![]() ![]() The use of a standard icon makes it easy for Android users to recognize where in apps fingerprint authentication is used: Use Google's fingerprint icon – All applications should use the same fingerprint icon provided by Google. ![]() ![]() For these reasons, an Android application should provide an alternate authentication process such as username and password. It is also possible that the user may not wish to use fingerprint authentication with your application. It is possible that the fingerprint scanner may fail, the lens maybe be dirty, the user may not have configured the device to use fingerprint authentication, or the fingerprints have since gone missing. Provide Alternatives to Fingerprint Authentication – Fingerprint authentication is a great, quick way for an application to authenticate a user, however, it cannot be assumed that it will always work or be available. Use the Android Support Library v4 Compatibility APIs – This will simplify the application code by removing the API check from the code and allow an application to target the most devices possible. ![]() Now that we have seen the concepts and APIs surrounding Android 6.0 fingerprint authentication, let's discuss some general advice for the use of the Fingerprint APIs. In this article Fingerprint Authentication Guidance ![]()
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March 2023
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