I am writing the following code in a button click event and i am trying to navigato the class PDFReaderViewController, but on click of the button its not navigating, can anybody tell me y
UINavigationController *addNavigationController;
PDFReaderViewController *avController = [[PDFReaderViewController alloc] initWithNibName:nil bundle:nil];
if(addNavigationController == nil)
{
addNavigationController = [[UINavigationController alloc] initWithRootViewController:avController];
addNavigationController.navigationBar.tintColor = [UIColor blackColor];
addNavigationController.navigationBar.alpha=0.7f;
addNavigationController.navigationBar.translucent=YES;
[self.navigationController presentModalViewController:addNavigationController animated:YES];
}
What you are actually looking for?
In your code you are trying to present a navigationController from another navigation controller.
To present a vieController as a modelViewController you don't need a custom NavigationController.You can present it simply by:
PDFReaderViewController *avController = [[PDFReaderViewController alloc] initWithNibName:nil bundle:nil];
[self.navigationController presentModalViewController:avController animated:YES];
[avController release];
Class *obj=[Class alloc];
[self.view addSubview:obj.view];
You can use this for navigating Class.
Related
I have pushed a view controller embedded in a navigation controller after tapping a button in my app. I am trying to add a "SAVE" button in the right corner of the nav bar. However, with this code it is not showing up. My assumption is that it is not showing up because nc.navigationItem.rightBarButtonItem should be placed in viewWillAppear. Since nc is programmatically created and does not have a class file with viewWillAppear how can I do this?
Here is my code:
- (IBAction)editProfileButtonTapped:(UIButton *)sender {
FXFormViewController *vc = [[FXFormViewController alloc] init];
vc.formController.form = [[PersonalContactInfoForm alloc] init];
UINavigationController *nc = [[UINavigationController alloc] initWithRootViewController:vc];
nc.navigationBar.translucent = NO;
nc.navigationBar.barTintColor = [UIColor colorWithRed:(105/255.0)
green:(210/255.0)
blue:(231/255.0)
alpha:1.0];
// WHY IS THIS BUTTON NOT BEING ADDED?
nc.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:#"Save" style:UIBarButtonItemStylePlain target:self action:nil];
[self presentViewController:nc animated:YES completion:nil];
}
The UINavigationController uses the -navigationItem of the currently displayed view controller. Try this instead:
vc.navigationItem.rightBarButtonItem = ...
Here you can take advantage of a powerful feature of OOP called Inheritance.
Create a Class say MyFXFormViewController inherited from FXFormViewController.
MyFXFormViewController.h
#import "FXFormViewController.h"
#interface MyFXFormViewController : FXFormViewController
#end
MyFXFormViewController.m
#import "MyFXFormViewController.h"
#implementation MyFXFormViewController
- (void)viewDidLoad {
[super viewDidLoad];
UIBarButtonItem *saveBarButton = [[UIBarButtonItem alloc] initWithTitle:#"Save" style:UIBarButtonItemStylePlain target:self action:nil];
self.navigationItem.rightBarButtonItem = saveBarButton;
}
And your previous code should be like
- (IBAction)editProfileButtonTapped:(UIButton *)sender {
MyFXFormViewController *vc = [[MyFXFormViewController alloc] init];
vc.formController.form = [[PersonalContactInfoForm alloc] init];
UINavigationController *nc = [[UINavigationController alloc] initWithRootViewController:vc];
nc.navigationBar.translucent = NO;
nc.navigationBar.barTintColor = [UIColor colorWithRed:(105/255.0)
green:(210/255.0)
blue:(231/255.0)
alpha:1.0];
[self presentViewController:nc animated:YES completion:nil];
}
I have 2 viewcontrollers in a TabBarController, in 2nd ViewController I have a button which on click should take me to ThanksViewController with out Tabs anymore!!
Please check my code below:
//AppDelegate.m
UINavigationController *nav=[[UINavigationController alloc]initWithRootViewController:_viewController];
self.window.rootViewController = nav;
//ViewController.m
tab=[[UITabBarController alloc]init];
tab.delegate=self;
oneViewController=[[OneViewController alloc]init];
UINavigationController *oneNav=[[UINavigationController alloc]initWithRootViewController:oneViewController];
oneNav.title=#"One";
twoViewController=[[TwoViewController alloc]init];
UINavigationController *twoNav=[[UINavigationController alloc]initWithRootViewController:twoViewController];
twoNav.title=#"Two";
views=[[NSMutableArray alloc]initWithObjects:oneNav, twoNav, nil];
tab.viewControllers=views;
[tab.view setFrame:CGRectMake(0, 0, 1024, 748)];
[self.view addSubview:tab.view];
In my TwoViewController (tab 2) I've a Button 'OK' which on click should take me to ThanksViewController, for that I've written the following code:
//TwoViewController.m
-(void)OK
{
ThanksViewController *thanksViewController=[[ThanksViewController alloc]init];
[self.navigationController pushViewController:thanksViewController animated:YES];
}
My problem is I want to exit from TabBarController and move on to the ThanksViewController(without TabBarController at the bottom) but in this case I'm getting the ThanksViewController in the TabBarController itself in place of the TwoViewController.
Can someone please suggest me in this case, thanks in advance.
After push ThanksViewController do you want to be possible to go back and present TabBarController again?
If so, use modal, like this:
ThanksViewController *view = [[ThanksViewController alloc] init];
UINavigationController *navThanks = [[UINavigationController alloc] initWithRootViewController:view];
[navThanks setModalTransitionStyle:UIModalTransitionStyleFlipHorizontal];
[self presentModalViewController:navThanks animated:YES];
[self.view setHidden:YES];
I have PopupoverControl and this popup has UIViewtablecontrol and one of UITable control should navigate to another UIViewtablecontrol but it doesn't navigate this is the code in selection in first uitableview:
OpenFileViewController *openfileview = [[OpenFileViewController alloc] initWithNibName:#"OpenFileViewController" bundle:nil v_files:[self GetFiles] v_ui:parentview];
UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:openfileview];
[self.navigationController presentModalViewController:navController animated:YES];
in .xib file in both uiviewtable I enabled Top Bar with Navigation Bar but it doesn't appear why?
No need for the new navController, try this instead:
[self.navigationController pushViewController:openfileview animated:YES];
Edit:
The root view controller of the popover should be a UINavigationController object, so try this when you're creating the popover:
UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController: optionw];
UIPopoverController *optioandiaglog= [[UIPopoverController alloc] initWithContentViewController:navController];
having difficulty getting UIButton Items to show.. I want to place several UIButtons within my UIPopUpController. I'm doing everything in a storyboard and I need to do this section programmatically.
- (void)showPopover:(id)sender
{
if(![popoverController isPopoverVisible])
{
myPopOver = [[PopUp alloc] init];
popoverController = [[UIPopoverController alloc] initWithContentViewController:myPopOver] ;
[popoverController setPopoverContentSize:CGSizeMake(300, 200.0f)];
permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
CGRect rect = (CGRect)[sender frame];
rect.origin.y = self.view.frame.size.height - rect.size.height;
[popoverController presentPopoverFromRect:rect inView:self.view permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
}
else
{
[popoverController dismissPopoverAnimated:YES];
}
}
You could use a UINavigationController (it has already a navigation bar where you can attach buttons items) and add it as the content of your UIPopoverController. The UINavigationController can be istantiated using the initWithRootViewController method. In this case the controller would be your Popup class. For example, inside your showPopover method, you could do the following:
PopUp* myPopOver = [[PopUp alloc] init];
UINavigationController* navController = [[UINavigationController alloc] initWithRootViewController:myPopOver];
popoverController = [[UIPopoverController alloc] initWithContentViewController:navController];
// do other stuff here to present you UIPopoverController
[myPopOver release];
[navController release];
Now, inside your PopUp class, within viewDidLoad method, you can customize the UINavigationController navigationBar. For example:
- (void)viewDidLoad {
[super viewDidLoad];
UIBarButtonItem *aButtonItem = [[UIBarButtonItem alloc] initWithTitle:#"Show" style:UIBarButtonItemStylePlain target:self action:#selector(somethingSelector:)];
self.navigationItem.rightBarButtonItem = aButtonItem;
[aButtonItem release];
}
where somethingSelector is like the following:
- (void)somethingSelector:(id)sender
{
// your custom actions
}
EDIT
Alternatively you can avoid to use the UINavigationController and create UIToolbar inside your PopUp class. Inside the UIToolbar you can attach UIBarButtonItems. See UIToolbar Class Reference
I want to add two Buttons on top of UIPopoverController like it is shown in following screenshots:
HTML Edit
Thanks for helping me!
Add your view controller to a UINavigationController, then add the Navigation Controller to the UIPopoverController. Then in your UIViewController's viewDidLoad method, put this code in:
UIBarButtonItem *okButton = [[UIBarButtonItem alloc] initWithTitle:#"Ok" style:UIBarButtonItemStyleBordered target:self action:#selector(okayButtonPressed)];
UIBarButtonItem *cancelButton = [[UIBarButtonItem alloc] initWithTitle:#"Cancel" style:UIBarButtonItemStyleBordered target:self action:#selector(cancelButtonPressed)];
self.navigationItem.title = #"My Title";
[self.navigationItem setLeftBarButtonItem:cancelButton animated:NO];
[self.navigationItem setRightBarButtonItem:okButton animated:NO];
[cancelButton release];
[okButton release];
You need to initialize your popover with a UINavigationController directly. Then set the root view to your custom view controller.
UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:yourViewController];
UIPopoverController *popover = [[UIPopoverController alloc] initWithContentViewController:navigationController];
Use a UINavigationController as the pop-over. Then, access the .navigationBar property of the navigation controller, get the .topItem, and set its .leftBarButtonItem and .rightBarButtonItem.
I wouldnt use a navigationcontroller like the previous posters suggested, apple recommends not using navigationcontrollers on ipad (with good reason) it doesnt behave as youd expect when pushing VC into the stack when used in popovers, now you dont really want to use the "navigation" aspect of it, but i wouldnt use navigationcontroller just because uw ant the bar....Use a UIToolBar instead, and set its buttons to whatever you want...no need to use a navigation controller here...
When I do this my navBar doesn't seem to fit properly inside of the UIPopoverController, as shown in the below:
http://www.flickr.com/photos/coleorton/4752223066/
Here's what I'm doing:
// alloc the Direct Reports view controller.
ToolsViewController *toolsViewController = [[[ToolsViewController alloc] init] autorelease];
UINavigationController *toolsNavController = [[[UINavigationController alloc] initWithRootViewController:toolsViewController] autorelease];
toolsNavController.title = #"Tools";
toolsNavController.view.frame = CGRectMake(0.0, -10.0, 320.0, POPOVER_HEIGHT);
if(![self.toolsPopoverController isPopoverVisible]){
// show popover
self.toolsPopoverController = [[[UIPopoverController alloc] initWithContentViewController:toolsNavController] autorelease];
self.toolsPopoverController.delegate = self;
self.toolsPopoverController.popoverContentSize = CGSizeMake(320.0, POPOVER_HEIGHT);
[self.toolsPopoverController presentPopoverFromBarButtonItem:sender
permittedArrowDirections:UIPopoverArrowDirectionAny
animated:YES];
} else {
// close popover
[self.toolsPopoverController dismissPopoverAnimated:YES];
}
This worked!
//Determine how to present this view based on device
if ([UIDevice currentDevice ].userInterfaceIdiom == UIUserInterfaceIdiomPad) {
BNRAssetTypeViewController *contentViewController = [[BNRAssetTypeViewController alloc] init];
UINavigationController *popOverNavigation = [[UINavigationController alloc] initWithRootViewController:contentViewController];
self.assetPickerPopover = [[UIPopoverController alloc] initWithContentViewController:popOverNavigation];
[self.assetPickerPopover presentPopoverFromBarButtonItem:sender permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
}
then in the init function of contentViewController add this
//add a barbutton item which will help in adding new type
UIBarButtonItem *bbi = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:#selector(addNew:)];
//set bar item to right side of navbarite
self.navigationItem.rightBarButtonItem =bbi ;