I have a little question. I've made a little image gallery with a swipe effect to skip through the uiimageviews. That works fine but I want to improve it. The next or previous picture is shown not until the swipe has finished. But I want it to behave like the photo library for example or the home screen, that the imageview 'follows' the touch and skips to the next or previous picture when a certain point is reached.
I hope I've made myself clear :-)
It's just that I want to simulate the swipe effect of the photo library.
The easiest by far is to use an UIScrollView and to enable paging like that:
myScrollView.pagingEnabled = YES;
See here for details.
Related
I want to make some simple tutorial in my game by showing pop-up animation. My problem occur when moving sprites get out of the tutorialView but keep being rendered. I need to show just those parts that are on the animation view.
I need to hide the white "path" which goes out of the tutorial view
This is what happens
It was actually very easy just took screenshot of the screen and cropped the middle so that I could put it in front of the tutorial and everything that went out of it was hidden underneath.
I have a page view controller embedded inside a container view in order to swipe between images. But now I am trying to add a touch that will make the image go full screen "lightbox" with zoom available and also swipe through the images while in full screen mode.
I can get it to work, and messing around with auto layout seems to be much work consider I have a lot of other stuff in that VC.
So does anyone know a good image slider from github written in swift? - without the need of cocopods.
thanks!
It's easy enough to write one yourself. In full-screen mode, use another UIPageViewController, because it already has the swipe left & right support built in.
Is it possible to make a view move either to the left or right in the iPad, when I tap on a button, instead of actually swiping on the view.
This can be seen in the iPad when I'm in the screen after the search screen, and I install an app, the screens move to the left by itself and the app sits in the right place and starts installing.
Any suggestion will help.
The home screen is actually a UIScrollView with paging enabled. So it just moves to the next page (with scrollRectToVisible) if a new app is installed. So if you want to have something like that, I guess you have to implement a paging UIScrollView. Just search for that and you will find a lot of good tutorials.
Some further resources:
UIScrollView reference documentation
A paging UIScrollView tutorial
I am creating a bit of a video mash up app (like imovie) and the first function I am tackling is the ability to drag a thumbnail from a video library and drop it on a time line. I was able to add the drag code to the video thumbnail class so when you touch it, it creates a drag proxy view which moves around when you move your finger. Next I want to be able to drop it on the time line.
My Timeline is also a uiview and I am unsure of how it can receive notification that the thumbnail is being dragged over it! It will need the position of the thumbnail so that it can show it on the timeline and the duration of the clip and such (information that I have attached to my video thumbnail object)
How would you approach this issue? The App is for ipad and is on ios 5.
Thanks for any pointers!
You will most likely want to subclass the UIView. You can look at this post:
https://stackoverflow.com/a/4130641/1535038
Mainly you will want to see if the My Timeline view is being touched, and then see if you are in the middle of a drag or not.
This is hard for me to explain, so please bear with me for a minute.
In Xcode, if it is in full screen mode, showing the app's menu also moves the toolbar down. I have tried to make an NSView move and resize whenever the menu bar is shown, but I cannot figure out how to do it. I think this has something to do with and event, because setting struts and springs in Xcode does not make it move automatically. Can anybody help me figure out what the event is?
Edit: I just re-thought my question, and I have to make a correction. NSToolbar does this on it's own. I want a normal NSView to move and resize itself when the window goes into full screen mode.
I think you might be having the same issue as I was - if so, you need to call [NSToolbar setFullScreenAccessoryView:] on the "accessory view" you want to glue to the bottom of the NSToolbar.
Note that in windowed mode, your accessory view should take up space in the NSWindow's contentView just like any other view, but when you enter fullscreen mode you'll want to remove the accessory view somehow since Cocoa rips it out of your layout and leaves a gap unless you account for that.
I can certainly understand this issue being difficult to explain without having the background knowledge - I had the same problem. :)
Also see: How can I get a two-row toolbar like in Mail.app and Xcode?