Online PDF Document Protection or Set Password via Android App

Develop powerful android based PDF document protection utility application. Code listed for applying password to PDF document through android.

Online PDF Password Protection

Import PDF file to apply password by uploading it.
Do it by clicking inside the drop area via drag and drop of protection app.
Depending on the size of PDF file and internet speed wait for few seconds.
Enter the password to set
Click the ‘Protect’ button to protect document.
Download the protected files instantly.

PDF Password Protection via Android App

Add Java library reference within your project
Load the PDF file via Document class
Create previllages using DocumentPrivilege class
Using the object call the Encrypt method
Provide the user and owner password, previllages and protection type as parameters
Call the save method to save the protected document

Java Code : PDF Document Password Protection

	Document document = new Document(_dataDir + "input.pdf");

	DocumentPrivilege documentPrivilege = DocumentPrivilege.getForbidAll();
	documentPrivilege.setAllowScreenReaders(true);

	document.encrypt("user", "owner", documentPrivilege, CryptoAlgorithm.AESx128, false);

	//document.encrypt("user", "owner", documentPrivilege, CryptoAlgorithm.RC4x128 , false);

	document.save(_dataDir + "protected-document.pdf");

view raw protect-pdf-document-with-password.java hosted with ❤ by GitHub

Develop PDF Password Protection Application Android App

Need to develop a PDF password protection app or utility? With Aspose.PDF for Android via Java a child API of Aspose.Total for Android via Java , any android developer can integrate the above API code within its document protection application. Powerful android library allows programming any document password protection solution to secure and lock the files. Moreover it can support many popular formats including PDF format.

Android utility to process PDF file for protect app

We host our Java packages in Maven repositories .
Aspose.PDF for Java is a common JAR file containing byte-code.
Follow the step-by-step instructions on how to install Aspose.PDF for Android via Java.

System Requirements

Android API 31 and 32
Android 4.0 and above
Android Studio and SDK tools

For more details about optional package dependencies, such as JogAmp JOGL, Harfbuzz font engine, Java Advanced Imaging JAI please refer to [Product Documentation](https://docs.aspose.com/pdf/java/system-requirements/).

Explore Protect File Options with Android

Protect DOC Files (Microsoft Word Binary Format)

Protect DOCX Files (Office 2007+ Word Document)

Protect Excel Files

Protect ODP Files (OpenDocument Presentation Format)

Protect ODS Files (OpenDocument Spreadsheet)

Protect ODT Files (OpenDocument Text File Format)

Protect PDF Files (Portable Document Format)

Protect Powerpoint Files

Protect PPT Files (PowerPoint Presentation)

Protect PPTX Files (Open XML presentation Format)

Protect Word Files

Protect XLS Files (Microsoft Excel Binary Format)

Protect XLSX Files (Open XML Workbook)