Set insets of programmatically created UITextView - swift

Question

I've created a UITextView programmatically, but unfortunately it doesn't behave the way a textview does when you drag it from the attributes inspector to the Main.storyboard.
For example: the text in my programmatically created textview doesn't "break line" at the right side of the textview frame.
Although the documentation mentions textContainerInsets, I can't seem to get it to work. (Xcode doesn't recognise the attribute)
class ViewController: UIViewController, UIScrollViewDelegate {
let scrollView = UIScrollView(frame: UIScreen.mainScreen().bounds)
var textView:UITextView!
override func viewDidLoad() {
super.viewDidLoad()
self.view = self.scrollView
let screenSize: CGRect = UIScreen.mainScreen().bounds
let screenWidth = screenSize.width;
let screenHeight = screenSize.height;
//Create textview
let textView : UITextField = UITextField(frame : CGRect(x:10, y:(screenHeight/2), width: (screenWidth-20), height: (screenHeight/3) ))
textView.backgroundColor = UIColor( red: 0.9, green: 0.9, blue:0.9, alpha: 1.0 )
textView.placeholder = NSLocalizedString("Start typing...", comment: "")
textView.borderStyle = UITextBorderStyle.Line;
// textView.autocorrectionType = .Yes
self.view.addSubview( textView )
}
Is there any way to make the text inside my textview act like normal? multi line instead of one line?

Answer 1

You're creating a UITextField in your code, not a UITextView.
This:
let textView : UITextField = UITextField(frame : CGRect(x:10, y:(screenHeight/2), width:(screenWidth-20), height: (screenHeight/3) ))
Should be:
let textView : UITextView = UITextView(frame : CGRect(x:10, y:(screenHeight/2), width: (screenWidth-20), height: (screenHeight/3) ))
You also seem to have declared textView as a property in your class, so your probably don't want the let in there:
textView = UITextView(frame : CGRect(x:10, y:(screenHeight/2), width: (screenWidth-20), height: (screenHeight/3) ))

Answer 2

Here's how I would implement your UITextView programatically -
override func viewDidLoad() {
super.viewDidLoad();
self.view.translatesAutoresizingMaskIntoConstraints = false;
let screenSize: CGRect = UIScreen.mainScreen().bounds;
let screenWidth = screenSize.width;
let screenHeight = screenSize.height;
//Create textview
let textView : UITextView = UITextView(frame : CGRect(x: 10,
y: (screenHeight/2),
width: (screenWidth-20),
height: (screenHeight/3)));
textView.backgroundColor = UIColor( red: 0.9, green: 0.9, blue:0.9, alpha: 1.0 );
textView.text = NSLocalizedString("Start typing... maybe...", comment: "");
//textView.borderStyle: border's are not supported by the UITextView
self.view.addSubview(textView);
return;
}