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Update: Add default parameters, animation dispose #14

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Update: Add default parameters, animation dispose #14

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84 changes: 48 additions & 36 deletions lib/custom_switch.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -6,23 +6,28 @@ class CustomSwitch extends StatefulWidget {
final bool value;
final ValueChanged<bool> onChanged;
final Color activeColor;
final Color inactiveColor = Colors.grey;
final String activeText = 'On';
final String inactiveText = 'Off';
final Color activeTextColor = Colors.white70;
final Color inactiveTextColor = Colors.white70;
final Color inactiveColor;
final String activeText;
final String inactiveText;
final Color activeTextColor;
final Color inactiveTextColor;

const CustomSwitch({
Key key,
this.value,
this.onChanged,
this.activeColor,
this.inactiveColor,
this.activeText,
this.inactiveText,
this.activeTextColor,
this.inactiveTextColor})
: super(key: key);
Key key,
this.value,
this.onChanged,
this.activeColor,
inactiveColor,
activeText,
inactiveText,
activeTextColor,
inactiveTextColor})
: this.inactiveColor = inactiveColor ?? Colors.grey,
this.activeText = activeText ?? 'On',
this.inactiveText = inactiveText ?? 'Off',
this.activeTextColor = activeTextColor ?? Colors.white70,
this.inactiveTextColor = inactiveTextColor ?? Colors.white70,
super(key: key);

@override
_CustomSwitchState createState() => _CustomSwitchState();
Expand All @@ -39,10 +44,17 @@ class _CustomSwitchState extends State<CustomSwitch>
_animationController =
AnimationController(vsync: this, duration: Duration(milliseconds: 60));
_circleAnimation = AlignmentTween(
begin: widget.value ? Alignment.centerRight : Alignment.centerLeft,
end: widget.value ? Alignment.centerLeft : Alignment.centerRight)
begin: widget.value ? Alignment.centerRight : Alignment.centerLeft,
end: widget.value ? Alignment.centerLeft : Alignment.centerRight)
.animate(CurvedAnimation(
parent: _animationController, curve: Curves.linear));
parent: _animationController, curve: Curves.linear));
}


@override
void dispose() {
_animationController ?? _animationController.dispose();
super.dispose();
}

@override
Expand Down Expand Up @@ -77,15 +89,15 @@ class _CustomSwitchState extends State<CustomSwitch>
children: <Widget>[
_circleAnimation.value == Alignment.centerRight
? Padding(
padding: const EdgeInsets.only(left: 4.0, right: 4.0),
child: Text(
widget.activeText,
style: TextStyle(
color: widget.activeTextColor,
fontWeight: FontWeight.w900,
fontSize: 16.0),
),
)
padding: const EdgeInsets.only(left: 4.0, right: 4.0),
child: Text(
widget.activeText,
style: TextStyle(
color: widget.activeTextColor,
fontWeight: FontWeight.w900,
fontSize: 16.0),
),
)
: Container(),
Align(
alignment: _circleAnimation.value,
Expand All @@ -98,15 +110,15 @@ class _CustomSwitchState extends State<CustomSwitch>
),
_circleAnimation.value == Alignment.centerLeft
? Padding(
padding: const EdgeInsets.only(left: 4.0, right: 5.0),
child: Text(
widget.inactiveText,
style: TextStyle(
color: widget.inactiveTextColor,
fontWeight: FontWeight.w900,
fontSize: 16.0),
),
)
padding: const EdgeInsets.only(left: 4.0, right: 5.0),
child: Text(
widget.inactiveText,
style: TextStyle(
color: widget.inactiveTextColor,
fontWeight: FontWeight.w900,
fontSize: 16.0),
),
)
: Container(),
],
),
Expand Down