Guides

Tools

This section introduces how to use the API provided by CPDFReaderWidgetController to directly access features such as the page editing view, watermark addition view, security settings view, etc., while displaying PDF documents with CPDFReaderWidget in Flutter, providing a more flexible user experience.

Open Page Editing View

// Control whether to enter page editing mode; when false, the thumbnail list is shown
bool editMode = true;
controller.showThumbnailView(editMode);

	editMode:true	editMode:false
Android
iOS

Open BOTA View

This view displays the document outline, bookmarks, and annotations lists.

await controller.showBotaView();

Android	iOS

Open Add Watermark Dialog

await controller.showAddWatermarkView();

Android	iOS

Open Security Settings View

In the security settings view, you can configure the document password, owner permissions password, and encryption method.

await controller.showSecurityView();

Android	iOS

Open Display Settings View

The display settings view allows you to configure the scroll direction, scroll mode, theme color, and other options.

await controller.showDisplaySettingView();

Android	iOS

Snipping Function

You can enter snipping mode when displaying a PDF document via the API to capture a specific area.

// Enter snipping mode
await controller.enterSnipMode();
// Exit snipping mode
await controller.exitSnipMode();

Android	iOS