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以下swift語句的obj c代碼是什麼?什麼是self.view.traitCollection.horizontalSizeClass的Objective C等價物?
if (self.view.traitCollection.horizontalSizeClass == UIUserInterfaceSizeClass.Compact)
我想通了,至今被保險費可予退回之下,但它給錯誤,當我加入self.view
if ([self.view UITraitCollection traitCollectionWithHorizontalSizeClass:UIUserInterfaceSizeClassCompact])
{
NSLog(@"Compact");
}
三江源的幫幫我 – ios