Swift UIAlertController、UISegmentedControl

// MARK: 提示框

func _initAlertView() {

let btn = UIButton(type: UIButtonType.ContactAdd)

btn.frame = CGRect(x: 100, y: 150, width: 50, height: 50)

btn.addTarget(self, action: "showAlert", forControlEvents: UIControlEvents.TouchUpInside)

self.view.addSubview(btn)

}

func showAlert() {

//        let alertView = UIAlertView(title: "警告", message: "密码错误", delegate: self, cancelButtonTitle: "取消", otherButtonTitles: "确定")

////        let alertView = UIAlertView(title: "警告", message: "密码错误", delegate: self, cancelButtonTitle: "取消")

//

//        //设置alertView的样式

//        alertView.alertViewStyle = UIAlertViewStyle.LoginAndPasswordInput

//        alertView.show()

let alertCtrl = UIAlertController(title: "温馨提示", message: "输入账号和密码", preferredStyle: UIAlertControllerStyle.Alert)

alertCtrl.addTextFieldWithConfigurationHandler { (textField) -> Void in

textField.placeholder = "输入账号"

}

alertCtrl.addTextFieldWithConfigurationHandler { (textField) -> Void in

textField.placeholder = "输入密码"

textField.secureTextEntry = true

}

let sureAction = UIAlertAction(title: "确定", style: UIAlertActionStyle.Destructive) { (alertAction) -> Void in

let tfs: [UITextField] = alertCtrl.textFields!

let tf1: UITextField = tfs[0]

let tf2: UITextField = tfs[1]

print("确定:\(alertAction.title)")

print(tf1.text)

print(tf2.text)

}

let cancelAction = UIAlertAction(title: "取消", style: UIAlertActionStyle.Destructive) { (alertAction) -> Void in

print("取消:\(alertAction.title)")

}

alertCtrl.addAction(sureAction)

alertCtrl.addAction(cancelAction)

self.presentViewController(alertCtrl, animated: true, completion: nil)

}

// MARK: 提示界面

func _initActionSheet() {

let btn = UIButton(type: UIButtonType.InfoDark)

btn.frame = CGRect(x: 200, y: 150, width: 50, height: 50)

btn.addTarget(self, action: "showActionSheet", forControlEvents: UIControlEvents.TouchUpInside)

self.view.addSubview(btn)

}

func showActionSheet() {

//        let actionSheet = UIActionSheet(title: "提示", delegate: self, cancelButtonTitle: "取消", destructiveButtonTitle: "确定", otherButtonTitles: "按钮1", "按钮2")

//        actionSheet.showInView(self.view)

let alertCtrl = UIAlertController(title: "提示", message: "重点提示Message", preferredStyle: UIAlertControllerStyle.ActionSheet)

let sureAction = UIAlertAction(title: "确定", style: UIAlertActionStyle.Default) { (alertAction) -> Void in

print("确定:\(alertAction.title)")

}

let cancelAction = UIAlertAction(title: "取消", style: UIAlertActionStyle.Cancel) { (alertAction) -> Void in

print("取消:\(alertAction.title)")

}

alertCtrl.addAction(sureAction)

alertCtrl.addAction(cancelAction)

self.presentViewController(alertCtrl, animated: true, completion: nil)

}

// MARK: UISegmentedControl 两种创建方式都实用

func _initsegmentControl() {

// 1.0 设置按钮的标题数组

let array: [String] = ["选择","搜索","工具"]

// 1.1 创建分段控件

let segmentCtrl = UISegmentedControl(items: array)

segmentCtrl.frame = CGRect(x: 100, y: 100, width: 150, height: 25)

// 1.2 设置默认选中按钮

segmentCtrl.selectedSegmentIndex = 0

segmentCtrl.addTarget(self, action: "segmentAction:", forControlEvents: UIControlEvents.ValueChanged)

self.view.addSubview(segmentCtrl)

// 2.0 设置按钮的标题数组

let arrayString:[String] = ["11","22","33"];

// 2.1 创建分段控件

let segmentContrl = UISegmentedControl(items: arrayString)

segmentContrl.frame = CGRectMake(100, 200, 200, 50)

// 2.2 设置默认选中按钮

segmentContrl.selectedSegmentIndex = 2

segmentContrl.addTarget(self, action: "segmentAction:", forControlEvents: UIControlEvents.ValueChanged)

self.view.addSubview(segmentContrl)

}

func segmentAction(segment: UISegmentedControl) {

print(segment.selectedSegmentIndex)

switch segment.selectedSegmentIndex{

case 0:

print("选择")

case 1:

print("搜索")

case 2:

print("工具")

default: break

}

}