iOS中键盘操作

var rowIndex = 0;

@IBOutlet var label1: UILabel!

@IBOutlet var segmentedControl: UISegmentedControl!

@IBOutlet var textfield1: UITextField!

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

label1.text = "Row Index \(rowIndex)"
}

@IBAction func sengmentedAdd(sender: AnyObject) {
segmentedControl.insertSegmentWithTitle(textfield1.text, atIndex: segmentedControl.numberOfSegments, animated: true)

}

@IBAction func sengmentedRemove(sender: AnyObject) {
segmentedControl.removeSegmentAtIndex(segmentedControl.selectedSegmentIndex, animated: true)

}

@IBAction func didEndOnExit(sender: AnyObject) {
sender.resignFirstResponder()
}

@IBAction func controlTouchDown(sender: AnyObject) {
textfield1.resignFirstResponder()
}

@IBAction func segmentValueChange(sender: AnyObject) {
var index:Int = segmentedControl.selectedSegmentIndex
switch(index){
case 0:
self.view.backgroundColor = UIColor.blackColor();
case 1:
self.view.backgroundColor = UIColor.whiteColor();
case 2:
self.view.backgroundColor = UIColor.greenColor();
case 3:
self.view.backgroundColor = UIColor.yellowColor();
default:
NSLog("hahaha")

}

}

override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}