字符串是否為空
#define kStringIsEmpty(str) ([str isKindOfClass:[NSNull class]] || str == nil || [str length] < 1 ? YES : NO )
數(shù)組是否為空
#define kArrayIsEmpty(array) (array == nil || [array isKindOfClass:[NSNull class]] || array.count == 0)
字典是否為空
#define kDictIsEmpty(dic) (dic == nil || [dic isKindOfClass:[NSNull class]] || dic.allKeys == 0)
是否是空對象
#define kObjectIsEmpty(_object) (_object == nil \
||?[_object?isKindOfClass:[NSNull?class]]?\
||?([_object?respondsToSelector:@selector(length)]?&&?[(NSData?*)_object?length]?==?0)?\
|| ([_object respondsToSelector:@selector(count)] && [(NSArray *)_object count]== 0))
獲取屏幕寬度與高度 ( " \ ":連接行標(biāo)志，連接上下兩行 )
#define kScreenWidth \
([[UIScreen mainScreen] respondsToSelector:@selector(nativeBounds)] ? [UIScreen mainScreen].nativeBounds.size.width/[UIScreen mainScreen].nativeScale : [UIScreen mainScreen].bounds.size.width)
#define kScreenHeight \
([[UIScreen mainScreen] respondsToSelector:@selector(nativeBounds)] ? [UIScreen mainScreen].nativeBounds.size.height/[UIScreen mainScreen].nativeScale : [UIScreen mainScreen].bounds.size.height)
#define kScreenSize \
([[UIScreen mainScreen] respondsToSelector:@selector(nativeBounds)] ? CGSizeMake([UIScreen mainScreen].nativeBounds.size.width/[UIScreen mainScreen].nativeScale,[UIScreen mainScreen].nativeBounds.size.height/[UIScreen mainScreen].nativeScale) : [UIScreen mainScreen].bounds.size)
獲取屏幕 寬度、高度
#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)
#define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)
判斷設(shè)備的操做系統(tǒng)是不是ios7
#define IOS7 (［[UIDevice currentDevice].systemVersion doubleValue] >= 7.0]
判斷當(dāng)前設(shè)備是不是iphone5
#define kScreenIphone5? ? ((［UIScreen mainScreen] bounds].size.height)>=568)
一些常用的縮寫
#define kApplication? ? ? ? [UIApplication sharedApplication]
#define kKeyWindow? ? ? ? ? [UIApplication sharedApplication].keyWindow
#define kAppDelegate? ? ? ? [UIApplication sharedApplication].delegate
#define kUserDefaults? ? ? [NSUserDefaults standardUserDefaults]
#define kNotificationCenter [NSNotificationCenter defaultCenter]
APP版本號
#define kAppVersion [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"]
系統(tǒng)版本號
#define kSystemVersion [[UIDevice currentDevice] systemVersion]
判斷是否為iPhone
#define kISiPhone (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
判斷是否為iPad
#define kISiPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
獲取沙盒Document路徑
#define kDocumentPath [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject]
獲取沙盒temp路徑
#define kTempPath NSTemporaryDirectory()
獲取沙盒Cache路徑
#define kCachePath [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) firstObject]
判斷是真機(jī)還是模擬器
#if TARGET_OS_IPHONE
//真機(jī)
#endif
#if TARGET_IPHONE_SIMULATOR
//模擬器
#endif
開發(fā)的時候打印，但是發(fā)布的時候不打印的NSLog
#ifdef DEBUG
#define NSLog(...) NSLog(@"%s 第%d行 \n %@\n\n",__func__,__LINE__,[NSString stringWithFormat:__VA_ARGS__])
#else
#define NSLog(...)
#endif
顏色
#define kRGBColor(r, g, b)? ? [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:1.0]
#define kRGBAColor(r, g, b, a) [UIColor colorWithRed:(r)/255.0 green:(r)/255.0 blue:(r)/255.0 alpha:a]
#define kRandomColor? ? KRGBColor(arc4random_uniform(256)/255.0,arc4random_uniform(256)/255.0,arc4random_uniform(256)/255.0)? ? ? ? //隨機(jī)色生成
#define kColorWithHex(rgbValue) \
[UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16)) / 255.0 \
green:((float)((rgbValue & 0xFF00) >> 8)) / 255.0 \
blue:((float)(rgbValue & 0xFF)) / 255.0 alpha:1.0]
弱引用/強(qiáng)引用
#define kWeakSelf(type)? __weak typeof(type) weak##type = type;
#define kStrongSelf(type) __strong typeof(type) type = weak##type;
由角度轉(zhuǎn)換弧度
#define kDegreesToRadian(x)? ? ? (M_PI * (x) / 180.0)
由弧度轉(zhuǎn)換角度
#define kRadianToDegrees(radian) (radian * 180.0) / (M_PI)
獲取一段時間間隔
#define kStartTime CFAbsoluteTime start = CFAbsoluteTimeGetCurrent();
#define kEndTime? NSLog(@"Time: %f", CFAbsoluteTimeGetCurrent() - start)
宏（指令）定義
#ifndef MacroDefinition_h? ? ? // 如果沒定義
#define MacroDefinition_h
讀取本地圖片
#define LOADIMAGE(file,ext) [UIImage imageWithContentsOfFile:［NSBundle mainBundle]pathForResource:file ofType:ext］
定義UIImage對象
#define IMAGE(A) [UIImage imageWithContentsOfFile:［NSBundle mainBundle] pathForResource:A ofType:nil］
定義UIImage對象
#define ImageNamed(_pointer) [UIImage imageNamed:[UIUtil imageName:_pointer］
設(shè)置View的tag屬性
#define VIEWWITHTAG(_OBJECT, _TAG)? ? [_OBJECT viewWithTag : _TAG]
程序的本地化,引用國際化的文件
#define MyLocal(x, ...) NSLocalizedString(x, nil)
G－C－D
#define BACK(block) dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), block)
#define MAIN(block) dispatch_async(dispatch_get_main_queue(),block)
