iOS 规范之宏
#pragma mark ============= 适配11系统 Available in iOS 7.0 and later. =============
简单点说就是automaticallyAdjustsScrollViewInsets根据按所在界面的status bar,navigationbar,与tabbar的高度,自动调整scrollview的 inset,设置为no,不让viewController调整,我们自己修改布局
/**iOS 11 automaticallyAdjustsScrollViewInsets的问题*/
#define adjustsScrollViewInsets_NO(scrollView,vc)\
_Pragma("clang diagnostic push") \
_Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"") \
if (@available(iOS 11.0,*)) {\
scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;\
} else {\
self.automaticallyAdjustsScrollViewInsets = NO;\
}\
_Pragma("clang diagnostic pop") \
#pragma mark ============= 方正黑体简体字体定义 =============
#define XH_FONT(__SIZE__) [UIFont fontWithName:@"FZHTJW--GB1-0" size:__SIZE__]
#pragma mark ============= DEBUG 模式下打印日志,当前行 =============
#ifdef DEBUG
# define DLog(fmt, ...) NSLog((@"%s [Line %d] " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);
#else
# define DLog(...)
#endif
#pragma mark ============= 重写NSLog,Debug模式下打印日志和当前行数 =============
#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
#pragma mark ============= 获取系统版本 =============
#define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue]
#define CurrentSystemVersion [[UIDevice currentDevice] systemVersion]
#pragma mark ============= 获取当前语言 =============
#define CurrentLanguage ([[NSLocale preferredLanguages] objectAtIndex:0])
#pragma mark ============= rgb颜色转换(16进制->10进制) =============
#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]
#pragma mark ============= 单例化一个类 =============
#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; \
}
#pragma mark ============= 适配各手机屏幕 =============
#import <UIKit/UIKit.h>
UIKIT_STATIC_INLINE CGFloat CGFloatBasedI375(CGFloat size) {
// 对齐到2倍数
return trunc(size * UIScreen.mainScreen.bounds.size.width / 375 * 2) / 2.0;
}
#pragma mark ============= 弱引用 =============
#define WS(weakself) __weak __typeof(&*self)weakself = self