activity_heatmap 0.1.0

A highly customizable activity heatmap widget for Flutter, rendered with a single CustomPainter for performance across multiple years of data.

0.1.0 - 2026-04-21

Initial release.

• ActivityHeatmap widget rendering one cell per day across a date range, painted with a single CustomPainter for multi-year performance.
• Horizontal (GitHub-style) and vertical layouts via HeatmapAxis.
• Scroll (HeatmapFit.scroll) and shrink-to-fit (HeatmapFit.shrinkToFit) sizing modes.
• Configurable week start (firstDayOfWeek), cell size, spacing, corner radius, empty colour, and bucket palette.
• HeatmapStyle with copyWith, value equality, and a GitHub-inspired default palette.
• HeatmapBucket threshold-to-colour mapping; cells resolve to the highest matching bucket.
• HeatmapLegend widget that shares HeatmapStyle with the main heatmap.
• Cell-tap callback (HeatmapCellTapCallback) returning the tapped date and value (or null for "no data").
• Localisable weekday and month labels.
• Right-to-left support (axis mirrors under TextDirection.rtl).