How to change background color of UINavigationItem?

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-上瘾入骨i
-上瘾入骨i 2021-01-04 07:03

I have a UINavigationItem, but I can\'t found anything beside tittle, prompt, and back button in attribute inspector

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4条回答
  • 2021-01-04 07:30

    For Swift 4

      self.navigationController?.navigationBar.isTranslucent = false;
      self.navigationController?.navigationBar.backgroundColor = .white
    
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  • 2021-01-04 07:44

    One possible solution is to embed the View Controller it is containing the Navigation Item in a Navigation Controller and access to properties color of Navigation Bar:

    // Color title 'navigationItem'
    UINavigationBar.appearance().titleTextAttributes = [NSForegroundColorAttributeName: UIColor.whiteColor()]
    
    // Background 'navigationBar'
    UINavigationBar.appearance().barTintColor = UIColor.blackColor()
    
    // Color title 'navigationBar'
    let color = UIColor.orangeColor()
    self.navigationController?.navigationBar.topItem?.backBarButtonItem?.setTitleTextAttributes(
        [NSForegroundColorAttributeName: color], forState: .Normal)
    
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  • 2021-01-04 07:47

    You can change it through code...

    For Objective-C:

        self.navigationController.navigationBar.barTintColor = [UIColor redColor];
    

    Write Above line in viewDidLoad method.

    For Swift:

        self.navigationController?.navigationBar.barStyle = UIBarStyle.BlackTranslucent
    
        self.navigationController?.navigationBar.barTintColor  = UIColor.redColor();
    

    OR

        self.navigationController!.navigationBar .setBackgroundImage(UIImage .new(), forBarMetrics: UIBarMetrics.Default)
        self.navigationController!.navigationBar.shadowImage = UIImage .new();
        self.navigationController!.navigationBar.translucent = true;
        self.navigationController!.navigationBar.backgroundColor = UIColor.redColor();
    

    You can change color on your own choice.

    To change the bar Text...

    navigationController.navigationBar.titleTextAttributes = [UITextAttributeTextColor: UIColor.blueColor()]
    

    See the Link.... Here

    enter image description here

    See the above image... you like output like this screen right...!!!

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  • 2021-01-04 07:49

    You shouldn't use the background property of UINavigationBar, but instead you should use barTintColor like this:

    self.navigationController.navigationBar.barTintColor = UIColor.redColor()
    

    As written in the official documentation to change the bar background you have to access to the barTintColor property:

    The tint color to apply to the navigation bar background.
    

    If you want to edit the style of the navigation bar such as button color you should access to the barTint property. If you want to edit the style of an navigationItem such as back button you should edit the button property, not the UINavigationItem's.

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