Top "Target-action" questions

Target-action is a design pattern from Apple in which an object holds the information necessary to send a message to another object when an event occurs.

How to add event to UICollectionView cells?

I want to handle tapping UICollectionView cells. Tried to achieve this by using the following code: -(UICollectionViewCell *)collectionView:(UICollectionView *)…

objective-c cocoa-touch uicollectionview target-action
How can I send a "UIControlEventValueChanged" event from my custom control?

I've created a custom picker view type of control by subclassing UIView. I would like to be able to send …

ios objective-c uicontrolevents target-action