Foti Dim
27 lines
802 B
Dart
27 lines
802 B
Dart
import 'package:flutter/material.dart';
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import 'package:universal_ble_example/data/scan_controller.dart';
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/// Provides [ScanController] to the widget tree so the scan button
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/// can be shown on both the scanner and detail screens.
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class ScanControllerScope extends InheritedWidget {
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const ScanControllerScope({
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super.key,
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required this.controller,
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required super.child,
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});
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final ScanController controller;
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static ScanController of(BuildContext context) {
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final scope = context
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.dependOnInheritedWidgetOfExactType<ScanControllerScope>();
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assert(scope != null, 'No ScanControllerScope found in context');
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return scope!.controller;
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}
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@override
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bool updateShouldNotify(ScanControllerScope oldWidget) {
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return controller != oldWidget.controller;
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}
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}
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