Get position of UIView in respect to its superview's superview

iphone ios uiview uibutton cgrect
Shailesh picture Shailesh · Jul 10, 2013 · Viewed 86k times · Source

I have a UIView, in which I have arranged UIButtons. I want to find the positions of those UIButtons.

I am aware that buttons.frame will give me the positions, but it will give me positions only with respect to its immediate superview.

Is there is any way we can find the positions of those buttons, withe respect to UIButtons superview's superview?

For instance, suppose there is UIView named "firstView".

Then, I have another UIView, "secondView". This "SecondView" is a subview of "firstView".

Then I have UIButton as a subview on the "secondView". 

->UIViewController.view
--->FirstView A
------->SecondView B
------------>Button

Now, is there any way we can find the position of that UIButton, with respect to "firstView"?

Answer

mprivat picture mprivat · Jul 10, 2013

You can use this:

Objective-C

CGRect frame = [firstView convertRect:buttons.frame fromView:secondView];

Swift

let frame = firstView.convert(buttons.frame, from:secondView)

Documentation reference:

https://developer.apple.com/documentation/uikit/uiview/1622498-convert

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