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!

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!