-
-
Notifications
You must be signed in to change notification settings - Fork 1.4k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
feat(player): animated gradient background
- Loading branch information
Showing
7 changed files
with
268 additions
and
149 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,127 @@ | ||
import 'package:flutter/material.dart'; | ||
import 'package:flutter_hooks/flutter_hooks.dart'; | ||
|
||
class AnimateGradient extends HookWidget { | ||
const AnimateGradient({ | ||
Key? key, | ||
required this.primaryColors, | ||
required this.secondaryColors, | ||
this.child, | ||
this.primaryBegin, | ||
this.primaryEnd, | ||
this.secondaryBegin, | ||
this.secondaryEnd, | ||
AnimationController? controller, | ||
this.duration = const Duration(seconds: 4), | ||
this.animateAlignments = true, | ||
this.reverse = true, | ||
}) : assert(primaryColors.length >= 2), | ||
assert(primaryColors.length == secondaryColors.length), | ||
_controller = controller, | ||
super(key: key); | ||
|
||
/// [controller]: pass this to have a fine control over the [Animation] | ||
final AnimationController? _controller; | ||
|
||
/// [duration]: Time to switch between [Gradient]. | ||
/// By default its value is [Duration(seconds:4)] | ||
final Duration duration; | ||
|
||
/// [primaryColors]: These will be the starting colors of the [Animation]. | ||
final List<Color> primaryColors; | ||
|
||
/// [secondaryColors]: These Colors are those in which the [primaryColors] will transition into. | ||
final List<Color> secondaryColors; | ||
|
||
/// [primaryBegin]: This is begin [Alignment] for [primaryColors]. | ||
/// By default its value is [Alignment.topLeft] | ||
final Alignment? primaryBegin; | ||
|
||
/// [primaryBegin]: This is end [Alignment] for [primaryColors]. | ||
/// By default its value is [Alignment.topRight] | ||
final Alignment? primaryEnd; | ||
|
||
/// [secondaryBegin]: This is begin [Alignment] for [secondaryColors]. | ||
/// By default its value is [Alignment.bottomLeft] | ||
final Alignment? secondaryBegin; | ||
|
||
/// [secondaryEnd]: This is end [Alignment] for [secondaryColors]. | ||
/// By default its value is [Alignment.bottomRight] | ||
final Alignment? secondaryEnd; | ||
|
||
/// [animateAlignments]: set to false if you don't want to animate the alignments. | ||
/// This can provide you way cooler animations | ||
final bool animateAlignments; | ||
|
||
/// [reverse]: set it to false if you don't want to reverse the animation. | ||
/// using that it will go into one direction only | ||
final bool reverse; | ||
|
||
final Widget? child; | ||
|
||
@override | ||
Widget build(BuildContext context) { | ||
// ignore: no_leading_underscores_for_local_identifiers | ||
final __controller = useAnimationController( | ||
duration: duration, | ||
)..repeat(reverse: reverse); | ||
|
||
final controller = _controller ?? __controller; | ||
|
||
final animation = useMemoized( | ||
() => CurvedAnimation( | ||
parent: controller, | ||
curve: Curves.easeInOut, | ||
), | ||
[controller]); | ||
|
||
final colorTween = useMemoized( | ||
() => primaryColors.map((color) { | ||
return ColorTween( | ||
begin: color, | ||
end: color, | ||
); | ||
}).toList(), | ||
[primaryColors]); | ||
final colors = useMemoized( | ||
() => colorTween.map((color) { | ||
return color.evaluate(animation)!; | ||
}).toList(), | ||
[colorTween, animation]); | ||
|
||
final begin = useMemoized( | ||
() => AlignmentTween( | ||
begin: primaryBegin ?? Alignment.topLeft, | ||
end: primaryEnd ?? Alignment.topRight, | ||
), | ||
[primaryBegin, primaryEnd]); | ||
|
||
final end = useMemoized( | ||
() => AlignmentTween( | ||
begin: secondaryBegin ?? Alignment.bottomLeft, | ||
end: secondaryEnd ?? Alignment.bottomRight, | ||
), | ||
[secondaryBegin, secondaryEnd]); | ||
|
||
return AnimatedBuilder( | ||
animation: animation, | ||
child: child, | ||
builder: (BuildContext context, Widget? child) { | ||
return Container( | ||
decoration: BoxDecoration( | ||
gradient: LinearGradient( | ||
begin: animateAlignments | ||
? begin.evaluate(animation) | ||
: (primaryBegin as Alignment), | ||
end: animateAlignments | ||
? end.evaluate(animation) | ||
: primaryEnd as Alignment, | ||
colors: colors, | ||
), | ||
), | ||
child: child, | ||
); | ||
}, | ||
); | ||
} | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.