GetBarTooltipItem typedef

GetBarTooltipItem = BarTooltipItem? Function(BarChartGroupData group, int groupIndex, BarChartRodData rod, int rodIndex)

Provides a BarTooltipItem for showing content inside the BarTouchTooltipData.

You can override BarTouchTooltipData.getTooltipItem, it gives you group, groupIndex, rod, and rodIndex that touch happened on, then you should and pass your custom BarTooltipItem to show inside the tooltip popup.

Implementation

typedef GetBarTooltipItem = BarTooltipItem? Function(
  BarChartGroupData group,
  int groupIndex,
  BarChartRodData rod,
  int rodIndex,
);