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;
	
}

adb devices

adb install -r APK_FILE

adb uninstall PACKAGE_NAME

adb shell am strat PACKAGE_NAME/ACTIVITY_IN_PACKAGE

adb shell

adb shell screencap -p | perl -pe 's/\x0D\x0A/\x0A/g' > screen.png

adb shell input keyevent 82

adb logcat

adb logcat -s TAG_NAME1 TAH_NAME2

adb logcat "*:PRIORITY"
#  example
adb logcat "*:W"

adb logcat -s TAG_NAME_1:PRIORITY TAG_NAME_2:PRIORITY

adb logcat | grep "SEARCH_TERM"
adb logcat | grep "SEARCH_TERM_1\|SEARCH_TERM_2"

adb logcat -c

// LinrLayout.m
# import "LineLayout.h"


# define ITEM_SIZE 200.0
# define ACTIVE_DISTANCE 200
# define ZOOM_FACTOR 0.4

@implementation LineLayout

-(id)init
{
    self = [super init];
    if (self) {
        self.itemSize = CGSizeMake(ITEM_SIZE, ITEM_SIZE);
        self.scrollDirection = UICollectionViewScrollDirectionHorizontal;
        //  确定了缩进，此处为上方、下方各缩进200
        self.sectionInset = UIEdgeInsetsMake(ITEM_SIZE, ITEM_SIZE/2, ITEM_SIZE, ITEM_SIZE/2);
        //  每个item在水平方向的最小间距
        self.minimumLineSpacing = ITEM_SIZE/4;
        
    }
    return self;
}
// 边界改变时是否重新排版
- (BOOL)shouldInvalidateLayoutForBoundsChange:(CGRect)oldBounds
{
    return YES;
}
//  初始的layout外观将由该方法返回的UICollctionViewLayoutAttributes来决定
-(NSArray*)layoutAttributesForElementsInRect:(CGRect)rect
{
    NSArray* array = [super layoutAttributesForElementsInRect:rect];
    CGRect visibleRect;
    visibleRect.origin = self.collectionView.contentOffset;
    visibleRect.size = self.collectionView.bounds.size;
    for (UICollectionViewLayoutAttributes* attributes in array) {
        if (CGRectIntersectsRect(attributes.frame, rect)) {
            CGFloat distance = CGRectGetMidX(visibleRect) - attributes.center.x;
            CGFloat normalizedDistance = distance / ACTIVE_DISTANCE;
            if (ABS(distance) < ACTIVE_DISTANCE) {
                CGFloat zoom = 1 + ZOOM_FACTOR*(1 - ABS(normalizedDistance));
                attributes.transform3D = CATransform3DMakeScale(zoom, zoom, 1.0);
                attributes.zIndex = 1;
            }
        }
    }
    return array;
}

//  自动对齐到网格
- (CGPoint)targetContentOffsetForProposedContentOffset:(CGPoint)proposedContentOffset withScrollingVelocity:(CGPoint)velocity
{
    //  proposedContentOffset是没有对齐到网格时本来应该停下来的位置
    CGFloat offsetAdjustment = MAXFLOAT;
    CGFloat horizontalCenter = proposedContentOffset.x + (CGRectGetWidth(self.collectionView.bounds) / 2.0);
    //  当前显示的区域
    CGRect targetRect = CGRectMake(proposedContentOffset.x, 0.0, self.collectionView.bounds.size.width, self.collectionView.bounds.size.height);
    //  取当前显示的item
    NSArray* array = [super layoutAttributesForElementsInRect:targetRect];
    //  对当前屏幕中的UICollectionViewLayoutAttributes逐个与屏幕中心进行比较，找出最接近中心的一个
    for (UICollectionViewLayoutAttributes* layoutAttributes in array) {
        CGFloat itemHorizontalCenter = layoutAttributes.center.x;
        if (ABS(itemHorizontalCenter - horizontalCenter) < ABS(offsetAdjustment)) {
            offsetAdjustment = itemHorizontalCenter - horizontalCenter;
        }
    }    
    return CGPointMake(proposedContentOffset.x + offsetAdjustment, proposedContentOffset.y);
}

@end

# import "CircleLayout.h"

# define ITEM_SIZE 70

@implementation CircleLayout

// 准备计算需要的参数
-(void)prepareLayout
{
    [super prepareLayout];
    
    CGSize size = self.collectionView.frame.size;
    _cellCount = [[self collectionView] numberOfItemsInSection:0];
    // 中心点
    _center = CGPointMake(size.width / 2.0, size.height / 2.0);
    // 半径
    _radius = MIN(size.width, size.height) / 2.5;
}
// collctionView的内容大小就是collectionView的大小
-(CGSize)collectionViewContentSize
{
    return [self collectionView].frame.size;
}
// 通过所在的indexPath确定位置
- (UICollectionViewLayoutAttributes *)layoutAttributesForItemAtIndexPath:(NSIndexPath *)path
{
    UICollectionViewLayoutAttributes* attributes = [UICollectionViewLayoutAttributes layoutAttributesForCellWithIndexPath:path];
    attributes.size = CGSizeMake(ITEM_SIZE, ITEM_SIZE);
    // 配置attributes到圆周上
    attributes.center = CGPointMake(_center.x + _radius * cosf(2 * path.item * M_PI / _cellCount),
                                    _center.y + _radius * sinf(2 * path.item * M_PI / _cellCount));
    return attributes;
}
// 用来在一开始给出一套UICollectionViewLayoutAttributes
-(NSArray*)layoutAttributesForElementsInRect:(CGRect)rect
{
    NSMutableArray* attributes = [NSMutableArray array];
    for (NSInteger i=0 ; i < self.cellCount; i++) {
        //
        NSIndexPath* indexPath = [NSIndexPath indexPathForItem:i inSection:0];
        [attributes addObject:[self layoutAttributesForItemAtIndexPath:indexPath]];
    }    
    return attributes;
}
// 插入前，cell在圆心位置，全透明
- (UICollectionViewLayoutAttributes *)initialLayoutAttributesForInsertedItemAtIndexPath:(NSIndexPath *)itemIndexPath
{
    UICollectionViewLayoutAttributes* attributes = [self layoutAttributesForItemAtIndexPath:itemIndexPath];
    attributes.alpha = 0.0;
    attributes.center = CGPointMake(_center.x, _center.y);
    return attributes;
}

// 删除时，cell在圆心位置，全透明，且只有原来的1/10大
- (UICollectionViewLayoutAttributes *)finalLayoutAttributesForDeletedItemAtIndexPath:(NSIndexPath *)itemIndexPath
{
    UICollectionViewLayoutAttributes* attributes = [self layoutAttributesForItemAtIndexPath:itemIndexPath];
    attributes.alpha = 0.0;
    attributes.center = CGPointMake(_center.x, _center.y);
    attributes.transform3D = CATransform3DMakeScale(0.1, 0.1, 1.0);
    return attributes;
}

@end

# import "ViewController.h"
# import "Cell.h"

@implementation ViewController

-(void)viewDidLoad
{
    self.cellCount = 20;
    // 添加一个手势识别
    UITapGestureRecognizer* tapRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleTapGesture:)];
    [self.collectionView addGestureRecognizer:tapRecognizer];
    [self.collectionView registerClass:[Cell class] forCellWithReuseIdentifier:@"MY_CELL"];
    [self.collectionView reloadData];
    self.collectionView.backgroundColor = [UIColor greenColor];
}

- (NSInteger)collectionView:(UICollectionView *)view numberOfItemsInSection:(NSInteger)section;
{
    return self.cellCount;
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)cv cellForItemAtIndexPath:(NSIndexPath *)indexPath;
{
    Cell *cell = [cv dequeueReusableCellWithReuseIdentifier:@"MY_CELL" forIndexPath:indexPath];
    return cell;
}

- (void)handleTapGesture:(UITapGestureRecognizer *)sender {
    
    if (sender.state == UIGestureRecognizerStateEnded)
    {
        CGPoint initialPinchPoint = [sender locationInView:self.collectionView];
        NSIndexPath* tappedCellPath = [self.collectionView indexPathForItemAtPoint:initialPinchPoint];
        // 点击处没有cell
        if (tappedCellPath!=nil)
        {
            self.cellCount = self.cellCount - 1;
            [self.collectionView performBatchUpdates:^{
                [self.collectionView deleteItemsAtIndexPaths:[NSArray arrayWithObject:tappedCellPath]];
                
            } completion:nil];
        }
        else
        {
            self.cellCount = self.cellCount + 1;
            [self.collectionView performBatchUpdates:^{
                [self.collectionView insertItemsAtIndexPaths:[NSArray arrayWithObject:[NSIndexPath indexPathForItem:0 inSection:0]]];
            } completion:nil];
        }
    }
}

@end

//	三个参数分别是监听对象、监听属性、监听选项
- (void)addObserver:(NSObject *)observer forKeyPath:(NSString *)keyPath options:(NSKeyValueObservingOptions)options context:(void *)context;
//	删除监听器，监听的对象、监听的属性
- (void)removeObserver:(NSObject *)observer forKeyPath:(NSString *)keyPath;

@implementation ViewController
{
    UILabel *_name;
    UILabel *_age;
    UIButton *_b1;
    UIButton *_b2;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
	_myData= [[MyData alloc] init];
    [_myData setValue:@"name" forKey:@"name"];
    [_myData setValue:@"22" forKey:@"age"];
    [_myData addObserver:self forKeyPath:@"age" options:NSKeyValueObservingOptionNew|NSKeyValueObservingOptionOld context:NULL];
    [_myData addObserver:self forKeyPath:@"name" options:NSKeyValueObservingOptionNew|NSKeyValueObservingOptionOld context:NULL];

    CGSize size = self.view.bounds.size;

    _name = [[UILabel alloc]initWithFrame:CGRectMake(size.width/2 - 75, 100, 150, 30 )];
    _name.textColor = [UIColor redColor];
    _name.text = [_myData valueForKey:@"name"];
    _name.textAlignment = NSTextAlignmentCenter;
    [self.view addSubview:_name];

    _age = [[UILabel alloc]initWithFrame:CGRectMake(size.width/2 - 50, 140, 100, 30 )];
    _age.textColor = [UIColor redColor];
    _age.text = [[NSString alloc]initWithFormat:@"%@",[_myData valueForKey:@"age"]];
    _age.textAlignment = NSTextAlignmentCenter;
    [self.view addSubview:_age];
    
    _b1 = [UIButton buttonWithType:UIButtonTypeRoundedRect];
    [_b1 setTitle:@"Push" forState:UIControlStateNormal];
    _b1.frame = CGRectMake(size.width/2 - 50, size.height/2 + 100, 100, 30);
    [_b1 addTarget:self action:@selector(buttonAction1) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:_b1];
    
    _b2 = [UIButton buttonWithType:UIButtonTypeRoundedRect];
    [_b2 setTitle:@"Push" forState:UIControlStateNormal];
    _b2.frame = CGRectMake(size.width/2 - 50, size.height/2 + 140, 100, 30);
    [_b2 addTarget:self action:@selector(buttonAction2) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:_b2];
}
-(void) buttonAction1
{
    unsigned int random = arc4random_uniform(999);
    _myData.name = [[NSString alloc]initWithFormat:@"随机数字:%d",random];
}
-(void) buttonAction2
{
    unsigned int age = arc4random_uniform(100);
    _myData.age = age;
}
-(void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
    if([keyPath isEqualToString:@"age"])
    {
        _age.text = [[NSString alloc]initWithFormat:@"%@",[_myData valueForKey:@"age"]];
    } else if([keyPath isEqualToString:@"name"])
    {
        _name.text = _myData.name;
        
    }
}

// 获取1到x之间的整数的代码如下:
int value = (arc4random() % x) + 1; 

// 需要初始化时设置种子
srandom((unsigned int)time(time_t *)NULL); //初始化时，设置下种子就好了。

// cocos2d中使用 ，范围是[0,1]
// [0,5]   CCRANDOM_0_1() 取值范围是[0,1]
float random = CCRANDOM_0_1() * 5; 

// 返回一个小于number的均匀分布的整数
arc4random_uniform(number)

platform :ios, '7.0'

pod 'Shimmer', '~> 1.0.1'

FBShimmeringView  * shimmeringView  =  [[ FBShimmeringView  alloc ]  initWithFrame : self.view.bounds ]; 
[ self.view  addSubview : shimmeringView ];

UILabel  * loadingLabel  =  [[ UILabel  alloc ]  initWithFrame : shimmeringView.bounds ]; 
loadingLabel.textAlignment  =  NSTextAlignmentCenter ; 
loadingLabel.text  =  NSLocalizedString ( @"Shimmer" ,  nil ); 
shimmeringView.contentView  =  loadingLabel ;

/ /开始闪闪发光
shimmeringView.shimmering =  YES ;

cocos new MyGame -p com.zoe.MyGame -l cpp -d ./MyProject

cocos run -s ./MyProject/MyGame -p ios

->	python --version
Python 2.7.5

brew install ant

ant -version
Apache Ant(TM) version 1.9.3 compiled on December 23 2013

source ~/.bash_profile

python android-build.py -p 10 cpp-test