TVML - how to modify formTemplate to show “pin entry”

问题

TVML's formTemplate can easily be adapted to only allow numeric input:

<formTemplate>
  <textField keyboardType="numberPad">0000</textField>
  <footer>
    <button>
      <text>${TEXT("Submit")}</text>
    </button>
  </footer>
</formTemplate>

This gives a page like...

I would like to reduce it even further to only display a "pin entry" screen as shown here:

Is this possible with TVML, without hosting an own UIControl? I have nowhere found any mentioning of changing styles like this. Any idea how to achieve this? Thanks!

回答1:

Use secure attribute in textField

https://developer.apple.com/library/tvos/documentation/LanguagesUtilities/Conceptual/ATV_Template_Guide/TVJSAttributes.html#//apple_ref/doc/uid/TP40015064-CH42-SW37

  <textField keyboardType="numberPad" secure="true">0000</textField>

来源：https://stackoverflow.com/questions/34434312/tvml-how-to-modify-formtemplate-to-show-pin-entry