • A guarantee that bogus URLs won't be retried again and again
  • A guarantee that main thread will never be blocked
  • Performances!
  • Use GCD and ARC

Supported Image Formats

  • Image formats supported by UIImage (JPEG, PNG, ...), including GIF
  • WebP format, including animated WebP (use the WebP subspec)

Requirements

  • iOS 7.0 or later
  • tvOS 9.0 or later
  • watchOS 2.0 or later
  • macOS 10.9 or later
  • Xcode 7.3 or later

Backwards compatibility

Getting Started

Who Uses It

Communication

  • If you need help, use Stack Overflow. (Tag 'sdwebimage')
  • If you'd like to ask a general question, use Stack Overflow.
  • If you found a bug, open an issue.
  • If you have a feature request, open an issue.
  • If you want to contribute, submit a pull request.

How To Use

  • Objective-C
#import <SDWebImage/UIImageView+WebCache.h>
...
[imageView sd_setImageWithURL:[NSURL URLWithString:@"http://www.domain.com/path/to/image.jpg"]
             placeholderImage:[UIImage imageNamed:@"placeholder.png"]];
  • Swift
import SDWebImage

imageView.sd_setImage(with: URL(string: "http://www.domain.com/path/to/image.jpg"), placeholderImage: UIImage(named: "placeholder.png"))

Animated Images (GIF) support

  • Starting with the 4.0 version, we rely on FLAnimatedImage to take care of our animated images.
  • If you use cocoapods, add pod 'SDWebImage/GIF' to your podfile.
  • To use it, simply make sure you use FLAnimatedImageView instead of UIImageView.
  • Note: there is a backwards compatible feature, so if you are still trying to load a GIF into a UIImageView, it will only show the 1st frame as a static image by default. However, you can enable the full GIF support by using the built-in GIF coder. See GIF coder
  • Important: FLAnimatedImage only works on the iOS platform. For macOS, use NSImageView with animates set to YES to show the entire animated images and NO to only show the 1st frame. For all the other platforms (tvOS, watchOS) we will fallback to the backwards compatibility feature described above

Installation

There are three ways to use SDWebImage in your project:

  • using CocoaPods
  • using Carthage
  • by cloning the project into your repository

Installation with CocoaPods

CocoaPods is a dependency manager for Objective-C, which automates and simplifies the process of using 3rd-party libraries in your projects. See the Get Started section for more details.

Podfile

platform :ios, '7.0'
pod 'SDWebImage', '~> 4.0'

If you are using Swift, be sure to add use_frameworks! and set your target to iOS 8+:

platform :ios, '8.0'
use_frameworks!

Subspecs

There are 4 subspecs available now: Core, MapKit, GIF and WebP (this means you can install only some of the SDWebImage modules. By default, you get just Core, so if you need WebP, you need to specify it).

Podfile example:

pod 'SDWebImage/WebP'

Installation with Carthage (iOS 8+)

Carthage is a lightweight dependency manager for Swift and Objective-C. It leverages CocoaTouch modules and is less invasive than CocoaPods.

To install with carthage, follow the instruction on Carthage

Cartfile

github "rs/SDWebImage"

Installation by cloning the repository

Import headers in your source files

In the source files where you need to use the library, import the header file:

#import <SDWebImage/UIImageView+WebCache.h>

Build Project

At this point your workspace should build without error. If you are having problem, post to the Issue and the community can help you solve it.

Author

Collaborators

Licenses

All source code is licensed under the MIT License.

Architecture