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Merge pull request #4 from EsinShadrach/dev
Added top Snackbar
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| import "package:flutter/material.dart"; | ||
| import "package:flutter_playground/extensions.dart"; | ||
|
|
||
| class TopSnackbar extends StatelessWidget { | ||
| const TopSnackbar({super.key}); | ||
| static OverlayEntry? overlayEntry; | ||
|
|
||
| void showOverlay(BuildContext context) { | ||
| final overlayState = Overlay.of(context); | ||
| if (overlayEntry == null) { | ||
| overlayEntry = OverlayEntry( | ||
| builder: (context) { | ||
| return CustomSnackbar( | ||
| tapFn: () { | ||
| overlayEntry?.remove(); | ||
| overlayEntry = null; | ||
| }, | ||
| ); | ||
| }, | ||
| ); | ||
| overlayState.insert(overlayEntry!); | ||
| } else { | ||
| overlayEntry?.remove(); | ||
| overlayEntry = null; | ||
| } | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Scaffold( | ||
| appBar: AppBar( | ||
| title: const Text("Title"), | ||
| ), | ||
| body: Container( | ||
| alignment: Alignment.center, | ||
| child: FilledButton( | ||
| onPressed: () { | ||
| showOverlay(context); | ||
| }, | ||
| child: const Text("Show Me"), | ||
| ), | ||
| ), | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| class CustomSnackbar extends StatefulWidget { | ||
| const CustomSnackbar({ | ||
| super.key, | ||
| required this.tapFn, | ||
| }); | ||
| final Function() tapFn; | ||
|
|
||
| @override | ||
| State<CustomSnackbar> createState() => _CustomSnackbarState(); | ||
| } | ||
|
|
||
| class _CustomSnackbarState extends State<CustomSnackbar> | ||
| with SingleTickerProviderStateMixin { | ||
| late final AnimationController _controller; | ||
| late final Animation<Offset> _animation; | ||
|
|
||
| @override | ||
| void initState() { | ||
| _controller = AnimationController( | ||
| vsync: this, | ||
| duration: Durations.short4, | ||
| debugLabel: "topsnackbar", | ||
| ); | ||
|
|
||
| _animation = Tween<Offset>( | ||
| begin: const Offset(0, -1), | ||
| end: const Offset(0, 0), | ||
| ).animate( | ||
| CurvedAnimation( | ||
| parent: _controller, | ||
| curve: Curves.easeInOut, | ||
| ), | ||
| ); | ||
| _controller.forward(); | ||
| super.initState(); | ||
| } | ||
|
|
||
| @override | ||
| Widget build(BuildContext context) { | ||
| return Positioned( | ||
| top: 0, | ||
| left: 0, | ||
| right: 0, | ||
| child: Material( | ||
| type: MaterialType.transparency, | ||
| child: ConstrainedBox( | ||
| constraints: const BoxConstraints( | ||
| maxHeight: 200, | ||
| ), | ||
| child: SlideTransition( | ||
| position: _animation, | ||
| child: Container( | ||
| decoration: BoxDecoration( | ||
| color: context.colorScheme.surfaceVariant, | ||
| ), | ||
| padding: const EdgeInsets.all(10), | ||
| child: SafeArea( | ||
| bottom: false, | ||
| child: Column( | ||
| crossAxisAlignment: CrossAxisAlignment.start, | ||
| mainAxisSize: MainAxisSize.min, | ||
| children: [ | ||
| Text( | ||
| "Hey Nigger", | ||
| style: context.textTheme.titleMedium, | ||
| ), | ||
| const Spacer(), | ||
| Text( | ||
| "lorem ipsum is a simple dummy text of the printing and type setting industry", | ||
| style: context.textTheme.bodyMedium, | ||
| ), | ||
| Align( | ||
| alignment: Alignment.bottomRight, | ||
| child: TextButton( | ||
| style: TextButton.styleFrom( | ||
| tapTargetSize: MaterialTapTargetSize.shrinkWrap, | ||
| ), | ||
| onPressed: () { | ||
| _controller.reverse().then((_) { | ||
| widget.tapFn(); | ||
| }); | ||
| }, | ||
| child: const Text("Close"), | ||
| ), | ||
| ) | ||
| ], | ||
| ), | ||
| ), | ||
| ), | ||
| ), | ||
| ), | ||
| ), | ||
| ); | ||
| } | ||
| } |