So I'm trying to imitate the transition found in the Pocketcasts app. The idea is to have a view controller emerge from the bottom of the screen when an item is clicked on, and the view controller can either be swiped up to go full screen or swiped downwards to dismiss it. I honestly have no idea how I would achieve this, so I'm wondering if anyone has dealt with it before. Ideally this would be done in Swift, but Obj-C works. Thanks!
There is a really great video from WWDC 2017 that builds a similar component using UIViewPropertyAnimator. This allows for interruptible animations as shown in your gif.
The presentation is extremely well done, and provides sample code.
Advanced Animations with UIKit
UIViewPropertyAnimator Documentation
Related
I have recently started to learn Xamarin.iOS and I am in the process of implementing a book application with multiple pages in it. I understand the navigation between the different view controllers. But I am wondering how to implement the transition the content within the same view but have the same view transition animation effect?
Any ideas on how I may want to approach in implementing this functionality in Xamarin.iOS?
Thanks in advance.
Update: When I click forward or rewind buttons, I would like to load a new background image and on the same view and have the animation as if we are moving to navigating to a different view.
You can try this,
UIView.BeginAnimations(string.Empty, System.IntPtr.Zero);
UIView.SetAnimationDuration(0.3);
//Your Code
SetNeedsDisplay();
UIView.CommitAnimations();
I have a SpriteKit game where I want to blur only a part of the screen (the board where the game is played). But at the same time, I want to be able to interact with the other elements (like UIButtons) on the screen. So basically I'm looking for something like a form sheet, but one that blurs what is under it and allows interaction with the main view controller.
So here's my problem. I've tried to:
put the UIVisualEffectView on my main view controller,
present another view controller modally with one of the standard presentation styles and have the UIVisualEffectView in there, or
present another view controller modally OVER full screen / current context and have the UIVisualEffectView in there.
None of these options work for me.
Options 1 and 2 don't actually blur. They produce a solid black box instead. (Although for some reason it blurs when I get a notification or when I pull down Notification Center or pull up Control Center. So I'm facing the same problem as this user.)
Option 3 does blur, but does not allow for interaction with the main view controller.
Does anyone know what else I could try? Or am I not using something correctly?
Unfortunately UIVisualEffectView simply doesn't work well with SpriteKit, even when using SKView. I've tried everything from A to zPositions.
I decided to recreate my UIButtons in the new view controller and present it modally OFS. That way I have access to the beautiful UIVisualEffectView blurring (SKEffectNode blurring isn't pretty at all IMO) and to my buttons. I hope Apple will work on the synergy of their frameworks in future versions of iOS and Swift. Then again, I'm not exactly an expert when it comes to app development, so if there is anything else I could've done I'd love to hear it :-)
I'm interested in replicating the transition features in the picture below.
I have noticed this being used in multiple apps but am not sure where to start.
The transition literally pushes the current screen away in a direction and is followed by the requested screen. In the picture below, the paper plan button is pressed to initiate this transition
Does anyone know how to create this custom segue or does anyone know of any projects on Github that demonstrate this?
Thanks in advance!
its not a segue you would use. you would use the childViewControllers property of UIViewController to add left and right view controllers than do some animation tricks and gesture recognizers to get it how you want it to look. There are tons of tutorials online just look them up if you don't want to come up with one from scratch.
It's nice that back to previous page is so easy by swipe gesture in iOS7, Apple has implemented for you already. We like this feature, but how to implement it on iOS6? Any resource can take reference? Such as open source or design solution.
Please share and thanks in advance.
I'd probably be inclined to use UIPageViewController (which is a nice control that offers swiping between view controllers). If you really want to reproduce the UINavigationController iOS 7 UI (swiping from edges rather than anywhere on the page, all of the navigation bar UX, etc.), it might take a little work. But if all you need is a nice simple swiping between view controllers, UIPageViewController might be a good place to start.
See the Page View Controllers section of the View Controller Catalog for iOS.
Currently, I'm using presentPopoverFromRect:inView:permittedArrowDirections:animated: to present my popover. But I'm looking for more fanciful animations (eg. the popover expanding from a particular point) to present the popover.
I've tried searching with keywords ios present popover animation but can't find any useful results. Not sure if I'm using the wrong keywords or it is impossible to present popovers with animations.
When using a UIPopover, there is currently no easy way to present it with a different animation than the one that iOS provides. It would definitely be possible to do a custom animation to present a view, but it would be a very significant amount of extra work as you would have to do everything yourself. Two things you could look at if you really, really need to:
UIView animation. Links: Ray Wenderlich tutorial, Apple documentation (search the page for "animation").
Core Animation custom transitions.
As of iOS 7.0 it is possible to present any view controller so that it does not completely obscure the previous view controller, making it possible to create "fake" popovers. Using the UIViewControllerTransitioningDelegate protocol you can then create any animation you would like.
Here is a good example of how to create a fake popover with a custom animation.