iPhone：在代码中的导航栏中将信息按钮添加为右侧栏按钮项 [英] iPhone: Adding Info button as right bar button item in navigation bar in code

问题描述

有没有人在代码中创建信息按钮（圆形中的i），然后将其指定为导航栏的右侧栏按钮项目？

Has anyone had any success creating an info button (italic 'i' in a circle) in code (read: without Interface Builder), and then assigning it as the right bar button item of a navigation bar?

我看过无处不在，我甚至不能找到如何在代码中创建信息按钮。任何帮助将非常感激。

I've looked everywhere, and I can't even find how to create an info button in code. Any help would be greatly appreciated.

推荐答案

UIButton *btn = [UIButton buttonWithType:UIButtonTypeInfoDark];
self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:btn];

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