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Using digital signature tool in Android

For Android, available in the full version of the library only. See Apryse full or standard?

The Tools package comes with a basic DigitalSignature tool that allows signing with a specific keystore and password. The DigitalSignature tool can be used with the UI components such as DocumentActivity and PdfViewCtrlTabHostFragment2. You can also use the tool with PDFViewCtrl through ToolManager.

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By default, the signature tool does not sign with a certificate. Certificate-based signatures can be enabled using ToolManagerBuilder which will add a certificate picker and password input field to the signature UI flow.

Alternatively you can define a certificate file and password in ToolManagerBuilder. This will disable the additional signing flow for digital signatures and use the specified certificate instead.

1ToolManagerBuilder tmBuilder = ToolManagerBuilder.from()
2    .setUseDigitalSignature(true)
3    // Optionally specify a default certificate file and password
4    .setDigitalSignatureKeystorePath("my_keystore_path")
5    .setDigitalSignatureKeystorePassword("my_keystore_password");
6ViewerConfig.Builder builder = new ViewerConfig.Builder();
7ViewerConfig config = builder
8    //...
9    .toolManagerBuilder(tmBuilder)
10    .build();

The signed document is then saved to a separate file.

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