解决点击返回按钮 导航栏标题颜色闪烁的问题

Author: wangrui460

README.md

@@ -1,3 +1,5 @@
+### 注意：练习方式变更（因QQ常年不用，所以联系方式换成微信，请在页面底部查看）
+
 ![image](https://github.com/wangrui460/WRNavigationBar/raw/master/screenshots/WRNavigationBar.png)
 
 [For Objective-C：https://github.com/wangrui460/WRNavigationBar](https://github.com/wangrui460/WRNavigationBar)
@@ -75,6 +77,9 @@ UIColor.defaultShadowImageHidden = true
 
 
 ## Update
+- **2017.12.09**
+解决问题：解决点击返回按钮导航栏标题颜色闪烁的问题
+
 -**2017.11.29**-
 更新：解决部分用户设置导航栏无效的问题~
 
@@ -126,7 +131,13 @@ UIColor.defaultShadowImageHidden = true
 # Contact me
 - Weibo: [@wangrui460](http://weibo.com/wangrui460)
 - Email: wangruidev@gmail.com
-- QQ：1204607318
+- QQ：1204607318 （基本不用）
+- 微信群：下图所示
+
+<div class="wrap">
+<img src="https://github.com/wangrui460/WRNavigationBar/raw/master/screenshots/group.png" alt="">
+<img src="https://github.com/wangrui460/WRNavigationBar/raw/master/screenshots/appreciate.png" alt="">
+</div>
 
 # License
 

WRNavigationBar/WRNavigationBar.swift

@@ -261,10 +261,10 @@ extension UINavigationController: WRFatherAwakeProtocol
  setNeedsNavigationBarUpdate(tintColor: newTintColor)
 
  // change navBarTitleColor
- let fromTitleColor = fromVC?.navBarTitleColor ?? WRNavigationBar.defaultNavBarTitleColor
- let toTitleColor = toVC?.navBarTitleColor ?? WRNavigationBar.defaultNavBarTitleColor
- let newTitleColor = WRNavigationBar.middleColor(fromColor: fromTitleColor, toColor: toTitleColor, percent: progress)
- setNeedsNavigationBarUpdate(titleColor: newTitleColor)
+// let fromTitleColor = fromVC?.navBarTitleColor ?? WRNavigationBar.defaultNavBarTitleColor
+// let toTitleColor = toVC?.navBarTitleColor ?? WRNavigationBar.defaultNavBarTitleColor
+// let newTitleColor = WRNavigationBar.middleColor(fromColor: fromTitleColor, toColor: toTitleColor, percent: progress)
+// setNeedsNavigationBarUpdate(titleColor: newTitleColor)
 
  // change navBar _UIBarBackground alpha
  let fromBarBackgroundAlpha = fromVC?.navBarBackgroundAlpha ?? WRNavigationBar.defaultBackgroundAlpha
@@ -313,6 +313,7 @@ extension UINavigationController: WRFatherAwakeProtocol
  // swizzling system method: popToViewController
  @objc func wr_popToViewController(_ viewController: UIViewController, animated: Bool) -> [UIViewController]?
  {
+ setNeedsNavigationBarUpdate(titleColor: viewController.navBarTitleColor)
  var displayLink:CADisplayLink? = CADisplayLink(target: self, selector: #selector(popNeedDisplay))
  // UITrackingRunLoopMode: 界面跟踪 Mode，用于 ScrollView 追踪触摸滑动，保证界面滑动时不受其他 Mode 影响
  // NSRunLoopCommonModes contains kCFRunLoopDefaultMode and UITrackingRunLoopMode

WRNavigationBar_swift/WRNavigationBar_swift/WRNavigationBar/WRNavigationBar.swift

@@ -261,10 +261,10 @@ extension UINavigationController: WRFatherAwakeProtocol
  setNeedsNavigationBarUpdate(tintColor: newTintColor)
 
  // change navBarTitleColor
- let fromTitleColor = fromVC?.navBarTitleColor ?? WRNavigationBar.defaultNavBarTitleColor
- let toTitleColor = toVC?.navBarTitleColor ?? WRNavigationBar.defaultNavBarTitleColor
- let newTitleColor = WRNavigationBar.middleColor(fromColor: fromTitleColor, toColor: toTitleColor, percent: progress)
- setNeedsNavigationBarUpdate(titleColor: newTitleColor)
+// let fromTitleColor = fromVC?.navBarTitleColor ?? WRNavigationBar.defaultNavBarTitleColor
+// let toTitleColor = toVC?.navBarTitleColor ?? WRNavigationBar.defaultNavBarTitleColor
+// let newTitleColor = WRNavigationBar.middleColor(fromColor: fromTitleColor, toColor: toTitleColor, percent: progress)
+// setNeedsNavigationBarUpdate(titleColor: newTitleColor)
 
  // change navBar _UIBarBackground alpha
  let fromBarBackgroundAlpha = fromVC?.navBarBackgroundAlpha ?? WRNavigationBar.defaultBackgroundAlpha
@@ -313,6 +313,7 @@ extension UINavigationController: WRFatherAwakeProtocol
  // swizzling system method: popToViewController
  @objc func wr_popToViewController(_ viewController: UIViewController, animated: Bool) -> [UIViewController]?
  {
+ setNeedsNavigationBarUpdate(titleColor: viewController.navBarTitleColor)
  var displayLink:CADisplayLink? = CADisplayLink(target: self, selector: #selector(popNeedDisplay))
  // UITrackingRunLoopMode: 界面跟踪 Mode，用于 ScrollView 追踪触摸滑动，保证界面滑动时不受其他 Mode 影响
  // NSRunLoopCommonModes contains kCFRunLoopDefaultMode and UITrackingRunLoopMode