cokecoffe

//
//  UIView+DEFrameAdditions.h
//
//  Copyright (c) 2011-2013 Double Encore, Inc. All rights reserved.
//
//  Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
//  Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
//  Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer
//  in the documentation and/or other materials provided with the distribution. Neither the name of the Double Encore Inc. nor the names of its
//  contributors may be used to endorse or promote products derived from this software without specific prior written permission.

cokecoffe

//
//   ______    ______    ______    
//	/\  __ \  /\  ___\  /\  ___\   
//	\ \  __<  \ \  __\_ \ \  __\_ 
//	 \ \_____\ \ \_____\ \ \_____\ 
//	  \/_____/  \/_____/  \/_____/ 
//
//	Copyright (c) 2012 BEE creators
//	http://www.whatsbug.com
//

cokecoffe

//
//  UXAppDelegate.m
//  Dispatch_queue
//
//  Created by wang keke on 13-3-11.
//  Copyright (c) 2013年 uxin. All rights reserved.
//

#import "UXAppDelegate.h"

cokecoffe

//The following function saves UIImage in test.png file in the user Document folder:
- (void)saveImage: (UIImage*)image
{
    if (image != nil)
    {
        NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, 
                      NSUserDomainMask, YES);
        NSString *documentsDirectory = [paths objectAtIndex:0];
        NSString* path = [documentsDirectory stringByAppendingPathComponent: 
                       [NSString stringWithString: @"test.png"] ];

cokecoffe

#import <Foundation/Foundation.h>

#import "AFHTTPClient.h"

@interface APIClient : AFHTTPClient

+ (APIClient *)sharedClient;

@end

cokecoffe

//创建一个下载队列
dispatch_queue_t downloadQueue = dispatch_queue_create("flickr downloader", NULL);

dispatch_async(downloadQueue, ^{
    //在这里做一些需要资源的任务
  
    //分发两个行队列，分别执行do_first_work,do_second_work
    dispatch_group_t group = dispatch_group_create();
    dispatch_group_async(group,dispatch_get_global_queue(0,0),^{
        do_frist_work();