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web/charts: Migrate to null safety (#921)

This commit is contained in:
Brett Morgan
2021-10-08 16:39:37 +11:00
committed by GitHub
parent d14e79b833
commit 8932e60976
106 changed files with 355 additions and 346 deletions

View File

@@ -22,10 +22,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
/// Example of a Spark Bar by hiding both axis, reducing the chart margins.
class SparkBar extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const SparkBar(this.seriesList, {this.animate, Key key}) : super(key: key);
const SparkBar(this.seriesList, {this.animate, Key? key}) : super(key: key);
factory SparkBar.withSampleData() {
return SparkBar(