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Passing data to a specific View Controller without entering the controller Swift


Passing data to a specific View Controller without entering the controller Swift

By : prle
Date : November 19 2020, 01:01 AM
I hope this helps you . I think you might be looking for a global variable. Use this code to make the variables:
code :
struct globalVars {
    static var firstVar = "Your text"
    static var secondVar = Some number
    static var thirdVar = Some array
}
let globalText = globalVars.firstVar
println(globalText)
globalVars.firstVar = "The new text"


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Data passing between two View Controller Swift IOS

Data passing between two View Controller Swift IOS


By : Jan Hentschel
Date : March 29 2020, 07:55 AM
hop of those help? Define variable globally with var because Variables declared with let must immediately be assigned a value. You cannot simply define a variable with let and no value like you're trying to do on the first line.
If you are modifying value at runtime, which is not what a constant is. Thus, you need a variable, even if its value only changes once.
code :
class viewcontroller:UIViewcontroller{

// Define  variable gpa here with its return type...
   var gpa:Float?   

override func viewDidLoad() {
    super.viewDidLoad()
    //   relevant code
}

@IBAction func CalculateGpa(sender: AnyObject){
    gpa = TotalGiCi/TotalGi
}

// Data passing code
Passing data from view controller to table view controller in ios swift 2

Passing data from view controller to table view controller in ios swift 2


By : Jean
Date : March 29 2020, 07:55 AM
This might help you You have to declare String variable in your 3rd View Controller (Table View Controller) like
code :
var myString: String = ""

override func viewDidLoad() {
    super.viewDidLoad()
}
let DestViewController:tableviewcontroller = segue.destinationViewController as! tableviewcontroller
DestViewController.myString = labelText.text!
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell
{
    let cell1 = tableView.dequeueReusableCellWithIdentifier("cell1", forIndexPath: indexPath)
    cell1.textLabel!.text = myString
    return cell1
}
DestViewController.passdata = tblLable.text! //In first View Controller
cell1.textLabel!.text = tblLable.text! //In second View controller
Passing a variable result from one view controller to another non-view controller swift file

Passing a variable result from one view controller to another non-view controller swift file


By : Sanjeet Panda
Date : March 29 2020, 07:55 AM
To fix the issue you can do Generally from what you are describing this is simply passing your object between view controllers you are having. Assume having:
code :
class LoginData {
   var username: String?
}
@IBAction onNextPressed() {
    let loginData = LoginData() // Create object
    loginData.username = self.textField.text // Set data to it

    let nextController = UIStoryboard(...) as! NextViewController // Generate new view controller
    nextController.loginData = loginData // Assign login data
    navigationController.push(... nextController ...) // Show controller
}
class NextViewController: UIViewController {
    var loginData: LoginData?

    override func viewDidLoad() {
        super.viewDidLoad()
        self.label.text = loginData?.username
    }

...
class User {
    static var current: User?

    var loginData: LoginData?
}
@IBAction onNextPressed() {
    let loginData = LoginData() // Create object
    loginData.username = self.textField.text // Set data to it

    let newUser = User() // Create a new user
    newUser.loginData = loginData // Assign login data to it
    User.current = newUser // Set current user

    let nextController = UIStoryboard(...) // Generate new view controller
    navigationController.push(... nextController ...) // Show controller
}
class NextViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        self.label.text = User.current?.loginData?.username
    }

...
extension User {
   var serviceURL: URL? {
      guard let username = username else {
         return nil
      }
      return URL(string: "https://some.pat/\(username)/resource_name")
   }
}
Swift 3 - Passing data between a View Controller and after that to another 2

Swift 3 - Passing data between a View Controller and after that to another 2


By : Faiq Khan
Date : March 29 2020, 07:55 AM
it should still fix some issue Before calling presentViewController add :
nextViewController.name = yourTextField.text
code :
    @IBAction func doSegue(_ sender: UIButton) {
        buttonTag = sender.tag

        let storyboard = UIStoryboard (name: "Main", bundle: nil)
        let resultVC = storyboard.instantiateViewController(withIdentifier: "ResultViewController")as! ResultViewController

        // Communicate with new VC - These values are stored in the destination
        // you can set any value stored in the destination VC here
        resultVC.firstValue = buttonTag
        resultVC.secondValue = randomOpponentValue()
        self.navigationController?.pushViewController(resultVC, animated: true)
    }
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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