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The Xamarin.Android Sunburst Chart, also known as radial treemap is a data visualization component that visualizes hierarchical data using a concentric circle layout. The innermost circle represents the root level of the hierarchy. Its rich feature set includes functionalities like data binding, legends, animations, data labels, selection, tooltips, and drill-down.

Sunburst levels

Sunburst charts allow you to add more than one hierarchical data level in a levels collection.

Hierarchical level support in sunburst chart

Hierarchical levels

Sunburst charts visualize the levels for a hierarchical data collection that contain tree-structured data.

Customizing sunburst chart using radius


The inner and outer radii of a sunburst chart can be customized.

Angle customization in sunburst chart

Angle customization

The start and end angles of a sunburst chart can be customized to any direction to improve readability.

Data labels

Sunburst segments can be easily annotated with labels to help improve the readability of data.

Customizing data labels in sunburst chart

Label customization

The look and feel of the default labels can be customized using the font style, size, and color properties.

Label overflow mode in sunburst chart

Label overflow

Handle data overlapping or overflowing out of segments using label trimming or hiding functionalities.

Display mode in sunburst chart

Display mode

Display the data labels in either a normal or rotation direction to enhance readability.


Interactively select and highlight a segment. This is widely used to navigate to another page with the information of a selected segment or to update the information about a selected segment in the same page.

Highlight sunburst chart segments with color

Highlight by color

Segments can be selected or highlighted with color to bring them to the center of attention over the other segments.

Highlight sunburst chart segments with opacity

Highlight by opacity

Segments can be selected or highlighted by reducing the transparency (opacity) of other segments to bring the selection to the center of attention.

Highlight sunburst chart segments with stroke

Highlight by stroke

Segments can be selected or highlighted by strokes to bring them to the center of attention over the other segments.

Different selection types in sunburst chart

Selection type

Segments can be selected or highlighted by color to bring them to the center of attention over the other segments. The sunburst chart control provides an option to highlight a segment as a group of entire node segments, the parent node of the selected segment, the child node of the selected segment, or the selected segment alone.

Customizing selected color and stroke in sunburst chart


Selected colors and strokes can be customized.


Legends are used to provide valuable information for sunburst segments with various colors, shapes, or other identifiers.

Different legend icon types in sunburst chart

Icon type

The type of legend icon can be changed to built-in shapes such as circles, rectangles, crosses, diamonds, triangles, or pentagons to improve the readability of the chart.

Customizing legend icons and labels in sunburst chart


The positioning of the legend can be customized to anywhere in the chart area and the default legend label font and icon can customized.


The tooltip control displays a pop-up with additional information when the mouse pointer is touching a data point. The tooltip view can be customized with a data template.

Tooltip support in sunburst chart


The sunburst chart control provides a drill-down option with animations for visualizing large sets of data in a minimal data view.

Drill-down support in sunburst chart


  • Xamarin.Forms
  • Xamarin.Android
  • Xamarin.iOS

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