gkfadenavigationcontroller's Introduction

GKFadeNavigationController

This is an example implementation of a UINavigationController with support of animated hiding and showing it's Navigation Bar.

Try it yourself

Online simulator on appetize.io

Features

Animates tint color
Takes care of the status bar color
Similar pattern to -preferredStatusbarStyle
Uses native controls where possible (e.g. back button)
Native looking translucent header
Demo project with elastic header image
iPhone X support
Black navigation bar style support

Installation

GKFadeNavigationController is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod "GKFadeNavigationController"

Then update your pods with pod install.

Usage

To run the example project, clone the repo, and run pod install from the Example directory first.
Set your Navigation Controller class to GKFadeNavigationController in Storyboard
Make your view controllers to conform GKFadeNavigationControllerDelegate protocol
Implement -preferredNavigationBarVisibility (return GKFadeNavigationControllerNavigationBarVisibilityHidden or GKFadeNavigationControllerNavigationBarVisibilityVisible)
Send a -setNeedsNavigationBarVisibilityUpdateAnimated:animated message to the navigation controller when you want to hide or show the navigation bar

You can see the attached demo project for easier reference.

Requirements

iOS 8 SDK

Works fine with iOS 11.

Known limitations

Items under the header are not clickable
Changing the status bar color happens in -viewDidAppear currently

Feel free to contribute or send me pull requests.

Changelog

GitHub Changelog and releases

Author

Gruber Kristóf, [email protected], @gklka

License

GKFadeNavigationController is available under the MIT license. See the LICENSE file for more info.

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gkfadenavigationcontroller's Issues

How do you make navbar Black and bar button items white ?

iOS 10 breaks the title and navigation bar buttons

Everything was working fine with this until iOS 10 when i started facing this issue. Using this causes the title and navigation bar buttons to disappear after a detail view controller is pushed on the navigation controller. more details here. removing it fixes the issue:

http://stackoverflow.com/questions/39212074/ios-10-beta-makes-navigation-bar-buttons-and-title-disappear-on-pushviewcontroll

NavBar is not using the background colors set by the Appearance Proxy

I use the appearance proxy in my app to have the same navbar colors everywhere in my app.

The FadeNavigationController stays the original color.

Going from system controller to custom header controller during the animation the header is black

In iOS 12 the navigation bar buttons and title disappear when show navigationbar

三方链接

http://www.jianshu.com/p/6475c90e8b4d

iOS 11上发生崩溃

具体来说，是这行代码引起的，似乎在iOS11上模糊不能够在添加子视图？ [_visualEffectView addSubview:shadowView];

(UIVisualEffectView *)visualEffectView {
if (!_visualEffectView) {
// Create a the fake navigation bar background
UIVisualEffect *blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleExtraLight];

  _visualEffectView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
  _visualEffectView.frame = CGRectMake(0, -20.f, self.view.frame.size.width, 64.f);
  _visualEffectView.autoresizingMask = UIViewAutoresizingFlexibleWidth;
  _visualEffectView.userInteractionEnabled = NO;
  
  // Shadow line
  UIView *shadowView = [[UIView alloc] initWithFrame:CGRectMake(0, 63.5f, self.view.frame.size.width, 0.5f)];
  shadowView.backgroundColor = [UIColor colorWithWhite:0 alpha:0.2f];
  shadowView.autoresizingMask = UIViewAutoresizingFlexibleWidth;

// [_visualEffectView addSubview:shadowView];
}

return _visualEffectView;

}

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