FusionCharts Technologies

Improvements:

• Added support for self hosted export servers in Java.
• Added Server Side Wrappers for PHP, ASP.NET, RoR.
• Added support for long labels in radar charts.
• Added support for realtime update of tooltip for realtime charts.
• Added name attribute to all html input elements PowerCharts.
• Zoomline chart now supports tooltip functionality 
• Gantt chart now supports date Separator attribute.
• Added support for display Value in Milestone of Gantt Chart
  

Fixes:

• Logo/Images can now be exported while exporting a chart (experimental).
• Captions now align with chart area in MultiAxisLine chart.
• High-low values can now be toggled using showHighLowValue in Sparkline chart.
• Crossline labels of Zoomline chart are now rendered using using anti-collision methods.
• Plot click event now returns standard arguments.
• Pointer shadow now present in Horizontal Linear gauge.
• Fixed Axis name bg-color attribute.valuePosition attribute now works for line series of Pareto charts.
• dataIndex argument is now present in slicingStart/slicingEnd event.
• Plot labels in MultiLevelPie are now aligned vertically middle.
• Value close to zero now appear in Scroll Stacked Column charts.
• Fixed tooltip updation after drilling down to child chart in Chrome (Windows)
• Removed export button in exported chart image in ASP.NET export server
• In Angular Gauge, macros $chartCenterY, $gaugeCenterY now return correct values.
• exportCallBack now works for charts exported and saved at server.
• Fixed link function call in dragnode chart, when a node is dragged.
• Legend Icon can now be configured for line chart when drawAnchors is 0.
• Fixed Pipe Line(|) display on spark line chart when high and low values are not visible.
  

Can you please provide me with a brief detail on how to use Pyramid or Gauge Chart in React Native. Like how I can implement it in my code.