imaNNeo/fl_chart

View on GitHub

FL Chart is a highly customizable Flutter chart library that supports Line Chart, Bar Chart, Pie Chart, Scatter Chart, Radar Chart and Candlestick Chart.

Stars: 7.6k
Forks: 2k
Open beginner issues: 0
Indexed issues: 375
Avg merge: 9d 1h
Merged PRs (30d): 2

Dominant language: Dart
License: MIT
Last GitHub push: Sep 17, 2026
Latest indexed: Sep 17, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

372 open issues indexed

Line Chart Late Initialization Error with All-Null Bar Data Open

Difficulty 3/5 1-2 days Newbie friendliness 74/100

imaNNeo/fl_chart#2115 · 1 comment · Opened Jul 30, 2026
Bug: BarChart touchedStackItemIndex always -1 for downward (negative) rod stack items Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

imaNNeo/fl_chart#2104 · Opened May 26, 2026
Get Nearest Touched Spot Slow for Large Datasets Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

imaNNeo/fl_chart#2100 · Opened May 15, 2026
Gauege chart added to fl_chart example but it seams it does not release in 1.2.0 version Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

imaNNeo/fl_chart#2097 · 2 comments · 1 reaction · Opened May 9, 2026
groupsSpace property ignored when rotationQuarterTurns is set to 1 in BarChart Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

imaNNeo/fl_chart#2095 · Opened Apr 27, 2026
[Feature Request]: PieChart with exploding sections Open

enhancement Pie Chart

Difficulty 4/5 3-5 days Newbie friendliness 55/100

imaNNeo/fl_chart#2091 · 1 comment · Opened Apr 22, 2026
Pie/Ring Chart Glitch: Flicker in Bottom-Left When Using Rounded Corners + Section Spacing with >50% Segment Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

imaNNeo/fl_chart#2090 · Opened Apr 21, 2026
[Feature Request]: Pattern for better accessibility in PieChart Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

imaNNeo/fl_chart#2082 · 1 comment · Opened Apr 16, 2026
Line chart y-axis title overlap Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

imaNNeo/fl_chart#2061 · 2 comments · Opened Mar 12, 2026
[Feature Request] Allow controlling borders on each side of pie chart sections independently Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

imaNNeo/fl_chart#2052 · Opened Feb 4, 2026
[Feature Request] Add FlDotImagePainter to support custom image dot markers Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

imaNNeo/fl_chart#2050 · 4 reactions · Opened Jan 25, 2026
how to solve error translateByDouble Open

Waiting for response

Difficulty 3/5 1-2 days Newbie friendliness 35/100

imaNNeo/fl_chart#2046 · 1 comment · Opened Dec 26, 2025
V1.1.1 Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

imaNNeo/fl_chart#2045 · 1 comment · Opened Dec 26, 2025
How can I make the LineTooltipItem always appear above the Spot Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

imaNNeo/fl_chart#2044 · Opened Dec 21, 2025
disable touch event other than point or node in line graph Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

imaNNeo/fl_chart#2042 · Opened Dec 15, 2025
show sideTitles without reservedSize over/inside the chart Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

imaNNeo/fl_chart#2033 · 1 comment · Opened Nov 15, 2025
When using LineChart with implicit animations (duration and curve parameters) Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

imaNNeo/fl_chart#2030 · 2 comments · Opened Nov 6, 2025
Feature Request - Draggable Points Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

imaNNeo/fl_chart#2027 · Opened Nov 1, 2025
Add showOnTopOfTheChartBoxArea for BarTouchTooltipData Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

imaNNeo/fl_chart#2026 · 1 reaction · Opened Oct 31, 2025
Feature Request: Add border radius and padding support to FlBorderData Open

enhancement Fundamental

Difficulty 4/5 3-5 days Newbie friendliness 42/100

imaNNeo/fl_chart#2022 · 1 comment · 1 reaction · Opened Oct 23, 2025
Feature Request: Custom Widgets at Chart Corners in fl_chart Open

enhancement Fundamental

Difficulty 4/5 3-5 days Newbie friendliness 35/100

imaNNeo/fl_chart#2021 · Opened Oct 23, 2025
Feature request: Hatched lines in the bar chart Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

imaNNeo/fl_chart#2008 · Opened Sep 25, 2025
How to set the maximum value for Radar Chart in FL Chart Open

enhancement Radar Chart

Difficulty 3/5 1-2 days Newbie friendliness 30/100

imaNNeo/fl_chart#2002 · 2 comments · Opened Sep 22, 2025
RTL support for line chart Open

enhancement Line Chart

Difficulty 4/5 3-5 days Newbie friendliness 30/100

imaNNeo/fl_chart#2001 · 1 comment · 2 reactions · Opened Sep 18, 2025
Feature Request: Add Trade Signal Support for Candlestick Charts Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

imaNNeo/fl_chart#1995 · Opened Sep 12, 2025
FlGridData control length of vertical and horizontal lines Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

imaNNeo/fl_chart#1992 · Opened Sep 9, 2025
Sankey Chart Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

imaNNeo/fl_chart#1991 · 2 reactions · Opened Sep 8, 2025
error in using latest 1.1.0: vector_math error Open

enhancement Fundamental

Difficulty 3/5 1-2 days Newbie friendliness 35/100

imaNNeo/fl_chart#1985 · 14 comments · 16 reactions · Opened Sep 1, 2025
how create column chart and radial gauges with shadows Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

imaNNeo/fl_chart#1982 · Opened Aug 30, 2025
iOS 12.5.7 cannot draw line gradient color Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

imaNNeo/fl_chart#1970 · Opened Aug 15, 2025
Could you please tell me how to achieve this effect? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

imaNNeo/fl_chart#1965 · 5 comments · Opened Jul 31, 2025
Axis labels stop being rendered after certain reservedSize threshold, even if there is still enough vertical space Open

bug Fundamental

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

imaNNeo/fl_chart#1963 · 6 comments · 2 reactions · Opened Jul 29, 2025
BarChart: Is there a possibility to "shrinkWrap" the chart? Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

imaNNeo/fl_chart#1961 · 1 comment · Opened Jul 21, 2025
Apply pattern to BarChart Open

Bar Chart enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

imaNNeo/fl_chart#1957 · Opened Jul 15, 2025
BarChart is not have boundary fit, is have in line chart for clipData. Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

imaNNeo/fl_chart#1956 · Opened Jul 11, 2025
[LineChart] Want indicator (showingIndicators) to update without rebuilding LineChartBarData every touch Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

imaNNeo/fl_chart#1955 · 1 reaction · Opened Jul 10, 2025
Feature Request: Add gradient support to FlDotPainter for custom dot rendering Open

enhancement Line Chart

Difficulty 4/5 3-5 days Newbie friendliness 35/100

imaNNeo/fl_chart#1954 · Opened Jul 9, 2025
How to get rid of the extra spacing at the chart's left/ride side? Open

Bar Chart enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

imaNNeo/fl_chart#1952 · 2 comments · 1 reaction · Opened Jul 2, 2025
More complex charts examples Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

imaNNeo/fl_chart#1951 · 3 reactions · Opened Jun 30, 2025
Implement a prompt box similar to a dialog box Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

imaNNeo/fl_chart#1950 · 1 reaction · Opened Jun 27, 2025
Touch line goes through the highest point Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

imaNNeo/fl_chart#1945 · Opened Jun 18, 2025
Line chart range annotation paint out of chart since 0.69.0 Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

imaNNeo/fl_chart#1944 · 1 reaction · Opened Jun 17, 2025
Feature Request: dynamic fitInsideVertically property for LineTouchTooltipData Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

imaNNeo/fl_chart#1943 · Opened Jun 17, 2025
Bug: BarChartRodData with rodStackItems shows fallback color padding for small values Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

imaNNeo/fl_chart#1941 · 1 comment · Opened Jun 13, 2025
Missing events in touchCallback for pan and zoom Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

imaNNeo/fl_chart#1940 · Opened Jun 9, 2025
Crash/Freeze with `FlGridData.drawVerticalLine = true` and Time-Based `horizontalInterval` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

imaNNeo/fl_chart#1939 · 1 comment · Opened Jun 5, 2025
Memory bloat/leak when using zoom multiple times on LineChart and as a consequence app freeze Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

imaNNeo/fl_chart#1937 · 6 comments · 1 reaction · Opened May 29, 2025
Vertical line (extraLinesData) in Barchart Open

Difficulty 3/5 1-2 days Newbie friendliness 64/100

imaNNeo/fl_chart#1936 · 1 comment · 4 reactions · Opened May 28, 2025
VerticalLine not working in BarChart() extraLines using example #4 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

imaNNeo/fl_chart#1935 · 2 comments · Opened May 20, 2025
How can I make LineChart show the rightmost side of the x-axis at the beginning? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

imaNNeo/fl_chart#1934 · 3 comments · Opened May 19, 2025

imaNNeo/fl_chart

Get new issues in your inbox