int width=myView.getWidth() on a null object reference

iam trying to make app like what you done but i got some error
"int width=myView.getWidth()" on a null object reference. How i can fix this?

Your myView might be null

i think so..
so what i should to do?

check if the View you are passing does exist & is Right for e.g. Typo while typing IDs

ok thanks..let me try first

same problem here

Navigation Menu