When you need pixel-perfect control over your UI, Flutter’s CustomPainter opens the door to beautiful and creative layouts. In this post, I'll show you how I built a circular data grid using CustomPainter, with color-coded values and a dynamic legend. Use cases for this kind of visualization include: 1.Budget/performance heatmaps 2.Status indicators 3.Visual goal tracking Let’s jump in!

Apr 9, 2025 - 10:54
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When you need pixel-perfect control over your UI, Flutter’s CustomPainter opens the door to beautiful and creative layouts. In this post, I'll show you how I built a circular data grid using CustomPainter, with color-coded values and a dynamic legend.
Use cases for this kind of visualization include:

1.Budget/performance heatmaps
2.Status indicators
3.Visual goal tracking

Let’s jump in!