How to show square on digit in flutter-CodePudding

How to show square on any digit in flutter UI like above example?

CodePudding user response：

Just use the Unicode character \u00b2 which is superscript 2.

'18.5 kg/m\u00b2 - 25 kg/m\u00b2'

CodePudding user response：

No native way to do this I think.But you can refer latex-related package like

CodePudding user response：

you can reach the superscript letters like this with FontFeatures:

Text(
  'The isotope 238U decays to 206Pb',
  style: TextStyle(
    fontFamily: 'Sorts Mill Goudy',
    fontFeatures: <FontFeature>[
      FontFeature.superscripts(),
    ],
  ),
),

in this case, we used the superscripts() which will show the letters as a superscript.

read about it more in the official docs