Created
August 24, 2022 01:14
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Change UIAction state without dismissing menu in iOS 16
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| //Bit of a crude example but it all works | |
| var menu: UIMenu! | |
| var selected = false | |
| let toggleSelectionHandler: (UIAction) -> Void = { action in | |
| selected.toggle() | |
| // Actions are immutable once they're a child of a UIMenu, so we must create a copy before we modify anything | |
| let replacementAction = action.copy() as! UIAction | |
| if selected { | |
| replacementAction.state = .on | |
| } else { | |
| replacementAction.state = .off | |
| } | |
| button.menu = menu.replacingChildren([replacementAction]) | |
| } | |
| let toggleSelection = UIAction(title: "Toggle", image: UIImage(systemName: "circle"), attributes: .keepsMenuPresented, handler: toggleSelectionHandler) | |
| menu = UIMenu(title: "Test", children: [toggleSelection]) | |
| //I have a button I'm assigning this to, but you an use the menu however you like | |
| button.menu = menu | |
| button.showsMenuAsPrimaryAction = true |
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