Currently in my app I have this design:
-- DialogViewController 1
-----DialogViewController 2
--------DialogViewController 3
-----------TabBarController
--------------DialogViewController4
--------------DialogViewController5
--------------DialogViewController6
--------------DialogViewController7
Problem with this is that dialog view controllers 4-7 breaks the monotouch dialog flow (so to speak), because of TabBarController in between. When I create dialog view controllers 4-7 I need to create new Root in their constructors which I don't need to for DVC 1-3.
With this approach certain things like radio groups don't work inside DVC 4-7 e.g it will display the radio group selection, but there is no navigation bar at the top.
My question is what can I do to solve this? Can I use TabBarController inside DVC somehow if that makes sense? Or how can I "hook" DVC 4-7 back to main "circuit"?
Thanks in advance.
According to the iOS HIG
A tab bar appears at the bottom edge of the screen and should be
accessible from every location in the app
which implies that it should be the root, not nested inside another controller.
Related
I have a number of UILabels on a single view of a iphone application ios 4.3. How to handle touch events for all these labels at one time? I wanted to show pop overs on touch of that label. I know popovers are not available on iphone and will be making my custom ones.
what i did was using UITapGestureRecognizer and adding an action #selector(labelTap:) and then doing [label addGestureRecognizer:TapGestureRecognizerObject. But when i use the same UITapGestureRecognizer for all my UIlabels only the last added label shows the tap action.
i have set userInteractionEnable to YES.
Can any one point me to the right direction?
You need to create separate UITapRecognizer for tracking different UILabel, when a UIGestureRecognizer is added to multiple views, it will only track event from last it added to. To better understand why you need different instances of UITapRecognizer, think of it as a UIView that only handles touches event but doesn't do any drawing.
This relates to a question I asked a few days ago: iOS: Setting text in nib subview from view in UITabBar/UINavigationController application
I need to put the search bar and buttons on the top right of a navigation controller, this is more than the standard single button that UINavigationController.navigationItem.rightBarButtonItem allows so I am using the initWithCustomView: method of UIBarButtonItem to load a view from a nib file.
In my particular case, i've put the view as a seperate item in the main view file for that form
The problem i've got is load and display sequence and I wanted to know if this was the right approach to this?
It seems that the following happens:
viewDidLoad on my main window gets called
viewDidAppear on my main window gets called and I set up rightBarButtonItem
I then want to populate a text field on that search bar but because the loading of the view for the button item happens in the main thread, I don't know when it's appeared.
Would I be better to create a new class with nib for the search bar and buttons which would then have a viewDidLoad/viewDidAppear and I could then create a delegate function so I could 'deQueue' the text to go into the search bar?
Or, am I missing something really simple?
I'm trying to accomplish switching views without using a navigation controller, tab bar controller etc. I am currently accomplishing this using Cocos2d director class replaceScene method. My application will need to have around 40 view controllers, each with a few UIButtons that could take them to any other view controller.
For instance View controller 1 may have buttons that take you to view controller 2
View Controller 2 may have buttons that link to 3,4,5,12
view controller 4 may need to link to view controller 17, 5 and 3
Every tutorial and bit of documentation I've read only discusses using Navigation Controllers, Tab bars or pushing views modally. None of these solutions fits my particular requirements.
Cocos2d has the "replaceScene" method which does exactly what I need, but mixing the many UIKit controls that I need makes developing this entire project in Cocos2d a nightmare.
I'm looking for something where I can have the user tap a button which will load a specified view controller/view transition to that view, and unload the previous view controller from memory. Any ideas?
Have a root view controller which has references of your view controllers. Also make a weak reference to the root view controller in each view controller, as in a delegate pattern. If one of the view controllers wants to make a view transition, send a message to the root view controller. Let the root view controller hide the current view and unhide the next view, using an animation if you want.
Basically you are implementing a view container much simpler than UINavigationController and UITabBarController. You could probably achieve the same thing using the tab bar controller and hide the tab bar view, but I would implement a custom one.
This is what I want to do but not sure if it could be done.
my first view contains 3 buttons.
When this view is displayed, I need to present a ModalPopup for the login.
When the authenfication is done, the user can tap on one of the 3 buttons.
When the button is taped, I need to switch this view to a TabBarController and active the correct TabBarItem regarding the button.
Most of the TabBarItems can contain a SplitViewController.
I read several posts and tutorial about the SplitViewController but most of them show how to run a splitViewController from the appDelegate controller.
Then my first question would be.. is it possible :-)
The second one, would be, how?
Thanks...
Mortoc is correct about UISplitViewController needing to be the root controller.
You can use MGSplitViewController as a drop-in replacement for UISplitViewController - and it doesn't have this limitation.
It sounds as if your hierarchy might be something like
UINavigationController (root)
UIViewController (3 buttons)
UITabBarController
MGSplitViewController (1)
MGSplitViewController (n)
Sorry, you'll have to roll your own SplitViewController equivalent. Apple only supports UISplitViewController as the root view item: it has to be the first view loaded in your application and it's size is fixed.
http://developer.apple.com/library/ios/#featuredarticles/ViewControllerPGforiPhoneOS/iPadControllers/iPadControllers.html
How can I arrange (programatically) the back button of a UINavigationController in a different position?
For example, suppose that the back button (visible in the upper bar of a UINavigationController) has these coordinates: 67 for x and 10 for y. I would arrange the back button for these coordinates: 89 for x and 10 for y.
Do I have to override these measures in a specific method (for example viewDidLoad() method)?
Thank you. Regards.
I guess this cannot be done in a simple way as you can manipulate the navigation bar only via few properties. So there are basically two methods:
1) traverse the UI tree and search for the actual button control created by iOS for you in the navigation toolbar and change its Frame property. You can always get to the inner controls by the Subviews property, so call navigationController.Subviews and iterate through that until you find the control you would like to move, btw it could be deep in the hierarchy, depends. And with iOS update this can change, so this is a bit of a hack, but usually such technique works well.
2) do the custom way. Hide the actual navigation bar, and do the navigation yourself via custom buttons, add a UIButton to your interface, in the action for that call popViewController on the navigationController. If you're inside a view controller, you can use this.navigationController.PopViewControllerAnimated (...);
If you need nice buttons, use this PSD, works well for me http://www.teehanlax.com/blog/2010/06/14/iphone-gui-psd-v4/
Hope this helps. If so, please vote.