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<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright 2015 The Android Open Source Project
Licensed 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
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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.
-->
<!-- TODO(thagikura) Add tests for Activity and Fragment once InstrumentationTests can be run
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At this moment, due to the different API between the image and the SDK, they can't be launched.
E.g. Skipping device 'Nexus 5 - MNC', due to different API preview 'MNC' and 'android-MNC'
-->
<sample>
<name>Fingerprint Dialog Sample</name>
<group>security</group>
<package>com.example.android.fingerprintdialog</package>
<minSdk>"MNC"</minSdk>
<targetSdkVersion>"MNC"</targetSdkVersion>
<compileSdkVersion>"android-MNC"</compileSdkVersion>
<dependency>com.squareup.dagger:dagger:1.2.2</dependency>
<dependency>com.squareup.dagger:dagger-compiler:1.2.2</dependency>
<!-- TODO(thagikura) These dependencies should be created as testCompile instead of compile but
the template system doesn't allow androidTestCompile dependencies. Change it once fixed.
-->
<dependency>junit:junit:4.12</dependency>
<dependency>org.mockito:mockito-core:1.10.19</dependency>
<strings>
<intro>
<![CDATA[
This sample demonstrates how you can use registered fingerprints to authenticate the user
before proceeding some actions such as purchasing an item.
]]>
</intro>
</strings>
<template src="base" />
<metadata>
<!-- Values: {DRAFT | PUBLISHED | INTERNAL | DEPRECATED | SUPERCEDED} -->
<status>DRAFT</status>
<categories>security</categories>
<technologies>Android</technologies>
<languages>Java</languages>
<solutions>Mobile</solutions>
<level>INTERMEDIATE</level>
<icon>screenshots/big-icon.png</icon>
<screenshots>
<img>screenshots/1-purchase-screen.png</img>
<img>screenshots/2-fingerprint-dialog.png</img>
<img>screenshots/3-fingerprint-authenticated.png</img>
<img>screenshots/4-new-fingerprint-enrolled.png</img>
</screenshots>
<api_refs>
<android>android.hardware.fingerprint.FingerprintManager</android>
<android>android.hardware.fingerprint.FingerprintManager.AuthenticationCallback</android>
<android>android.hardware.fingerprint.FingerprintManager.CryptoObject</android>
<android>android.security.KeyGenParameterSpec</android>
<android>java.security.KeyStore</android>
<android>javax.crypto.Cipher</android>
<android>javax.crypto.KeyGenerator</android>
</api_refs>
<description>
<![CDATA[
A sample that demonstrates to use registered fingerprints to authenticate the user in your app
]]>
</description>
<intro>
<![CDATA[
This sample demonstrates how you can use registered fingerprints in your app to authenticate the user
before proceeding some actions such as purchasing an item.
First you need to create a symmetric key in the Android Key Store using [KeyGenerator][1]
which can be only be used after the user has authenticated with fingerprint and pass
a [KeyGeneratorSpec][2].
By setting [KeyGeneratorSpec.Builder.setUserAuthenticationRequired][3] to true, you can permit the
use of the key only after the user authenticate it including when authenticated with the user's
fingerprint.
Then start listening to a fingerprint on the fingerprint sensor by calling
[FingerprintManager.authenticate][4] with a [Cipher][5] initialized with the symmetric key created.
Or alternatively you can fall back to server-side verified password as an authenticator.
Once the fingerprint (or password) is verified, the
[FingerprintManager.AuthenticationCallback#onAuthenticationSucceeded()][6] callback is called.
[1]: https://developer.android.com/reference/javax/crypto/KeyGenerator.html
[2]: https://developer.android.com/reference/android/security/KeyGenParameterSpec.html
[3]: https://developer.android.com/reference/android/security/KeyGenParameterSpec.Builder#setUserAuthenticationRequired().html
[4]: https://developer.android.com/reference/android/hardware/FingerprintManager#authenticate().html
[5]: https://developer.android.com/reference/javax/crypto/Cipher.html
[6]: https://developer.android.com/reference/android/hardware/FingerprintManager.AuthenticationCallback#onAuthenticationSucceeded().html
]]>
</intro>
</metadata>
</sample>