checkPermissions method

  1. @override
Future<Map<String, BluetoothPermissionStatus>> checkPermissions()
override

实现 FlutterBluetoothPluginPlatform.checkPermissions。

Web Bluetooth 没有全局预授权；已授权过设备时返回 granted，否则返回 notDetermined。

Implementation

@override
Future<Map<String, BluetoothPermissionStatus>> checkPermissions() async {
  if (!_isWebBluetoothSupported) {
    return const <String, BluetoothPermissionStatus>{
      'bluetooth': BluetoothPermissionStatus.notApplicable,
    };
  }
  final devices = await _authorizedDevices();
  return <String, BluetoothPermissionStatus>{
    'bluetooth': devices.isEmpty
        ? BluetoothPermissionStatus.notDetermined
        : BluetoothPermissionStatus.granted,
  };
}