Issue Description

• Weird width on MXParallaxHeader 1.1.0

Environment Information

• MXParallaxHeader 1.1.0
• iPhone7 11.3.1, iPhone XR 13.2.2
• Xcode 11.2.1

Your Code

let height: CGFloat = Constants.APPDELEGATE.cellSize.height + 50 + UIWindow.safeAreaTopInset

    override func viewDidLoad() {
        super.viewDidLoad()

        detailTableView.contentInsetAdjustmentBehavior = .never
        headerView = PostDetailCardView()
        detailTableView.parallaxHeader.view = headerView
        detailTableView.parallaxHeader.height = height
        detailTableView.parallaxHeader.mode = .fill
        detailTableView.parallaxHeader.minimumHeight = 0
}

Screenshot

by MXParallaxHeader 0.6.1

by MXParallaxHeader 1.1.0

Crash on

• (void)willMoveToSuperview:(UIView *)newSuperview { [self.superview removeObserver:self.parent forKeyPath:NSStringFromSelector(@selector(contentOffset)) context:kMXParallaxHeaderKVOContext]; }

this is my error : Terminating app due to uncaught exception 'NSRangeException', reason: 'Cannot remove an observer <(null) 0x0> for the key path "contentOffset" from <MXParallaxView 0x1569c8860> because it is not registered as an observer.' *** First throw call stack: (0x180a42db0 0x1800a7f80 0x180a42cf8 0x1813590a8 0x181358b84 0x181358ac8 0x100ddaf80 0x185eb4014 0x185b994a0 0x185b9c924 0x181396cb0 0x1800c1ae8 0x1809209fc 0x1809f6bc0 0x180920c50 0x182208088 0x185c0a088 0x100281a58 0x1804be8b8) libc++abi.dylib: terminating with uncaught exception of type NSException

Then MXScroll content is a UICollectionView. I have dragged the collectionView reducing the header space. And I drag the collectionView downwards , sometimes my action doesn't work. It is frozen except I drag the collection view upwards first.

Hi there, I'd like to use MXParallaxHeader in my UITableView, which worked great until I started adding section headers. The section header anchor point seems to be at the end of the ParallaxHeader, so the section headers stop there. Moreover the passed headers are moving above the HeaderView.

Is there a way to change this behaviour or a workaround?

Thanks in advance!

So I am facing this problem on my project. Somehow we must use UITableView with Plain Style and then dynamically adding table section header in to the tableView. And for the TableHeaderView of course I am using MXParallaxHeader. However, when I scroll the tableView up, my section header view got stock at the origin position while all cells are scrolling up. It is a very weird behavior I never seen before. I know #65 asked the same question but there is no a correct response. Please help. Thank you

Hi, When I build my project with Xcode 9 / iOS11, a glitch appear when I scroll it. The same with Xcode 8 / iOS10 works great. This issue occur whith MXScrollViewController.

With the MXScrollViewController demo, there is also a problem with the UIWebView when you scroll to top. Could you check please ?

Don't hesitate to contact me.

Thanks!

Description

Added Package.swift file

Motivation and Context

integrate this nice piece of code using SPM

How Has This Been Tested?

building it with xed . in repo folder to open the Package.swift "pseudo-project" with in Xcode

Screenshots (if appropriate):

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• [x] My code follows the code style of this project.
• [x] My change requires a change to the documentation.
• [x] I have updated the documentation accordingly.

My header loads with a specific height, then I fetch the user data on server and load all informations about the user.

I need to change the header size after all informations are ready.

I tried to use self.segmentedPager.parallaxHeader.height = CGRectGetHeight(headerBoxView.bounds); but didn't work

the CGRectGetHeight(headerBoxView.bounds returns the right height, but the header doesn't change

[headerBoxView setNeedsLayout];
self.segmentedPager.parallaxHeader.height = CGRectGetHeight(headerBoxView.bounds);
[self.segmentedPager reloadData];
[self.segmentedPager layoutIfNeeded];
[self.view layoutIfNeeded];

There are several bugs regarding gestures or interaction like:

https://github.com/maxep/MXParallaxHeader/issues/17 https://github.com/maxep/MXParallaxHeader/issues/20

The reason is because when we scroll a lot, the parallax contentView is outside screen and does not send taps to its subviews, even if they are displaced to be presented in the screen again.

You can see that using Reveal:

If we swap parallax.contentView.frame.origin.y and parallax.view.frame.origin.y then it works, but of course that only works in Reveal. Doing that we will see how the components that are in the small part (defined by parallaxHeader.minimumHeight) would work again.

I tried to modify the lib to do something like that, but no luck at the moment. Does anyone have any idea? This would make the tiny part interactive, which is important.

I have downloaded example project and just added sections in UITableView with simple title and when try scrolling section views freeze where they appear.

Any suggestions?

Hi @maxep Pull to refresh is not working along with parallax header. It tried setting bounce to false for my tableview which set the pull to refresh disabled.

Please help how can we solve this.

Description

On Xcode 12.5, apparently the umbrella header generation logic changed, so this stopped working on my project because my project couldn't find MXScrollView anymore, when importing this lib using SPM. The problem was that the generated umbrella header didn't contain references to all the public headers. This PR aims to fix that.

Motivation and Context

How Has This Been Tested?

It compiles on my project now 😄

Before:

import MXParallaxHeader
…
let scrollView = MXScrollView // Couldn't find reference to MXScrollView

Now, the same code above compiles just fine.

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation. - Nope
• [ ] I have updated the documentation accordingly. - There's no need to update anything

Hey,

Unfortunately, I have decided to stop maintaining this project. This code is now an outdated implementation in Objective-C and I'm not giving it the attention it deserves.

Please let me know if you want to become a contributor or feel free to share any alternative or forks in the comments of this issue.

Thank you for your understanding!