voiceOver focuses on wrong block when placing block

[lucyrubin]

Sometimes focus goes in the middle of the program instead of the start of the program.

Likely because of setting: collectionView.remembersLastFocusedIndexPath = true

We only want that property to be true right after placing a block, not while placing block

[lucyrubin]

helpful way to force focus: UIAccessibility.post(notification: .screenChanged, argument: self.blocksProgram)

[lucyrubin]

This isn't the greatest solution, but it could be helpful. Add these code lines to the bottom of the addBlocks() method in BlocksViewController to focus voiceover on a block after placing it instead of focusing on the toolbox:

DispatchQueue.main.asyncAfter(deadline: .now() + 0.1, execute: {
           
            if indexPath != nil {
               
                if let cell = self.blocksProgram.cellForItem(at: indexPath!) {
           
                    UIAccessibility.post(
                        notification: UIAccessibility.Notification.layoutChanged,
                        argument: cell
                    )
                }
            }
        })