iOS开发常用的宏

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#define NavigationBar_HEIGHT 44
#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)
#define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)
#define SAFE_RELEASE(x) [x release];x=nil
#define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue]
#define CurrentSystemVersion ([[UIDevice currentDevice] systemVersion])
#define CurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0])
#define BACKGROUND_COLOR [UIColor colorWithRed:242.0/255.0 green:236.0/255.0 blue:231.0/255.0 alpha:1.0]
//use dlog to print while in debug model
#ifdef DEBUG
# define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);
#else
# define DLog(...)
#endif
#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]
#define ImageNamed(_pointer) [UIImage imageNamed:[UIUtil imageName:_pointer]]
#pragma mark - common functions
#define RELEASE_SAFELY(__POINTER) { [__POINTER release]; __POINTER = nil; }
#pragma mark - degrees/radian functions
#define degreesToRadian(x) (M_PI * (x) / 180.0)
#define radianToDegrees(radian) (radian*180.0)/(M_PI)
#pragma mark - color functions
#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)]
#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
// 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)
#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__)
#define LOADIMAGE(file,ext) [UIImage imageWithContentsOfFile:[[NSBundle mainBundle]pathForResource:file ofType:ext]]
#define VIEWWITHTAG(_OBJECT, _TAG) [_OBJECT viewWithTag : _TAG]
#define MyLocal(x, ...) NSLocalizedString(x, nil)
// 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]
#define alertContent(content) \
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"提示" \
message:content \
delegate:nil \
cancelButtonTitle:@"确定" \
otherButtonTitles:nil]; \
[alert show]; \
[alert release];
#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
//清除背景色
#define CLEARCOLOR [UIColor clearColor]
//定义UIImage对象
#define IMAGE(A) [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:A ofType:nil]]
//带有RGBA的颜色设置
#define COLOR(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]
//安全删除对象
#define SAFE_DELETE(P) if(P) { [P release], P = nil; }
//接口API
#define APIURL @"http://xxxxx/"
//登录
#define APILogin [APIURL stringByAppendingString:@"Login"] //登录API

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