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| import Foundation | |
| class CustomClass: NSObject { | |
| @objc func getValue(_ arg: Int) { | |
| print("val is: 100") | |
| } | |
| @objc func getValue2() { | |
| print("val is: 2") | |
| } | |
| } | |
| private func executeAction(className: String, methodName: String, arg: Any?) { | |
| let cla: AnyClass? = NSClassFromString(className) | |
| if let cla = cla as? NSObject.Type { | |
| let selector: Selector = Selector(methodName) | |
| let instance = cla.init() | |
| if (instance.responds(to: selector)) { | |
| if let arg = arg { | |
| instance.perform(selector, with: arg) | |
| } else { | |
| instance.perform(selector) | |
| } | |
| } else { | |
| print("method not found") | |
| } | |
| } else { | |
| print("class not found") | |
| } | |
| } | |
| executeAction(className: "YourProjectName.CustomClass", methodName: "getValue:", arg: 100) | |
| executeAction(className: "YourProjectName.CustomClass", methodName: "getValue2", arg: nil) | |
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| class DataModel: NSObject { | |
| var data = 1 | |
| var callback: ((Any?) -> Unmanaged<AnyObject>?)? | |
| } | |
| class CustomClass: NSObject { | |
| @objc func getValue(_ model: DataModel, completion callback: Any!) { | |
| print("get Value for CustomClass") | |
| if let callback = callback as? ((Any?) -> Unmanaged<AnyObject>?) { | |
| print("closure is not nil") | |
| _ = callback(model.data) | |
| } | |
| } | |
| @objc func setValue(_ model: DataModel, completion callback: Any!) { | |
| print("test11 set Value for CustomClass, val is: \(model.data)") | |
| if let callback = callback as? ((Any?) -> Unmanaged<AnyObject>?) { | |
| print("test11 closure is not nil") | |
| _ = callback(model.data) | |
| } | |
| } | |
| } | |
| class ViewController: UIViewController { | |
| override func viewDidLoad() { | |
| super.viewDidLoad() | |
| let dataModel = DataModel() | |
| executeAction(className: "TestProject2.CustomClass", methodName: "setValue:completion:", arg: dataModel) { result in | |
| print("test11 execute setValue callback complete!!, result: \(String(describing: result))") | |
| return nil | |
| } | |
| } | |
| private func executeAction(className: String, methodName: String, arg: Any?, callback: ((Any?) -> Unmanaged<AnyObject>?)? = nil) { | |
| let cla: AnyClass? = NSClassFromString(className) | |
| if let cla = cla as? NSObject.Type { | |
| let selector: Selector = Selector(methodName) | |
| let instance = cla.init() | |
| if (instance.responds(to: selector)) { | |
| if let arg = arg, | |
| let callback = callback { | |
| instance.perform(selector, with: arg, with: callback) | |
| } else if let arg = arg { | |
| instance.perform(selector, with: arg) | |
| } else { | |
| instance.perform(selector) | |
| } | |
| } else { | |
| print("method not found") | |
| } | |
| } else { | |
| print("class not found") | |
| } | |
| } | |
| } |