ZSNavigationBar uses category to allow you change UINavigationBar appearance dynamically.(supported iOS 11+)

• Swift：

1. Add pod 'ZSNavigationBar' to your Podfile.
2. Run pod install or pod update.
3. Import ZSNavigationBar.

• Objective-c：

1. Add pod 'ZSNavigationBar-oc' to your Podfile.
2. Run pod install or pod update.
3. Import ZSNavigationBar.

1. Add all files under Source-oc or Source-swift folder.
2. Link with required frameworks: UIKit.
3. If you use oc version, just import UINavigationBar+custom.h.

• iOS 8+
• Xcode 9+
• swift 3.0+
• Objective-c

• Swift：

The category includes several methods that helps to change UINavigationBar's appearance dynamically:

func setCustomBackgroundColor(_ backgroundColor: UIColor)
func setCustomTranslationY(translationY: CGFloat)
func reset()

And usually in viewWillDisappear, you should call this method to avoid any side effects:

override func viewWillDisappear(_ animated: Bool) {
  super.viewWillDisappear(animated)
  self.navigationController?.navigationBar.reset()
}

• Objective-c：

First, import this lib:

#import "UINavigationBar+Custom.h"

The category includes several methods that helps to change UINavigationBar's appearance dynamically

- (void)zs_setBackgroundColor:(UIColor *)backgroundColor;
- (void)zs_setTranslationY:(CGFloat)translationY;
- (void)zs_reset;

And usually in viewWillDisappear, you should call this method to avoid any side effects:

- (void)viewWillDisappear:(BOOL)animated {
  [super viewWillDisappear:animated];
  [self.navigationController.navigationBar zs_reset];
}

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