How do I add a CGPoint to NSMutableArray?

Question

I want to store my CGPoint to the NSMutable Array, so , I have method like this:

[self.points addObject:CGPointMake(x, y)];

But I got the error

Answer 1

Swift 3.x
// Convert CGPoint to NSValue

let cgPoint = CGPoint(x: 101.4, y: 101.0)
let nsValue = NSValue(cgPoint: cgPoint)
var array = NSArray(object: nsValue)

// Restore it again

var cgPoint : CGPoint!
for i in array {
  cgPoint = i as? CGPoint
}