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Passing data from embedded PageViewController to parent View Controller


Passing data from embedded PageViewController to parent View Controller

By : best georgia
Date : November 17 2020, 03:01 PM
I hope this helps . The proper way would be to create a delegate protocol and have the parent conform to it (which the child then has a reference to as a weak property) or pass in a completion handler callback block to the child and have the child call that. Generally, you don't want to be directly referencing a parent from its child.
code :


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Passing data back from embedded view controller

Passing data back from embedded view controller


By : user2252879
Date : March 29 2020, 07:55 AM
This might help you I have a UIViewController which embedded inside another UIViewController. In this child view controller, there are two UITextFields which lets the user to enter some data. , You need to typecast before using it. Check with:
code :
let myObj : MyClass        = self.childViewControllers.last as ? MyClass;
let textfield: UITextField = myObj?.usernameTextField! as UITextField;
Embedded directive not passing its form data to parent controller

Embedded directive not passing its form data to parent controller


By : gpaume
Date : March 29 2020, 07:55 AM
Hope this helps I have a main form with an embedded form within it. The embedded form changes depending on the type of form the user decides to submit, the outer form remains the same on every case. I'm trying to take both form's content and submit them at the same time. I'm combining the forms on the same model. Outer form: formHolder.outer..., Inner form: formHolder.inner... , I forgot to add the form-holder attribute to the directive element.
code :
<template-maker formtype="email" form-holder="formHolder" ></template-maker>
How can I pass data from a parent view controller to an embedded view controller in Swift?

How can I pass data from a parent view controller to an embedded view controller in Swift?


By : Linde_98
Date : March 29 2020, 07:55 AM
wish helps you A way to achiеve this is to get the child view controller instance in the parent's viewDidLoad. It appears that the parent's viewDidLoad: gets called after the child's viewDidLoad:, which means the label is already created in the child's view.
code :
override func viewDidLoad() {
    super.viewDidLoad()

    if let childVC = self.childViewControllers.first as? ChildVC {
        childVC.someLabel.text = "I'm here. Aye-aye."
    }   
}
Passing Data between view Controllers Using a segue from a view embedded in a navigation controller to a tabbarcontrolle

Passing Data between view Controllers Using a segue from a view embedded in a navigation controller to a tabbarcontrolle


By : Ahad Ali
Date : March 29 2020, 07:55 AM
this will help This is my view controller where you can check that I am sending 5 to tabbar first viewcontroller:
code :
   class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        self.performSegue(withIdentifier: "segueIdentifier", sender: self)
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }


    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        let barViewControllers = segue.destination as! UITabBarController
        let destinationNv = barViewControllers.viewControllers?[0] as! UINavigationController
        let destinationViewController = destinationNv.viewControllers[0] as! FirstViewController
        destinationViewController.currentBalance = 5
    }
}
class FirstViewController: UIViewController {

    var currentBalance = 0
    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
        print(currentBalance)
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

}
Passing Data From Parent View Controller to Child View Controller Swift 4

Passing Data From Parent View Controller to Child View Controller Swift 4


By : Mariano
Date : March 29 2020, 07:55 AM
it fixes the issue I am trying to send data from parent view controller (Container View) to its child view controller. , Try this code
code :
if let controller = (self.childViewControllers.filter {$0 is urChildController}).first {
    // assign ur parsed data of parent controller to your child controller 
    controller.dict = self.urResponseDict

}
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