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
- [ SPOJ RESTACK ] Restacking haybales
\(\\\) Description 给出一个环,每个位置有一个初值 \(A_i\),有一个目标值 \(B_i\),保证 \(\sum A_i=\sum B_i\) 每个位置只能把值分给隔壁的,每次分 ...
- leetcode126 Word Ladder II
思路: 宽搜过程中分层记录路径,递归还原.实现: class Solution { public: void getPath(string now, string beginWord, string ...
- Python自动监控错误日志
平时在查看日志的时候打开满屏的日志,看上去有点凌乱.于是写个Python脚本过滤出想要看的错误的日志.直接上脚本 脚本示例 def read_log(logname,keyword): tell = ...
- 华硕(ASUS)X554LP笔记本在64位win7下无线网络连接问题
还是那台华硕(ASUS)X554LP笔记本,无线网卡为 Qualcomm Atheros AR956x,某天换了个环境,WIFI(此处简称为WIFI网A)就连不上网了.手机.其它笔记本用无线连接都没问 ...
- Jmeter之重定向请求
一.自动重定向和跟随重定向的区别 自动重定向:状态码一般是200.20X.当重定向自动跳转时,只针对GET和Head请求,自动重定向自动跳转到最终目标页面,当HTTP请求为自动重定向时,JMeter不 ...
- Codeforces985E. Pencils and Boxes (单调队列)
题意:n个数 把他们放进一些盒子里 每个盒子最少放k个数 且最小和最大的差不能大于d 题解:显然排个序 对于当前点 存一下前面有哪些节点可以当作结尾 那么就可以枚举这些点的下一个点作为起点能否和当前点 ...
- python logger日志
直接上代码 import logging import logging.handlers import datetime import time import threading from conf. ...
- jekyll本地环境搭建(Windows)
序:最近一直在搞Github建站,所以一直没机会写文章,那边的环境虽然搞好了,但是网站的界面却是个问题,不想用别人的,总想自己设计个,却感觉没经验吧,就一直耽搁了.所以也就没心情在那边写文章,很久没写 ...
- ie6,ie7,ie8,FF 浏览器兼容问题
javascript部分 1. document.form.item 问题问题:代码中存在 document.formName.item("itemName") 这样的语句,不能在 ...
- Python使用Flask框架,结合Highchart处理csv数据(引申-从文件获取数据--从数据库获取数据)
参考链接:https://www.highcharts.com.cn/docs/process-text-data-file 1.javascript代码 var options = { chart: ...