showToolbar method

void showToolbar()

Shows the toolbar by inserting it into the context's overlay.

Implementation

void showToolbar() {
  assert(_toolbar == null);
  _toolbar = OverlayEntry(builder: _buildToolbar);
  Overlay.of(context, rootOverlay: true, debugRequiredFor: debugRequiredFor)!
      .insert(_toolbar!);
  _toolbarController.forward(from: 0.0);
}