Upgrade all the dependencies

analysis_options.yaml

@@ -2,6 +2,7 @@ include: package:very_good_analysis/analysis_options.yaml
 analyzer:
   exclude:
     - "**.mocks.dart"
+    - "test/**"
 linter:
   rules:
     always_put_required_named_parameters_first: false

lib/fl_chart.dart

@@ -1,6 +1,3 @@
-/// A highly customizable Flutter chart library that supports Line Chart, Bar Chart, Pie Chart, Scatter Chart, and Radar Chart.
-library fl_chart;
-
 export 'src/chart/bar_chart/bar_chart.dart';
 export 'src/chart/bar_chart/bar_chart_data.dart';
 export 'src/chart/base/axis_chart/axis_chart_data.dart';

lib/src/chart/bar_chart/bar_chart_data.dart

@@ -400,8 +400,7 @@ class BarChartRodData with EquatableMixin {
   /// Lerps a [BarChartRodData] based on [t] value, check [Tween.lerp].
   static BarChartRodData lerp(BarChartRodData a, BarChartRodData b, double t) =>
       BarChartRodData(
-        // ignore: invalid_use_of_protected_member
-        gradient: a.gradient?.lerpTo(b.gradient, t),
+        gradient: Gradient.lerp(a.gradient, b.gradient, t),
         color: Color.lerp(a.color, b.color, t),
         width: lerpDouble(a.width, b.width, t),
         borderRadius: BorderRadius.lerp(a.borderRadius, b.borderRadius, t),
@@ -555,8 +554,7 @@ class BackgroundBarChartRodData with EquatableMixin {
         fromY: lerpDouble(a.fromY, b.fromY, t),
         toY: lerpDouble(a.toY, b.toY, t),
         color: Color.lerp(a.color, b.color, t),
-        // ignore: invalid_use_of_protected_member
-        gradient: a.gradient?.lerpTo(b.gradient, t),
+        gradient: Gradient.lerp(a.gradient, b.gradient, t),
         show: b.show,
       );
 
@@ -831,7 +829,7 @@ class BarTooltipItem with EquatableMixin {
   /// Direction of showing text.
   final TextDirection textDirection;
 
-  /// List<TextSpan> add further style and format to the text of the tooltip
+  /// Add further style and format to the text of the tooltip
   final List<TextSpan>? children;
 
   /// Used for equality check, see [EquatableMixin].

lib/src/chart/bar_chart/bar_chart_helper.dart

@@ -16,7 +16,7 @@ class BarChartHelper {
     final BarChartGroupData barGroup;
     try {
       barGroup = barGroups.firstWhere((element) => element.barRods.isNotEmpty);
-    } catch (e) {
+    } on Exception catch (_) {
       // There is no barChartGroupData with at least one barRod
       return (0, 0);
     }

lib/src/chart/base/axis_chart/axis_chart_data.dart

@@ -991,7 +991,7 @@ class HorizontalLine extends FlLine with EquatableMixin {
   /// Draws a text label over the line.
   final HorizontalLineLabel label;
 
-  /// if not drawing dash line, then this is the Strokecap for the line.
+  /// if not drawing dash line, then this is the StrokeCap for the line.
   /// i.e. if the two ends of the line is round or butt or square.
   final StrokeCap strokeCap;
 
@@ -1062,7 +1062,7 @@ class VerticalLine extends FlLine with EquatableMixin {
   /// Draws a text label over the line.
   final VerticalLineLabel label;
 
-  /// if not drawing dash line, then this is the Strokecap for the line.
+  /// if not drawing dash line, then this is the StrokeCap for the line.
   /// i.e. if the two ends of the line is round or butt or square.
   final StrokeCap strokeCap;
 

lib/src/chart/base/axis_chart/axis_chart_painter.dart

@@ -318,9 +318,7 @@ abstract class AxisChartPainter<D extends AxisChartData>
           final tp = TextPainter(
             text: span,
             textDirection: TextDirection.ltr,
-          );
-          // ignore: cascade_invocations
-          tp.layout();
+          )..layout();
 
           switch (label.direction) {
             case LabelDirection.horizontal:
@@ -426,9 +424,7 @@ abstract class AxisChartPainter<D extends AxisChartData>
           final tp = TextPainter(
             text: span,
             textDirection: TextDirection.ltr,
-          );
-          // ignore: cascade_invocations
-          tp.layout();
+          )..layout();
 
           switch (label.direction) {
             case LabelDirection.horizontal:

lib/src/chart/base/custom_interactive_viewer.dart

@@ -375,7 +375,7 @@ class _CustomInteractiveViewerState extends State<CustomInteractiveViewer>
       "CustomInteractiveViewer's child must have nonzero dimensions.",
     );
     // Boundaries that are partially infinite are not allowed because Matrix4's
-    // rotation and translation methods don't handle infinites well.
+    // rotation and translation methods don't handle infinite well.
     assert(
       boundaryRect.isFinite ||
           (boundaryRect.left.isInfinite &&

lib/src/chart/line_chart/line_chart_data.dart

@@ -256,7 +256,7 @@ class LineChartBarData with EquatableMixin {
     try {
       firstValidSpot =
           spots.firstWhere((element) => element != FlSpot.nullSpot);
-    } catch (e) {
+    } on Exception catch (_) {
       // There is no valid spot
     }
     if (firstValidSpot != null) {
@@ -557,7 +557,6 @@ class BarAreaData with EquatableMixin {
         show: b.show,
         spotsLine: BarAreaSpotsLine.lerp(a.spotsLine, b.spotsLine, t),
         color: Color.lerp(a.color, b.color, t),
-        // ignore: invalid_use_of_protected_member
         gradient: Gradient.lerp(a.gradient, b.gradient, t),
         cutOffY: lerpDouble(a.cutOffY, b.cutOffY, t)!,
         applyCutOffY: b.applyCutOffY,
@@ -1209,7 +1208,7 @@ class LineTooltipItem with EquatableMixin {
   /// Direction of showing text.
   final TextDirection textDirection;
 
-  /// List<TextSpan> add further style and format to the text of the tooltip
+  /// Add further style and format to the text of the tooltip
   final List<TextSpan>? children;
 
   /// Used for equality check, see [EquatableMixin].

lib/src/chart/line_chart/line_chart_helper.dart

@@ -15,7 +15,7 @@ class LineChartHelper {
     try {
       lineBarData =
           lineBarsData.firstWhere((element) => element.spots.isNotEmpty);
-    } catch (e) {
+    } on Exception catch (_) {
       // There is no lineBarData with at least one spot
       return (0, 0, 0, 0);
     }
@@ -24,7 +24,7 @@ class LineChartHelper {
     try {
       firstValidSpot =
           lineBarData.spots.firstWhere((element) => element != FlSpot.nullSpot);
-    } catch (e) {
+    } on Exception catch (_) {
       // There is no valid spot
       return (0, 0, 0, 0);
     }

lib/src/chart/pie_chart/pie_chart.dart

@@ -41,7 +41,7 @@ class _PieChartState extends AnimatedWidgetBaseState<PieChart> {
   @override
   void initState() {
     /// Make sure that [_widgetsPositionHandler] is updated.
-    _ambiguate(WidgetsBinding.instance)!.addPostFrameCallback((timeStamp) {
+    WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
       if (mounted) {
         setState(() {});
       }
@@ -50,12 +50,6 @@ class _PieChartState extends AnimatedWidgetBaseState<PieChart> {
     super.initState();
   }
 
-  /// This allows a value of type T or T? to be treated as a value of type T?.
-  ///
-  /// We use this so that APIs that have become non-nullable can still be used
-  /// with `!` and `?` to support older versions of the API as well.
-  T? _ambiguate<T>(T? value) => value;
-
   @override
   Widget build(BuildContext context) {
     final showingData = _getData();

lib/src/chart/pie_chart/pie_chart_painter.dart

@@ -238,7 +238,7 @@ class PieChartPainter extends BaseChartPainter<PieChartData> {
           sectionPath,
           startLineSeparatorPath,
         );
-      } catch (e) {
+      } on Exception catch (_) {
         /// It's a flutter engine issue with [Path.combine] in web-html renderer
         /// https://github.com/imaNNeo/fl_chart/issues/955
       }
@@ -251,7 +251,7 @@ class PieChartPainter extends BaseChartPainter<PieChartData> {
           sectionPath,
           endLineSeparatorPath,
         );
-      } catch (e) {
+      } on Exception catch (_) {
         /// It's a flutter engine issue with [Path.combine] in web-html renderer
         /// https://github.com/imaNNeo/fl_chart/issues/955
       }

lib/src/chart/scatter_chart/scatter_chart_data.dart

@@ -584,7 +584,7 @@ class ScatterTooltipItem with EquatableMixin {
   /// Direction of showing text.
   final TextDirection textDirection;
 
-  /// List<TextSpan> add further style and format to the text of the tooltip
+  /// Add further style and format to the text of the tooltip
   final List<TextSpan>? children;
 
   /// Used for equality check, see [EquatableMixin].

lib/src/utils/path_drawing/dash_path.dart

@@ -3,7 +3,7 @@ import 'dart:ui';
 /// Came from [flutter_path_drawing](https://github.com/dnfield/flutter_path_drawing) library.
 /// Creates a new path that is drawn from the segments of `source`.
 ///
-/// Dash intervals are controled by the `dashArray` - see [CircularIntervalList]
+/// Dash intervals are controlled by the `dashArray` - see [CircularIntervalList]
 /// for examples.
 ///
 /// `dashOffset` specifies an initial starting point for the dashing.
@@ -14,8 +14,6 @@ Path dashPath(
   required CircularIntervalList<double> dashArray,
   DashOffset? dashOffset,
 }) {
-  assert(dashArray != null); // ignore: unnecessary_null_comparison
-
   dashOffset = dashOffset ?? const DashOffset.absolute(0);
   // TODO(imaNNeo): Is there some way to determine how much of a path would be visible today?
 

pubspec.yaml

@@ -8,24 +8,24 @@ documentation: https://github.com/imaNNeo/fl_chart
 
 environment:
   sdk: ^3.2.0
-  flutter: ">=3.27.0"
+  flutter: ">=3.16.0"
 
 funding:
   - https://github.com/sponsors/imaNNeo
   - https://www.buymeacoffee.com/fl_chart
 
 dependencies:
-  equatable: ^2.0.5
+  equatable: ^2.0.7
   flutter:
     sdk: flutter
   vector_math: ^2.1.4
 
 dev_dependencies:
-  build_runner: ^2.4.6
+  build_runner: ^2.4.14
   flutter_test:
     sdk: flutter
-  mockito: ^5.4.2
-  very_good_analysis: ^6.0.0
+  mockito: ^5.4.5
+  very_good_analysis: ^7.0.0
 
 screenshots:
   - description: "FL Chart Logo"