iOS開發中那些高效常用的宏

iOS開發過程中使用一些常用的宏可以提高開發效率，提高代碼的重用性；將這些宏放到一個標頭檔裡然後再放到工程中的-Prefix.pch檔案中(或者直接放到-Prefix.pch中)直接可以使用,灰常方便。

本文整理自http://www.cocoachina.com/applenews/devnews/2013/0328/5907.html 。

做了一些分類和注釋,可以根據自己習慣再添加或者刪除或者修改這些宏進行使用。

////  MacroDefinition.h//  MacroDefinitionDemo////  Created by 新風作浪 on 13-6-9.//  Copyright (c) 2013年 SpinningSphere Labs. All rights reserved.//#ifndef MacroDefinition_h#define MacroDefinition_h//-------------------擷取裝置大小-------------------------//NavBar高度#define NavigationBar_HEIGHT 44//擷取螢幕 寬度、高度#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)#define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)//-------------------擷取裝置大小-------------------------//-------------------列印日誌-------------------------//DEBUG  模式下列印日誌,當前行#ifdef DEBUG#   define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);#else#   define DLog(...)#endif//重寫NSLog,Debug模式下列印日誌和當前行數#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//DEBUG  模式下列印日誌,當前行 並彈出一個警告#ifdef DEBUG#   define ULog(fmt, ...)  { UIAlertView *alert = [[UIAlertView alloc] initWithTitle:[NSString stringWithFormat:@"%s\n [Line %d] ", __PRETTY_FUNCTION__, __LINE__] message:[NSString stringWithFormat:fmt, ##__VA_ARGS__]  delegate:nil cancelButtonTitle:@"Ok" otherButtonTitles:nil]; [alert show]; }#else#   define ULog(...)#endif#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)//---------------------列印日誌--------------------------//----------------------系統----------------------------//擷取系統版本#define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue]#define CurrentSystemVersion [[UIDevice currentDevice] systemVersion]//擷取當前語言#define CurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0])//判斷是否 Retina屏、裝置是否%fhone 5、是否是iPad#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)//判斷是真機還是模擬器#if TARGET_OS_IPHONE//iPhone Device#endif#if TARGET_IPHONE_SIMULATOR//iPhone Simulator#endif//檢查系統版本#define SYSTEM_VERSION_EQUAL_TO(v)                  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)#define SYSTEM_VERSION_GREATER_THAN(v)              ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending)#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v)  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)#define SYSTEM_VERSION_LESS_THAN(v)                 ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)#define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v)     ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending)//----------------------系統----------------------------//----------------------記憶體----------------------------//使用ARC和不使用ARC#if __has_feature(objc_arc)//compiling with ARC#else// compiling without ARC#endif#pragma mark - common functions#define RELEASE_SAFELY(__POINTER) { [__POINTER release]; __POINTER = nil; }//釋放一個對象#define SAFE_DELETE(P) if(P) { [P release], P = nil; }#define SAFE_RELEASE(x) [x release];x=nil//----------------------記憶體----------------------------//----------------------圖片----------------------------//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]]//建議使用前兩種宏定義,效能高於後者//----------------------圖片----------------------------//----------------------顏色類---------------------------// rgb色彩轉換（16進位->10進位）#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]//帶有RGBA的顏色設定#define COLOR(R, G, B, A) [UIColor colorWithRed:R/255.0 green:G/255.0 blue:B/255.0 alpha:A]// 擷取RGB顏色#define RGBA(r,g,b,a) [UIColor colorWithRed:r/255.0f green:g/255.0f blue:b/255.0f alpha:a]#define RGB(r,g,b) RGBA(r,g,b,1.0f)//背景色#define BACKGROUND_COLOR [UIColor colorWithRed:242.0/255.0 green:236.0/255.0 blue:231.0/255.0 alpha:1.0]//清除背景色#define CLEARCOLOR [UIColor clearColor]#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)]//----------------------顏色類--------------------------//----------------------其他----------------------------//方正黑體簡體字型定義#define FONT(F) [UIFont fontWithName:@"FZHTJW--GB1-0" size:F]//定義一個API#define APIURL                @"http://xxxxx/"//登陸API#define APILogin              [APIURL stringByAppendingString:@"Login"]//設定View的tag屬性#define VIEWWITHTAG(_OBJECT, _TAG)    [_OBJECT viewWithTag : _TAG]//程式的本地化,引用國際化的檔案#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)//NSUserDefaults 執行個體化#define USER_DEFAULT [NSUserDefaults standardUserDefaults]//由角度擷取弧度 有弧度擷取角度#define degreesToRadian(x) (M_PI * (x) / 180.0)#define radianToDegrees(radian) (radian*180.0)/(M_PI)//單例化一個類#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; \}#endif

MacroDefinition.h  :https://github.com/XFZLDXF/Macro

CSDN下載:http://download.csdn.net/detail/duxinfeng2010/5555367