enum {
   UIViewAutoresizingNone                 = 0,
   UIViewAutoresizingFlexibleLeftMargin   = 1 << 0,
   UIViewAutoresizingFlexibleWidth        = 1 << 1,
   UIViewAutoresizingFlexibleRightMargin  = 1 << 2,
   UIViewAutoresizingFlexibleTopMargin    = 1 << 3,
   UIViewAutoresizingFlexibleHeight       = 1 << 4,
   UIViewAutoresizingFlexibleBottomMargin = 1 << 5
};

pendulum = [[PendulumView alloc] initWithFrame:self.view.bounds ballColor:ballColor ballDiameter:35];
  pendulum.hidesWhenStopped = NO;
  [self.view addSubview:pendulum];

SONFillAnimation *animation = [[SONFillAnimation alloc] initWithNumberOfRows:3 columns:3 animationType:SONFillAnimationTypeDefault];
animation.direction = SONFillAnimationDirectionLeftToRightAndTopDown;
animation.duration = 0.3;
animation.xDelay = 0.1;
animation.yDelay = 0.2;
[animation animateView:view completion:^{}];

pod 'AVOSCloud'

pod 'AVOSCloundUI'

pod 'AVOSCloundSNS'

# import <AVOSClound/AVOSCloud.h>;

[AVOSClound setApplicationId:@"" clientKey:@""];

[AVAnalytics trackAppOpenedWithLaunchOptions:launchOptions];

AVObject *gameScore = [AVObject objectWithClassName:@"GameScore"];
[gameScore setObject:[NSNumber numberWithInt:1337] forKey:@"score"];
[gameScore setObject:@"Steve" forKey:@"playerName"];
[gameScore setObject:[NSNumber numberWithBool:NO] forKey:@"cheatMode"];
[gameScore save];

NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];

[userDefaults setObject:nameField.text forKey:UserDefayltNameKey];

[userDefaults setBool:YES forKey:UserDefaultBoolKey];

[userDefaults objectForKey:UserDefaultNameKey];
[userDefaults boolForKey:UserDefaultBoolKey];

Sets the 'z' coordinate in the position. It is the OpenGL Z vertex value.

platform :ios, '7.0'
pod "AFNetworking", "~> 2.0"

AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
[manager GET:@"http://example.com/resources.json" parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {
    NSLog(@"JSON: %@", responseObject);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
    NSLog(@"Error: %@", error);
}];

AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
NSDictionary *parameters = @{@"foo":@"bar"};
[manager GET:@"http://example.com/resources.json" parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {
    NSLog(@"JSON: %@", responseObject);
} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
    NSLog(@"Error: %@", error);
}];

AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];
NSDictionary *parameters = @{@"foo":@"bar"};
NSURL *filePath = [NSURL fileURLWithPath:@"file://path/to/image.png"];
[manager POST:@"http://example.com/resources.json" parameters:parametes construtingBodyWithBlock:^(id<AFMultipartFormData> formData){
	[formData appendPartWithFileUrl:filePath name:@"image" error:nil];
} success:^(AFHTTPRequestOperation *operation,id responseObject){
	NSLog(@"Success:%@",responseObject);
}failure:^(AFHTTPRequestOperation *operation,NSError *error)){
	NSLog(@"Error:%@",error);
}];

NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration];

NSURL *URL = [NSURL URLWithString:@"http://example.com/download.zip"];
NSURLRequest *request = [NSURLRequest requestWithURL:URL];

NSURLSessionDownloadTask *downloadTask = [manager downloadTaskWithRequest:request progress:nil destination:^NSURL *(NSURL *targetPath, NSURLResponse *response) {
    NSURL *documentsDirectoryPath = [NSURL fileURLWithPath:[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject]];
    return [documentsDirectoryPath URLByAppendingPathComponent:[response suggestedFilename]];
} completionHandler:^(NSURLResponse *response, NSURL *filePath, NSError *error) {
    NSLog(@"File downloaded to: %@", filePath);
}];
[downloadTask resume];

NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration];

NSURL *URL = [NSURL URLWithString:@"http://example.com/upload"];
NSURLRequest *request = [NSURLRequest requestWithURL:URL];

NSURL *filePath = [NSURL fileURLWithPath:@"file://path/to/image.png"];
NSURLSessionUploadTask *uploadTask = [manager uploadTaskWithRequest:request fromFile:filePath progress:nil completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) {
    if (error) {
        NSLog(@"Error: %@", error);
    } else {
        NSLog(@"Success: %@ %@", response, responseObject);
    }
}];
[uploadTask resume];

NSMutableURLRequest *requst = [[AFHTTPRequestSerializer serializer] multipartFormRequestWithMethod:@"POST" URLString:@"http://example.com/upload" parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
	[formData appendPartWithFileURL:[NSURL fileURLWithPath:@"file://path/to/image.jpg"] name:@"file" fileName:@"filename.jpg" mimeType:@"image/jpeg" error:nil];
}error:nil];

AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfigguration:[NSURLSessionConfiguration defaultSessionConfiguration]];
NSProgress *progress = nil;
NSURLSessionUploadTask *uploadTask = [Manager uploadTaskWithStreamedRequest:request progress:&progress completionHandler:^(NSURLResponse *response,id responseObject,NSError *error){
	if(error){
		NSLog(@"Error:%@",error);
	}else{
		NSLog(@"%@,%@",response,responseObject);
	}
}];
[uploadTask resume];

NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration];

NSURL *URL = [NSURL URLWithString:@"http://example.com/upload"];
NSURLRequest *request = [NSURLRequest requestWithURL:URL];

NSURLSessionDataTask *dataTask = [manager dataTaskWithRequest:request completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) {
    if (error) {
        NSLog(@"Error: %@", error);
    } else {
        NSLog(@"%@ %@", response, responseObject);
    }
}];
[dataTask resume];
[ dataTask  简历];

NSString * URLString = @"http://example.com";
NSDictionary * parmeters = @{@"foo":@"bar",@"baz":@[@1,@2,@3]};

[[AFHTTPRequestSerializer serializer] requestWithMethod:@"POST" URLString:URLString parameters:parameters];

[[AFJSONRequestSerializer serializer] requestWithMethod:@"POST" URLString:URLString parameters:parameters];

[[AFNetworkReachabilityManager sharedManager] setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) {
    NSLog(@"Reachability: %@", AFStringFromNetworkReachabilityStatus(status));
}];

NSURL *baseURL = [NSURL URLWithString:@"http://example.com/"];
AFHTTPRequestOperationManager *manager = [[AFHTTPRequestOperationManager alloc] initWithBaseURL:baseURL];

NSOperationQueue *operationQueue = manager.operationQueue;
[manager.reachabilityManager setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) {
    switch (status) {
        case AFNetworkReachabilityStatusReachableViaWWAN:
        case AFNetworkReachabilityStatusReachableViaWiFi:
            [operationQueue setSuspended:NO];
            break;
        case AFNetworkReachabilityStatusNotReachable:
        default:
            [operationQueue setSuspended:YES];
            break;
    }
}];

+ (NSString *) cacheDirectory {
NSArray* paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
    NSString* cacheDirectory = [paths objectAtIndex:0];
    // 添加目录后缀
    cacheDirectory = [cacheDirectory stringByAppendingPathComponent:@"ZTCaches"];
    return cacheDirectory;
}

+ (void) resetCache {
    [[NSFileManager defaultManager] removeItemAtPath:[ZTCache cacheDirectory] error:nil];
}

+ (void) setObject:(NSData *)data forKey:(NSString *)key{
    NSFileManager *fileManager = [NSFileManager defaultManager];
    NSString *filename = [self.cacheDirectory stringByAppendingPathComponent:key];
    BOOL isDir = YES;
    // 如果缓存目录不存在需要创建缓存目录
    if (![fileManager fileExistsAtPath:self.cacheDirectory isDirectory:&isDir]) {
        // 创建目录
        [fileManager createDirectoryAtPath:self.cacheDirectory withIntermediateDirectories:NO attributes:nil error:nil];
    }
    NSError *error;
    @try {
        [data writeToFile:filename options:NSDataWritingAtomic error:&error];
    }
    @catch (NSException *exception) {
        //
    }
}

+ (NSData *) objectForKey:(NSString *)key{
    NSFileManager* fileManager = [NSFileManager defaultManager];
    // 根据目录和Key创建一个完整的fileName
    NSString* filename = [self.cacheDirectory stringByAppendingPathComponent:key];
    // 判断文件是否存在
    if ([fileManager fileExistsAtPath:filename]) {
        // 获取文件属性Dic，并取其中的最后修改时间属性
        NSDate *modificationDate = [[fileManager attributesOfItemAtPath:filename error:nil] objectForKey:NSFileModificationDate];
        // 如果最后修改时间与现在时间大于7天，删除文件
        if ([modificationDate timeIntervalSinceNow] > cacheTime) {
            [fileManager removeItemAtPath:filename error:nil];
        }else{
            // 从文件中读取data
            NSData *data = [NSData dataWithContentsOfFile:filename];
            return data;
        }
    }
    return nil;
}

- (void) loadImageFromURL:(NSString*)URL {
	NSURL *imageURL = [NSURL URLWithString:URL];
	NSString *key = [URL MD5Hash];
	NSData *data = [ZTCache objectForKey:key];
    // 如果存在将data传入imageView，否则添加一个异步任务
	if (data) {
		UIImage *image = [UIImage imageWithData:data];
		_imageView.image = image;
	} else {
		_imageView.image = [UIImage imageNamed:@"img_def"];
		dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0ul);
		dispatch_async(queue, ^{
			NSData *data = [NSData dataWithContentsOfURL:imageURL];
			[ZTCache setObject:data forKey:key];
			UIImage *image = [UIImage imageWithData:data];
			dispatch_sync(dispatch_get_main_queue(), ^{
				_imageView.image = image;
			});
		});
	}
}

- (NSString *) MD5Hash {
	
	CC_MD5_CTX md5;
	CC_MD5_Init (&md5);
	CC_MD5_Update (&md5, [self UTF8String], (CC_LONG)[self length]);
	
	unsigned char digest[CC_MD5_DIGEST_LENGTH];
	CC_MD5_Final (digest, &md5);
	NSString *s = [NSString stringWithFormat: @"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
				digest[0],  digest[1], 
				digest[2],  digest[3],
				digest[4],  digest[5],
				digest[6],  digest[7],
				digest[8],  digest[9],
				digest[10], digest[11],
				digest[12], digest[13],
				digest[14], digest[15]];
	
	return s;
	
}