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Code samples to add annotations to PDFs on iOS

Add or edit PDF annotations
Shows how to add or edit PDF annotations (e.g. hyperlink, intra-document link, stamp, rubber stamp, file attachment, sound, text, free-text, line, circle, square, polygon, polyline, highlight, squiggly, caret, and ink).

UI samples

iOS showcase sample app
The showcase demonstrates some features of the SDK. To view the annotation demo, select any of the samples found under Annotation in the app such as:

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PDFTron live tech update & run-through: Jan 20th at 11 am PT