Section:

Supporting right-to-left (RTL) language documents in Android

To support right-to-left (RTL) language documents, the Apryse SDK provides a high-level API for changing the reading direction of documents in your document viewer.

Apryse Docs Image

If you are using DocumentActivity or PdfViewCtrlTabHostFragment2, you can enable right-to-left (RTL) support in your document viewer by setting it with ViewerConfig:

1ViewerConfig.Builder builder = new ViewerConfig.Builder();
2ViewerConfig config = builder
3    .fullscreenModeEnabled(true)
4    .multiTabEnabled(true)
5    .documentEditingEnabled(true)
6    .longPressQuickMenuEnabled(true)
7    // ...
8    .rightToLeftModeEnabled(true)   // Enable RTL mode, must also call showRightToLeftOption
9    .showRightToLeftOption(true)    // Show RTL toggle button in view mode dialog
10    .build();

Java

1ViewerConfig.Builder builder = new ViewerConfig.Builder();
2ViewerConfig config = builder
3    .FullscreenModeEnabled(true)
4    .MultiTabEnabled(true)
5    .DocumentEditingEnabled(true)
6    .LongPressQuickMenuEnabled(true)
7    // ...
8    .RightToLeftModeEnabled(true)   // Enable RTL mode, must also call showRightToLeftOption
9    .ShowRightToLeftOption(true)    // Show RTL toggle button in view mode dialog
10    .Build();

Note that if you call rightToLeftModeEnabled you must also call showRightToLeftOption in order for right-to-left (RTL) mode to be enabled.

If you would like more granular control over your document viewer, you can enable right-to-left (RTL) directly in PDFViewCtrl by calling PDFViewCtrl.setRightToLeftLanguage(true).

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