An easy way to change backgroundColor of UINavigationBar when Push & Pop

Related tags

Navigation Bar RainbowNavigation
Overview

image1

RainbowNavigation 中文介绍

Feature

RainbowNavigation is written in Swift 2.0. It helps you change the backgroundColor of UINavigationBar in animations and transitions.

image1 image2 image3

Requirements

  • iOS 8.0 +
  • Swift 3.0 +

Install

Carthage

Add following code to your Cartfile, and run carthage update:

github "DanisFabric/RainbowNavigation"

Usage

Change backgroundColor of UINavigationBar

Make UINavigationBar transparent

navigationBar.df_setBackgroundColor(UIColor.clearColor())

Restore the default values

navigationBar.df_reset()

You can add a mask for statusBar:

navigationBar.df_setStatusBarMaskColor(UIColor.blackColor().colorWithAlphaComponent(0.1))

Support UINavigationController Operations

  1. wire the UINavigationController to RainbowNavigation
lazy var rainbowNavigation = RainbowNavigation()
   override func viewDidLoad() {
        super.viewDidLoad()
        if let navController = self.navigationController {
            rainbowNavigation.wireTo(navigationController: navController)
        }
    }
  1. Your viewController need to confirm RainbowColorSource protocol, and offer the color which navigationBar will change into.
@objc public protocol RainbowColorSource {
    optional func navigationBarInColor() -> UIColor    
    optional func navigationBarOutColor() -> UIColor   
}

Demo

RainbowNavigation is simple to use, downlaod the demo project and learn more.

Author

DanisFabric, [email protected]

License

The MIT License (MIT)

Copyright © 2015 DanisFabric

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
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Comments
  • 混编，RainbowNavigation.swift 中的代理方法无法触发

    混编，RainbowNavigation.swift 中的代理方法无法触发

    现在通过打断点发现RainbowNavigation.swift中的UINavigationControllerDelegate相关的代理方法的没有触发过，自然数据源方法也不会触发。

    我自己也写了个 Swift 文件在项目中测试，同样无法触发 UINavigationController 对应的代理方法(e.g. navigationViewController willShowViewController)。

    求救...我觉得应该是我混编姿势有问题...

    opened by siegrainwong 2
  • [CHANGE] use of UIScreenEdgePanGestureRecognizer instead of UIPanGestureRecognizer for drag pop gesture

    [CHANGE] use of UIScreenEdgePanGestureRecognizer instead of UIPanGestureRecognizer for drag pop gesture

    This change limits the position of the drag to pop gesture to the left edge of the screen, similar to the native back swipe gesture. Also other pan gestures can be added to the view without being cancelled by the RainbowDragPop gesture.

    opened by anneWe 0
  • Background View overlaps Left/RightNavigationItems

    Background View overlaps Left/RightNavigationItems

    Hello!

    I'm having an issue when I'm coming back (pop) to a UIViewController that has left and/or right navigationItems. When I wire the RainbowNavigation to the UIViewController navigationController, set the "navigationBarInColor()", and pop back to that viewController (dragging or not), the colored background view overlaps the navigationItems (except the title or titleView).

    override func viewDidLoad() {
        super.viewDidLoad()

        let button = UIBarButtonItem(title: "HELLO", style: .plain, target: nil, action: nil)
        self.navigationItem.setRightBarButton(button, animated: true)

        if let navigationController = navigationController {
            rainbowNavigation.wireTo(navigationController: navigationController)
        }
}

...

func navigationBarInColor() -> UIColor {
        return navColor
}

    I have tested it in my own app as in the ExamleApp, and it happens on both. I have been able to debug it, and found that the navigatinoBar.subviews order is the problem, when poping back the ViewController, the layers are rearranged and the backgroundView place itself over the NavigationItems and behind the (TitleView or Title).

    I was not able to fix it yet, has anyone encountered this problem too???

    opened by EstebanVallejo 1
  • Limit PanGesture

    Limit PanGesture

    Hi, It would be nice to have a variable to restrict the zone of the PanGesture, because the user could close accidentally the Controller. I patch the code in RainbowDragPop.swift to restrict the PanGesture for the first 30px:

    func handlePan(_ panGesture:UIPanGestureRecognizer) {
        let offset = panGesture.translation(in: panGesture.view)
        let velocity = panGesture.velocity(in: panGesture.view)
        let position = panGesture.location(in: panGesture.view) //EDIT

        switch panGesture.state {
        case .began:
            if(position.x > 30){ return; } //EDIT

            if !self.popAnimator.animating {

    Regards

    opened by suikadev 1
Owner
danisfabric
danisfabric
GitHub
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