以下拿IphoneX為例
#define APP_SCREEN_WIDTH (APP_SCREEN_BOUNDS.size.width)
#define APP_SCREEN_HEIGHT (APP_SCREEN_BOUNDS.size.height)
CGFloat screenScale = [UIScreen mainScreen].scale;
// 橫向分辨率
CGFloat screenX = APP_SCREEN_WIDTH * screenScale;
// 豎直分辨率
CGFloat screenY = APP_SCREEN_HEIGHT * screenScale;
NSLog(@"橫向分辨率%lf 豎直分辨率%lf",screenX,screenY);
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