各种iOS常用代码段

macro.h

/*
 
 macro.h
 
 使用方法：
 ＊需要时import
 ＊添加到-Prefix.pch文件中,所有类中都可以使用
 
 author : YauzZ
 Date : 2014-03-12
 */

// 对NSLog的格式化宏
#if DEBUG
#define NSLog(FORMAT, ...) fprintf(stderr,"\nfunction:%s line:%d content:%s\n", __FUNCTION__, __LINE__, [[NSString stringWithFormat:FORMAT, ##__VA_ARGS__] UTF8String]);
#else
#define NSLog(FORMAT, ...) nil
#endif

// RGB颜色
#define Color_RGB(RED,GREEN,BLUE) [UIColor colorWithRed:RED/255.00 green:GREEN/255.00 blue:BLUE/255.00 alpha:1.0] 

// RGB颜色转换（16进制->10进制）
#define UIColorFromRGB(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] 

// RGBA颜色
#define Color_RGBA(R,G,B,A) [UIColor colorWithRed:R/255.0 green:G/255.0 blue:B/255.0 alpha:A] 

// 方正黑体简体字体定义
#define FONT(F) [UIFont fontWithName:@"FZHTJW--GB1-0" size:F]


//单例化一个类
#define SYNTHESIZE_SINGLETON_FOR_CLASS(classname) \
\
static classname *shared##classname = nil; \
\
+ (classname *)shared##classname \
{ \
    @synchronized(self) \
    { \
        if (shared##classname == nil) \
        { \
            shared##classname = [[self alloc] init]; \
        } \
    } \
     \
    return shared##classname; \
} \
\
+ (id)allocWithZone:(NSZone *)zone \
{ \
    @synchronized(self) \
    { \
        if (shared##classname == nil) \
        { \
            shared##classname = [super allocWithZone:zone]; \
            return shared##classname; \
        } \
    } \
     \
    return nil; \
} \
\
- (id)copyWithZone:(NSZone *)zone \
{ \
    return self; \
} 


// 去除"-(id)performSelector:(SEL)aSelector withObject:(id)object;"的警告
#define SuppressPerformSelectorLeakWarning(Stuff) \
do { \
_Pragma("clang diagnostic push") \
_Pragma("clang diagnostic ignored \"-Warc-performSelector-leaks\"") \
Stuff; \
_Pragma("clang diagnostic pop") \
} while (0)


// documents structure of application
#define APP_DOCUMENT                [NSSearchPathForDirectoriesInDomains (NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0]
#define APP_LIBRARY                 [NSSearchPathForDirectoriesInDomains (NSLibraryDirectory, NSUserDomainMask, YES) objectAtIndex:0]
#define APP_CACHES_PATH             [NSSearchPathForDirectoriesInDomains (NSCachesDirectory, NSUserDomainMask, YES) objectAtIndex:0]
#define APP_USERINFO_PATH           userInfoPath()

//------------------------------------Debug/Release
#ifdef DEBUG
//Debug模式
//...


#else
//发布模式
//...

//屏蔽NSLog
#define NSLog(...) {};

#endif


//------------------------------------Simulator/Device
//区分模拟器和真机
#if TARGET_OS_IPHONE
//iPhone Device
#endif

#if TARGET_IPHONE_SIMULATOR
//iPhone Simulator
#endif

//------------------------------------ARC/no RAC
//ARC
#if __has_feature(objc_arc)
//compiling with ARC
#else
// compiling without ARC
#endif

// 异常抛出
#define Exception(NAME,REASON) \
NSException *exception = [NSException exceptionWithName:NAME reason:REASON userInfo:nil]; \
@throw exception;

// ARC和MRC的适配
#if __has_feature(objc_arc)
#define SAFE_ARC_PROP_RETAIN strong
#define SAFE_ARC_RETAIN(x) (x)
#define SAFE_ARC_RELEASE(x)
#define SAFE_ARC_AUTORELEASE(x) (x)
#define SAFE_ARC_BLOCK_COPY(x) (x)
#define SAFE_ARC_BLOCK_RELEASE(x)
#define SAFE_ARC_SUPER_DEALLOC()
#define SAFE_ARC_AUTORELEASE_POOL_START() @autoreleasepool {
#define SAFE_ARC_AUTORELEASE_POOL_END() }
#else
#define SAFE_ARC_PROP_RETAIN retain
#define SAFE_ARC_RETAIN(x) ([(x) retain])
#define SAFE_ARC_RELEASE(x) ([(x) release])
#define SAFE_ARC_AUTORELEASE(x) ([(x) autorelease])
#define SAFE_ARC_BLOCK_COPY(x) (Block_copy(x))
#define SAFE_ARC_BLOCK_RELEASE(x) (Block_release(x))
#define SAFE_ARC_SUPER_DEALLOC() ([super dealloc])
#define SAFE_ARC_AUTORELEASE_POOL_START() NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
#define SAFE_ARC_AUTORELEASE_POOL_END() [pool release];
#endif

//Block
typedef void(^VoidBlock)();
typedef BOOL(^BoolBlock)();
typedef int (^IntBlock) ();
typedef id  (^IDBlock)  ();

typedef void(^VoidBlock_int)(int);
typedef BOOL(^BoolBlock_int)(int);
typedef int (^IntBlock_int) (int);
typedef id  (^IDBlock_int)  (int);

typedef void(^VoidBlock_string)(NSString*);
typedef BOOL(^BoolBlock_string)(NSString*);
typedef int (^IntBlock_string) (NSString*);
typedef id  (^IDBlock_string)  (NSString*);

typedef void(^VoidBlock_id)(id);
typedef BOOL(^BoolBlock_id)(id);
typedef int (^IntBlock_id) (id);
typedef id  (^IDBlock_id)  (id);


//System
#define PasteString(string)   [[UIPasteboard generalPasteboard] setString:string];
#define PasteImage(image)     [[UIPasteboard generalPasteboard] setImage:image];


//Image
//可拉伸的图片

#define ResizableImage(name,top,left,bottom,right) [[UIImage imageNamed:name] resizableImageWithCapInsets:UIEdgeInsetsMake(top,left,bottom,right)]
#define ResizableImageWithMode(name,top,left,bottom,right,mode) [[UIImage imageNamed:name] resizableImageWithCapInsets:UIEdgeInsetsMake(top,left,bottom,right) resizingMode:mode]

//file
//读取文件的文本内容,默认编码为UTF-8
#define FileString(name,ext)            [[NSString alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:(name) ofType:(ext)] encoding:NSUTF8StringEncoding error:nil]
#define FileDictionary(name,ext)        [[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:(name) ofType:(ext)]]
#define FileArray(name,ext)             [[NSArray alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:(name) ofType:(ext)]]

//数学
#define PI 3.14159

//输出frame(frame是结构体，没法%@)
#define LOGFRAME(f) NSLog(@"\nx:%f\ny:%f\nwidth:%f\nheight:%f\n",f.origin.x,f.origin.y,f.size.width,f.size.height)
#define LOGBOOL(b)  NSLog(@"%@",b?@"YES":@"NO");
//弹出信息
#define ALERT(msg) [[[UIAlertView alloc] initWithTitle:nil message:msg delegate:nil cancelButtonTitle:@"ok" otherButtonTitles:nil] show]


//App
#define kApp ((AppDelegate *)[UIApplication sharedApplication].delegate)
#define kNav ((AppDelegate *)[UIApplication sharedApplication].delegate.navigationController)


//color
#define RGB(r, g, b)             [UIColor colorWithRed:((r) / 255.0) green:((g) / 255.0) blue:((b) / 255.0) alpha:1.0]
#define RGBAlpha(r, g, b, a)     [UIColor colorWithRed:((r) / 255.0) green:((g) / 255.0) blue:((b) / 255.0) alpha:(a)]

#define HexRGB(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]
#define HexRGBAlpha(rgbValue,a) [UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 green:((float)((rgbValue & 0xFF00) >> 8))/255.0 blue:((float)(rgbValue & 0xFF))/255.0 alpha:(a)]

//转换
#define I2S(number) [NSString stringWithFormat:@"%d",number]
#define F2S(number) [NSString stringWithFormat:@"%f",number]
#define DATE(stamp) [NSDate dateWithTimeIntervalSince1970:[stamp intValue]];



//设备屏幕尺寸
#define kScreen_Height   ([UIScreen mainScreen].bounds.size.height)
#define kScreen_Width    ([UIScreen mainScreen].bounds.size.width)
#define kScreen_Frame    (CGRectMake(0, 0 ,kScreen_Width,kScreen_Height))
#define kScreen_CenterX  kScreen_Width/2
#define kScreen_CenterY  kScreen_Height/2


//应用尺寸(不包括状态栏,通话时状态栏高度不是20，所以需要知道具体尺寸)
#define kContent_Height   ([UIScreen mainScreen].applicationFrame.size.height)
#define kContent_Width    ([UIScreen mainScreen].applicationFrame.size.width)
#define kContent_Frame    (CGRectMake(0, 0 ,kContent_Width,kContent_Height))
#define kContent_CenterX  kContent_Width/2
#define kContent_CenterY  kContent_Height/2



/*
类似九宫格的九个点
 
 p1 --- p2 --- p3
 |      |      |
 p4 --- p5 --- p6
 |      |      |
 p7 --- p8 --- p9
 
*/
#define kP1 CGPointMake(0                 ,0)
#define kP2 CGPointMake(kContent_Width/2  ,0)
#define kP3 CGPointMake(kContent_Width    ,0)
#define kP4 CGPointMake(0                 ,kContent_Height/2)
#define kP5 CGPointMake(kContent_Width/2  ,kContent_Height/2)
#define kP6 CGPointMake(kContent_Width    ,kContent_Height/2)
#define kP7 CGPointMake(0                 ,kContent_Height)
#define kP8 CGPointMake(kContent_Width/2  ,kContent_Height)
#define kP9 CGPointMake(kContent_Width    ,kContent_Height)

//*********************************************


//GCD
#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)


//Device
#define isIOS4 ([[[UIDevice currentDevice] systemVersion] intValue]==4)
#define isIOS5 ([[[UIDevice currentDevice] systemVersion] intValue]==5)
#define isIOS6 ([[[UIDevice currentDevice] systemVersion] intValue]==6)
#define isAfterIOS4 ([[[UIDevice currentDevice] systemVersion] intValue]>4)
#define isAfterIOS5 ([[[UIDevice currentDevice] systemVersion] intValue]>5)
#define isAfterIOS6 ([[[UIDevice currentDevice] systemVersion] intValue]>6)

#define iOS ([[[UIDevice currentDevice] systemVersion] floatValue])

#define isRetina ([[UIScreen mainScreen] scale]==2)
#define iPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) : NO)
#define isPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)


//拨打电话
#define canTel                 ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"tel:"]])
#define tel(phoneNumber)       ([[UIApplication sharedApplication] openURL:[NSURL URLWithString:[NSString stringWithFormat:@"tel:%@",phoneNumber]]])
#define telprompt(phoneNumber) ([[UIApplication sharedApplication] openURL:[NSURL URLWithString:[NSString stringWithFormat:@"telprompt:%@",phoneNumber]]])

//打开URL
#define canOpenURL(appScheme) ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:appScheme]])
#define openURL(appScheme) ([[UIApplication sharedApplication] openURL:[NSURL URLWithString:appScheme]])