判斷設備是否是ipad

BOOL isPad() {

#ifdef UI_USER_INTERFACE_IDIOM

return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad);

#else

return NO;

#endif

}

判斷設備是否是iphone5

#define iPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) : NO)

判斷當前設備的版本

[[[UIDevice currentDevice] systemVersion] floatValue]

寫成宏

#define IOS_VERSION [[[UIDevice currentDevice] systemVersion] floatValue]