iOS常用的宏定义总结
字符串是否为空
|
1
|
#define kStringIsEmpty(str) ([str isKindOfClass:[NSNull class]] || str == nil || [str length] < 1 ? YES : NO ) |
数组是否为空
|
1
|
#define kArrayIsEmpty(array) (array == nil || [array isKindOfClass:[NSNull class]] || array.count == 0) |
字典是否为空
|
1
|
#define kDictIsEmpty(dic) (dic == nil || [dic isKindOfClass:[NSNull class]] || dic.allKeys == 0) |
是否是空对象
|
1
2
3
4
|
#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)) |
获取屏幕宽度与高度 ( " \ ":连接行标志,连接上下两行 )
|
1
2
3
4
5
6
|
#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) |
一些常用的缩写
|
1
2
3
4
5
|
#define kApplication [UIApplication sharedApplication] #define kKeyWindow [UIApplication sharedApplication].keyWindow #define kAppDelegate [UIApplication sharedApplication].delegate #define kUserDefaults [NSUserDefaults standardUserDefaults] #define kNotificationCenter [NSNotificationCenter defaultCenter] |
APP版本号
|
1
|
#define kAppVersion [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"] |
系统版本号
|
1
|
#define kSystemVersion [[UIDevice currentDevice] systemVersion] |
获取当前语言
|
1
|
#define kCurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0]) |
判断是否为iPhone
|
1
|
#define kISiPhone (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) |
判断是否为iPad
|
1
|
#define kISiPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) |
获取沙盒Document路径
|
1
|
#define kDocumentPath [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject] |
获取沙盒temp路径
|
1
|
#define kTempPath NSTemporaryDirectory() |
获取沙盒Cache路径
|
1
|
#define kCachePath [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) firstObject] |
判断是真机还是模拟器
|
1
2
3
4
5
6
|
#if TARGET_OS_IPHONE //真机 #endif #if TARGET_IPHONE_SIMULATOR //模拟器 #endif |
开发的时候打印,但是发布的时候不打印的NSLog
|
1
2
3
4
5
|
#ifdef DEBUG #define NSLog(...) NSLog(@"%s 第%d行 \n %@\n\n",__func__,__LINE__,[NSString stringWithFormat:__VA_ARGS__]) #else #define NSLog(...) #endif |
颜色
|
1
2
3
4
5
6
7
|
#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] |
弱引用/强引用
|
1
2
|
#define kWeakSelf(type) __weak typeof(type) weak##type = type; #define kStrongSelf(type) __strong typeof(type) type = weak##type; |
由角度转换弧度
|
1
|
#define kDegreesToRadian(x) (M_PI * (x) / 180.0) |
由弧度转换角度
|
1
|
#define kRadianToDegrees(radian) (radian * 180.0) / (M_PI) |
获取一段时间间隔
|
1
2
|
#define kStartTime CFAbsoluteTime start = CFAbsoluteTimeGetCurrent(); #define kEndTime NSLog(@"Time: %f", CFAbsoluteTimeGetCurrent() - start) |
宏(指令)定义
|
1
2
|
#ifndef MacroDefinition_h // 如果没定义#define MacroDefinition_h |
获取设备尺寸大小
NavBar高度
|
1
|
#define NavigationBar_HEIGHT 44 |
获取屏幕 宽度、高度
|
1
2
|
#define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width) #define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height) |
打印日志
DEBUG 模式下打印日志,当前行
|
1
2
3
4
5
|
#ifdef DEBUG # define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__); #else # define DLog(...) #endif |
重写NSLog,Debug模式下打印日志和当前行数
|
1
2
3
4
5
|
#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 模式下打印日志,当前行 并弹出一个警告
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
#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.
|
1
2
3
4
5
|
#ifdef ITTDEBUG #define ITTDPRINT(xx, ...) NSLog(@"%s(%d): " xx, __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__) #else #define ITTDPRINT(xx, ...) ((void)0) #endif |
打印当前方法的名称
|
1
|
#define ITTDPRINTMETHODNAME() ITTDPRINT(@"%s", __PRETTY_FUNCTION__) |
Log-level based logging macros.
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
#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) |
系统
是否iPad
|
1
|
#define isPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) |
是否iPad
|
1
|
#define someThing (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)? ipad: iphone |
获取系统版本
|
1
2
|
#define IOS_VERSION [[UIDevice currentDevice] systemVersion] floatValue] #define CurrentSystemVersion [UIDevice currentDevice] systemVersion] |
获取当前语言
|
1
|
#define CurrentLanguage ([NSLocale preferredLanguages] objectAtIndex:0]) |
判断是否 Retina屏、设备是否为iPone 5、是否是iPad
|
1
2
3
|
#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) |
判断设备的操做系统是不是ios7
|
1
|
#define IOS7 ([[UIDevice currentDevice].systemVersion doubleValue] >= 7.0] |
判断当前设备是不是iphone5
|
1
|
#define kScreenIphone5 (([UIScreen mainScreen] bounds].size.height)>=568) |
获取当前屏幕的高度
|
1
|
#define kMainScreenHeight ([UIScreen mainScreen].applicationFrame.size.height) |
获取当前屏幕的宽度
|
1
|
#define kMainScreenWidth ([UIScreen mainScreen].applicationFrame.size.width) |
定义一个define函数
|
1
|
#define TT_RELEASE_CF_SAFELY(__REF) { if (nil != (__REF)) { CFRelease(__REF); __REF = nil; } } |
判断是真机还是模拟器
|
1
2
3
4
|
#if TARGET_OS_IPHONE //iPhone Device #endif #if TARGET_IPHONE_SIMULATOR //iPhone Simulator #endif |
检查系统版本
|
1
2
3
4
5
|
#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) |
内存
使用ARC和不使用ARC
|
1
2
3
4
5
|
#if __has_feature(objc_arc) //compiling with ARC #else // compiling without ARC #endif |
|
1
2
|
#pragma mark - common functions #define RELEASE_SAFELY(__POINTER) { [__POINTER release]; __POINTER = nil; } |
释放一个对象
|
1
2
|
#define SAFE_DELETE(P) if(P) { [P release], P = nil; } #define SAFE_RELEASE(x) [x release];x=nil |
图片
读取本地图片
|
1
|
#define LOADIMAGE(file,ext) [UIImage imageWithContentsOfFile:[NSBundle mainBundle]pathForResource:file ofType:ext] |
定义UIImage对象
|
1
|
#define IMAGE(A) [UIImage imageWithContentsOfFile:[NSBundle mainBundle] pathForResource:A ofType:nil] |
定义UIImage对象
|
1
|
#define ImageNamed(_pointer) [UIImage imageNamed:[UIUtil imageName:_pointer] |
//建议使用前两种宏定义,性能高于后者
颜色类
rgb颜色转换(16进制->10进制)
|
1
|
#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] |
带有RGBA的颜色设置
|
1
|
#define COLOR(R, G, B, A) [UIColor colorWithRed:R/255.0 green:G/255.0 blue:B/255.0 alpha:A] |
获取RGB颜色
|
1
2
|
#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
|
1
|
#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
|
1
2
3
4
|
#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)] |
其他
方正黑体简体字体定义
|
1
|
#define FONT(F) [UIFont fontWithName:@"FZHTJW--GB1-0" size:F] |
定义一个API
|
1
|
#define APIURL @"http://xxxxx/" |
登录API
|
1
|
#define APILogin [APIURL stringByAppendingString:@"Login"] |
设置View的tag属性
|
1
|
#define VIEWWITHTAG(_OBJECT, _TAG) [_OBJECT viewWithTag : _TAG] |
程序的本地化,引用国际化的文件
|
1
|
#define MyLocal(x, ...) NSLocalizedString(x, nil) |
G-C-D
|
1
2
|
#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 实例化
|
1
|
#define USER_DEFAULT [NSUserDefaults standardUserDefaults] |
由角度获取弧度
|
1
|
#define degreesToRadian(x) (M_PI * (x) / 180.0) |
由弧度获取角度
|
1
|
#define radianToDegrees(radian) (radian*180.0)/(M_PI) |
单例化一个类
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
#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 |
iOS常用的宏定义总结的更多相关文章
- iOS - 常用的宏定义
1.处理NSLog事件(开发者模式打印,发布者模式不打印) 1 2 3 4 5 #ifdef DEBUG #define NSLog(FORMAT, ...) fprintf(stderr,& ...
- iOS常用define宏定义
1. 屏幕宽高及常用尺寸 #define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)#define SCREEN_HEIGHT ([U ...
- IOS 常用的宏定义(#define)
开发中经常用到的常量定义(随时更行): 与UIView相关 //获取View的frame属性 #define GetViewWidth(view) view.frame.size.width #def ...
- iOS开发笔记--宏定义的黑魔法 - 宏菜鸟起飞手册
宏定义在C系开发中可以说占有举足轻重的作用.底层框架自不必说,为了编译优化和方便,以及跨平台能力,宏被大量使用,可以说底层开发离开define将寸步难行.而在更高层级进行开发时,我们会将更多的重心放在 ...
- iOS开发之--宏定义与const的区别及使用方法
宏定义的常见用法: 定义一段代码,或指定字符串抽成宏. const(常量): 当有字符串常量的时候,苹果推荐我们使用const,苹果经常把常用的字符串定义成const 宏定义与const的区别: 编译 ...
- 在oc中一些常用的宏定义总结
1.打印CGRect,Size,Point #define NSLogRect(rect) NSLog(@"%s x:%.4f, y:%.4f, w:%.4f, h:%.4f", ...
- iOS技巧,宏定义
aaarticlea/png;base64,iVBORw0KGgoAAAANSUhEUgAAAnoAAAPCCAYAAADvRHWgAAAAAXNSR0IArs4c6QAAAZ1pVFh0WE1MOm
- iOS: 常用的宏
Github地址:https://github.com/XFZLDXF/Macro/blob/master/MacroDefinition.h // // MacroDefinition.h // M ...
- iOS中常用的宏定义
转自http://www.jianshu.com/p/be00c3f3cafd //字符串是否为空 #define kStringIsEmpty(str) ([str isKindOfClass:[N ...
随机推荐
- P2668 斗地主 dp+深搜版
题目描述 牛牛最近迷上了一种叫斗地主的扑克游戏.斗地主是一种使用黑桃.红心.梅花.方片的A到K加上大小王的共54张牌来进行的扑克牌游戏.在斗地主中,牌的大小关系根据牌的数码表示如下:3<4< ...
- html5前端杂记
首先是css的一些知识 毕竟自己懂得不多,但是一看资料.感觉似曾相识 <style> .red-text { color: red; } </style>//这里是css样式的 ...
- 远程监视jboss应用java内存的配置(实测) .
前言 因为最近一个项目部署在客户那边运行一个月左右就会出现java内存溢出的问题,为了时时监控java内存的情况需要,需要远程查看服务器上java内存的一些情况.在公司模拟部署了远程监视linux下项 ...
- bootstrap插件bootbox参数和自定义弹出框宽度设置
插件官方地址:http://bootboxjs.com/ alert: 1 bootbox.alert("Hello world!", function() {}); dialog ...
- Jmeter在Windows上分布式压测遇到的坑
1.五星坑:远程启动测试,响应数据为空. controller运行jmeter脚本后,GUI无性能数据返回. agent的jmeter server显示连接后立即结束.看似执行实则响应数据为空. 出现 ...
- 梦想CAD控件COM接口文字样式
增加文字样式 用户可以增加文字样式到数据库,并设置其字体等属性,具体实现c#代码如下: private void CreateText() { MxDrawApplication app = new ...
- 浮动和margin负值 三列布局
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8" ...
- [USACO] 打井 Watering Hole
题目描述 Farmer John has decided to bring water to his N (1 <= N <= 300) pastures which are conven ...
- 每日命令:(5)rm
昨天学习了创建文件和目录的命令mkdir ,今天学习一下linux中删除文件和目录的命令: rm命令.rm是常用的命令,该命令的功能为删除一个目录中的一个或多个文件或目录,它也可以将某个目录及其下的所 ...
- nginx4win10 文件下载服务器
默认root是Nginx下目录html. 我们在其目录下新建download目录,然后在该目录下copy几个供下载的文件. 在浏览器输入http://localhost:9001/download/y ...