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Migrate to null safety #35

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Migrate to null safety #35

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6 changes: 5 additions & 1 deletion CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -47,4 +47,8 @@
-
## [1.5.0] - 2020-09-16

- alignment with Flutter v1.20
- alignment with Flutter v1.20

## [1.6.0] - 2021-04-29

- Migrato to null safety. Flutter v2.0
2 changes: 1 addition & 1 deletion README.md
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Expand Up @@ -19,7 +19,7 @@ A full explanation on how to build such Widget may be found on my blog:
You should ensure that you add the following dependency in your Flutter project.
```yaml
dependencies:
flutter_range_slider: "^1.5.0"
flutter_range_slider: "^1.6.0"
```

You should then run `flutter packages upgrade` or update your packages in IntelliJ.
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22 changes: 8 additions & 14 deletions example/main.dart
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Expand Up @@ -24,19 +24,13 @@ class RangeSliderSample extends StatefulWidget {

class _RangeSliderSampleState extends State<RangeSliderSample> {
// List of RangeSliders to use, together with their parameters
List<RangeSliderData> rangeSliders;
late final List<RangeSliderData> rangeSliders = _rangeSliderDefinitions();

double _lowerValue = 20.0;
double _upperValue = 80.0;
double _lowerValueFormatter = 20.0;
double _upperValueFormatter = 20.0;

@override
void initState() {
super.initState();
rangeSliders = _rangeSliderDefinitions();
}

@override
Widget build(BuildContext context) {
return SafeArea(
Expand Down Expand Up @@ -167,7 +161,7 @@ class _RangeSliderSampleState extends State<RangeSliderSample> {
lowerValue: 25.0,
upperValue: 75.0,
divisions: 20,
overlayColor: Colors.red[100]),
overlayColor: Colors.red[100]!),
RangeSliderData(
min: 0.0,
max: 100.0,
Expand All @@ -183,7 +177,7 @@ class _RangeSliderSampleState extends State<RangeSliderSample> {
showValueIndicator: true,
valueIndicatorMaxDecimals: 0,
activeTrackColor: Colors.red,
inactiveTrackColor: Colors.red[50],
inactiveTrackColor: Colors.red[50]!,
valueIndicatorColor: Colors.green),
RangeSliderData(
min: 0.0,
Expand All @@ -210,7 +204,7 @@ class RangeSliderData {
double max;
double lowerValue;
double upperValue;
int divisions;
int? divisions;
bool showValueIndicator;
int valueIndicatorMaxDecimals;
bool forceValueIndicator;
Expand All @@ -229,10 +223,10 @@ class RangeSliderData {
static const Color defaultOverlayColor = const Color(0x290175c2);

RangeSliderData({
this.min,
this.max,
this.lowerValue,
this.upperValue,
required this.min,
required this.max,
required this.lowerValue,
required this.upperValue,
this.divisions,
this.showValueIndicator: true,
this.valueIndicatorMaxDecimals: 1,
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