选择项目时如何更改UITabItem的背景颜色 [英] How do I change background color of UITabItem when item is selected

问题描述

当用户选择选项卡栏项目时，我希望其背景颜色与未选择时不同.

I would like a different background color when the user selects a tab bar item than when it is unselected.

推荐答案

将此放在application didFinishLaunchingWithOptions

UIImage *whiteBackground = [UIImage imageNamed:@"whiteBackground"];
[[UITabBar appearance] setSelectionIndicatorImage:whiteBackground];

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