List with useVirtualLayout = 'true' strange problem

Hello!

I have a strange problem. I use a custom in a TileLayout list itemRenderer to display images.

Each element has a vote button to vote a picture.

The list is not visible at the first and very small in height.

If the currently logged-on user has already voted, the button is disabled.

To do this in the creationComplete of the itemRenderer Component Manager, I run a function located in the parentApplication:

var checkVote:Boolean = parentApplication.checkVoteStatus (data.pictureID);

This method executes a loop in an array of the user images ID voted (which is filled when the application is launched) and returns true if it finds that ID in the voted items IDs and false otherwise.

The strange part is that if I use useVirtualLayout = "true" it messes up the buttons in the second row of points. The first line is correct.

I added Alert.show in the itemRenderer component to check if the assessment of the ID is true or false, and off the 6 test in the list, only 4 images has obtained, and these 4 were on the first line. The other 2 were on the second line and they trigger only when the list because only visible and higher.

So... what's up?

If you use virtual layout renderers are recycled so creationComplete is

not recommended.  Maybe try the dataChange event.

Tags: Flex

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