(一)PCH文件操作步骤演示:
第一步:图文所示:
第二步:图文所示:
(二)常用宏定义整理:
(1)常用Log日志宏(输出日志详细可定位某个类、某个函数、某一行)
//============================================================NSLog #ifdef DEBUG #define DDLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__) #define BASE_URL @"" #else #define DDLog(...) #define BASE_URL @"" #endif #ifdef DEBUG #define DDString [NSString stringWithFormat:@"%s", __FILE__].lastPathComponent #define DDLog(...) printf("%s: %s [%d]: %snn",[[NSString dh_stringDate] UTF8String], [DDString UTF8String] ,__LINE__, [[NSString stringWithFormat:__VA_ARGS__] UTF8String]); #define BASE_URL @"" #else #define DDLog(...) #define BASE_URL @"" #endif //============================================================(第二个比较详细适应于真机模拟器)
#pragma mark - 其中第二个宏定义中会用到(NSString分类文件,该文件如下) // NSString+DHExtension.h 文件中 #import <Foundation/Foundation.h> @interface NSString (DHExtension) /** Log日志会用到 @return NSString */ + (NSString *)dh_stringDate; @end // NSString+DHExtension.m 文件中 #import "NSString+DHExtension.h" @implementation NSString (DHExtension) #pragma mark - Log日志会用到 + (NSString *)dh_stringDate { NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; [dateFormatter setDateFormat:@"YYYY-MM-dd hh:mm:ss"]; NSString *dateString = [dateFormatter stringFromDate:[NSDate date]]; return dateString; } @end
(2)常用屏幕适配宏(方法有很多可以灵活运用)
//============================================================UIScreen/iPhone机型判断 // 屏幕宽 #define DDScreenW [UIScreen mainScreen].bounds.size.width // 屏幕高 #define DDScreenH [UIScreen mainScreen].bounds.size.height // 用户机型判断宏 #define DDCurrentModeSize [[UIScreen mainScreen] currentMode].size // 判断是否是iPad #define DDiPad ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad) // 判断iPhone4系列 #define DDiPhone4 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 960), DDCurrentModeSize) && !DDiPad : NO) // 判断iPhone5系列 #define DDiPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), DDCurrentModeSize) && !DDiPad : NO) // 判断iPhone6系列(包含iPhone6/iPhone7/iPhone8) #define DDiPhone6 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(750, 1334), DDCurrentModeSize) && !DDiPad : NO) // 判断iphone6P系列(包含iPhone6P/iPhone7P/iPhone8P) #define DDiPhoneP ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1242, 2208), DDCurrentModeSize) && !DDiPad : NO) // 判断iPhoneX #define DDiPhoneX ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1125, 2436), DDCurrentModeSize) && !DDiPad : NO) // 判断iPHoneXr #define DDiPhoneXr ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(828, 1792), DDCurrentModeSize) && !DDiPad : NO) // 判断iPhoneXs #define DDiPhoneXs ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1125, 2436), DDCurrentModeSize) && !DDiPad : NO) // 判断iPhoneXs Max #define DDiPhoneXsMax ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1242, 2688), DDCurrentModeSize) && !DDiPad : NO) // 顶部NavBar高度 #define DDNavBarH ((DDiPhoneX==YES || DDiPhoneXr==YES || DDiPhoneXs==YES || DDiPhoneXsMax==YES) ? 88.0 : 64.0) // 底部TabBar高度 #define DDTabBarH ((DDiPhoneX==YES || DDiPhoneXr==YES || DDiPhoneXs==YES || DDiPhoneXsMax==YES) ? 83.0 : 49.0) // 顶部StatusBar高度 #define DDStatusBarH ((DDiPhoneX==YES || DDiPhoneXr==YES || DDiPhoneXs==YES || DDiPhoneXsMax==YES) ? 44.0 : 20.0) // 判断是不是刘海屏(iPhoneX系列) #define DDiPhoneNewX ((DDNavBarH==88.0 || DDiPhoneXr==83.0 || DDStatusBarH==44.0) ? YES : NO) // 底部安全区域高度 #define DDTabbarSafeH (DDiPhoneNew ? 34.f : 0.f) // 顶部适配系统方法 #define STATUS_BAR_FRAME [[UIApplication sharedApplication] statusBarFrame] // iPhoneX系列判断(包含iPhone X/iPhone XS/iPhone XS Max/iPhone XR) #define DDIS_iPhoneX (CGSizeEqualToSize(CGSizeMake(375.f, 812.f), [UIScreen mainScreen].bounds.size) || CGSizeEqualToSize(CGSizeMake(812.f, 375.f), [UIScreen mainScreen].bounds.size) || CGSizeEqualToSize(CGSizeMake(414.f, 896.f), [UIScreen mainScreen].bounds.size) || CGSizeEqualToSize(CGSizeMake(896.f, 414.f), [UIScreen mainScreen].bounds.size)) //============================================================UIScreen/iPhone机型判断(方法有很多种灵活运用)
(3)其他宏运用补充:
//============================================================RGB #define DDRGBColor(r, g, b) [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:1.0] #define DDBackGroundRGB DDRGBColor(236, 236, 236) #define UIColorFromHex(s) [UIColor colorWithRed:(((s & 0xFF0000) >> 16))/255.0green:(((s &0xFF00) >>8))/255.0blue:((s &0xFF))/255.0alpha:1.0] //============================================================默认图片 #define DDPlaceImage [UIImage imageNamed:@"imageName.png"] //============================================================SELF #define WeakSelf(weakSelf) __weak __typeof(self) weakSelf = self;
(三)后续常用宏定义会慢慢补充;
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