update method

Implementation

Future<void> update() async {
  if (_disposed) {
    return;
  }

  final bool hasStrings;
  try {
    hasStrings = await Clipboard.hasStrings();
  } catch (exception, stack) {
    FlutterError.reportError(
      FlutterErrorDetails(
        exception: exception,
        stack: stack,
        library: 'widget library',
        context: ErrorDescription('while checking if the clipboard has strings'),
      ),
    );
    // In the case of an error from the Clipboard API, set the value to
    // unknown so that it will try to update again later.
    if (_disposed) {
      return;
    }
    value = ClipboardStatus.unknown;
    return;
  }
  final ClipboardStatus nextStatus =
      hasStrings ? ClipboardStatus.pasteable : ClipboardStatus.notPasteable;

  if (_disposed) {
    return;
  }
  value = nextStatus;
}