CODEWITHSUNDEEP
iosswift
Hannes Sandberg
Hannes Sandberg

Reputation: 31

Type 'ViewController' does not conform to protocol 'MDCSwipeToChooseDelegate'

I am trying to do a "Tinder Swipe" in Swift using MDCSwipeToChoose Delegate. I am following this tutorial https://github.com/modocache/MDCSwipeToChoose

But after installing the CocoaPod and inserting the code from the tutorial I get the error "Type 'ViewController' does not conform to protocol 'MDCSwipeToChooseDelegate'". Here is the part of the code in my ViewController that contains the error: 

import UIKit


class ViewController: UIViewController {

override func viewDidLoad() {
    super.viewDidLoad()
    // Do any additional setup after loading the view, typically from a nib.

    var options = MDCSwipeToChooseViewOptions() // Here is where I get the error
    options.delegate = self //And the same error here
    options.likedText = "Keep"
    options.likedColor = UIColor.blueColor()
    options.nopeText = "Delete"
    options.onPan = { state -> Void in
        if state.thresholdRatio == 1 && state.direction == MDCSwipeDirection.Left {
            println("Photo deleted!")
        }
    }

    var view = MDCSwipeToChooseView(frame: self.view.bounds, options: options)
    view.imageView.image = UIImage(named: "photo.png")
    self.view.addSubview(view)
}

Upvotes: 2

Views: 911

Answers (2)

Zoleas
Zoleas

Reputation: 4879

Your ViewController should implement the MDCSwipeToChooseDelegate protocol. So it should be like:

class ViewController: UIViewController, MDCSwipeToChooseDelegate {

And you might want to implement the methods of this protocol (there are optional but depending what you want to do, you may have to use them)

func viewDidCancelSwipe(view: UIView) -> Void

func view(view: UIView, shouldBeChosenWithDirection: MDCSwipeDirection) -> Bool

func view(view: UIView, wasChosenWithDirection: MDCSwipeDirection) -> Void

Upvotes: 2

Dejan Skledar
Dejan Skledar

Reputation: 11435

Did you implement all the necessary methods?

func viewDidCancelSwipe(view: UIView) -> Void

func view(view: UIView, shouldBeChosenWithDirection: MDCSwipeDirection) -> Bool

func view(view: UIView, wasChosenWithDirection: MDCSwipeDirection) -> Void

Upvotes: 0

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