I took 2 UIViewController HomeView and ViewMyStuff in Storyboard.
I am adding ViewMyStuff Controller in HomeView. In HomeView's ViewDidLoad, written below in my code.
- (void)viewDidLoad
{
ViewMyStuff *vwMyStuff = [self.storyboard instantiateViewControllerWithIdentifier:#"viewreportvc"];
[self addChildViewController: vwMyStuff];
[vwMyStuff didMoveToParentViewController:self];
}
vwMyStuff controller is not added in HomeViewController. Is there anything I missing? Please help
Thanks.
You need to add subView of your ViewMyStuff *vwMyStuff viewController.
- (void)viewDidLoad
{
ViewMyStuff *vwMyStuff = [self.storyboard instantiateViewControllerWithIdentifier:#"viewreportvc"];
[self addChildViewController: vwMyStuff];
[vwMyStuff didMoveToParentViewController: self];
[self.view addSubview:vwMyStuff.view];
}
Hope it works for you!!
I don't know if this is the right key to search "add UIViewController in subview".
As what you can see in my image ,there are two ViewController, the main and the second controller. Inside the main controller there is a UIView(blue background color). Inside in UIView, I want to add the second ViewController in my UIView. I have this code but It didn't work.
here's my code
#import "ViewController.h"
#import "SampleViewController.h"
#interface ViewController ()
#property (weak, nonatomic) IBOutlet UIView *testView;
#end
#implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
SampleViewController * sample = [[SampleViewController alloc] initWithNibName:#"SampleViewController" bundle:nil];
sample.view.frame = CGRectMake(0, 0, self.testView.bounds.size.width, self.testView.bounds.size.height);
[self.testView addSubview:sample.view];
}
#end
I want to know if this is possible? I know initWithNibName: works in xib file, I don't the exact term to search in google about this. I'm just trying to experiment something if this is possible in IOS. Hoping you understand what I'm trying to do. Hoping for your advice. Thanks in advance
here's my update
#interface ViewController ()
#property (weak, nonatomic) IBOutlet UIView *testView;
#property(strong,nonatomic) SampleViewController * samples;
#end
#implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
UIStoryboard *storyBoard = self.storyboard;
SampleViewController * sample = [storyBoard instantiateViewControllerWithIdentifier:#"SampleViewController"];
// SampleViewController * sample = [[SampleViewController alloc] //initWithNibName:#"SampleViewController" bundle:nil];
[self displayContentController:sample];
//commented the below line because it is not needed here, use it when you want to remove
//child view from parent.
//[self hideContentController:sample];
}
- (void) displayContentController: (UIViewController*) content;
{
[self addChildViewController:content]; // 1
content.view.bounds = self.testView.bounds; //2
[self.testView addSubview:content.view];
[content didMoveToParentViewController:self]; // 3
}
- (void) hideContentController: (UIViewController*) content
{
[content willMoveToParentViewController:nil]; // 1
[content.view removeFromSuperview]; // 2
[content removeFromParentViewController]; // 3
}
I always get this error
Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Could not load NIB in bundle: 'NSBundle </Users/ace/Library/Developer/CoreSimulator/Devices/035D6DD6-B6A5-4213-9FCA-ECE06ED837EC/data/Containers/Bundle/Application/EB07DD14-A6FF-4CF5-A369-45D6DBD7C0ED/Addsubviewcontroller.app> (loaded)' with name 'SampleViewController''
I think, its looking for a nib. I didn't implement a nib here.
You should use Child containment concept, here MainViewController is a parent view controller and you want to add child view controller view as a subview on Main View Controller.
Adding and Removing a Child
//call displayContentController to add SampleViewCOntroller view to mainViewcontroller
[self displayContentController:sampleVCObject];
// write this method in MainViewController
- (void) displayContentController: (UIViewController*) content;
{
[self addChildViewController:content]; // 1
content.view.bounds = testView.bounds; //2
[testView addSubview:content.view];
[content didMoveToParentViewController:self]; // 3
}
Here’s what the code does:
It calls the container’s addChildViewController: method to add the child. Calling the addChildViewController: method also calls the child’s willMoveToParentViewController: method automatically.
It accesses the child’s view property to retrieve the view and adds it to its own view hierarchy. The container sets the child’s size and position before adding the view; containers always choose where the child’s content appears. Although this example does this by explicitly setting the frame, you could also use layout constraints to determine the view’s position.
It explicitly calls the child’s didMoveToParentViewController: method to signal that the operation is complete.
//you can also write this method in MainViewController to remove the child VC you added before.
- (void) hideContentController: (UIViewController*) content
{
[content willMoveToParentViewController:nil]; // 1
[content.view removeFromSuperview]; // 2
[content removeFromParentViewController]; // 3
}
For more details, please refer to apple doc:
https://developer.apple.com/library/content/featuredarticles/ViewControllerPGforiPhoneOS/ImplementingaContainerViewController.html
Configuring a Container in Interface Builder, for those who don't want to write code.
To create a parent-child container relationship at design time, add a container view object to your storyboard scene, as shown in Figure 5-3. A container view object is a placeholder object that represents the contents of a child view controller. Use that view to size and position the child’s root view in relation to the other views in the container.
When you load a view controller with one or more container views, Interface Builder also loads the child view controllers associated with those views. The children must be instantiated at the same time as the parent so that the appropriate parent-child relationships can be created.
You can do this simply by using StoryBoards
Open storyboards and select the view controller in which your Blue view is present, open Utilities search for ContainerView and drag it into your blue view, this will automatically adds an view controller that acts as child view for your view. You can resize your container view in size inspector.
I've resolved the problem about the uiview on second uiviewcontroller.
Follow the code that I've used:
UIStoryboard *storyboard = [UIStoryboard storyboardWithName:#"Main" bundle:nil];
SecondViewController *sb = (SecondViewController *)[storyboard instantiateViewControllerWithIdentifier:#"sb"];
sb.view.backgroundColor = [UIColor redColor];
[sb willMoveToParentViewController:self];
[self.view addSubview:sb.view];
[self addChildViewController:sb];
[sb didMoveToParentViewController:self];
I hope to help you.
Thanks a lot
SampleViewController * sample = [[SampleViewController alloc] initWithNibName:#"SampleViewController" bundle:nil];
sample.view.frame = CGRectMake(0, 0, self.testView.bounds.size.width, self.testView.bounds.size.height);
[self addChildViewController:sample];
[self.testView addSubview:sample.view];
You can add a childViewController to UIViewController since iOS5..
it is a great way to maker smaller, more reusable viewControllers, I also really like it.
you're really close, but you just need a couple more lines of code..
///
[self addChildViewController:sample];
[self.testView addSubview:sample.view]; //you already have this..
[sample didMoveToParentViewController:self];
In you viewWillDisappear: or one of the other teardown methods you'll need to clean up like this:
//we'll need another pointer to sample, make it an iVar / property..
[sample willMoveToParentViewController:nil]; // 1
[sample removeFromSuperview]; // 2
[sample removeFromParentViewController]; // 3
You can read the Apple docs on containing child viewControllers here https://developer.apple.com/library/ios/featuredarticles/ViewControllerPGforiPhoneOS/CreatingCustomContainerViewControllers/CreatingCustomContainerViewControllers.html
I'm tring to adding UIViewController in subview, and this work.
On UIViewController I've added 2 button, in .h file:
-(IBAction)matchButtonAction:(id)sender;
-(IBAction)closeButtonAction:(id)sender;
And in .m file:
-(IBAction)matchButtonAction:(id)sender
{
NSLog(#"matchButtonAction");
}
-(IBAction)closeButtonAction:(id)sender
{
NSLog(#"closeButtonAction");
}
but I don't see the log.
I need to add same parameter on UIViewController instantiateViewControllerWithIdentifier?
How to resolve the problem?
My UIViewController initialization is:
AlertDialogViewController *alertDialogView = (AlertDialogViewController *)[self.storyboard instantiateViewControllerWithIdentifier:#"alertDialogView"];
[alertDialogView willMoveToParentViewController:self];
[viewController.view addSubview:alertDialogView.view];
[viewController addChildViewController:alertDialogView];
[alertDialogView didMoveToParentViewController:viewController];
Since your view controller is in storyboard you should use instantiateViewControllerWithIdentifier to get the VC from storyboard.
SampleViewController * sample = [self.storyboard instantiateViewControllerWithIdentifier:#"IdOfSampleViewController"];
sample.view.frame = CGRectMake(0, 0, self.testView.bounds.size.width, self.testView.bounds.size.height);
[self.testView addSubview:sample.view];
Don't forget the add the identifier for the SampleViewController in storyboard
I've try to use this code:
SecondViewController *secondViewController = [[SecondViewController alloc] initWithNibName:nil bundle:nil];
secondViewController.view.frame = CGRectMake(0, 0, self.mySubView.bounds.size.width, self.mySubView.bounds.size.height);
[self addChildViewController:secondViewController];
[self.viewDialogSolution addSubview:secondViewController.view];
but I see only myview not the layout of secondViewController.
Ho to resolve the probleam?
Thanks a lot
let controller:SecondViewController =
self.storyboard!.instantiateViewController(withIdentifier: "secondViewController") as!
SecondViewController
controller.view.frame = self.view.bounds
controller.willMove(toParent: self)
self.view.addSubview(controller.view)
self.addChild(controller)
controller.didMove(toParent: self)
I have a ViewController which, has a tableView added as a subview, that is then embedded in a UINavigationController and then added as a subView to my RootViewController in my ViewDidLoad (of the RootViewConroller).
frontController = [[UIViewController alloc] init];
frontController.view.backgroundColor = [UIColor blackColor];
[frontController.view addSubview:self.tableView];
... ///
self.navBar = [[UINavigationController alloc] initWithRootViewController:self.frontController];
//finally add the Top UIViewController
self.contentViewController = self.navBar;
/// Move to new view when cell is touched
DetailsTwo *my_detailViewController = [[DetailsTwo alloc] initWithNibName:#"DetailsTwo" bundle:[NSBundle mainBundle]];
[self.navBar pushViewController:my_detailViewController animated:YES];
My problem: How do I [tableView reloadData] the table View (When I go back to the view from the back button from navBar) ?
Why are both ViewWillAppear and ViewDidAppear not getting called (Conceptually what am I missing) ?
Hope that made sense and Thank You.
#jeffamaphone - put me on the right track: (hope this helps someone else)
//.h
#interface RootViewController : UIViewController <UINavigationControllerDelegate> {
UINavigationController *navController;
}
//.m
Then implement these two methods:
- (void)navigationController:(UINavigationController *)navigationController
willShowViewController:(UIViewController *)viewController animated:(BOOL)animated
{
[viewController viewWillAppear:animated];
}
- (void)navigationController:(UINavigationController *)navigationController
didShowViewController:(UIViewController *)viewController animated:(BOOL)animated
{
[viewController viewDidAppear:animated];
}
*****Be sure to set the root view controller as the delegate for the nav controller. Now viewWillAppear / viewDidAppear will be called whenever a controller is pushed/popped from the stack.
I have a UIView named scoreView on ViewController. When I load the ViewController I hide the scoreView in the viewDidLoad method. It works fine.
- (void)viewDidLoad{
[super viewDidLoad];
self.navigationController.navigationBarHidden = YES;
scoreView.hidden = YES;
}
Then after being pushed from another view controller to this ViewController, I call a method, where I want to show the scoreView. But the scorView is still being hidden. Where is the mistake I am doing?
-(void)levelCompleteViewAppear: (NSString *)score{
NSLog(#"This method is called!");
scoreView.hidden = NO ;
[gameScore setText:score];
}
This is how I am pushing to the ViewController from anothe view controller.
-(void)levelComplete{
UIStoryboard *storyboard = [UIStoryboard storyboardWithName:#"Main" bundle: nil];
ViewController *vc = [storyboard instantiateViewControllerWithIdentifier:#"ViewController"];
[self.navigationController pushViewController:vc animated:YES];
[vc levelCompleteViewAppear:scoreLabel.text];
}
Try This,
-(void)viewDidLoad
{
[super viewDidLoad];
[self.view addSubview:scrollview];
[self.view bringSubviewToFront:scrollview];
}
When you are pushing the viewController to navigationController, it will not call viewDidLoad directly. If you want to make it visible, write it down in viewWillAppear or vieDidAppear method.
- (void) viewWillAppear{
scoreView.hidden = YES;
}
add this in your code
If first time ViewController class in opeining then ViewDidLoad will call but if you are coming back from some other ViewController then ViewDidLoad wont get call for that you need to show your View in ViewWillAppear Or ViewDidAppear.
Suppose you called Class A then ViewDidLoad will get call then again you moved class B then class B viewDidLoad will get call but if you are coming back again to class A then your viewDidLoad wont get call, it will call ViewWillAppear and viewDidAppear.
Hope it may clear you more.
-(void)viewWillApper:(BOOL)animated{
scoreView.hidden = NO ;
}
I have a problem in my app.
When I pass a UIView to a SecondViewController in this way
SecondViewController *second = [self.storyboard instantiateViewControllerWithIdentifier:#"secondviewcontroller"];
second.currentView = currentView;
(second.currentView is my property in SecondViewController and I pass to it my view)
At this point, it's all ok and my SecondViewController show correctly my currentView, but when I retund in FirstViewController my currentView disappear!!!
Why? Can you help me? thanks
UPDATE
in FirstViewController.h
IBOutlet UIView *currentView;
in FirstViewController.m
SecondViewController *second = [self.storyboard instantiateViewControllerWithIdentifier:#"secondviewcontroller"];
second.currentView = currentView;
[self presentViewController:second animated:NO completion:nil];
in SecondViewController.h
#property (nonatomic, strong) UIView *currentView;
in SecondViewController.m
- (void) viewDidAppear:(BOOL)animated{
[self.view addSubview:self.currentView];
self.currentView.center = CGPointMake(self.view.bounds.size.width/2, self.view.bounds.size.height/2);
}
this is my code in the two ViewControllers, and when I return in FirstViewController currentView there isn't... it disappear...
A view only have super view, so when you add the view to SecondViewController you care adding it to its view hierarchy and thus removing to from your current view controller. When you call something like:
- (void) viewDidLoad{
[super viewDidLoad];
// Here the view is removed the first view and placed on the second view.
[self.view addSubView:self.secondView];
}
Thus if you want to add it back in the first view you need to add it again to view hierarchy of the first view.
A beter solution would be pass the data to the next view controller, not to view but the model. Like pass the model object holding the data presented in the view.
I solved my issue!!!
When I return in FirtsViewController I must add a new time my view in my self.view at last position, in this way:
[self.view addSubview:currentView];
[currentView setCenter:initially_center_view];
in this way I see my view!!!