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Show and hide existing annotations

In this document
chevron_rightShow and hide one annotation
chevron_rightShow and hide all annotations

By default, PDFViewCtrl shows all annotations on PDF document. If you want to hide a particular annotation on PDFViewCtrl, or hide all annotations on PDFViewCtrl, you can hide annotations as follows:

linkShow and hide one annotation

To show a hidden annotation in PDFViewCtrl, call showAnnotation(Annot):

To hide an annotation in PDFViewCtrl, call hideAnnotation(Annot).

After hide and show an annotation in PDFViewCtrl, You must call update to redraw the area covered with the given annotation.

linkShow and hide all annotations

Alternatively, you can show/hide all annotations in PDFViewCtrl by calling setDrawAnnotations(boolean). This method toggles the visibility of annotations and form fields.

For example, disabling all annotations and form fields from rendering:

After toggling annotation and form fields visibility in PDFViewCtrl, You must call update to redraw the pdf content.