导航栏中带有返回按钮的 UISegmentedControl [英] UISegmentedControl in the Navigation Bar with the Back button

问题描述

我正在以编程方式将 UISegmentedControl 添加到导航栏 titleView 应该在的位置.但正如 Apple docs 所提到的在 titleView 下，如果 leftBarButtonItem 不为 nil，则忽略此属性.

I'm adding a UISegmentedControl to the Navigation bar programatically where the titleView should be. But as Apple docs have mentioned under titleView, This property is ignored if leftBarButtonItem is not nil.

但我也想要返回按钮.就像他们在自己的图片中展示的一样！

But I want to have the back button as well. Like they have illustrated in their own images!

下面是我添加UISegmentedControl的代码.

self.navigationItem.leftBarButtonItem = nil;
UISegmentedControl *statFilter = [[UISegmentedControl alloc] initWithItems:[NSArray arrayWithObjects:@"Filter_Personnal", @"Filter_Department", @"Filter_Company", nil];
[statFilter setSegmentedControlStyle:UISegmentedControlStyleBar];
self.navigationItem.titleView = statFilter;

还有其他方法可以添加 UISegmentedControl 以及返回按钮吗?

Is there another way to add a UISegmentedControl along with the Back button as well?

谢谢.

推荐答案

试试这个

去掉这一行---> self.navigationItem.leftBarButtonItem = nil;

改为添加这个

UISegmentedControl *statFilter = [[UISegmentedControl alloc] initWithItems:[NSArray arrayWithObjects:@"Filter_Personnal", @"Filter_Department", @"Filter_Company", nil]];
[statFilter setSegmentedControlStyle:UISegmentedControlStyleBar];
[statFilter sizeToFit];
self.navigationItem.titleView = statFilter;

唯一的改变是我添加了这一行:

Only change is I have added this line :

[statFilter sizeToFit];

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