如何在 iOS7 中更改 UISearchBar 的取消按钮的 textColor?

问题描述

我需要更改iOS7中UISearchBar的取消按钮文本的颜色.

I need to change the color of Cancel button text of UISearchBar in iOS7.

通常 UISearchBar 取消按钮 textColor 是蓝色的，我想将 textColor 更改为 redColor.

Normally UISearchBar Cancel button textColor is blue and I want to change textColor to redColor.

我该如何更改?

推荐答案

我找到了自己问题的答案.

I found answers for my own questions.

这是代码，如果要更改所有取消按钮，请添加AppDelegate.

Here is code , add in AppDelegate if you want to change all cancel button.

[[UIBarButtonItem appearanceWhenContainedIn:[UISearchBar class], nil] setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:
                                                                                                  [UIColor redColor],
                                                                                                  UITextAttributeTextColor,
                                                                                                  [UIColor whiteColor],
                                                                                                  UITextAttributeTextShadowColor,
                                                                                                  [NSValue valueWithUIOffset:UIOffsetMake(0, 1)],
                                                                                                  UITextAttributeTextShadowOffset,
                                                                                                  nil]
                                                                                        forState:UIControlStateNormal];

斯威夫特:

let attributes = [NSForegroundColorAttributeName : UIColor.red]
    UIBarButtonItem.appearance(whenContainedInInstancesOf: [UISearchBar.self]).setTitleTextAttributes(attributes, for: .normal)

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