title: I want to show two number picker using one dialog
body: <p>Hi this is exactly what Ive been looking for to add into my app (<a href="https://stackoverflow.com/questions/27525915/i-want-to-show-two-number-picker-using-dialog/28023002#28023002">I want to show two number picker using dialog</a>) but I'm getting an error mContext is undefined - how do i fix this? Also is there a way to do this with an xml layout? Thank you in advance (I'm pretty new to android)</p>