FlipView *fl=[[FlipView alloc] initWithNibName:#"FlipView" bundle:nil];
//fl.view.frame=CGRectMake(50.0,50.0, 300.0,300.0);
fl.delegate=self;
fl.modalTransitionStyle=UIModalTransitionStyleCrossDissolve;
fl.imageName=aCategoryDtl.Tip_Image;
[self presentModalViewController:fl animated:YES];
In above code, A Complete New View Controller is added to screen.
Instead of that, I need to display only single view(UIView) - Not View controller.(UIViewController)
How to implement that?
Thanks in advance for helping me.
The comment is correct, you do not display a view controller, u display that viewcontrollers views, viewControllers are used to manage views, now what i imagine you want is a way to switch from view to view with transitions in a single view controller, there is a sample project called ViewTransition here https://developer.apple.com/iphone/library/samplecode/ViewTransitions/ it contains a view that you can use to switch from view to view with transitions, it might help you
Related
Im writing an application which the main view controller is a UIViewController. It has some icons in a grid and I want to dismiss (sliding down) this grid when one of the icons is clicked. This I've done already. The problem is: when the grid is dismisseed I want another View to come from the top of the screen. This view is in this same root view controller. But I want to display the content of other view controllers in this view. For example: I want this view to show a UINavigationController with a UITableView inside it, so the user can navigate through TableViews.
I'm doing this:
HorariosViewController *horarios = [[HorariosViewController alloc] init];
[vuashView addSubview:horarios.view];
HorariosViewController is a UINavigationViewController. It shows me only a blue NavigationBar and changes like self.navigationItem.title = #"Title" won't work.
Thanks!
You can show another view controller's views as subviews but their outlets and actions remain linked to their original view controller unless you write code to make new connections, so self.whatever shouldn't be expected to affect the other view controller's properties.
(Also, if HorariosViewController is a UINavigationController, it shouldn't be created as a UIViewController.)
One approach is to have the navigation controller already there, with the icon grid presented modally on top of it. (you can set the view up this way without animations, so the user doesn't see the navigation controller underneath).
Then, when it's time for the grid to go away, it can call dismissModalViewController on itself with animation.
i'm working in view-based template,
and I have main.m, which I haven't touched.
and one view controller which is my current display,
and one dummy controller which has nothing.
If I implement the dummy controller, and want to switch between
two view controllers, where and how should I do it?
I've only worked with subviews,
but not quite sure where to touch the view controllers...
does it work the same as addView, release as with subviews?
Please help me out..
It depends on how you want you're looking to do. You could present your dummy view controller either modally or non-modally. To do it modally, check out:
- (void)presentModalViewController:(UIViewController *)modalViewController animated:(BOOL)animated
Here is a sample on how you would do something like that:
DummyViewController *dummyController = [[DummyViewController alloc] init];
[self presentModalViewController: dummyController];
You could also do something like:
- (void)presentFlipSideViewController:(UIViewController *)flipsideViewController
You would call these methods when the user did something, such as tap a button. Both of these methods would be implemented in the view controller handling the tap or action, in your case, the project template view controller .
I've been reading the Head First iPhone Development book and I understand how to get to a new view from a table but how exactly would I be able to get to a new view or view controller, by just simply pressing a button? Is that even possible?
I mean there are some apps where you click a button, not a table cell and it loads a new view. How exactly is that done? If someone could help out a newbie it would be greatly appreciated!
I think what you're looking for is a modal vew controller. THis presents a modal view like you described on top of everything else. If rootViewController is the view controller that is displaying your current view, and myNewViewController the view controller you want to display modally:
[rootViewController presentModalViewController:myNewViewController animated:YES];
There's plenty of examples of this kind of thing on the net, just search for presentModalViewController
Like bpapa said in the comments, it's hard to be specific without code. However, generally what you want to do is:
Build a navigation controller that contains one original view.
Create a button in your original view using the Interface Builder.
Build a callback method (usually defined with IBAction) that is run when the button is pushed.
In that callback method, create a new view and push it onto the navigation controller the same way you would using a table view cell.
Alternately, if you only want one level of hierarchy, you could use a modal view controller; instead of pushing onto the navigation controller in the last step, just present the modal view controller.
The general answer is that you have an object that manages which view controller loads when.
The most commonly used is the UINavigationController. It is a UIViewController that instead of controlling views, controls other view controllers. It works like a simple stack. You push views you want to display onto the nav's controller stack and when you want them to disappear you pop them off.
A common (though sloppy) way of using a nav is to make it a property of your app delegate. Then anywhere in your app you can references it by:
UINavigationController *nav=[[[UIApplication sharedApplication] delegate] navigationController];
The view controller for the first the user sees is held in the nav's topViewController property. If you want to load a view based on a user action in the topViewController.view, you would have something like this:
- (IBAction) loadNextView:(id) sender{ // Action called by a a UI event such as a button press.
UINavigationController *nav=[[[UIApplication sharedApplication] delegate] navigationController];
UIViewController *nextViewController=...// load from nib, connect with IBOutlet, create programmatically
[nav pushViewController:nextView animated:YES];
}
The first view disappears to be replaced by the next one. To return to the first view, you have a method in the next view controller like so:
- (IBAction) unloadSelf:(id) sender{ // Action called by a a UI event such as a button press.
UINavigationController *nav=[[[UIApplication sharedApplication] delegate] navigationController];
[nav popViewControllerAnimated:YES];
}
... and the nav returns you automatically to the previous view regardless of what that view was.
When you first start out, especially if you use Interface Builder, the structure of the app is largely hidden. Behind the scenes all view controllers and their views exist in a hierarchy of some kind that leads back up to the app delegate. You should train yourself to think in hierarchal terms even if it is not immediately obvious how that hierarchy is constructed.
I have created an UITabView application. Each view selected from the bar is a seperate controller with own nib file. I switch between them succesfully.
In the first view I have two buttons (check out the screenshot). When clicking them I want to switch to another views which are the parts of the current view controller. I use:
[self presentModalViewController:anotherViewController animated:NO];
That switches the view, but hides the UITabBar. How to keep the bar on the screen after the switch?
P.S. Sorry for the blurred image. I am not allowed to share to much info.
Well I think you are misusing the modal view controller. For a problem like this I'll say you should put them in a view controller stack using UINavigationController. Instead of making each tab a UIViewController make it a UINavigationController, then you can push and pop view controllers on it, which still show the tab bar.
See http://developer.apple.com/iphone/library/documentation/UIKit/Reference/UINavigationController_Class/Reference/Reference.html
use: tabBarController.selectedViewController = newViewController
edit: UINavigationController is not needed here.
Fundamentally, what I want to do is within, for example, ViewControllerA display ViewControllerB and ViewControllerC. How would I do that?
Thanks in advance.
You don't display view controllers, you display views. Having said that, you can do something like this:
UIViewController *a = ...;
UIViewController *b = ...;
[a.view addSubview:b.view];
Now, having said that, you shouldn't do it. Tons of stuff does not behave properly, because there are tons of undocumented interactions between UIView, UIWindow, and UIViewController. There is nothing in the documentation that says it won't work, but random things stop behaving properly (viewWillAppear: on the interior view's VC doesn't get called, etc).
If you need this functionality, you should file a bug with Apple.
The default template for a navigation view controller should do what you want assuming you want two different screens (not two different sections on the same screen). Whenever you want to change the view from the current one to another, just tell the navigation controller to push it on the stack:
[self.navigationController pushViewController:viewBoards animated:YES];
The default navigation view controller gives you a root view controller with a navigation view controller in it. It also gives you one view controller called MainWindow. Just add as many copies of MainWindow as you need to get your functionality.