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Views & View Controllers

 
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delovski



Joined: 14 Jun 2006
Posts: 3522
Location: Zagreb

PostPosted: Wed Jan 14, 2009 9:41 pm    Post subject: Views & View Controllers Reply with quote

iphonedevbook.com - Tab Bar with Switch Views

"I've created a TabBar project with three views. I want the SwitchViews to be
one of my views. I've managed to incorporate a button in the switch views
project instead of the toolbar, very easy. I've incorporated two other different
views in the project as views 2 and 3 but can't seem to incorporate the Switch-
Views as view 1."
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delovski



Joined: 14 Jun 2006
Posts: 3522
Location: Zagreb

PostPosted: Sat Jan 24, 2009 4:03 pm    Post subject: Reply with quote

iphonedevbook - Using a method in a different file. Obj-C Question

"It's a lot simpler to use one of apple's root controllers. Navigation bar, tab
bar and so on. But this is for when you do not want any visible controller to
remain on the screen."
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delovski



Joined: 14 Jun 2006
Posts: 3522
Location: Zagreb

PostPosted: Mon Apr 06, 2009 10:01 pm    Post subject: Reply with quote

Matt Gallagher - Recreating UITableViewController to increase code reuse

"I'll show you what UITableViewController does by recreating its functionality
on top of UIViewController and show you why doing this can provide a richer
base controller class that you can use throughout your iPhone application."
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Ike
Kapetan


Joined: 17 Jun 2006
Posts: 2634
Location: Europe

PostPosted: Wed Sep 23, 2009 6:13 pm    Post subject: Reply with quote

so - Get Position of UIView within entire UIWindow

"I need to determine the position of the UIView in the entire 320x480 co-
ordinate system. For example, if the UIView is in a UITableViewCell it's
position within the window could change dramatically irregardless of the
superview."
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delovski



Joined: 14 Jun 2006
Posts: 3522
Location: Zagreb

PostPosted: Sun Jul 04, 2010 3:15 am    Post subject: Reply with quote

iphonedevsdk.com - Put something behind a translucent status bar?

"I am trying to more or less re-create the built-in Photos app functionality
as part of my app. What I am stuck on right at this moment is getting a full
screen image to show up behind a translucent status bar."
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delovski



Joined: 14 Jun 2006
Posts: 3522
Location: Zagreb

PostPosted: Thu Oct 14, 2010 7:41 pm    Post subject: Reply with quote

MF - Popping Modal UINavigationController

"I have a separate XIB file containing a UINavigationController. It's in a se-
parate XIB so it can be loaded and displayed from a number of different po-
ints in my app."
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delovski



Joined: 14 Jun 2006
Posts: 3522
Location: Zagreb

PostPosted: Mon Jul 25, 2011 11:57 pm    Post subject: Reply with quote

so - Fullscreen UIView with Status bar and Navigation Bar overlay
on the top


"Just set “wants fullscreen layout” in your view controller. That solves the
problem for me."
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delovski



Joined: 14 Jun 2006
Posts: 3522
Location: Zagreb

PostPosted: Wed Nov 02, 2011 1:25 am    Post subject: Reply with quote

so - How may I define the “Group table view” pattern as
background programmaticaly?


"I think everything is in the title Smile"
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delovski



Joined: 14 Jun 2006
Posts: 3522
Location: Zagreb

PostPosted: Sat Jun 09, 2012 1:37 am    Post subject: Reply with quote

so - UIButton: how to center an image and a text using imageEdgeInsets and titleEdgeInsets?

"First, configure the text of titleLabel (because of styles, i.e, bold, italic, etc).
Then, use setTitleEdgeInsets considering the width of your image"
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XNote
Kapetan


Joined: 16 Jun 2006
Posts: 520

PostPosted: Thu Dec 20, 2012 1:34 pm    Post subject: Reply with quote

so - Presenting a view controller in Universal app, iOS 4 to 6

Code:
@interface MasterViewController ()
@property (nonatomic, retain) UIPopoverController *popoverController;
- (void)presentViewController:(UIViewController *)viewController origin:(id)origin;
@end

@implementation MasterViewController
@synthesize popoverController;

- (void)presentViewController:(UIViewController *)viewController origin:(id)origin {
    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) {
        if ([self respondsToSelector:@selector(presentViewController:animated:completion:)]) {
            [self presentViewController:viewController animated:NO completion:nil];//iOS 5 and above
        } else {
            [self presentModalViewController:viewController animated:NO]; //iOS 4, deprecated in iOS 6
        }
    } else {
        if (!self.popoverController) {
            self.popoverController = [[[UIPopoverController alloc] initWithContentViewController:viewController] autorelease];
        } else {
            [self.popoverController setContentViewController:viewController];
        }

        if(![self.popoverController isPopoverVisible]) {
            if([origin isKindOfClass:[UIBarButtonItem class]]) {
                [self.popoverController presentPopoverFromBarButtonItem:origin
                                               permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
            } else {
                [self.popoverController presentPopoverFromRect:CGRectZero inView:origin permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];
            }
        }
    }
}

@end
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XNote
Kapetan


Joined: 16 Jun 2006
Posts: 520

PostPosted: Thu Dec 20, 2012 2:05 pm    Post subject: Reply with quote

so - dismissViewControllerAnimated:completion: method not working

"This should work for you. Check it."

Code:
MainController *mainController = (MainController *)self.parentViewController;

    [self dismissViewControllerAnimated:YES completion:^{
                    [mainController aMethod];
                }];
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delovski



Joined: 14 Jun 2006
Posts: 3522
Location: Zagreb

PostPosted: Wed Jul 30, 2014 5:37 pm    Post subject: Reply with quote

github.com - RKSwipeBetweenViewControllers

"Swipe between ViewControllers like in the Spotify or Twitter app with an
interactive Segmented Control in the Navigation Bar"


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Ike
Kapetan


Joined: 17 Jun 2006
Posts: 2634
Location: Europe

PostPosted: Fri Dec 01, 2017 10:36 pm    Post subject: Reply with quote

so - 'Application windows are expected to have a root view controller at the end of application launch' error when running a project with Xcode 7, iOS 9

"Thank you very much . the answer is in the error message: 'Application
windows' I find there is two window in my project ,one is normal widdow,
the other is a third party modual called."
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Ike
Kapetan


Joined: 17 Jun 2006
Posts: 2634
Location: Europe

PostPosted: Wed Oct 09, 2019 7:45 pm    Post subject: Reply with quote

so - Is it not possible to create a UIViewController programmatically without building the view?

"I want to create a UIViewController programmatically. No nibs or storyboards.
It will basically be created and then presented, and in its own class it will set up
an image to be displayed."
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Ike
Kapetan


Joined: 17 Jun 2006
Posts: 2634
Location: Europe

PostPosted: Mon Mar 02, 2020 9:48 pm    Post subject: Reply with quote

sarun - How to create a new Xcode project without Storyboard

"When you create a new project in Xcode, the default boilerplate includes the
Main.storyboard. If you are going with a no storyboard approach and want to
set everything up in code, there are a few steps you need to do."
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Ike
Kapetan


Joined: 17 Jun 2006
Posts: 2634
Location: Europe

PostPosted: Fri Jul 03, 2020 8:29 pm    Post subject: Reply with quote

so - Set UIViewController view property to custom UIView class without storyboard

"You can override this method in order to create your views manually. If you
choose to do so, assign the root view of your view hierarchy to the view
property. The views you create should be unique instances and should not be
shared with any other view controller object. Your custom implementation of
this method should not call super."
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Ike
Kapetan


Joined: 17 Jun 2006
Posts: 2634
Location: Europe

PostPosted: Sat Jul 04, 2020 3:49 pm    Post subject: Reply with quote

so - Get to UIViewController from UIView?

Code:
@interface UIView (FindUIViewController)
- (UIViewController *) firstAvailableUIViewController;
- (id) traverseResponderChainForUIViewController;
@end

@implementation UIView (FindUIViewController)
- (UIViewController *) firstAvailableUIViewController {
    // convenience function for casting and to "mask" the recursive function
    return (UIViewController *)[self traverseResponderChainForUIViewController];
}

- (id) traverseResponderChainForUIViewController {
    id nextResponder = [self nextResponder];
    if ([nextResponder isKindOfClass:[UIViewController class]]) {
        return nextResponder;
    } else if ([nextResponder isKindOfClass:[UIView class]]) {
        return [nextResponder traverseResponderChainForUIViewController];
    } else {
        return nil;
    }
}
@end
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Ike
Kapetan


Joined: 17 Jun 2006
Posts: 2634
Location: Europe

PostPosted: Fri Jun 17, 2022 9:06 am    Post subject: Reply with quote

r - Any good sources to learn how to build UI programmatically?

"The Let's Build That App site has tons of good tutorial videos. He usually
follows a programmatic approach. He has paid courses, but quite a few of
the standalone videos are free. The paid courses are quite good."
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