parentviewcontroller

iOS - How to set imageview of a parent view controller through child container?

由 爷，独闯天下 提交于 2020-01-17 05:52:07
问题 I am currently using a container view and I want to change the value of parent view controller imageView through child view controller using delegates, but it always returns nil . import UIKit protocol updateImage { func userIsDone(image:UIImage) } class ViewController: UIViewController, updateImage{ @IBOutlet weak var imageView:UIImageView! var image = UIImage(named: "hello.png") override func viewDidLoad() { super.viewDidLoad() self.imageView.image=self.image } func userIsDone(image:

Add a child view controller's view to a subview of the parent view controller

由 随声附和 提交于 2020-01-09 04:39:07
问题 I want to add a tableViewController as a child view controller of a containerViewController (shown below). According to Apple's View Controller Programming Guide I can achieve this by the following lines of code inside my containerViewController: [self addChildViewController:tableViewController]; [self.view addSubview:tableViewController.view]; [tableViewController didMoveToParentViewController:self]; In fact, that works fine. Now the problem is that I do not want to add the

How to transfer data between Parent and Child View Controllers

由 走远了吗. 提交于 2019-12-31 07:07:22
问题 I have tried looking at answers on similar questions to this, but I am not particularly experienced and have had trouble following them, so any help would be much appreciated! My situation is as follows: when I press a button in my Parent ViewController, the following code is used to call a Child ViewController (by the way, the Child is actually a TableViewController, but it seems to work fine "thinking" it's a normal ViewController?): controller = (storyboard?.instantiateViewController

dimiss modal and return to presented childViewController in containerView

由 此生再无相见时 提交于 2019-12-25 14:48:55
问题 I am having a bit of an issue with dismissing a modal view presented from a childviewController in a container view. I have a UINavigationController as the rootViewController (MainNavigationController), and present a modal from one of the childViewControllers from the selectedSegmentIndex 1 (secondViewController). The modal is presented fine, but when I dismiss the modal to go back to the secondViewController(a subclass of HomeController) it returns me back to selectedIndex 0, so not the

delegation and passing data back from childViewController

由 ￣綄美尐妖づ 提交于 2019-12-12 06:55:08
问题 I have been struggling with this for a few days and have received valuable help on the way from S.O. I have made the simplest possible project to reduce the possibilities of it being a typo. All my project is, is a ViewController that holds a container view hooked to a childViewController. The "parent" ViewController is set as the delegate of the childViewController. In the viewDidLoad of the child I am passing a value which is just a string. This string should be passed on to the parent and

superview and parentviewcontroller nil after adding a subview

由 限于喜欢 提交于 2019-12-07 07:38:31
问题 I think I'm missing something fundamental and so I want to ask the community for some help. I'm building an app based around a basic iPhone Utility Application. My MainView and FlipsideView share some elements so I have created separate ViewControllers and nib files for those pieces. In order to do this I have done the following: 1. Created a viewcontroller called searchDateViewController which is the file's owner of searchDateView.xib 2. searchDateView.xib is basically a UIView with a

UIViewController parentViewController access properties

由 无人久伴 提交于 2019-12-05 04:17:11
问题 I know this question has been asked several times and I did read existing posts on this topic but I still need help. I have 2 UIViewControllers - parent and child. I display the child UIViewController using the presentModalViewController as below: ChildController *child = [[ChildController alloc] initWithNibName:@"ChildView" bundle:nil]; [self presentModalViewController:child animated:YES]; [child release]; The child view has a UIPickerView . When user selects an item from UIPickerView and

How to set parentViewController in UIViewController?

由 廉价感情. 提交于 2019-12-04 17:52:03
问题 The parentViewController property of UIViewController is readonly, but I am nesting custom view controllers and would like to use this property. However, since it is readonly, and I found no other way to set this property, my quesion is: how do I set it? Obviously, UINavigationController can set the property somehow in -pushViewController, and so can -presentModalViewController, so it must be possible. I am aware that I can just add my own UIViewController property, but I'm sure that

UIViewController parentViewController access properties

由 孤街醉人 提交于 2019-12-03 20:39:29
I know this question has been asked several times and I did read existing posts on this topic but I still need help. I have 2 UIViewControllers - parent and child. I display the child UIViewController using the presentModalViewController as below: ChildController *child = [[ChildController alloc] initWithNibName:@"ChildView" bundle:nil]; [self presentModalViewController:child animated:YES]; [child release]; The child view has a UIPickerView . When user selects an item from UIPickerView and clicks done, I have to dismiss the modal view and display the selected item on a UITextField in the

How to set parentViewController in UIViewController?

由 匆匆过客 提交于 2019-12-03 10:45:54
The parentViewController property of UIViewController is readonly, but I am nesting custom view controllers and would like to use this property. However, since it is readonly, and I found no other way to set this property, my quesion is: how do I set it? Obviously, UINavigationController can set the property somehow in -pushViewController, and so can -presentModalViewController, so it must be possible. I am aware that I can just add my own UIViewController property, but I'm sure that parentViewController is, in principle, the correct property. However, since it is readonly, and I found no
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