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Animate on navigate provider for UI Detail Overlay
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter/foundation.dart'; | ||
| import 'package:provider/provider.dart'; | ||
| import 'package:supercharged/supercharged.dart'; | ||
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| class FadeScreenProvider extends ChangeNotifier { | ||
| static FadeScreenProvider state(BuildContext context, [listen = false]) => | ||
| Provider.of<FadeScreenProvider>(context, listen: listen); | ||
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| bool _fadeOff = false; | ||
| bool get fadeOff => _fadeOff; | ||
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| close({VoidCallback callback, int delay = 700}) async { | ||
| if (!this._fadeOff) { | ||
| return; | ||
| } | ||
| this._fadeOff = false; | ||
| await delay.milliseconds.delay; | ||
| callback(); | ||
| notifyListeners(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:provider/provider.dart'; | ||
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| import 'package:flutter_uis/Providers/FadeScreen.dart'; | ||
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| class UIDetailStateProvider extends FadeScreenProvider { | ||
| static UIDetailStateProvider state(BuildContext context, [listen = false]) => | ||
| Provider.of<UIDetailStateProvider>(context, listen: listen); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:simple_animations/simple_animations.dart'; | ||
| import 'package:supercharged/supercharged.dart'; | ||
| import 'package:provider/provider.dart'; | ||
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| import 'package:flutter_uis/configs/AppTheme.dart'; | ||
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| import 'package:flutter_uis/Providers/FadeScreen.dart'; | ||
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| class OverlayGradientFade<T extends FadeScreenProvider> | ||
| extends StatelessWidget { | ||
| const OverlayGradientFade({ | ||
| Key key, | ||
| this.delay, | ||
| this.colors, | ||
| this.duration, | ||
| @required this.height, | ||
| }) : super(key: key); | ||
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| final int delay; | ||
| final int duration; | ||
| final double height; | ||
| final List<Color> colors; | ||
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| @override | ||
| Widget build(BuildContext context) { | ||
| final colors = this.colors ?? | ||
| [ | ||
| AppTheme.primary.withOpacity(0.84), | ||
| AppTheme.primary.withOpacity(0.01), | ||
| ]; | ||
| int delay = this.delay ?? 120; | ||
| int duration = this.duration ?? 300; | ||
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|
||
| return Positioned( | ||
| top: 0, | ||
| left: 0, | ||
| right: 0, | ||
| child: Selector<T, bool>( | ||
| selector: (_, state) => state.fadeOff, | ||
| builder: (context, flag, child) { | ||
| return CustomAnimation<double>( | ||
| tween: 0.0.tweenTo(1.0), | ||
| delay: delay.milliseconds, | ||
| duration: duration.milliseconds, | ||
| control: !flag | ||
| ? CustomAnimationControl.PLAY | ||
| : CustomAnimationControl.PLAY_REVERSE, | ||
| builder: (_, child, animation) { | ||
| return Transform.translate( | ||
| offset: Offset(0.0, -this.height + animation * this.height), | ||
| child: Opacity( | ||
| opacity: animation, | ||
| child: child, | ||
| ), | ||
| ); | ||
| }, | ||
| child: Container( | ||
| height: this.height, | ||
| decoration: BoxDecoration( | ||
| gradient: LinearGradient( | ||
| end: Alignment.bottomCenter, | ||
| begin: Alignment.topCenter, | ||
| stops: [0.15, 1.0], | ||
| colors: colors, | ||
| ), | ||
| ), | ||
| ), | ||
| ); | ||
| }, | ||
| ), | ||
| ); | ||
| } | ||
| } |