Flutter Sliderの太さを設定するサンプル

環境
Windows11 pro 64bit
Flutter 3.3.7

構文

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構文
SliderTheme(
data: SliderThemeData(
trackHeight: /*太さ*/,
),
構文 SliderTheme( data: SliderThemeData( trackHeight: /*太さ*/, ),
構文
SliderTheme(
  data: SliderThemeData(
    trackHeight: /*太さ*/,
  ),

SliderThemeの引数「data」にSliderThemeDataを指定します。
SliderThemeDataの引数「trackHeight」に太さを指定します。

使用例

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SliderTheme(
data: SliderThemeData(
trackHeight: 8,
),
child: Slider(
value: _value,
onChanged: (newValue) {
setState(() {
_value = newValue;
});
},
),
),
SliderTheme( data: SliderThemeData( trackHeight: 8, ), child: Slider( value: _value, onChanged: (newValue) { setState(() { _value = newValue; }); }, ), ),
SliderTheme(
  data: SliderThemeData(
    trackHeight: 8,
  ),
  child: Slider(
    value: _value,
    onChanged: (newValue) {
      setState(() {
        _value = newValue;
      });
    },
  ),
),

 

Flutter

Posted by arkgame