How to undo the actions of previous touch on UIImageView when touch it again and also how to give preview?
This is a perfect example of when to use a delegate method Essentially, a delegate method allows actions in one viewController (button clicked, view tapped, etc) to trigger the methods of another.
This is a perfect example of when to use a delegate method. Essentially, a delegate method allows actions in one viewController (button clicked, view tapped, etc) to trigger the methods of another.
Thanx :-). Can you please give me a little example how to use delegate in my above given code. Because I am new to objective-c and still confused about this delegate things.
– S. Philip Jun 4 at 16:58 @S. Philip There are lots of examples, including many in the link above.
If you would like me to write the code for you, I'm happy to do that for $90/hour. – PengOne Jun 4 at 17:15 ;-) Thanx. – S.
Philip Jun 4 at 17:26.
I want to give preview in big UIImageView, when touching one image in the scroll view ( Just like the 'Film Strip view' feature in Windows OS ). But the problem is, bigPreview UIImageView is not accessible from TapImage class as its not part of the TapImage class. Then whats the solution here?
When touching one image in the scrollView, it gets a green border (indicating as selected). Here, I want to deselect the previously touched image when we touch another image in the scrollView (means, at a time only one image gets selected and previewed ). But the problem is, when touch on it, each UIImageView calls its own touchesBegan: method.
Then how to deselect the previously touched image?
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