When toggles is set on a paper-icon-button, IronButtonStateImpl._tapHandler executes twice. I suspect that may be because paper-icon-button includes both PaperButton and PaperRadioButton behaviors? (Commenting out PaperButtonBehavior seems to fix the problem).
When toggles is set on a paper-icon-button, IronButtonStateImpl._tapHandler executes twice. I suspect that may be because paper-icon-button includes both PaperButton and PaperRadioButton behaviors? (Commenting out PaperButtonBehavior seems to fix the problem).