sphericalkat/flutter_circular_chart
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Update README.md

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@ -38,11 +38,15 @@ Import the package:
import 'package:flutter_circular_chart/flutter_circular_chart.dart';
```
Create chart data entry objects:
Create a [GlobalKey](https://docs.flutter.io/flutter/widgets/GlobalKey-class.html) to be able to access the chart and update its data:
```
final GlobalKey<AnimatedCircularChartState> _chartKey;
```
Create chart data entry objects:
```
List<CircularStackEntry> data = <CircularStackEntry>[
new CircularStackEntry(
<CircularSegmentEntry>[
@ -55,7 +59,8 @@ List<CircularStackEntry> data = <CircularStackEntry>[
),
];
```
Create an `AnimatedCircularChart`:
Create an `AnimatedCircularChart`, passing it the `_chartKey` and initial `data`:
```
@override