I have a page view controller wherein one of the pages is a map view. When I land on the map view I'm stuck: swipes cause the map to pan (which, of course, I want) and so I can no longer switch to another page by swiping. Can someone suggest a good way to deal with this?
I am uncertain as to what the best user experience should be. I realize that I am perhaps asking for an opinion but I really feel stuck and there might be a generally accepted way to deal with this scenario.
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So I have an idea for something just for fun I want to try and was wondering if someone could give some insight whether it would be possible or not.
Basically, I want to try and use a UIDocumentInteractionController and place a clear overlay view over top of that that would serve as sort of a drawing board. Is this something feasible to do? I think it would be cool to try and make it so the user could circle part of the document and put a post it note on there to leave feedback.
I just need to know if anyone knows whether or not it's possible to add a view on top of a UIDocumentInteractionController window? Or perhaps there is a better solution? I am not looking for anyone to do this for me, just conceptual ideas. Any thoughts or feedback would be appreciated. :D
EDIT: I know how to do all the things like handle touch events, view animation, all of that sort of stuff. I am just opening a conceptual question to the public kicking some ideas around...
It's a nice idea however I don't believe you can achieve what you're shooting for.
After presenting its user interface, a document interaction controller handles all interactions needed to support file preview and menu display.
I am new to IPhone/iPad development and have a application design question.
1) I have about 60 different pages I converting from a Flash file. They are largely pretty devoid of stuff to do. Mainly reading and and some images.
2) There are a few interactive things (buttons, animations,etc.) on on about 50% of the pages
My initial thinking is to use a navigation controller (hidden, as I don't want as part of my design) to use the push and pop functionality. Each page would have it's own viewcontroller.
My other thought was to use hidden UINavigationController, but to group pages in specific areas and have multiple NIB files read from one view controller.
Is one better that the other? Or have more advantages than the other? Or is there a better way?
Not sure how to answer this, but you could probably have a few NIBs and ViewControllers and reuse them. There are a million ways to do simple navigation without UINavigationController -- it might be more of a pain that not using it.
For example, is navigation always like a tree (forward, forward, forward, back, back, back) --- or could it be more free form around a graph?
If navigation is simply push and pop, then use it, but try to keep the number of different viewcontrollers/NIBs to a minimum (for maintenance purposes)
The usual recommendation is one view controller per full page of content. However, if your content is remarkably similar, reusing the view controller is valid. Before proceeding, I'd think carefully about your navigation model:
Will users be able to jump from any page to another (say like a magazine)?
Do some pages require the user to visit other pages first?
For (2), the push/pop model works quite well, whereas for (1) the push/pop model of a UINavigationController may be too much trouble.
So focus on your presentation, and then let the code follow from that.
I have an app with two full-screen views, one on top of the other. I would like to show the corner of the top view curled slightly away, and allow the user to curl it away more until the view underneath is completely showing.
The user should be able to interact with whatever part of the view underneath is exposed, and with whatever part of the view above is exposed.
I'd especially like this to look and feel like the page turn curling in iBooks. I've done a lot of searching about the iBooks page curl, but not much turns up. There's a great OpenGL implementation, but I don't know how to get from there to here. Any ideas?
A much simpler to implement, and therefore simpler visually approach is available here: http://github.com/brow/leaves
You may have a bit more success starting small.
The Apple UI design guide suggests that a UIPageControl is ideal for presenting the top view of a utility app.
Would a paging view that appears at the 2nd or 3rd level down inside the main UINavigationController view trigger a fail during the App review process?
In my App I have inserted a 3 page view at the second navigation level down in my productivity style app. Each page presents a question and requires an answer that might by a multichoice tick or text box entry. The questions could be stacked vertically in a multi-section table but in my prototype flicking through the questions horizontally feels very natural.
However I have not seen an App store program that uses paging as I have.
I asked Apple a similar question recently and got back:
"Thank you for contacting the iPhone Developer Program. Apple is not able to provide pre-approval to developers for proposed application submissions."
In the end it really depends on the reviewer, the specifics of your app, full moon, etc.
Personally, I would simply try it. If the interface looks good and you think it will not confuse users, then just submit it.
Also, being rejected for stuff like that is not the end of the world. You just have to replace it with something similar. Happened to me once or twice. It is usually not a complete blocker.
Although you will probably not fail app review, I believe using a UIPageControl may be confusing to your users. As you pointed out, I can't think of any apps using the UIPageControl in this manner. The following quote from the iPhone Human Interface Guidelines is informative:
A page indicator gives users a quick
way to see how many views are open and
an indication of the order in which
they were opened; it does not help
users keep track of the steps they
took through a hierarchy of views.
Because the views in a utility
application tend to be peers of each
other, a page indicator is sufficient
to help users navigate through them. A
productivity application that displays
hierarchical information, on the other
hand, should offer navigation through
the elements in the navigation bar
(for more on this, see “Navigation
Bars”).
From your description of how this portion of your app is supposed to display, it doesn't sound like these pages with questions on them would be considered 'multiple views'. In addition, you probably want your users to answer each question sequentially and move on to the next. The UIPageControl is designed so that a user can switch between any of the views in any order they choose, not only in one direction.
This sounds much more like a hierarchical design, and this portion of your app would probably work a lot better if you used a navigation bar along with a UITableView. Requiring your users to answer a question by tapping a multichoice tick box, and then make them figure out that they need to swipe in a certain direction to get to the next question would not be obvious to a user, and could be much more intuitive. For example, as soon as the user selects a tick box, you could just programmatically navigate to the next question. Or, have a button at the bottom of each screen that's labelled "Next Question", which would transition to the next screen.
Hope this helps!
I'm trying to get started with an iPhone application, I had a look around at other questions but i'm still sorta stuck so hopefully someone can help...
First thing is I'm totally confused with the whole view concept, I'm more used to visual studio so I'm going to use the term 'form' to describe what I have in my head.
I want to achieve a home screen in an application with say 9 icons (much like the iphone home screen) which each lead to a different 'form'. Each form may have a different function so say one might be a simple calculator, one might play a video etc.
How do I do this, its destroying my soul trying to do something so simple... If you guys even have any links to get me on the right track it would be greatly appreciated
I suggest you take a look at the Stanford iPhone Programming Course. If you don't have the time to look through it all, I reccommend at least Lectures 5 and 6 about Views and ViewControllers. The slides are quite instructive and they come with video presentations that should help you get on your way in about an hour.
Apple's samples are a great place to start. There are some simple ones that can show you how views and view controllers work.
Also, in Xcode, when you create a new iPhone app template, that template usually has enough code to display a view, and sometimes a flip-side view or more. Sometimes, you should stop reading, and do.
I had the same weird learning curve as you, as things don't initially seem to make sense but they do - and once you've got your head round them they make perfect sense trust me!
Your 'forms' are viewControllers in this M-V-C land, they control all the 'view' (which are controls or any object which can be seen) within them. Normally they are loaded from a Nib (design from the interface builder), but don't have to be.
The way I would go about your problem is to use a navigationController as the base to handle all of your view controllers.
A navigation controller needs a rootviewcontroller to start so this will be your desktop Viewcontroller. I'm not sure how you are planning to populate this but all the icons will need to be stored in some kind of array. I suggest you use a simple UIButton. When then button is pressed you then alloc and init and push the required view controller.