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README.md

Android Confirm Credential Sample

A sample that demonstrates how to use device credentials (PIN, Pattern, Password) in your app

Introduction

This sample demonstrates how you can use device credentials (PIN, Pattern, Password) in your app to authenticate the user before they are trying to complete some actions.

First you need to create a symmetric key in the Android Key Store using KeyGenerator which can be only be used after the user has authenticated after the user is authenticated with their device credentials and pass KeyGenParameterSpec.

By setting an integer value to the KeyGenParameterSpec.Builder.setUserAuthenticationValidityDurationSeconds, you can consider the user as authenticated if the user has been authenticated with the device credentials within the last x seconds.

Then by calling KeyguardManager.createConfirmDeviceCredentialIntent, you can show a screen to confirm device credentials to the user.

Pre-requisites

  • Android SDK 27
  • Android Build Tools v27.0.2
  • Android Support Repository

Screenshots

Screenshot Screenshot Screenshot

Getting Started

This sample uses the Gradle build system. To build this project, use the "gradlew build" command or use "Import Project" in Android Studio.

Support

If you've found an error in this sample, please file an issue: https://github.com/googlesamples/android-Confirm Credential

Patches are encouraged, and may be submitted by forking this project and submitting a pull request through GitHub. Please see CONTRIBUTING.md for more details.

License

Copyright 2017 The Android Open Source Project, Inc.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.