I have a background which is also a UIView, on which has 3 UIViews as its subviews.
I added a UIPanGestureRecognizer to each of them, hoping when the user drags a view to the left, the corresponding UIView expands horizontally.
Heres my code:
func labelPanned(sender:UIPanGestureRecognizer!){
self.labelBeingMoved = sender.view.tag
if(sender.state == UIGestureRecognizerState.Began || sender.state == UIGestureRecognizerState.Changed){
var translation:CGPoint = sender.translationInView(self.background)
self.labelCurrWidth += translation.x
NSLog("self.labelCurrWidth is now %f", self.labelCurrWidth)
if(self.labelCurrWidth <= self.labelOriginalWidth || self.labelCurrWidth >= self.labelMaxWidth){self.labelCurrWidth -= translation.x}
sender.setTranslation(CGPointZero, inView: self.background)
dispatch_async(dispatch_get_main_queue(), {
self.background.setNeedsLayout()
})
}
}
And in the layoutSubviews() call I have:
func layoutSubviews(){
NSLog("layoutSubviews called")
switch self.labelBeingMoved{
case 1:
NSLog("CASE 1")
self.labelbg.frame = CGRectMake(self.labelbg.frame.origin.x, self.labelbg.frame.origin.y, self.labelCurrWidth, self.labelbg.frame.height)
case 2:
NSLog("CASE 2")
self.label1bg.frame = CGRectMake(self.label1bg.frame.origin.x, self.label1bg.frame.origin.y, self.labelCurrWidth, self.label1bg.frame.height)
case 3:
NSLog("CASE 3")
self.label2bg.frame = CGRectMake(self.label2bg.frame.origin.x, self.label2bg.frame.origin.y, self.labelCurrWidth, self.label2bg.frame.height)
default:
NSLog("An unknown error occurred")
}
}
Pretty simple, but it somehow doesn't work and I couldn't figure out whats wrong. I've also tried self.view.setNeedsLayout() but no luck either.
*The labelbg's are UIViews, not UILabels.
Thanks in advance!
