PdfDocument.OnPdfContentInvalidatedListener

Artifact: androidx.pdf:pdf-viewer

View Source

Added in 1.0.0-alpha13

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Kotlin |Java

interface PdfDocument.OnPdfContentInvalidatedListener

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Listener interface for receiving notifications when some regions of the PDF content are invalidated.

Summary

Public functions
Unit	onPdfContentInvalidated(pageNumber: Int, dirtyAreas: List<Rect>) Invoked when some regions of the PDF content are invalidated, and need to be re-rendered.

Public functions

onPdfContentInvalidated

Added in 1.0.0-alpha13

fun onPdfContentInvalidated(pageNumber: Int, dirtyAreas: List<Rect>): Unit

Invoked when some regions of the PDF content are invalidated, and need to be re-rendered. (example scenario - when a form field is edited in the PDF.)

Parameters
pageNumber: Int	The page number (0-index based) on which the content was invalidated.
dirtyAreas: List<Rect>	A list of Rect indicating regions of the PDF content that were invalidated and need to be re-rendered in order to sync UI to the latest state of the document.