我正在创建一个可达性警报,我在Swift中编写并正在被最初写入目标C的应用程序中调用。我已正确设置了所有的桥接头-h。当我点击一个在Swift中创建的UIButton和一个也是用swift编写的IBAction时,问题就在发生。下面是错误和代码。有没有办法来防止这次崩溃?目标C中Swift UIButton和IBAction崩溃
终止应用程序由于未捕获的异常 'NSInvalidArgumentException',原因是: ' - [NSNotificationQueue buttonTapped:]:无法识别的选择发送到实例0x7ae602d0'
// NetworkErrorView.swift
import Foundation
import UIKit
@objc class NetworkErrorView: NSObject {
var xCoordinate:CGFloat = 0
var yCoordinate: CGFloat = 0
var width: CGFloat = 0
var height: CGFloat = 0
var reTryButton = UIButton()
func renderAlertView() -> UIView {
let alert = UIAlertView()
alert.title = "Connection Failed"
alert.message = "Your device is not connected to the Internet. Please try again later."
alert.addButtonWithTitle("OK")
alert.show()
return alert
}
func renderReTryButton() -> UIView {
var buttonImage = UIImage(named: "[email protected]")
reTryButton.addTarget(self, action: Selector("buttonTapped:"), forControlEvents: UIControlEvents.TouchUpInside)
reTryButton.setBackgroundImage(buttonImage, forState: UIControlState.Normal)
reTryButton.frame = CGRect(x: 18, y: 470, width: 290, height: 30)
println("stopes here")
return reTryButton
}
@IBAction func buttonTapped (sender: AnyObject!) {
let alertView = UIAlertView()
alertView.title = "Connection Failed"
alertView.message = "Your device is not connected to the Internet. Please try again later."
alertView.addButtonWithTitle("OK")
alertView.show()
}
func render() -> UIView {
var networkErrorView = UIView()
let screenSize: CGRect = UIScreen.mainScreen().bounds
let screenWidth = screenSize.width;
let screenHeight = screenSize.height;
if screenHeight == 480 {
xCoordinate = 0
yCoordinate = 74
width = 320
height = 361
var imgNoConnection = UIImage(named: "Noconnectionz.png")
networkErrorView = UIImageView(image: imgNoConnection)
}
else if screenHeight == 568 {
xCoordinate = 0
yCoordinate = 74
width = 320
height = 443
var imgNoConnection = UIImage(named: "[email protected]")
networkErrorView = UIImageView(image: imgNoConnection)
}
return networkErrorView
}
}
这里是我称之为目标C
Swift *connectivity = [[Swift alloc]init];
bool swiftConnected = [connectivity reachability];
if (!swiftConnected) {
NetworkErrorView *networkErrorView = [[NetworkErrorView alloc]init];
[networkErrorView renderAlertView];
UIView *subView = [networkErrorView render];
[super.view addSubview: subView];
[super.view addSubview:[networkErrorView renderReTryButton]];
}
}
尝试anyObject而不展开它? @IBAction func buttonTapped(sender:AnyObject) – domshyra
我试过了,我试过让它成为UIButton的发件人。 – ArmorKing1212
当我拿出这行代码:reTryButton.addTarget(self,action:Selector(“buttonTapped:”),forControlEvents:UIControlEvents.TouchUpInside)我可以单击按钮而不会崩溃,但我显然需要分配给按钮。我想知道其他人是否有这个问题。我正在使用xcode6 beta 3. – ArmorKing1212