Display tooltip when pressing a point in a line containing multiple points that all have the same x value.
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- Dominant language
- Dart
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Description
** Don't make a duplicate issue.
It does not appear to a similar issue for this (if there is, i apologise).
Thank you for a great package!
After many tries there does not seem to be a way to display a tooltip when pressing a singular point in a line that has multiple points that all have the same x value in a graph.

Am i missing something. The touchCallback function always returns the lowest point on the line when clicking other points.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the chart interaction described around the touchCallback with multiple line points sharing the same x value. Trace how the callback selects a point and verify that pressing each visible point displays its corresponding tooltip rather than always selecting the lowest point.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- dart, flutter
- Domain
- data-visualization, mobile-dev
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100