dispose method

void dispose()

Disposes this object and release resources.

Implementation

void dispose() {
  _selectionOverlay.dispose();
  renderObject.selectionStartInViewport
      .removeListener(_updateTextSelectionOverlayVisibilities);
  renderObject.selectionEndInViewport
      .removeListener(_updateTextSelectionOverlayVisibilities);
  _effectiveToolbarVisibility.dispose();
  _effectiveStartHandleVisibility.dispose();
  _effectiveEndHandleVisibility.dispose();
}