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interface Transformation
Helper class used to change a child view of a presentation 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.
Summary
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Last updated 2025-02-10 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[],null,["# Transformation\n\nAdded in [API level 27](https://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels)\n\nTransformation\n==============\n\n*** ** * ** ***\n\nKotlin \\|[Java](/reference/android/service/autofill/Transformation \"View this page in Java\") \n\n```\ninterface Transformation\n```\n\n|----------------------------------------------|\n| [android.service.autofill.Transformation](#) |\n\n|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| Known Direct Subclasses [CharSequenceTransformation](/reference/kotlin/android/service/autofill/CharSequenceTransformation), [DateTransformation](/reference/kotlin/android/service/autofill/DateTransformation), [ImageTransformation](/reference/kotlin/android/service/autofill/ImageTransformation) |-----------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [CharSequenceTransformation](/reference/kotlin/android/service/autofill/CharSequenceTransformation) | Replaces a [TextView](../../widget/TextView.html#) child of a [CustomDescription](/reference/kotlin/android/service/autofill/CustomDescription) with the contents of one or more regular expressions (regexs). | | [DateTransformation](/reference/kotlin/android/service/autofill/DateTransformation) | Replaces a [TextView](../../widget/TextView.html#) child of a [CustomDescription](/reference/kotlin/android/service/autofill/CustomDescription) with the contents of a field that is expected to have a [date value](../../view/autofill/AutofillValue.html#forDate(kotlin.Long)). | | [ImageTransformation](/reference/kotlin/android/service/autofill/ImageTransformation) | Replaces the content of a child [ImageView](../../widget/ImageView.html#) of a [presentation template](../../widget/RemoteViews.html#) with the first image that matches a regular expression (regex). | |\n\nHelper class used to change a child view of a [presentation](../../widget/RemoteViews.html#) at runtime, using the values of fields contained in the screen.\n\nTypically used by [CustomDescription](/reference/kotlin/android/service/autofill/CustomDescription) to provide a customized autofill save UI.\n\n**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.\n\nSummary\n-------"]]
