hideWhen()
The opposite of showWhen(): hides an item while a checkbox is ticked, or while an option is chosen. So it shows while the checkbox is not ticked, or while any other option is chosen.
「DialogComponent」タグのついた4記事
全てのタグを見るsetHelp()
Adds a small line of help under an item. Every dialog item has it.
setRequired()
Chooses whether OK waits for an answer to this question. It is on NumberInput, Slider, TapPicker, TapListPicker and GestureRecorder.
showWhen()
Shows a question, text or container only while a checkbox is ticked, or while an option is chosen. Every dialog item has it.