I don't understand why my calls to presentViewController:animated:completion: and dismissViewControllerAnimated:completion: are not performing the animations (although animated is YES and I'm calling these methods from the main thread)...
The code is pretty simple:
ProjectRootViewController *projectViewController = [ProjectRootViewController.alloc initWithProject:project department:Department.defaultDepartment];
NavigationController *navigationController = [NavigationController.alloc initWithRootViewController:projectViewController];
navigationController.modalPresentationStyle = UIModalPresentationFullScreen;
[viewController presentViewController:navigationController animated:YES completion:nil];
Any idea?
Ok it's resolved! This was because a leak of memory due to a category on NSObject... My bad!
Related
I have several .xib files (page1, page2 ...) and want to switch between them using buttons (as a navigation bar)
I am using
page1 *second = [[page1 alloc] initWithNibName:nil bundle:nil];
second.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal;
[self presentModalViewController:second animated: YES];
page2 *second = [[page2 alloc] initWithNibName:nil bundle:nil];
second.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal;
[self presentModalViewController:second animated: YES];
and so on...
I learned that this consumes a lot of memory because I am presenting a view over and over again and after switching back and forth the app sometimes crashes.
So, question is what can I do?
I tried this:
[self dismissModalViewControllerAnimated:YES]
but after dismiss it returns to the previous page and I can not navigate to another one.
Probably I used a stupid approach, however, I've done a few apps that way and don't want to change the controller completely.
Thank you for your help!
I think you have to create IBActions from that 2 blocks of code an link that IBActions to the right button.
Apologies if this is a basic question but I am new to Xcode and have a storyboard app and in the storyboard (with no segue) I have a view controller with an embedded map view.
On the storyboard screen I have an image with a tap gesture linked, I have tested the tap and it works (NSLog) but I want to know how to launch my mapview view controller and also zoom to an x&y.
My code currently has
-(IBAction)handleMapTap:(UIGestureRecognizer *)sender {
NSLog(#"Tapped");
}
& I have tried;
MMMapViewController *mapViewController = [[MMMapViewController alloc] initWithNibName:#"MapView" bundle:nil];
[self.navigationController pushViewController:mapViewController animated:YES];
My view controller has a class set as MMMapViewController I have given the view controller a storyboard id of MapView (if it's required?).
I've read a lot of stackoverflow articles but can't seem to find an answer. If anyone can help I would be really grateful.
-(IBAction)handleMapTap:(UIGestureRecognizer *)sender
{
MMMapViewController *mapViewController = [[MMMapViewController alloc] initWithNibName:#"MapView" bundle:nil];
//[self.navigationController pushViewController:mapViewController animated:YES];
[self presentModalViewController:mapViewController animated:YES];
[mapViewController release];
}
It would probably help to know what self is, if it is indeed a UIViewController, then
I would make sure that self.navigationController is not nil.
You actually have the right code, as far as I can tell, but depending on your scenario, you could get away with presenting the mapView as a modal view controller.
Ok, it's 3 am atm and I haven't a clue where I put this:
[navigationController.navigationBar setTintColor:[UIColor redColor];
If you would please post the whole .m/.h files that would be great. Also, do I connect anything using segues or outlets? And when you create the .h/.m files do I need UINavigationController or similar selected or just the normal UIViewController? Thanks.
Update: Nevermind I got it, thanks though. Below is the code for others having my issue.
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
UINavigationBar *bar = [self.navigationController navigationBar];
[bar setTintColor:[UIColor lightGrayColor]];
}
Basically just add on to what's already there.
I feel stupid lol.
You can set that value right after you init your UINavigationController, i.e:
UINavigationController *controller = [[UINabvigationController alloc] initWithRoot...
[controller.navigationBar setTintColor:[UIColor redColor]];
I have this code to load an NSView from a NIB and add it to another NSView:
// INIT
- (void)awakeFromNib {
// Load nib
DNListViewController *listViewController = [[DNListViewController alloc] initWithNibName:#"ListView" bundle:nil];
// Add view to window
[listViewController.view setFrame:detailView.frame];
[detailView addSubview:listViewController.view];
// MEM
[listViewController release];
}
All outlets are connected right, but nothing shows up. I don't understand why! Can someone help me? Thanks.
This is about NSViews, not UIViews!
Oh, I fixed it already. Nevermind, I'll let is stay here for people from the future.
[listViewController.view setFrame:detailView.frame];
must be
[listViewController.view setFrame:detailView.bounds];
A buddy of mine asked for a quick sample of code for an app skeleton that would use a TableView to call a TabView. I estimated an hour.
After more hours than I want to admit messing around in IB, I gave up and implemented the following code.
Can anyone tell me how to do this in IB? I was careful (I thought) to make all the right connections, but no go. I even had another (working) app where I went through and step-by-step made the same connections. I got errors about "Changing the delegate of a tab bar managed by a tab bar controller is not allowed..." (This when I connected the TabBar's delegate to the File's owner, even though another app was working fine with that setting)
Until I wrote this code, I never got the tabbar view, only the view that came with the view xib... (I tested by putting a label on the view).
Thanks in advance...
UITabBarController *tabBarController = [[[UITabBarController alloc] initWithNibName:nil bundle:nil] autorelease];
NumberOneViewController *numberOneViewController = [[[NumberOneViewController alloc] initWithNibName:#"NumberOneViewController" bundle:nil] autorelease];
NumberTwoViewController *numberTwoViewController = [[[NumberTwoViewController alloc] initWithNibName:#"NumberTwoViewController" bundle:nil] autorelease];
NumberThreeViewController *numberThreeViewController = [[[NumberThreeViewController alloc] initWithNibName:#"NumberThreeViewController" bundle:nil] autorelease];
NumberFourViewController *numberFourViewController = [[[NumberFourViewController alloc] initWithNibName:#"NumberFourViewController" bundle:nil] autorelease];
tabBarController.viewControllers = [NSArray arrayWithObjects:numberOneViewController, numberTwoViewController,
numberThreeViewController, numberFourViewController, nil];
[self.navigationController pushViewController:tabBarController animated:YES];
self.view = tabBarController.view; in the viewDidLoad method of the TabBarController delegate class fixed it...
Ah well, surely someone else will run into the same thing and hopefully this will help them...