Watermark Documents and Images using Android via Java APIs

Add text and image watermark to PDF, Microsoft Word, Excel, Powerpoint presentations and Images using Aspose.Total for Android via Java.

Document watermarking via Android mobile apps fulfills a crucial need in today’s digital landscape, where protecting intellectual property and ensuring document authenticity are paramount. These apps provide users with a convenient and accessible way to add watermarks to their documents directly from their mobile devices. Whether it’s a photographer safeguarding their images, a writer protecting their manuscripts, or a business professional securing sensitive documents, the ability to easily apply watermarks on the go offers peace of mind and control over the dissemination of their content. By leveraging the ubiquity of Android smartphones and tablets, these apps empower users to take proactive measures to safeguard their intellectual property and maintain the integrity of their documents.

Furthermore, document watermarking apps on Android devices offer a range of features to cater to diverse user needs. From customizable watermark templates to advanced batch processing capabilities, these apps provide flexibility and efficiency in adding watermarks to documents. Users can personalize watermarks with text, logos, timestamps, and other identifiers, tailoring them to specific requirements.

Watermark PDF Documents

With Aspose.Total for Android via Java API, developers can seamlessly integrate robust PDF watermarking capabilities into their mobile applications, empowering users to protect and personalize their PDF documents with ease. Leveraging the comprehensive features provided by Aspose.Total, developers can programmatically add watermarks to PDF files using Java code, ensuring document integrity and authenticity. Whether it’s adding text watermarks, images, or custom graphics, Aspose.Total equips developers with a rich set of APIs to meet various watermarking requirements.

Java Code: Watermark PDF Documents

	Document pdfDoc = new Document("ImageWatermark.pdf");

	BackgroundArtifact background = new BackgroundArtifact();

	background.setBackgroundImage(new FileInputStream("logo.png"));
	background.setOpacity(0.5);
	background.setArtifactHorizontalAlignment(HorizontalAlignment.Center);
	background.setArtifactVerticalAlignment(VerticalAlignment.Center);

	pdfDoc.getPages().get_Item(1).getArtifacts().add(background);

	pdfDoc.save("AddedImageWatermark.pdf");

view raw add-image-watermark-to-pdf-file.java hosted with ❤ by GitHub

Add Watermark to Microsoft Word Files

Aspose.Words for Android via Java, a powerful component of the Aspose.Total suite, provides developers with the tools they need to seamlessly watermark Word documents using Java code. Leveraging Aspose.Words’ intuitive APIs, developers can effortlessly integrate watermarking functionality into their Android applications, ensuring document security and branding. With Aspose.Words for Android via Java, developers can dynamically add text or image watermarks to Word documents, customize their appearance, and control their placement with precision.

Java Code: Watermark Microsft Word Documents

	Document wordDoc = new Document("AddTextWatermark.docx");

	TextWatermarkOptions watermarkOptions = new TextWatermarkOptions();
	watermarkOptions.setFontSize(36);
	watermarkOptions.setFontFamily("Arial");
	watermarkOptions.setColor(Color.RED);
	watermarkOptions.setLayout(WatermarkLayout.DIAGONAL);
	watermarkOptions.isSemitrasparent(true);

	wordDoc.getWatermark().setText("CONFIDENTIAL", watermarkOptions);

	wordDoc.save("inserted-text-watermark.docx");

view raw add-text-watermark-to-word-files.java hosted with ❤ by GitHub

Watermarking Microsoft Powerpoint Presentations And Excel Spreadsheets

With Aspose.Slides for Android, developers can seamlessly integrate watermarking functionality into their Android based mobile applications, enabling users to protect and customize PowerPoint presentations with ease. As part of the Aspose.Total suite, Aspose.Slides provides a comprehensive set of APIs tailored for Android development, allowing developers to dynamically add watermarks to slideshows with precision and efficiency.

To watermark Excel spreadsheets on Android using Aspose.Cells for Android via Java, developers can seamlessly integrate robust functionality into their mobile applications. Aspose.Cells, a component of the Aspose.Total suite, offers comprehensive APIs tailored for Android development, enabling users to protect and customize their Excel documents effortlessly. With Aspose.Cells, developers can dynamically add watermarks to spreadsheets to enhance document security and branding. By leveraging Aspose.Cells’ powerful features, developers can automate the watermarking process, ensuring efficiency and high-quality output.

Java Code : Watermark Powerpoint Presentations

	Presentation pres = new Presentation();
	try {
	IMasterSlide master = pres.getMasters().get_Item(0);
	IAutoShape watermarkShape = master.getShapes().addAutoShape(ShapeType.Triangle, 0, 0, 0, 0);
	ITextFrame watermarkTextFrame = watermarkShape.addTextFrame("Watermark");

	pres.save("watermarkedPresentation.ppt", SaveFormat.Ppt);
	} finally {
	if (pres != null) pres.dispose();
	}

view raw add-text-watermark-to-powerpoint-presentations.java hosted with ❤ by GitHub

Java Code : Watermark Excel Spreadsheet

	Workbook wkb = new Workbook("AddWatermarkExcel.xlsx");

	Worksheet sheet = wkb.getWorksheets().get(0);

	Shape wordart = sheet.getShapes().addTextEffect(MsoPresetTextEffect.TEXT_EFFECT_1, "CONFIDENTIAL",
	"Arial Black", 50, false, true, 18, 8, 1, 1, 130, 800);

	FillFormat wordArtFormat = wordart.getFill();

	wordArtFormat.setOneColorGradient(Color.getRed(), 0.2, GradientStyleType.HORIZONTAL, 2);

	wordArtFormat.setTransparency(0.9);

	wordart.setHasLine(false);

	wordart.setLocked(true);
	wordart.setLockedProperty(ShapeLockType.SELECTION, true);
	wordart.setLockedProperty(ShapeLockType.SHAPE_TYPE, true);
	wordart.setLockedProperty(ShapeLockType.MOVE, true);
	wordart.setLockedProperty(ShapeLockType.RESIZE, true);
	wordart.setLockedProperty(ShapeLockType.TEXT, true);

	wkb.save("watermark-added.xlsx");

view raw add-watermark-in-excel-documents.java hosted with ❤ by GitHub