Call a method from a String in Swift

gistfile1.txt

// Ref: https://stackoverflow.com/questions/24245262/call-a-method-from-a-string-in-swift

import UIKit

class TestDevice1: NSObject {
    @objc func getPressure() {
        print("get Pressure for TestDevice1")
    }
    @objc func getBattery() {
        print("get Battery for TestDevice1")
    }
}

class TestDevice2: NSObject {
    @objc func getPressure() {
        print("get Pressure for TestDevice2")
    }
    @objc func getBattery() {
        print("get Battery for TestDevice2")
    }
}

class ViewController: UIViewController {


    override func viewDidLoad() {
        super.viewDidLoad()
        testAction(className: "TestProject.TestDevice1", methodName: "getPressure")
        testAction(className: "TestProject.TestDevice2", methodName: "getPressure")
    }

    func testAction(className: String, methodName: String) {
        let cla = NSClassFromString(className)
        if let cla = cla as? NSObject.Type {
            let selector: Selector = Selector(methodName)
            let instance = cla.init()
            if (instance.responds(to: selector)) {
                instance.perform(selector)
            } else {
                print("method not found")
            }
        } else {
            print("class not found")
        }
    }
}