iOS 12.0:有没有办法将 MFMailComposeViewController 导航栏标题的文本设置为白色? [英] iOS 12.0 : Is there a way to set MFMailComposeViewController navigation bar title's text to white?

问题描述

目前，我还没有找到针对 iOS 12.0 执行此操作的方法.我试过像这样设置条形色调.

Currently, I haven't found a way to do this for iOS 12.0. I've tried setting bar tint like so.

[mailController.navigationBar setTintColor:[UIColor whiteColor]];

然后，我尝试使用以下代码设置标题文本属性

Then, I tried setting the title text attribute with the following code

   [mailController.navigationController.navigationBar setTitleTextAttributes:
 @{NSForegroundColorAttributeName:[UIColor WhiteColor]};

我尝试了在 StackOverflow 上找到的更多选项，但都没有奏效.我希望有人找到一种可靠的方法来更改导航栏标题文本颜色.无论我做什么，它都会保持黑色.栏按钮的颜色正确更改，但导航栏标题没有正确更改.

I've tried more options that I found on StackOverflow, but none of them worked. I am hoping that someone found a reliable way to change the navigation bar title text color. It stays black no matter what I do. The bar button's colors change correctly, but not the navigation bar title.

推荐答案

您能否尝试其中一种可以让您设置导航栏颜色.例如:如果导航栏为黑色，则文本设置为白色.

Can you please try either one of these which lets you set the navigation bar color. For example: If the navigation bar is black color, then the text is set to white.

[[UINavigationBar 外观] setBarStyle: UIBarStyleBlack]

或

[[UINavigationBar 外观] setBarTintColor:[UIColor whiteColor]

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