iOS常用宏 定义

lrwd4969 3年前
   <p>总结了iOS开发过程中的一些常用宏,以后会陆陆续续添加进来。</p>    <ul>     <li> <p>字符串是否为空</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kStringIsEmpty(str) ([str isKindOfClass:[NSNull class]] || str == nil || [str length] < 1 ? YES : NO )</code></pre>    <ul>     <li> <p>数组是否为空</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kArrayIsEmpty(array) (array == nil || [array isKindOfClass:[NSNull class]] || array.count == 0)</code></pre>    <ul>     <li> <p>字典是否为空</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kDictIsEmpty(dic) (dic == nil || [dic isKindOfClass:[NSNull class]] || dic.allKeys == 0)</code></pre>    <ul>     <li> <p>是否是空对象</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #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))</code></pre>    <ul>     <li> <p>获取屏幕宽度与高度 ( " \ ":连接行标志,连接上下两行 )</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #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)</code></pre>    <ul>     <li> <p>一些常用的缩写</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kApplication        [UIApplication sharedApplication]    #define kKeyWindow          [UIApplication sharedApplication].keyWindow    #define kAppDelegate        [UIApplication sharedApplication].delegate    #define kUserDefaults      [NSUserDefaults standardUserDefaults]    #define kNotificationCenter [NSNotificationCenter defaultCenter]</code></pre>    <ul>     <li> <p>APP版本号</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kAppVersion [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"]</code></pre>    <ul>     <li> <p>系统版本号</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kSystemVersion [[UIDevice currentDevice] systemVersion]</code></pre>    <ul>     <li> <p>获取当前语言</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kCurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0])</code></pre>    <ul>     <li> <p>判断是否为iPhone</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kISiPhone (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)</code></pre>    <ul>     <li> <p>判断是否为iPad</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kISiPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)</code></pre>    <ul>     <li> <p>获取沙盒Document路径</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kDocumentPath [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject]</code></pre>    <ul>     <li> <p>获取沙盒temp路径</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kTempPath NSTemporaryDirectory()</code></pre>    <ul>     <li> <p>获取沙盒Cache路径</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kCachePath [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) firstObject]</code></pre>    <ul>     <li> <p>判断是真机还是模拟器</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #if TARGET_OS_IPHONE    //真机    #endif    #if TARGET_IPHONE_SIMULATOR    //模拟器    #endif</code></pre>    <ul>     <li> <p>开发的时候打印,但是发布的时候不打印的NSLog</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #ifdef DEBUG    #define NSLog(...) NSLog(@"%s 第%d行 \n %@\n\n",__func__,__LINE__,[NSString stringWithFormat:__VA_ARGS__])    #else     #define NSLog(...)     #endif</code></pre>    <ul>     <li> <p>颜色</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #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)        //随机色生成    #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]</code></pre>    <ul>     <li> <p>弱引用/强引用</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kWeakSelf(type)  __weak typeof(type) weak##type = type;    #define kStrongSelf(type) __strong typeof(type) type = weak##type;</code></pre>    <ul>     <li> <p>由角度转换弧度</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kDegreesToRadian(x)      (M_PI * (x) / 180.0)</code></pre>    <ul>     <li> <p>由弧度转换角度</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kRadianToDegrees(radian) (radian * 180.0) / (M_PI)</code></pre>    <ul>     <li> <p>获取一段时间间隔</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kStartTime CFAbsoluteTime start = CFAbsoluteTimeGetCurrent();    #define kEndTime  NSLog(@"Time: %f", CFAbsoluteTimeGetCurrent() - start)</code></pre>    <ul>     <li> <p>宏(指令)定义</p> </li>    </ul>    <pre>  <code class="language-objectivec">#ifndef MacroDefinition_h      // 如果没定义  #define MacroDefinition_h</code></pre>    <p>获取设备尺寸大小</p>    <ul>     <li> <p>NavBar高度</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define NavigationBar_HEIGHT 44</code></pre>    <ul>     <li> <p>获取屏幕 宽度、高度</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)    #define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)</code></pre>    <p>打印日志</p>    <ul>     <li> <p>DEBUG 模式下打印日志,当前行</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #ifdef DEBUG    #  define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);    #else    #  define DLog(...)    #endif</code></pre>    <ul>     <li> <p>重写NSLog,Debug模式下打印日志和当前行数</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #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</code></pre>    <ul>     <li> <p>DEBUG 模式下打印日志,当前行 并弹出一个警告</p> </li>    </ul>    <pre>  <code class="language-objectivec">#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</code></pre>    <ul>     <li> <p>The general purpose logger. This ignores logging levels.</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #ifdef ITTDEBUG    #define ITTDPRINT(xx, ...)  NSLog(@"%s(%d): " xx, __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__)    #else    #define ITTDPRINT(xx, ...)  ((void)0)    #endif</code></pre>    <ul>     <li> <p>打印当前方法的名称</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define ITTDPRINTMETHODNAME() ITTDPRINT(@"%s", __PRETTY_FUNCTION__)</code></pre>    <ul>     <li> <p>Log-level based logging macros.</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #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)</code></pre>    <p>系统</p>    <ul>     <li> <p>是否iPad</p> </li>    </ul>    <pre>  <code class="language-objectivec"> #define isPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)</code></pre>    <ul>     <li> <p>是否iPad</p> </li>    </ul>    <pre>  <code class="language-objectivec"> #define someThing (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)? ipad: iphone</code></pre>    <ul>     <li> <p>获取系统版本</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define IOS_VERSION [[UIDevice currentDevice] systemVersion] floatValue]    #define CurrentSystemVersion [UIDevice currentDevice] systemVersion]</code></pre>    <ul>     <li> <p>获取当前语言</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define CurrentLanguage ([NSLocale preferredLanguages] objectAtIndex:0])</code></pre>    <ul>     <li> <p>判断是否 Retina屏、设备是否为iPone 5、是否是iPad</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #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)</code></pre>    <ul>     <li> <p>判断设备的操做系统是不是ios7</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define IOS7 ([[UIDevice currentDevice].systemVersion doubleValue] >= 7.0]</code></pre>    <ul>     <li> <p>判断当前设备是不是iphone5</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kScreenIphone5    (([UIScreen mainScreen] bounds].size.height)>=568)</code></pre>    <ul>     <li> <p>获取当前屏幕的高度</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kMainScreenHeight ([UIScreen mainScreen].applicationFrame.size.height)</code></pre>    <ul>     <li> <p>获取当前屏幕的宽度</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define kMainScreenWidth  ([UIScreen mainScreen].applicationFrame.size.width)</code></pre>    <ul>     <li> <p>定义一个define函数</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define TT_RELEASE_CF_SAFELY(__REF) { if (nil != (__REF)) { CFRelease(__REF); __REF = nil; } }</code></pre>    <ul>     <li> <p>判断是真机还是模拟器</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #if TARGET_OS_IPHONE                           //iPhone Device    #endif      #if TARGET_IPHONE_SIMULATOR          //iPhone Simulator      #endif</code></pre>    <ul>     <li> <p>检查系统版本</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #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)</code></pre>    <p>内存</p>    <ul>     <li> <p>使用ARC和不使用ARC</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #if __has_feature(objc_arc)    //compiling with ARC    #else    // compiling without ARC    #endif</code></pre>    <pre>  <code class="language-objectivec">    #pragma mark - common functions      #define RELEASE_SAFELY(__POINTER) { [__POINTER release]; __POINTER = nil; }</code></pre>    <ul>     <li> <p>释放一个对象</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define SAFE_DELETE(P) if(P) { [P release], P = nil; }    #define SAFE_RELEASE(x) [x release];x=nil</code></pre>    <p>图片</p>    <ul>     <li> <p>读取本地图片</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define LOADIMAGE(file,ext) [UIImage imageWithContentsOfFile:[NSBundle mainBundle]pathForResource:file ofType:ext]</code></pre>    <ul>     <li> <p>定义UIImage对象</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define IMAGE(A) [UIImage imageWithContentsOfFile:[NSBundle mainBundle] pathForResource:A ofType:nil]</code></pre>    <ul>     <li> <p>定义UIImage对象</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define ImageNamed(_pointer) [UIImage imageNamed:[UIUtil imageName:_pointer]</code></pre>    <p>//建议使用前两种宏定义,性能高于后者</p>    <p>颜色类</p>    <ul>     <li> <p>rgb颜色转换(16进制->10进制)</p> </li>    </ul>    <pre>  <code class="language-objectivec"> #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]</code></pre>    <ul>     <li> <p>带有RGBA的颜色设置</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define COLOR(R, G, B, A) [UIColor colorWithRed:R/255.0 green:G/255.0 blue:B/255.0 alpha:A]</code></pre>    <ul>     <li> <p>获取RGB颜色</p> </li>    </ul>    <pre>  <code class="language-objectivec"> #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)</code></pre>    <ul>     <li> <p>背景色</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define BACKGROUND_COLOR [UIColor colorWithRed:242.0/255.0 green:236.0/255.0 blue:231.0/255.0 alpha:1.0]</code></pre>    <ul>     <li> <p>清除背景色</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #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)]</code></pre>    <p>其他</p>    <ul>     <li> <p>方正黑体简体字体定义</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define FONT(F) [UIFont fontWithName:@"FZHTJW--GB1-0" size:F]</code></pre>    <ul>     <li> <p>定义一个API</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define APIURL                @"http://xxxxx/"</code></pre>    <ul>     <li> <p>登录API</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define APILogin              [APIURL stringByAppendingString:@"Login"]</code></pre>    <ul>     <li> <p>设置View的tag属性</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define VIEWWITHTAG(_OBJECT, _TAG)    [_OBJECT viewWithTag : _TAG]</code></pre>    <ul>     <li> <p>程序的本地化,引用国际化的文件</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define MyLocal(x, ...) NSLocalizedString(x, nil)</code></pre>    <ul>     <li> <p>G-C-D</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #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)</code></pre>    <ul>     <li> <p>NSUserDefaults 实例化</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define USER_DEFAULT [NSUserDefaults standardUserDefaults]</code></pre>    <ul>     <li> <p>由角度获取弧度</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define degreesToRadian(x) (M_PI * (x) / 180.0)</code></pre>    <ul>     <li> <p>由弧度获取角度</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #define radianToDegrees(radian) (radian*180.0)/(M_PI)</code></pre>    <ul>     <li> <p>单例化一个类</p> </li>    </ul>    <pre>  <code class="language-objectivec">  #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</code></pre>    <p> </p>    <p>来自:http://www.cocoachina.com/ios/20161207/18310.html</p>    <p> </p>