I am currently having difficulty with AutoLayout. I am using interface builder and am trying to position two buttons of equal width side by side as illustrated in the follow
My solution is to
Note: See the Screenshot.
You can check my example - you can easy aim this, by using proportional constraint. Also you can easy aim proportional multiple UIViews. Please look attached example
https://dl.dropboxusercontent.com/u/48223929/TestViewController.xib
Stack layout in iOS9, will do the job really nice. Add stack view to your view and configure as follow:
Add the following constraints
Follow Steps and Screenshots for easy solution
OUTPUT
Hope it Helps you :)