imaNNeo/fl_chart

Synchronize the color of the line connected to the spot and the chart line.

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#899 opened on Feb 11, 2022

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Line Chartgood first issue

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Description

I've matched the colors of the chart like this, and I succeeded in synchronizing the colors of the chart line and bottom area, but how do I synchronize the colors of the Spot and the lines connected from Spot to the X-axis? Also, How do I change the color of the value shown in the Tooltip when I click Spot?

Contributor guide

Research direction
Check the fl chart documentation for FlSpot and LineChartBarData customization. The spot color is controlled by the `showingTooltipIndicators` or by setting `dotData` in `LineChartBarData`. Tooltip value color can be changed via `LineTouchData`'s `tooltipBgColor` or by customizing the tooltip builder. Implement custom colors by overriding the default appearance.
Tech stack
dart
Domain
frontend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
None
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60