ios开发中常见的宏

//界面宽高
#define BatteryHeight 20.0
#define NavBarHeight  44.0
#define TabBarHeight  49.0
 
#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)
#define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)

#define SAFE_RELEASE(x) [x release];x=nil   //release

#define APP_VERSION ([[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"])   //应用程序版本号
#define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue]    //ios系统版本号

#define CurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0])  //语言
 
//颜色
#define BACKGROUND_COLOR [UIColor colorWithRed:242.0/255.0 green:236.0/255.0 blue:231.0/255.0 alpha:1.0]
#define RGBCOLOR(r,g,b) [UIColor colorWithRed:(r)/255.0f green:(g)/255.0f blue:(b)/255.0f alpha:1]
#define RGBACOLOR(r,g,b,a) [UIColor colorWithRed:(r)/255.0f green:(g)/255.0f blue:(b)/255.0f alpha:(a)]
 
// 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]

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

//NSLog
#ifdef DEBUG
#   define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);
#else
#   define DLog(...)
#endif

#ifdef DEBUG
#define D_NSLog(format, ...) NSLog(format, ## __VA_ARGS__)
#else
#define D_NSLog(format, ...)
#endif

#define _po(o) DLOG(@"%@", (o))
#define _pn(o) DLOG(@"%d", (o))
#define _pf(o) DLOG(@"%f", (o))
#define _ps(o) DLOG(@"CGSize: {%.0f, %.0f}", (o).width, (o).height)
#define _pr(o) DLOG(@"NSRect: {{%.0f, %.0f}, {%.0f, %.0f}}", (o).origin.x, (o).origin.x, (o).size.width, (o).size.height)
#define DOBJ(obj)  DLOG(@"%s: %@", #obj, [(obj) description])
#define MARK    NSLog(@"\nMARK: %s, %d", __PRETTY_FUNCTION__, __LINE__)
 
//alert
#define alertContent(content) \
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"提示" \
                                                  message:content \
                                                  delegate:nil   \
                                                  cancelButtonTitle:@"确定" \
                                                  otherButtonTitles:nil];  \
[alert show];  \
[alert release]; 

 //分辨率：模拟器/iphone
#define isRetina ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 960), [[UIScreen mainScreen] currentMode].size) : NO)
#define iPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) : NO)
#define isPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
 
#if TARGET_OS_IPHONE
//iPhone Device
#endif
 
#if TARGET_IPHONE_SIMULATOR
//iPhone Simulator
#endif
 
//ARC
#if __has_feature(objc_arc)
    //compiling with ARC
#else
    // compiling without ARC
#endif
 
 
//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)
 
#define USER_DEFAULT [NSUserDefaults standardUserDefaults]  //user Default

//image
#define ImageNamed(_pointer) [UIImage imageNamed:[UIUtil imageName:_pointer]]
#define LOADIMAGE(file,ext) [UIImage imageWithContentsOfFile:[[NSBundle mainBundle]pathForResource:file ofType:ext]]
例如 imageView.image =  LOADIMAGE(@"文件名",@"png");

// degrees/radian functions 
#define degreesToRadian(x) (M_PI * (x) / 180.0)
#define radianToDegrees(radian) (radian*180.0)/(M_PI)

//viewWithTag
#define VIEWWITHTAG(_OBJECT, _TAG)    [_OBJECT viewWithTag : _TAG] 
 
//
#define ITTDEBUG
#define ITTLOGLEVEL_INFO     10
#define ITTLOGLEVEL_WARNING  3
#define ITTLOGLEVEL_ERROR    1
 
#ifndef ITTMAXLOGLEVEL
 
#ifdef DEBUG
    #define ITTMAXLOGLEVEL ITTLOGLEVEL_INFO
#else
    #define ITTMAXLOGLEVEL ITTLOGLEVEL_ERROR
#endif
 
#endif
 
//common functions 
#define RELEASE_SAFELY(__POINTER) { [__POINTER release]; __POINTER = nil; }
 
 
// The general purpose logger. This ignores logging levels.
#ifdef ITTDEBUG
  #define ITTDPRINT(xx, ...)  NSLog(@"%s(%d): " xx, __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__)
#else
  #define ITTDPRINT(xx, ...)  ((void)0)
#endif
 
// Prints the current method's name.
#define ITTDPRINTMETHODNAME() ITTDPRINT(@"%s", __PRETTY_FUNCTION__)
 
// Log-level based logging macros.
#if ITTLOGLEVEL_ERROR <= ITTMAXLOGLEVEL
  #define ITTDERROR(xx, ...)  ITTDPRINT(xx, ##__VA_ARGS__)
#else
  #define ITTDERROR(xx, ...)  ((void)0)
#endif
 
#if ITTLOGLEVEL_WARNING <= ITTMAXLOGLEVEL
  #define ITTDWARNING(xx, ...)  ITTDPRINT(xx, ##__VA_ARGS__)
#else
  #define ITTDWARNING(xx, ...)  ((void)0)
#endif
 
#if ITTLOGLEVEL_INFO <= ITTMAXLOGLEVEL
  #define ITTDINFO(xx, ...)  ITTDPRINT(xx, ##__VA_ARGS__)
#else
  #define ITTDINFO(xx, ...)  ((void)0)
#endif
 
#ifdef ITTDEBUG
  #define ITTDCONDITIONLOG(condition, xx, ...) { if ((condition)) { \
                                                  ITTDPRINT(xx, ##__VA_ARGS__); \
                                                } \
                                              } ((void)0)
#else
  #define ITTDCONDITIONLOG(condition, xx, ...) ((void)0)
#endif
 
//
#define ITTAssert(condition, ...)                                       \
do {                                                                      \
    if (!(condition)) {                                                     \
        [[NSAssertionHandler currentHandler]                                  \
            handleFailureInFunction:[NSString stringWithUTF8String:__PRETTY_FUNCTION__] \
                                file:[NSString stringWithUTF8String:__FILE__]  \
                            lineNumber:__LINE__                                  \
                            description:__VA_ARGS__];                             \
    }                                                                       \
} while(0)