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Xamarin.Forms

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Fundamentals

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Document Viewer

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Document Viewer components

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Annotation and collaboration

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Advanced customization

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Conversion

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Parsing and extraction

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Digital signatures

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Form filling

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Redaction

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Advanced topics

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Reference

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PDF Processing API

Annotation style editor

In this document
chevron_rightShow an annotation style dialog
chevron_rightListen to annotation style changes
This tutorial only applies to Xamarin.Android.

AnnotStyleDialogFragment is a DialogFragment that shows annotation style properties in a bottom sheet view. With this style dialog, users can change the annotation color with the advanced color picker or directly select preset styles. The style dialog also provides a recent and a favorite list for quick access.

To learn about customizing style dialog, see the customize style dialog guide.

linkShow an annotation style dialog

The AnnotationStyleDialogFragment.Builder class allows you to create an AnnotStyleDialogFragment with a specified AnnotStyle. The AnnotStyle represents the initial annotation style to display.

Example

Afterwards, to show an annotation style dialog call show(FragmentManager). Similarly, to dismiss the annotation style dialog programmatically call dismiss().

linkListen to annotation style changes

You can listen to annotation style changes by setting an OnAnnotStyleChangeListener to your AnnotStyleDialogFragment using setOnAnnotStyleChangeListener. The AnnotStyleDialogFragment raises an event when a style change occurs (such as a color change, thickness change, text color change, etc.), allowing you to define custom behavior for such events.

To learn about changing annotation style, see the change annotation properties guide.