iOS 屏幕适配

判断是否是ipad

#define isPad ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad)

判断iPhone4系列

#define kiPhone4 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 960), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)

判断iPhone5系列

#define kiPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)

判断iPhone6系列

#define kiPhone6 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(750, 1334), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)

判断iphone6+系列

#define kiPhone6Plus ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1242, 2208), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)

判断iPhoneX（和iPoneXs一致）

#define IS_IPHONE_X ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1125, 2436), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)

判断iPHoneXr

#define IS_IPHONE_Xr ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(828, 1792), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)

判断iPhoneXs（和iPoneX一致）

#define IS_IPHONE_Xs ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1125, 2436), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)

判断iPhoneXs Max

#define IS_IPHONE_Xs_Max ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(1242, 2688), [[UIScreen mainScreen] currentMode].size) && !isPad : NO)

Iphone X以上的安全区域的设置

判断是否为刘海屏状态栏的高度
#define Height_StatusBar ((IS_IPHONE_X == YES || IS_IPHONE_Xr == YES || IS_IPHONE_Xs == YES || IS_IPHONE_Xs_Max == YES) ? 44.0 : 20.0)

判断是否为刘海屏NavBar的高度
#define Height_NavBar ((IS_IPHONE_X == YES || IS_IPHONE_Xr == YES || IS_IPHONE_Xs == YES || IS_IPHONE_Xs_Max == YES) ? 88.0 : 64.0)

判断是否为刘海屏TabBar的高度
#define Height_TabBar ((IS_IPHONE_X == YES || IS_IPHONE_Xr == YES || IS_IPHONE_Xs == YES || IS_IPHONE_Xs_Max == YES) ? 83.0 : 49.0)

手机屏幕尺寸的判断

3.5英寸
#define isIphone_3Inch   [UIScreen mainScreen].bounds.size.height == 480

4英寸
#define isIphone_4Inch  [UIScreen mainScreen].bounds.size.height == 568

 4.7inch
#define isIphone_4.7Inch   [UIScreen mainScreen].bounds.size.height == 667

 5.5inch
#define isIphone_5.5Inch   [UIScreen mainScreen].bounds.size.height == 736

5.8inch
#define isIphone_5.8Inch   [UIScreen mainScreen].bounds.size.height == 812

 6.5inch
#define isIphone_6.5Inch   [UIScreen mainScreen].bounds.size.height == 896