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Scroll direction

Scroll direction in Android viewer

When scrolling through pages of a document in PDFViewCtrl, the scrolling direction can be changed by setting the page layout mode .

Vertical scrolling

Vertical scrolling mode (also known as continuous mode) can be enabled by setting the page presentation mode to either SINGLE_CONT, FACING_CONT, or FACING_COVER_CONT.

Here's what setting the page presentation mode to vertical scrolling looks like:

Vertical scrolling
// with PdfViewCtrlTabHostFragment2
PdfViewCtrlSettingsManager.updateViewMode(activity, PdfViewCtrlSettingsManager.KEY_PREF_VIEWMODE_CONTINUOUS_VALUE);
// with PDFViewCtrl
pdfViewCtrl.setPagePresentationMode(PDFViewCtrl.PagePresentationMode.SINGLE_CONT);

Horizontal scrolling

Horizontal scrolling mode (also known as non-continuous mode) can be enabled by setting the page presentation mode to either SINGLE, FACING, or FACING_COVER.

Here's what setting the page presentation mode to horizontal scrolling looks like:

Horizontal scrolling
// with PdfViewCtrlTabHostFragment2
PdfViewCtrlSettingsManager.updateViewMode(activity, PdfViewCtrlSettingsManager.KEY_PREF_VIEWMODE_CONTINUOUS_VALUE);
// with PDFViewCtrl
pdfViewCtrl.setPagePresentationMode(PDFViewCtrl.PagePresentationMode.SINGLE_CONT);

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