adding image to a button in other View

问题

In my app i have two view controllers and have table view in both.Both table view have certain button showing certain images .Now i am trying to set a new image to a button in view B through view A using UIPopOverController.for this i created an object of class B and then done like this.

[ObjB.button setImage:[UIImage imageNamed:@"1.png" forstate:UIControlStateNormal];

but i am not able to get the new image on the button.What could be the possible reason.Please help.Any help will be appreciated.

Thanks, Christy

回答1:

when you are going from popovercontroller to View B retain the B controllers object.

来源：https://stackoverflow.com/questions/6329724/adding-image-to-a-button-in-other-view