Added in API level 27

Summary:

Transformation

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Kotlin |Java

public interface Transformation

android.service.autofill.Transformation

Known indirect subclasses CharSequenceTransformation, DateTransformation, ImageTransformation CharSequenceTransformation Replaces a TextView child of a CustomDescription with the contents of one or more regular expressions (regexs).  DateTransformation Replaces a TextView child of a CustomDescription with the contents of a field that is expected to have a date value.  ImageTransformation Replaces the content of a child ImageView of a presentation template with the first image that matches a regular expression (regex).

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Helper class used to change a child view of a presentation template at runtime, using the values of fields contained in the screen.

Typically used by CustomDescription to provide a customized autofill save UI.

Note: This interface is not meant to be implemented by app developers; only implementations provided by the Android System can be used in other Autofill APIs.