iOS Transparent NavigationBar
- Transparency changes during page switching
- Navigation Bar Transparency Change When ScrollView Slides
- Fluent switching when the gesture slides back
- System adaptation for iOS8+
cocoapods:
pod 'TransparentNavigation'
set the alpha in viewController's function: -viewWillAppear: likes the demo
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
self.navBarBgAlpha = @1;
}