iOS 获取当前设备屏幕宽和高

#define GZDeviceWidth ([UIScreen mainScreen].bounds.size.width)
#define GZDeviceHeight ([UIScreen mainScreen].bounds.size.height)

//引用GZDeviceWidth 即为当前屏幕实际宽
//引用GZDeviceHeight 即为当前屏幕实际高
原文地址:https://www.cnblogs.com/gaozhang12345/p/7693469.html