38 lines
1 KiB
Dart
38 lines
1 KiB
Dart
import 'package:flutter/material.dart';
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// This widget should be added on top of Scaffolds with:
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// - `resizeToAvoidBottomInset` set to false,
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// - a vertically scrollable body.
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// It will prevent the body from scrolling when a user swipe from bottom to use Android Q style navigation gestures.
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class BottomGestureAreaProtector extends StatelessWidget {
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// as of Flutter v1.22.5, `systemGestureInsets` from `MediaQuery` mistakenly reports no bottom inset,
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// so we use an empirical measurement instead
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static const double systemGestureInsetsBottom = 32;
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@override
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Widget build(BuildContext context) {
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return Positioned(
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left: 0,
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right: 0,
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bottom: 0,
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height: systemGestureInsetsBottom,
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child: AbsorbPointer(),
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);
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}
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}
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class GestureAreaProtectorStack extends StatelessWidget {
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final Widget child;
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const GestureAreaProtectorStack({@required this.child});
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@override
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Widget build(BuildContext context) {
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return Stack(
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children: [
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child,
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BottomGestureAreaProtector(),
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],
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);
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}
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}
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