SRDownloadManager

A file download manager based on NSURLSession. Provide multitasking download at the same time and breakpoint download even exit the App funtion. Provide download status callback, download progress callback and download completion callback.

Features

• Support to customize the directory where the downloaded files are saved.
• Support to set maximum concurrent downloads and waiting for download queue mode.
• Support to delete the specified file by URL or name and clear all files that have been downloaded.

Installation

CocoaPods

Add pod 'SRDownloadManager' to the Podfile, then run pod install in the terminal.

Manual

Drag the SRDownloadManager folder to the project.

Usage

/**
 Starts a file download action with URL, download state, download progress and download completion block.

 @param URL        The URL of the file which to be downloaded.
 @param state      A block object to be executed when the download state changed.
 @param progress   A block object to be executed when the download progress changed.
 @param completion A block object to be executed when the download completion.
 */
- (void)downloadURL:(NSURL *)URL
              state:(void (^)(SRDownloadState state))state
           progress:(void (^)(NSInteger receivedSize, NSInteger expectedSize, CGFloat progress))progress
         completion:(void (^)(BOOL success, NSString *filePath, NSError *error))completion;

[[SRDownloadManager sharedManager] downloadURL:URL state:^(SRDownloadState state) {
    // Called when the download state changed.
} progress:^(NSInteger receivedSize, NSInteger expectedSize, CGFloat progress) {
    // Called when the download progress changed.
} completion:^(BOOL success, NSString *filePath, NSError *error) {
    // Called when the download completion.
}];

Custom

/**
 The directory where the downloaded files are saved, default is .../Library/Caches/SRDownloadManager if not setted.
 */
@property (nonatomic, copy) NSString *saveFilesDirectory;

/**
 The count of max concurrent downloads, default is -1 which means no limit.
 */
@property (nonatomic, assign) NSInteger maxConcurrentCount;

/**
 The mode of waiting for download queue, default is FIFO.
 */
@property (nonatomic, assign) SRWaitingQueueMode waitingQueueMode;

More

For more contens please see the demo.
Submit an issue or email me if you have any questions.