├── kotlinApp
├── settings.gradle
├── screenshots
│ ├── big-icon.png
│ ├── 1-purchase-screen.png
│ ├── 2-fingerprint-dialog.png
│ ├── 3-fingerprint-authenticated.png
│ └── 4-new-fingerprint-enrolled.png
├── gradle
│ └── wrapper
│ │ ├── gradle-wrapper.jar
│ │ └── gradle-wrapper.properties
├── app
│ ├── src
│ │ └── main
│ │ │ ├── res
│ │ │ ├── drawable-hdpi
│ │ │ │ └── ic_fp_40px.png
│ │ │ ├── drawable-mdpi
│ │ │ │ └── ic_fp_40px.png
│ │ │ ├── mipmap-hdpi
│ │ │ │ └── ic_launcher.png
│ │ │ ├── mipmap-mdpi
│ │ │ │ └── ic_launcher.png
│ │ │ ├── mipmap-xhdpi
│ │ │ │ └── ic_launcher.png
│ │ │ ├── drawable-xhdpi
│ │ │ │ └── ic_fp_40px.png
│ │ │ ├── drawable-xxhdpi
│ │ │ │ └── ic_fp_40px.png
│ │ │ ├── drawable-xxxhdpi
│ │ │ │ └── ic_fp_40px.png
│ │ │ ├── mipmap-xxhdpi
│ │ │ │ └── ic_launcher.png
│ │ │ ├── mipmap-xxxhdpi
│ │ │ │ └── ic_launcher.png
│ │ │ ├── drawable-nodpi
│ │ │ │ └── android_robot.png
│ │ │ ├── drawable
│ │ │ │ ├── card.xml
│ │ │ │ ├── ic_fingerprint_success.xml
│ │ │ │ └── ic_fingerprint_error.xml
│ │ │ ├── xml
│ │ │ │ └── preferences.xml
│ │ │ ├── values
│ │ │ │ ├── colors.xml
│ │ │ │ ├── dimens.xml
│ │ │ │ └── strings.xml
│ │ │ ├── menu
│ │ │ │ └── menu_main.xml
│ │ │ └── layout
│ │ │ │ ├── fingerprint_dialog_container.xml
│ │ │ │ ├── fingerprint_dialog_content.xml
│ │ │ │ ├── fingerprint_dialog_backup.xml
│ │ │ │ └── activity_main.xml
│ │ │ ├── java
│ │ │ └── com
│ │ │ │ └── example
│ │ │ │ └── android
│ │ │ │ └── fingerprintdialog
│ │ │ │ ├── ActivityExtensions.kt
│ │ │ │ ├── Constants.kt
│ │ │ │ ├── SettingsFragment.kt
│ │ │ │ ├── SettingsActivity.kt
│ │ │ │ ├── FingerprintUiHelper.kt
│ │ │ │ ├── FingerprintAuthenticationDialogFragment.kt
│ │ │ │ └── MainActivity.kt
│ │ │ └── AndroidManifest.xml
│ └── build.gradle
├── build.gradle
├── gradle.properties
├── packaging.yaml
├── .google
│ └── packaging.yaml
├── gradlew.bat
├── README.md
└── gradlew
├── settings.gradle
├── screenshots
├── big-icon.png
├── 1-purchase-screen.png
├── 2-fingerprint-dialog.png
├── 3-fingerprint-authenticated.png
└── 4-new-fingerprint-enrolled.png
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── Application
├── src
│ └── main
│ │ ├── res
│ │ ├── drawable-hdpi
│ │ │ ├── tile.9.png
│ │ │ └── ic_fp_40px.png
│ │ ├── drawable-mdpi
│ │ │ └── ic_fp_40px.png
│ │ ├── mipmap-hdpi
│ │ │ └── ic_launcher.png
│ │ ├── mipmap-mdpi
│ │ │ └── ic_launcher.png
│ │ ├── mipmap-xhdpi
│ │ │ └── ic_launcher.png
│ │ ├── drawable-xhdpi
│ │ │ └── ic_fp_40px.png
│ │ ├── drawable-xxhdpi
│ │ │ └── ic_fp_40px.png
│ │ ├── mipmap-xxhdpi
│ │ │ └── ic_launcher.png
│ │ ├── mipmap-xxxhdpi
│ │ │ └── ic_launcher.png
│ │ ├── drawable-nodpi
│ │ │ └── android_robot.png
│ │ ├── drawable-xxxhdpi
│ │ │ └── ic_fp_40px.png
│ │ ├── values-v21
│ │ │ ├── base-colors.xml
│ │ │ └── base-template-styles.xml
│ │ ├── values-v11
│ │ │ └── template-styles.xml
│ │ ├── values-sw600dp
│ │ │ ├── template-dimens.xml
│ │ │ └── template-styles.xml
│ │ ├── values
│ │ │ ├── colors.xml
│ │ │ ├── base-strings.xml
│ │ │ ├── template-dimens.xml
│ │ │ ├── template-styles.xml
│ │ │ └── strings.xml
│ │ ├── drawable
│ │ │ ├── card.xml
│ │ │ ├── ic_fingerprint_success.xml
│ │ │ └── ic_fingerprint_error.xml
│ │ ├── xml
│ │ │ └── preferences.xml
│ │ ├── menu
│ │ │ └── menu_main.xml
│ │ └── layout
│ │ │ ├── fingerprint_dialog_container.xml
│ │ │ ├── fingerprint_dialog_content.xml
│ │ │ ├── fingerprint_dialog_backup.xml
│ │ │ └── activity_main.xml
│ │ ├── java
│ │ └── com
│ │ │ └── example
│ │ │ └── android
│ │ │ └── fingerprintdialog
│ │ │ ├── SettingsActivity.java
│ │ │ ├── FingerprintUiHelper.java
│ │ │ ├── FingerprintAuthenticationDialogFragment.java
│ │ │ └── MainActivity.java
│ │ └── AndroidManifest.xml
└── build.gradle
├── README.md
├── .google
└── packaging.yaml
├── CONTRIBUTING.md
├── gradlew.bat
├── gradlew
└── LICENSE
/kotlinApp/settings.gradle:
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1 | include 'app'
2 |
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/settings.gradle:
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1 | include 'Application'
2 |
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/screenshots/big-icon.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/screenshots/big-icon.png
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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/gradle/wrapper/gradle-wrapper.jar
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/screenshots/1-purchase-screen.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/screenshots/1-purchase-screen.png
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/kotlinApp/screenshots/big-icon.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/screenshots/big-icon.png
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/screenshots/2-fingerprint-dialog.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/screenshots/2-fingerprint-dialog.png
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/kotlinApp/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/gradle/wrapper/gradle-wrapper.jar
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/kotlinApp/screenshots/1-purchase-screen.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/screenshots/1-purchase-screen.png
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/screenshots/3-fingerprint-authenticated.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/screenshots/3-fingerprint-authenticated.png
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/screenshots/4-new-fingerprint-enrolled.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/screenshots/4-new-fingerprint-enrolled.png
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/kotlinApp/screenshots/2-fingerprint-dialog.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/screenshots/2-fingerprint-dialog.png
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/Application/src/main/res/drawable-hdpi/tile.9.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/Application/src/main/res/drawable-hdpi/tile.9.png
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/Application/src/main/res/drawable-hdpi/ic_fp_40px.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/Application/src/main/res/drawable-hdpi/ic_fp_40px.png
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/Application/src/main/res/drawable-mdpi/ic_fp_40px.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/Application/src/main/res/drawable-mdpi/ic_fp_40px.png
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/Application/src/main/res/mipmap-hdpi/ic_launcher.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/Application/src/main/res/mipmap-hdpi/ic_launcher.png
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/Application/src/main/res/mipmap-mdpi/ic_launcher.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/Application/src/main/res/mipmap-mdpi/ic_launcher.png
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/Application/src/main/res/mipmap-xhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/Application/src/main/res/mipmap-xhdpi/ic_launcher.png
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/kotlinApp/screenshots/3-fingerprint-authenticated.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/screenshots/3-fingerprint-authenticated.png
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/kotlinApp/screenshots/4-new-fingerprint-enrolled.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/screenshots/4-new-fingerprint-enrolled.png
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/Application/src/main/res/drawable-xhdpi/ic_fp_40px.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/Application/src/main/res/drawable-xhdpi/ic_fp_40px.png
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/Application/src/main/res/drawable-xxhdpi/ic_fp_40px.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/Application/src/main/res/drawable-xxhdpi/ic_fp_40px.png
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/Application/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/Application/src/main/res/mipmap-xxhdpi/ic_launcher.png
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/Application/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/Application/src/main/res/mipmap-xxxhdpi/ic_launcher.png
--------------------------------------------------------------------------------
/kotlinApp/app/src/main/res/drawable-hdpi/ic_fp_40px.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/app/src/main/res/drawable-hdpi/ic_fp_40px.png
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/kotlinApp/app/src/main/res/drawable-mdpi/ic_fp_40px.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/app/src/main/res/drawable-mdpi/ic_fp_40px.png
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/kotlinApp/app/src/main/res/mipmap-hdpi/ic_launcher.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/app/src/main/res/mipmap-hdpi/ic_launcher.png
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/kotlinApp/app/src/main/res/mipmap-mdpi/ic_launcher.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/app/src/main/res/mipmap-mdpi/ic_launcher.png
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/kotlinApp/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/app/src/main/res/mipmap-xhdpi/ic_launcher.png
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/Application/src/main/res/drawable-nodpi/android_robot.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/Application/src/main/res/drawable-nodpi/android_robot.png
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/Application/src/main/res/drawable-xxxhdpi/ic_fp_40px.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/Application/src/main/res/drawable-xxxhdpi/ic_fp_40px.png
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/kotlinApp/app/src/main/res/drawable-xhdpi/ic_fp_40px.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/app/src/main/res/drawable-xhdpi/ic_fp_40px.png
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/kotlinApp/app/src/main/res/drawable-xxhdpi/ic_fp_40px.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/app/src/main/res/drawable-xxhdpi/ic_fp_40px.png
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/kotlinApp/app/src/main/res/drawable-xxxhdpi/ic_fp_40px.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/app/src/main/res/drawable-xxxhdpi/ic_fp_40px.png
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/kotlinApp/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
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/kotlinApp/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
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/kotlinApp/app/src/main/res/drawable-nodpi/android_robot.png:
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https://raw.githubusercontent.com/googlearchive/android-FingerprintDialog/master/kotlinApp/app/src/main/res/drawable-nodpi/android_robot.png
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/README.md:
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1 |
2 | Android FingerprintDialog Sample
3 | ================================
4 |
5 | This repo has been migrated to [github.com/android/security][1]. Please check that repo for future updates. Thank you!
6 |
7 | [1]: https://github.com/android/security
8 |
9 |
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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Mon Apr 27 11:28:32 JST 2015
2 | distributionBase=GRADLE_USER_HOME
3 | distributionPath=wrapper/dists
4 | zipStoreBase=GRADLE_USER_HOME
5 | zipStorePath=wrapper/dists
6 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
7 |
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/kotlinApp/gradle/wrapper/gradle-wrapper.properties:
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1 | #Mon Oct 16 16:01:34 PDT 2017
2 | distributionBase=GRADLE_USER_HOME
3 | distributionPath=wrapper/dists
4 | zipStoreBase=GRADLE_USER_HOME
5 | zipStorePath=wrapper/dists
6 | distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
7 |
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/kotlinApp/build.gradle:
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1 | buildscript {
2 | ext.kotlin_version = '1.1.60'
3 | repositories {
4 | google()
5 | jcenter()
6 | }
7 | dependencies {
8 | classpath 'com.android.tools.build:gradle:3.0.0'
9 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
10 | }
11 | }
12 |
13 | allprojects {
14 | repositories {
15 | google()
16 | jcenter()
17 | }
18 | }
19 |
20 | task clean(type: Delete) {
21 | delete rootProject.buildDir
22 | }
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/Application/src/main/res/values-v21/base-colors.xml:
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1 |
2 |
17 |
18 |
19 |
20 |
21 |
22 |
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/kotlinApp/app/build.gradle:
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1 | apply plugin: 'com.android.application'
2 | apply plugin: 'kotlin-android'
3 | apply plugin: 'kotlin-android-extensions'
4 |
5 | android {
6 | compileSdkVersion 27
7 | defaultConfig {
8 | applicationId "com.example.android.fingerprintdialog"
9 | minSdkVersion 24
10 | targetSdkVersion 27
11 | versionCode 1
12 | versionName "1.0"
13 | }
14 | buildTypes {
15 | release {
16 | minifyEnabled false
17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
18 | }
19 | }
20 | }
21 |
22 | dependencies {
23 | implementation "com.android.support:appcompat-v7:27.0.0"
24 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
25 | }
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/kotlinApp/gradle.properties:
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1 | # Project-wide Gradle settings.
2 |
3 | # IDE (e.g. Android Studio) users:
4 | # Gradle settings configured through the IDE *will override*
5 | # any settings specified in this file.
6 |
7 | # For more details on how to configure your build environment visit
8 | # http://www.gradle.org/docs/current/userguide/build_environment.html
9 |
10 | # Specifies the JVM arguments used for the daemon process.
11 | # The setting is particularly useful for tweaking memory settings.
12 | org.gradle.jvmargs=-Xmx1536m
13 |
14 | # When configured, Gradle will run in incubating parallel mode.
15 | # This option should only be used with decoupled projects. More details, visit
16 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
17 | # org.gradle.parallel=true
18 |
19 |
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/Application/src/main/res/values-v11/template-styles.xml:
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1 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
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/Application/src/main/res/values-v21/base-template-styles.xml:
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1 |
2 |
17 |
18 |
19 |
20 |
21 |
23 |
24 |
25 |
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/.google/packaging.yaml:
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1 |
2 | # GOOGLE SAMPLE PACKAGING DATA
3 | #
4 | # This file is used by Google as part of our samples packaging process.
5 | # End users may safely ignore this file. It has no relevance to other systems.
6 | ---
7 | status: PUBLISHED
8 | technologies: [Android]
9 | categories: [security]
10 | languages: [Java]
11 | solutions: [Mobile]
12 | github: android-FingerprintDialog
13 | level: INTERMEDIATE
14 | icon: screenshots/big-icon.png
15 | apiRefs:
16 | - android:android.hardware.fingerprint.FingerprintManager
17 | - android:android.hardware.fingerprint.FingerprintManager.AuthenticationCallback
18 | - android:android.hardware.fingerprint.FingerprintManager.CryptoObject
19 | - android:android.security.KeyGenParameterSpec
20 | - android:java.security.KeyStore
21 | - android:javax.crypto.Cipher
22 | - android:javax.crypto.KeyGenerator
23 | license: apache2
24 |
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/kotlinApp/packaging.yaml:
--------------------------------------------------------------------------------
1 |
2 | # GOOGLE SAMPLE PACKAGING DATA
3 | #
4 | # This file is used by Google as part of our samples packaging process.
5 | # End users may safely ignore this file. It has no relevance to other systems.
6 | ---
7 | status: PUBLISHED
8 | technologies: [Android]
9 | categories: [security]
10 | languages: [Kotlin]
11 | solutions: [Mobile]
12 | github: android-FingerprintDialog
13 | level: INTERMEDIATE
14 | icon: screenshots/big-icon.png
15 | apiRefs:
16 | - android:android.hardware.fingerprint.FingerprintManager
17 | - android:android.hardware.fingerprint.FingerprintManager.AuthenticationCallback
18 | - android:android.hardware.fingerprint.FingerprintManager.CryptoObject
19 | - android:android.security.KeyGenParameterSpec
20 | - android:java.security.KeyStore
21 | - android:javax.crypto.Cipher
22 | - android:javax.crypto.KeyGenerator
23 | license: apache2
24 |
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/kotlinApp/.google/packaging.yaml:
--------------------------------------------------------------------------------
1 |
2 | # GOOGLE SAMPLE PACKAGING DATA
3 | #
4 | # This file is used by Google as part of our samples packaging process.
5 | # End users may safely ignore this file. It has no relevance to other systems.
6 | ---
7 | status: PUBLISHED
8 | technologies: [Android]
9 | categories: [security]
10 | languages: [Kotlin]
11 | solutions: [Mobile]
12 | github: android-FingerprintDialog
13 | level: INTERMEDIATE
14 | icon: screenshots/big-icon.png
15 | apiRefs:
16 | - android:android.hardware.fingerprint.FingerprintManager
17 | - android:android.hardware.fingerprint.FingerprintManager.AuthenticationCallback
18 | - android:android.hardware.fingerprint.FingerprintManager.CryptoObject
19 | - android:android.security.KeyGenParameterSpec
20 | - android:java.security.KeyStore
21 | - android:javax.crypto.Cipher
22 | - android:javax.crypto.KeyGenerator
23 | license: apache2
24 |
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/Application/src/main/res/values-sw600dp/template-dimens.xml:
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1 |
16 |
17 |
18 |
19 |
20 |
21 | @dimen/margin_huge
22 | @dimen/margin_medium
23 |
24 |
25 |
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/Application/src/main/res/values/colors.xml:
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1 |
2 |
17 |
18 | #f4511e
19 | #42000000
20 | #009688
21 |
22 |
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/Application/src/main/res/drawable/card.xml:
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1 |
2 |
17 |
18 |
19 |
21 |
22 |
24 |
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/kotlinApp/app/src/main/res/drawable/card.xml:
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1 |
2 |
17 |
18 |
19 |
21 |
22 |
24 |
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/kotlinApp/app/src/main/java/com/example/android/fingerprintdialog/ActivityExtensions.kt:
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1 | /*
2 | * Copyright 2017 The Android Open Source Project
3 | *
4 | * Licensed under the Apache License, Version 2.0 (the "License");
5 | * you may not use this file except in compliance with the License.
6 | * You may obtain a copy of the License at
7 | *
8 | * http://www.apache.org/licenses/LICENSE-2.0
9 | *
10 | * Unless required by applicable law or agreed to in writing, software
11 | * distributed under the License is distributed on an "AS IS" BASIS,
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 | * See the License for the specific language governing permissions and
14 | * limitations under the License.
15 | */
16 |
17 | package com.example.android.fingerprintdialog
18 |
19 | import android.support.v7.app.AppCompatActivity
20 | import android.widget.Toast
21 |
22 | fun AppCompatActivity.showToast(text: String) {
23 | Toast.makeText(this, text, Toast.LENGTH_LONG).show()
24 | }
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/Application/src/main/res/values-sw600dp/template-styles.xml:
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1 |
16 |
17 |
18 |
19 |
24 |
25 |
26 |
--------------------------------------------------------------------------------
/kotlinApp/app/src/main/java/com/example/android/fingerprintdialog/Constants.kt:
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1 | /*
2 | * Copyright 2017 The Android Open Source Project
3 | *
4 | * Licensed under the Apache License, Version 2.0 (the "License");
5 | * you may not use this file except in compliance with the License.
6 | * You may obtain a copy of the License at
7 | *
8 | * http://www.apache.org/licenses/LICENSE-2.0
9 | *
10 | * Unless required by applicable law or agreed to in writing, software
11 | * distributed under the License is distributed on an "AS IS" BASIS,
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 | * See the License for the specific language governing permissions and
14 | * limitations under the License.
15 | */
16 |
17 | @file:JvmName("Constants")
18 |
19 | package com.example.android.fingerprintdialog
20 |
21 | @JvmField val DEFAULT_KEY_NAME = "default_key"
22 |
23 | /**
24 | * Enumeration to indicate which authentication method the user is trying to authenticate with.
25 | */
26 | enum class Stage { FINGERPRINT, NEW_FINGERPRINT_ENROLLED, PASSWORD }
27 |
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/Application/src/main/res/xml/preferences.xml:
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1 |
2 |
17 |
18 |
23 |
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/kotlinApp/app/src/main/res/xml/preferences.xml:
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1 |
2 |
17 |
18 |
23 |
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/Application/src/main/res/values/base-strings.xml:
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1 |
2 |
17 |
18 |
19 | FingerprintDialog
20 |
21 |
29 |
30 |
31 |
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/kotlinApp/app/src/main/java/com/example/android/fingerprintdialog/SettingsFragment.kt:
--------------------------------------------------------------------------------
1 | /*
2 | * Copyright (C) 2017 The Android Open Source Project
3 | *
4 | * Licensed under the Apache License, Version 2.0 (the "License");
5 | * you may not use this file except in compliance with the License.
6 | * You may obtain a copy of the License at
7 | *
8 | * http://www.apache.org/licenses/LICENSE-2.0
9 | *
10 | * Unless required by applicable law or agreed to in writing, software
11 | * distributed under the License is distributed on an "AS IS" BASIS,
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 | * See the License for the specific language governing permissions and
14 | * limitations under the License
15 | */
16 |
17 | package com.example.android.fingerprintdialog
18 |
19 | import android.os.Bundle
20 | import android.preference.PreferenceFragment
21 |
22 | class SettingsFragment : PreferenceFragment() {
23 |
24 | override fun onCreate(savedInstanceState: Bundle?) {
25 | super.onCreate(savedInstanceState)
26 | addPreferencesFromResource(R.xml.preferences)
27 | }
28 |
29 | }
30 |
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/kotlinApp/app/src/main/res/values/colors.xml:
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1 |
2 |
17 |
18 | #f4511e
19 | #42000000
20 | #009688
21 | #009688
22 | #F4511E
23 | #FFFFFF
24 | #fefefe
25 |
26 |
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/Application/src/main/res/menu/menu_main.xml:
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1 |
16 |
26 |
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/kotlinApp/app/src/main/res/menu/menu_main.xml:
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1 |
2 |
17 |
27 |
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/kotlinApp/app/src/main/java/com/example/android/fingerprintdialog/SettingsActivity.kt:
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1 | /*
2 | * Copyright (C) 2017 The Android Open Source Project
3 | *
4 | * Licensed under the Apache License, Version 2.0 (the "License");
5 | * you may not use this file except in compliance with the License.
6 | * You may obtain a copy of the License at
7 | *
8 | * http://www.apache.org/licenses/LICENSE-2.0
9 | *
10 | * Unless required by applicable law or agreed to in writing, software
11 | * distributed under the License is distributed on an "AS IS" BASIS,
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 | * See the License for the specific language governing permissions and
14 | * limitations under the License
15 | */
16 |
17 | package com.example.android.fingerprintdialog
18 |
19 | import android.os.Bundle
20 | import android.support.v7.app.AppCompatActivity
21 |
22 | class SettingsActivity : AppCompatActivity() {
23 |
24 | override fun onCreate(savedInstanceState: Bundle?) {
25 | super.onCreate(savedInstanceState)
26 | fragmentManager.beginTransaction()
27 | .replace(android.R.id.content, SettingsFragment())
28 | .commit()
29 | }
30 |
31 | }
32 |
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/Application/src/main/res/values/template-dimens.xml:
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1 |
16 |
17 |
18 |
19 |
20 |
21 | 4dp
22 | 8dp
23 | 16dp
24 | 32dp
25 | 64dp
26 |
27 |
28 |
29 | @dimen/margin_medium
30 | @dimen/margin_medium
31 |
32 |
33 |
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/Application/src/main/res/drawable/ic_fingerprint_success.xml:
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1 |
2 |
17 |
22 |
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28 |
29 |
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/Application/src/main/res/drawable/ic_fingerprint_error.xml:
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1 |
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/kotlinApp/app/src/main/res/drawable/ic_fingerprint_success.xml:
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1 |
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/kotlinApp/app/src/main/res/drawable/ic_fingerprint_error.xml:
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1 |
2 |
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22 |
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28 |
29 |
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/Application/src/main/res/values/template-styles.xml:
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1 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
34 |
35 |
41 |
42 |
43 |
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/Application/build.gradle:
--------------------------------------------------------------------------------
1 |
2 | buildscript {
3 | repositories {
4 | jcenter()
5 | google()
6 | }
7 |
8 | dependencies {
9 | classpath 'com.android.tools.build:gradle:3.0.1'
10 | }
11 | }
12 |
13 | apply plugin: 'com.android.application'
14 |
15 | repositories {
16 | jcenter()
17 | google()
18 | }
19 |
20 | dependencies {
21 | compile "com.android.support:support-v4:27.0.2"
22 | compile "com.android.support:support-v13:27.0.2"
23 | compile "com.android.support:cardview-v7:27.0.2"
24 | compile "com.android.support:appcompat-v7:27.0.2"
25 | }
26 |
27 | // The sample build uses multiple directories to
28 | // keep boilerplate and common code separate from
29 | // the main sample code.
30 | List dirs = [
31 | 'main', // main sample code; look here for the interesting stuff.
32 | 'common', // components that are reused by multiple samples
33 | 'template'] // boilerplate code that is generated by the sample template process
34 |
35 | android {
36 | compileSdkVersion 26
37 |
38 | buildToolsVersion "27.0.2"
39 |
40 | defaultConfig {
41 | minSdkVersion 23
42 | targetSdkVersion 26
43 | }
44 |
45 | compileOptions {
46 | sourceCompatibility JavaVersion.VERSION_1_7
47 | targetCompatibility JavaVersion.VERSION_1_7
48 | }
49 |
50 | sourceSets {
51 | main {
52 | dirs.each { dir ->
53 | java.srcDirs "src/${dir}/java"
54 | res.srcDirs "src/${dir}/res"
55 | }
56 | }
57 | androidTest.setRoot('tests')
58 | androidTest.java.srcDirs = ['tests/src']
59 |
60 | }
61 |
62 | }
63 |
--------------------------------------------------------------------------------
/CONTRIBUTING.md:
--------------------------------------------------------------------------------
1 | # How to become a contributor and submit your own code
2 |
3 | ## Contributor License Agreements
4 |
5 | We'd love to accept your sample apps and patches! Before we can take them, we
6 | have to jump a couple of legal hurdles.
7 |
8 | Please fill out either the individual or corporate Contributor License Agreement (CLA).
9 |
10 | * If you are an individual writing original source code and you're sure you
11 | own the intellectual property, then you'll need to sign an [individual CLA]
12 | (https://cla.developers.google.com).
13 | * If you work for a company that wants to allow you to contribute your work,
14 | then you'll need to sign a [corporate CLA]
15 | (https://cla.developers.google.com).
16 |
17 | Follow either of the two links above to access the appropriate CLA and
18 | instructions for how to sign and return it. Once we receive it, we'll be able to
19 | accept your pull requests.
20 |
21 | ## Contributing A Patch
22 |
23 | 1. Submit an issue describing your proposed change to the repo in question.
24 | 1. The repo owner will respond to your issue promptly.
25 | 1. If your proposed change is accepted, and you haven't already done so, sign a
26 | Contributor License Agreement (see details above).
27 | 1. Fork the desired repo, develop and test your code changes.
28 | 1. Ensure that your code adheres to the existing style in the sample to which
29 | you are contributing. Refer to the
30 | [Android Code Style Guide]
31 | (https://source.android.com/source/code-style.html) for the
32 | recommended coding standards for this organization.
33 | 1. Ensure that your code has an appropriate set of unit tests which all pass.
34 | 1. Submit a pull request.
35 |
36 |
--------------------------------------------------------------------------------
/Application/src/main/java/com/example/android/fingerprintdialog/SettingsActivity.java:
--------------------------------------------------------------------------------
1 | /*
2 | * Copyright (C) 2015 The Android Open Source Project
3 | *
4 | * Licensed under the Apache License, Version 2.0 (the "License");
5 | * you may not use this file except in compliance with the License.
6 | * You may obtain a copy of the License at
7 | *
8 | * http://www.apache.org/licenses/LICENSE-2.0
9 | *
10 | * Unless required by applicable law or agreed to in writing, software
11 | * distributed under the License is distributed on an "AS IS" BASIS,
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 | * See the License for the specific language governing permissions and
14 | * limitations under the License
15 | */
16 |
17 | package com.example.android.fingerprintdialog;
18 |
19 | import android.os.Bundle;
20 | import android.preference.PreferenceFragment;
21 | import android.support.v7.app.AppCompatActivity;
22 |
23 | public class SettingsActivity extends AppCompatActivity {
24 |
25 | @Override
26 | protected void onCreate(Bundle savedInstanceState) {
27 | super.onCreate(savedInstanceState);
28 |
29 | // Display the fragment as the main content.
30 | getFragmentManager().beginTransaction().replace(android.R.id.content,
31 | new SettingsFragment()).commit();
32 | }
33 |
34 | /**
35 | * Fragment for settings.
36 | */
37 | public static class SettingsFragment extends PreferenceFragment {
38 |
39 | @Override
40 | public void onCreate(Bundle savedInstanceState) {
41 | super.onCreate(savedInstanceState);
42 | addPreferencesFromResource(R.xml.preferences);
43 | }
44 | }
45 | }
46 |
47 |
48 |
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/kotlinApp/app/src/main/res/values/dimens.xml:
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1 |
2 |
17 |
18 | 40dp
19 | 40.0
20 | 2dp
21 | 4dp
22 | 150dp
23 | 32dp
24 | 16dp
25 | 16dp
26 | 4dp
27 | 8dp
28 | 12dp
29 | 4dp
30 | 24dp
31 | 8dp
32 | 20dp
33 | 16dp
34 | 24dp
35 |
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/Application/src/main/AndroidManifest.xml:
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1 |
16 |
21 |
22 |
23 |
24 |
31 |
32 |
36 |
37 |
38 |
39 |
40 |
41 |
42 |
46 |
47 |
48 |
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/kotlinApp/app/src/main/AndroidManifest.xml:
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1 |
2 |
17 |
22 |
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24 |
25 |
32 |
33 |
37 |
38 |
39 |
40 |
41 |
42 |
43 |
47 |
48 |
49 |
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/Application/src/main/res/layout/fingerprint_dialog_container.xml:
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1 |
2 |
17 |
21 |
22 |
25 |
26 |
27 |
28 |
31 |
32 |
33 |
34 |
45 |
46 |
52 |
57 |
58 |
63 |
64 |
65 |
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/kotlinApp/gradlew.bat:
--------------------------------------------------------------------------------
1 | @if "%DEBUG%" == "" @echo off
2 | @rem ##########################################################################
3 | @rem
4 | @rem Gradle startup script for Windows
5 | @rem
6 | @rem ##########################################################################
7 |
8 | @rem Set local scope for the variables with windows NT shell
9 | if "%OS%"=="Windows_NT" setlocal
10 |
11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
12 | set DEFAULT_JVM_OPTS=
13 |
14 | set DIRNAME=%~dp0
15 | if "%DIRNAME%" == "" set DIRNAME=.
16 | set APP_BASE_NAME=%~n0
17 | set APP_HOME=%DIRNAME%
18 |
19 | @rem Find java.exe
20 | if defined JAVA_HOME goto findJavaFromJavaHome
21 |
22 | set JAVA_EXE=java.exe
23 | %JAVA_EXE% -version >NUL 2>&1
24 | if "%ERRORLEVEL%" == "0" goto init
25 |
26 | echo.
27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
28 | echo.
29 | echo Please set the JAVA_HOME variable in your environment to match the
30 | echo location of your Java installation.
31 |
32 | goto fail
33 |
34 | :findJavaFromJavaHome
35 | set JAVA_HOME=%JAVA_HOME:"=%
36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
37 |
38 | if exist "%JAVA_EXE%" goto init
39 |
40 | echo.
41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
42 | echo.
43 | echo Please set the JAVA_HOME variable in your environment to match the
44 | echo location of your Java installation.
45 |
46 | goto fail
47 |
48 | :init
49 | @rem Get command-line arguments, handling Windowz variants
50 |
51 | if not "%OS%" == "Windows_NT" goto win9xME_args
52 | if "%@eval[2+2]" == "4" goto 4NT_args
53 |
54 | :win9xME_args
55 | @rem Slurp the command line arguments.
56 | set CMD_LINE_ARGS=
57 | set _SKIP=2
58 |
59 | :win9xME_args_slurp
60 | if "x%~1" == "x" goto execute
61 |
62 | set CMD_LINE_ARGS=%*
63 | goto execute
64 |
65 | :4NT_args
66 | @rem Get arguments from the 4NT Shell from JP Software
67 | set CMD_LINE_ARGS=%$
68 |
69 | :execute
70 | @rem Setup the command line
71 |
72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
73 |
74 | @rem Execute Gradle
75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
76 |
77 | :end
78 | @rem End local scope for the variables with windows NT shell
79 | if "%ERRORLEVEL%"=="0" goto mainEnd
80 |
81 | :fail
82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
83 | rem the _cmd.exe /c_ return code!
84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
85 | exit /b 1
86 |
87 | :mainEnd
88 | if "%OS%"=="Windows_NT" endlocal
89 |
90 | :omega
91 |
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/Application/src/main/res/layout/fingerprint_dialog_content.xml:
--------------------------------------------------------------------------------
1 |
2 |
17 |
25 |
26 |
35 |
36 |
37 |
46 |
47 |
59 |
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/kotlinApp/app/src/main/res/layout/fingerprint_dialog_container.xml:
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1 |
2 |
17 |
21 |
22 |
25 |
26 |
27 |
28 |
31 |
32 |
33 |
34 |
45 |
46 |
52 |
57 |
58 |
63 |
64 |
65 |
--------------------------------------------------------------------------------
/gradlew.bat:
--------------------------------------------------------------------------------
1 | @if "%DEBUG%" == "" @echo off
2 | @rem ##########################################################################
3 | @rem
4 | @rem Gradle startup script for Windows
5 | @rem
6 | @rem ##########################################################################
7 |
8 | @rem Set local scope for the variables with windows NT shell
9 | if "%OS%"=="Windows_NT" setlocal
10 |
11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
12 | set DEFAULT_JVM_OPTS=
13 |
14 | set DIRNAME=%~dp0
15 | if "%DIRNAME%" == "" set DIRNAME=.
16 | set APP_BASE_NAME=%~n0
17 | set APP_HOME=%DIRNAME%
18 |
19 | @rem Find java.exe
20 | if defined JAVA_HOME goto findJavaFromJavaHome
21 |
22 | set JAVA_EXE=java.exe
23 | %JAVA_EXE% -version >NUL 2>&1
24 | if "%ERRORLEVEL%" == "0" goto init
25 |
26 | echo.
27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
28 | echo.
29 | echo Please set the JAVA_HOME variable in your environment to match the
30 | echo location of your Java installation.
31 |
32 | goto fail
33 |
34 | :findJavaFromJavaHome
35 | set JAVA_HOME=%JAVA_HOME:"=%
36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
37 |
38 | if exist "%JAVA_EXE%" goto init
39 |
40 | echo.
41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
42 | echo.
43 | echo Please set the JAVA_HOME variable in your environment to match the
44 | echo location of your Java installation.
45 |
46 | goto fail
47 |
48 | :init
49 | @rem Get command-line arguments, handling Windowz variants
50 |
51 | if not "%OS%" == "Windows_NT" goto win9xME_args
52 | if "%@eval[2+2]" == "4" goto 4NT_args
53 |
54 | :win9xME_args
55 | @rem Slurp the command line arguments.
56 | set CMD_LINE_ARGS=
57 | set _SKIP=2
58 |
59 | :win9xME_args_slurp
60 | if "x%~1" == "x" goto execute
61 |
62 | set CMD_LINE_ARGS=%*
63 | goto execute
64 |
65 | :4NT_args
66 | @rem Get arguments from the 4NT Shell from JP Software
67 | set CMD_LINE_ARGS=%$
68 |
69 | :execute
70 | @rem Setup the command line
71 |
72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
73 |
74 | @rem Execute Gradle
75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
76 |
77 | :end
78 | @rem End local scope for the variables with windows NT shell
79 | if "%ERRORLEVEL%"=="0" goto mainEnd
80 |
81 | :fail
82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
83 | rem the _cmd.exe /c_ return code!
84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
85 | exit /b 1
86 |
87 | :mainEnd
88 | if "%OS%"=="Windows_NT" endlocal
89 |
90 | :omega
91 |
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/kotlinApp/app/src/main/res/layout/fingerprint_dialog_content.xml:
--------------------------------------------------------------------------------
1 |
2 |
17 |
25 |
26 |
35 |
36 |
45 |
46 |
58 |
59 |
--------------------------------------------------------------------------------
/Application/src/main/res/values/strings.xml:
--------------------------------------------------------------------------------
1 |
2 |
17 |
18 |
23 | FingerprintDialog
24 | Settings
25 | Cancel
26 | Use password
27 | Sign in
28 | OK
29 | Password
30 | Confirm fingerprint to continue
31 | Touch sensor
32 | Enter your store password to continue
33 | Purchase
34 | Purchase not invalidated
35 |
36 | You can proceed to purchase with this button \n even if a new fingerprint is enrolled
37 |
38 | Fingerprint not recognized. Try again
39 | Fingerprint recognized
40 | White Mesh Pluto Backpack
41 | $62.68
42 | Mesh backpack in white. Black textile trim throughout.
43 | Purchase successful
44 | A new fingerprint was added to this device, so your password is required.
45 | Use fingerprint in the future
46 | Use fingerprint to authenticate
47 | use_fingerprint_to_authenticate_key
48 | Android bugdroid image
49 | Fingerprint icon
50 |
51 |
--------------------------------------------------------------------------------
/kotlinApp/app/src/main/res/values/strings.xml:
--------------------------------------------------------------------------------
1 |
2 |
17 |
18 |
23 | FingerprintDialog
24 | Settings
25 | Cancel
26 | Use password
27 | Sign in
28 | OK
29 | Password
30 | Confirm fingerprint to continue
31 | Touch sensor
32 | Enter your store password to continue
33 | Purchase
34 | Purchase not invalidated
35 |
36 | You can proceed to purchase with this button \n even if a new fingerprint is enrolled
37 |
38 | Fingerprint not recognized. Try again
39 | Fingerprint recognized
40 | White Mesh Pluto Backpack
41 | $62.68
42 | Mesh backpack in white. Black textile trim throughout.
43 | Purchase successful
44 |
45 | A new fingerprint was added to this device, so your password is required.
46 |
47 | Use fingerprint in the future
48 | Use fingerprint to authenticate
49 | use_fingerprint_to_authenticate_key
50 | Android bugdroid image
51 | Fingerprint icon
52 |
53 | Go to \'Settings -> Security -> Fingerprint\' and register at least one fingerprint
54 |
55 |
56 | Secure lock screen hasn\'t set been up.\n
57 | Go to \'Settings -> Security -> Fingerprint\' to set up a fingerprint
58 |
59 |
60 |
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/Application/src/main/res/layout/fingerprint_dialog_backup.xml:
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1 |
2 |
17 |
23 |
24 |
33 |
40 |
41 |
49 |
50 |
51 |
64 |
65 |
77 |
78 |
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/kotlinApp/app/src/main/res/layout/fingerprint_dialog_backup.xml:
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1 |
2 |
17 |
23 |
24 |
32 |
33 |
40 |
41 |
49 |
50 |
51 |
64 |
65 |
77 |
78 |
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/kotlinApp/README.md:
--------------------------------------------------------------------------------
1 |
2 | Android FingerprintDialog Sample (Kotlin)
3 | =========================================
4 |
5 | A sample that demonstrates to use registered fingerprints to authenticate the user in your app
6 |
7 | Introduction
8 | ------------
9 |
10 | This sample demonstrates how you can use registered fingerprints in your app to authenticate the
11 | user before proceeding some actions such as purchasing an item.
12 |
13 | First you need to create a symmetric key in the Android Key Store using [KeyGenerator][1]
14 | which can be only be used after the user has authenticated with fingerprint and pass
15 | a [KeyGenParameterSpec][2].
16 |
17 | By setting [KeyGenParameterSpec.Builder.setUserAuthenticationRequired][3] to true, you can permit
18 | the use of the key only after the user authenticate it including when authenticated with the user's
19 | fingerprint.
20 |
21 | Then start listening to a fingerprint on the fingerprint sensor by calling
22 | [FingerprintManager.authenticate][4] with a [Cipher][5] initialized with the symmetric key created.
23 | Or alternatively you can fall back to server-side verified password as an authenticator.
24 |
25 | Once the fingerprint (or password) is verified, the
26 | [FingerprintManager.AuthenticationCallback#onAuthenticationSucceeded()][6] callback is called.
27 |
28 | [1]: https://developer.android.com/reference/javax/crypto/KeyGenerator.html
29 | [2]: https://developer.android.com/reference/android/security/keystore/KeyGenParameterSpec.html
30 | [3]: https://developer.android.com/reference/android/security/keystore/KeyGenParameterSpec.Builder.html#setUserAuthenticationRequired%28boolean%29
31 | [4]: https://developer.android.com/reference/android/hardware/fingerprint/FingerprintManager.html#authenticate%28android.hardware.fingerprint.FingerprintManager.CryptoObject,%20android.os.CancellationSignal,%20int,%20android.hardware.fingerprint.FingerprintManager.AuthenticationCallback,%20android.os.Handler%29
32 | [5]: https://developer.android.com/reference/javax/crypto/Cipher.html
33 | [6]: https://developer.android.com/reference/android/hardware/fingerprint/FingerprintManager.AuthenticationCallback.html#onAuthenticationSucceeded%28android.hardware.fingerprint.FingerprintManager.AuthenticationResult%29
34 |
35 | Pre-requisites
36 | --------------
37 |
38 | - Android SDK 27
39 | - Android Support Repository
40 |
41 | Screenshots
42 | -------------
43 |
44 | 
45 | 
46 | 
47 | 
48 |
49 | Getting Started
50 | ---------------
51 |
52 | This sample uses the Gradle build system. To build this project, use the
53 | "gradlew build" command or use "Import Project" in Android Studio.
54 |
55 | Support
56 | -------
57 |
58 | - Google+ Community: https://plus.google.com/communities/105153134372062985968
59 | - Stack Overflow: http://stackoverflow.com/questions/tagged/android
60 |
61 | If you've found an error in this sample, please file an issue:
62 | https://github.com/googlesamples/android-FingerprintDialog
63 |
64 | Patches are encouraged, and may be submitted by forking this project and
65 | submitting a pull request through GitHub. Please see CONTRIBUTING.md for more details.
66 |
67 | License
68 | -------
69 |
70 | Copyright 2017 The Android Open Source Project, Inc.
71 |
72 | Licensed to the Apache Software Foundation (ASF) under one or more contributor
73 | license agreements. See the NOTICE file distributed with this work for
74 | additional information regarding copyright ownership. The ASF licenses this
75 | file to you under the Apache License, Version 2.0 (the "License"); you may not
76 | use this file except in compliance with the License. You may obtain a copy of
77 | the License at
78 |
79 | http://www.apache.org/licenses/LICENSE-2.0
80 |
81 | Unless required by applicable law or agreed to in writing, software
82 | distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
83 | WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
84 | License for the specific language governing permissions and limitations under
85 | the License.
86 |
--------------------------------------------------------------------------------
/kotlinApp/app/src/main/java/com/example/android/fingerprintdialog/FingerprintUiHelper.kt:
--------------------------------------------------------------------------------
1 | /*
2 | * Copyright (C) 2017 The Android Open Source Project
3 | *
4 | * Licensed under the Apache License, Version 2.0 (the "License");
5 | * you may not use this file except in compliance with the License.
6 | * You may obtain a copy of the License at
7 | *
8 | * http://www.apache.org/licenses/LICENSE-2.0
9 | *
10 | * Unless required by applicable law or agreed to in writing, software
11 | * distributed under the License is distributed on an "AS IS" BASIS,
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 | * See the License for the specific language governing permissions and
14 | * limitations under the License
15 | */
16 |
17 | package com.example.android.fingerprintdialog
18 |
19 | import android.hardware.fingerprint.FingerprintManager
20 | import android.os.CancellationSignal
21 | import android.widget.ImageView
22 | import android.widget.TextView
23 |
24 | /**
25 | * Small helper class to manage text/icon around fingerprint authentication UI.
26 | */
27 | class FingerprintUiHelper
28 |
29 | /**
30 | * Constructor for [FingerprintUiHelper].
31 | */
32 | internal constructor(private val fingerprintMgr: FingerprintManager,
33 | private val icon: ImageView,
34 | private val errorTextView: TextView,
35 | private val callback: Callback
36 | ) : FingerprintManager.AuthenticationCallback() {
37 |
38 | private var cancellationSignal: CancellationSignal? = null
39 | private var selfCancelled = false
40 |
41 | val isFingerprintAuthAvailable: Boolean
42 | get() = fingerprintMgr.isHardwareDetected && fingerprintMgr.hasEnrolledFingerprints()
43 |
44 | private val resetErrorTextRunnable = Runnable {
45 | icon.setImageResource(R.drawable.ic_fp_40px)
46 | errorTextView.run {
47 | setTextColor(errorTextView.resources.getColor(R.color.hint_color, null))
48 | text = errorTextView.resources.getString(R.string.fingerprint_hint)
49 | }
50 | }
51 |
52 | fun startListening(cryptoObject: FingerprintManager.CryptoObject) {
53 | if (!isFingerprintAuthAvailable) return
54 | cancellationSignal = CancellationSignal()
55 | selfCancelled = false
56 | fingerprintMgr.authenticate(cryptoObject, cancellationSignal, 0, this, null)
57 | icon.setImageResource(R.drawable.ic_fp_40px)
58 | }
59 |
60 | fun stopListening() {
61 | cancellationSignal?.also {
62 | selfCancelled = true
63 | it.cancel()
64 | }
65 | cancellationSignal = null
66 | }
67 |
68 | override fun onAuthenticationError(errMsgId: Int, errString: CharSequence) {
69 | if (!selfCancelled) {
70 | showError(errString)
71 | icon.postDelayed({ callback.onError() }, ERROR_TIMEOUT_MILLIS)
72 | }
73 | }
74 |
75 | override fun onAuthenticationHelp(helpMsgId: Int, helpString: CharSequence) =
76 | showError(helpString)
77 |
78 | override fun onAuthenticationFailed() =
79 | showError(icon.resources.getString(R.string.fingerprint_not_recognized))
80 |
81 | override fun onAuthenticationSucceeded(result: FingerprintManager.AuthenticationResult) {
82 | errorTextView.run {
83 | removeCallbacks(resetErrorTextRunnable)
84 | setTextColor(errorTextView.resources.getColor(R.color.success_color, null))
85 | text = errorTextView.resources.getString(R.string.fingerprint_success)
86 | }
87 | icon.run {
88 | setImageResource(R.drawable.ic_fingerprint_success)
89 | postDelayed({ callback.onAuthenticated() }, SUCCESS_DELAY_MILLIS)
90 | }
91 | }
92 |
93 | private fun showError(error: CharSequence) {
94 | icon.setImageResource(R.drawable.ic_fingerprint_error)
95 | errorTextView.run {
96 | text = error
97 | setTextColor(errorTextView.resources.getColor(R.color.warning_color, null))
98 | removeCallbacks(resetErrorTextRunnable)
99 | postDelayed(resetErrorTextRunnable, ERROR_TIMEOUT_MILLIS)
100 | }
101 | }
102 |
103 | interface Callback {
104 | fun onAuthenticated()
105 | fun onError()
106 | }
107 |
108 | companion object {
109 | val ERROR_TIMEOUT_MILLIS: Long = 1600
110 | val SUCCESS_DELAY_MILLIS: Long = 1300
111 | }
112 | }
113 |
--------------------------------------------------------------------------------
/gradlew:
--------------------------------------------------------------------------------
1 | #!/usr/bin/env bash
2 |
3 | ##############################################################################
4 | ##
5 | ## Gradle start up script for UN*X
6 | ##
7 | ##############################################################################
8 |
9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
10 | DEFAULT_JVM_OPTS=""
11 |
12 | APP_NAME="Gradle"
13 | APP_BASE_NAME=`basename "$0"`
14 |
15 | # Use the maximum available, or set MAX_FD != -1 to use that value.
16 | MAX_FD="maximum"
17 |
18 | warn ( ) {
19 | echo "$*"
20 | }
21 |
22 | die ( ) {
23 | echo
24 | echo "$*"
25 | echo
26 | exit 1
27 | }
28 |
29 | # OS specific support (must be 'true' or 'false').
30 | cygwin=false
31 | msys=false
32 | darwin=false
33 | case "`uname`" in
34 | CYGWIN* )
35 | cygwin=true
36 | ;;
37 | Darwin* )
38 | darwin=true
39 | ;;
40 | MINGW* )
41 | msys=true
42 | ;;
43 | esac
44 |
45 | # For Cygwin, ensure paths are in UNIX format before anything is touched.
46 | if $cygwin ; then
47 | [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
48 | fi
49 |
50 | # Attempt to set APP_HOME
51 | # Resolve links: $0 may be a link
52 | PRG="$0"
53 | # Need this for relative symlinks.
54 | while [ -h "$PRG" ] ; do
55 | ls=`ls -ld "$PRG"`
56 | link=`expr "$ls" : '.*-> \(.*\)$'`
57 | if expr "$link" : '/.*' > /dev/null; then
58 | PRG="$link"
59 | else
60 | PRG=`dirname "$PRG"`"/$link"
61 | fi
62 | done
63 | SAVED="`pwd`"
64 | cd "`dirname \"$PRG\"`/" >&-
65 | APP_HOME="`pwd -P`"
66 | cd "$SAVED" >&-
67 |
68 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
69 |
70 | # Determine the Java command to use to start the JVM.
71 | if [ -n "$JAVA_HOME" ] ; then
72 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
73 | # IBM's JDK on AIX uses strange locations for the executables
74 | JAVACMD="$JAVA_HOME/jre/sh/java"
75 | else
76 | JAVACMD="$JAVA_HOME/bin/java"
77 | fi
78 | if [ ! -x "$JAVACMD" ] ; then
79 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
80 |
81 | Please set the JAVA_HOME variable in your environment to match the
82 | location of your Java installation."
83 | fi
84 | else
85 | JAVACMD="java"
86 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
87 |
88 | Please set the JAVA_HOME variable in your environment to match the
89 | location of your Java installation."
90 | fi
91 |
92 | # Increase the maximum file descriptors if we can.
93 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
94 | MAX_FD_LIMIT=`ulimit -H -n`
95 | if [ $? -eq 0 ] ; then
96 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
97 | MAX_FD="$MAX_FD_LIMIT"
98 | fi
99 | ulimit -n $MAX_FD
100 | if [ $? -ne 0 ] ; then
101 | warn "Could not set maximum file descriptor limit: $MAX_FD"
102 | fi
103 | else
104 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
105 | fi
106 | fi
107 |
108 | # For Darwin, add options to specify how the application appears in the dock
109 | if $darwin; then
110 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
111 | fi
112 |
113 | # For Cygwin, switch paths to Windows format before running java
114 | if $cygwin ; then
115 | APP_HOME=`cygpath --path --mixed "$APP_HOME"`
116 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
117 |
118 | # We build the pattern for arguments to be converted via cygpath
119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
120 | SEP=""
121 | for dir in $ROOTDIRSRAW ; do
122 | ROOTDIRS="$ROOTDIRS$SEP$dir"
123 | SEP="|"
124 | done
125 | OURCYGPATTERN="(^($ROOTDIRS))"
126 | # Add a user-defined pattern to the cygpath arguments
127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then
128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
129 | fi
130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh
131 | i=0
132 | for arg in "$@" ; do
133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
135 |
136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
138 | else
139 | eval `echo args$i`="\"$arg\""
140 | fi
141 | i=$((i+1))
142 | done
143 | case $i in
144 | (0) set -- ;;
145 | (1) set -- "$args0" ;;
146 | (2) set -- "$args0" "$args1" ;;
147 | (3) set -- "$args0" "$args1" "$args2" ;;
148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
154 | esac
155 | fi
156 |
157 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
158 | function splitJvmOpts() {
159 | JVM_OPTS=("$@")
160 | }
161 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
162 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
163 |
164 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
165 |
--------------------------------------------------------------------------------
/kotlinApp/gradlew:
--------------------------------------------------------------------------------
1 | #!/usr/bin/env bash
2 |
3 | ##############################################################################
4 | ##
5 | ## Gradle start up script for UN*X
6 | ##
7 | ##############################################################################
8 |
9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
10 | DEFAULT_JVM_OPTS=""
11 |
12 | APP_NAME="Gradle"
13 | APP_BASE_NAME=`basename "$0"`
14 |
15 | # Use the maximum available, or set MAX_FD != -1 to use that value.
16 | MAX_FD="maximum"
17 |
18 | warn ( ) {
19 | echo "$*"
20 | }
21 |
22 | die ( ) {
23 | echo
24 | echo "$*"
25 | echo
26 | exit 1
27 | }
28 |
29 | # OS specific support (must be 'true' or 'false').
30 | cygwin=false
31 | msys=false
32 | darwin=false
33 | case "`uname`" in
34 | CYGWIN* )
35 | cygwin=true
36 | ;;
37 | Darwin* )
38 | darwin=true
39 | ;;
40 | MINGW* )
41 | msys=true
42 | ;;
43 | esac
44 |
45 | # For Cygwin, ensure paths are in UNIX format before anything is touched.
46 | if $cygwin ; then
47 | [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
48 | fi
49 |
50 | # Attempt to set APP_HOME
51 | # Resolve links: $0 may be a link
52 | PRG="$0"
53 | # Need this for relative symlinks.
54 | while [ -h "$PRG" ] ; do
55 | ls=`ls -ld "$PRG"`
56 | link=`expr "$ls" : '.*-> \(.*\)$'`
57 | if expr "$link" : '/.*' > /dev/null; then
58 | PRG="$link"
59 | else
60 | PRG=`dirname "$PRG"`"/$link"
61 | fi
62 | done
63 | SAVED="`pwd`"
64 | cd "`dirname \"$PRG\"`/" >&-
65 | APP_HOME="`pwd -P`"
66 | cd "$SAVED" >&-
67 |
68 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
69 |
70 | # Determine the Java command to use to start the JVM.
71 | if [ -n "$JAVA_HOME" ] ; then
72 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
73 | # IBM's JDK on AIX uses strange locations for the executables
74 | JAVACMD="$JAVA_HOME/jre/sh/java"
75 | else
76 | JAVACMD="$JAVA_HOME/bin/java"
77 | fi
78 | if [ ! -x "$JAVACMD" ] ; then
79 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
80 |
81 | Please set the JAVA_HOME variable in your environment to match the
82 | location of your Java installation."
83 | fi
84 | else
85 | JAVACMD="java"
86 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
87 |
88 | Please set the JAVA_HOME variable in your environment to match the
89 | location of your Java installation."
90 | fi
91 |
92 | # Increase the maximum file descriptors if we can.
93 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
94 | MAX_FD_LIMIT=`ulimit -H -n`
95 | if [ $? -eq 0 ] ; then
96 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
97 | MAX_FD="$MAX_FD_LIMIT"
98 | fi
99 | ulimit -n $MAX_FD
100 | if [ $? -ne 0 ] ; then
101 | warn "Could not set maximum file descriptor limit: $MAX_FD"
102 | fi
103 | else
104 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
105 | fi
106 | fi
107 |
108 | # For Darwin, add options to specify how the application appears in the dock
109 | if $darwin; then
110 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
111 | fi
112 |
113 | # For Cygwin, switch paths to Windows format before running java
114 | if $cygwin ; then
115 | APP_HOME=`cygpath --path --mixed "$APP_HOME"`
116 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
117 |
118 | # We build the pattern for arguments to be converted via cygpath
119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
120 | SEP=""
121 | for dir in $ROOTDIRSRAW ; do
122 | ROOTDIRS="$ROOTDIRS$SEP$dir"
123 | SEP="|"
124 | done
125 | OURCYGPATTERN="(^($ROOTDIRS))"
126 | # Add a user-defined pattern to the cygpath arguments
127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then
128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
129 | fi
130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh
131 | i=0
132 | for arg in "$@" ; do
133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
135 |
136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
138 | else
139 | eval `echo args$i`="\"$arg\""
140 | fi
141 | i=$((i+1))
142 | done
143 | case $i in
144 | (0) set -- ;;
145 | (1) set -- "$args0" ;;
146 | (2) set -- "$args0" "$args1" ;;
147 | (3) set -- "$args0" "$args1" "$args2" ;;
148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
154 | esac
155 | fi
156 |
157 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
158 | function splitJvmOpts() {
159 | JVM_OPTS=("$@")
160 | }
161 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
162 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
163 |
164 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
165 |
--------------------------------------------------------------------------------
/Application/src/main/java/com/example/android/fingerprintdialog/FingerprintUiHelper.java:
--------------------------------------------------------------------------------
1 | /*
2 | * Copyright (C) 2015 The Android Open Source Project
3 | *
4 | * Licensed under the Apache License, Version 2.0 (the "License");
5 | * you may not use this file except in compliance with the License.
6 | * You may obtain a copy of the License at
7 | *
8 | * http://www.apache.org/licenses/LICENSE-2.0
9 | *
10 | * Unless required by applicable law or agreed to in writing, software
11 | * distributed under the License is distributed on an "AS IS" BASIS,
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 | * See the License for the specific language governing permissions and
14 | * limitations under the License
15 | */
16 |
17 | package com.example.android.fingerprintdialog;
18 |
19 | import android.hardware.fingerprint.FingerprintManager;
20 | import android.os.CancellationSignal;
21 | import android.widget.ImageView;
22 | import android.widget.TextView;
23 |
24 | /**
25 | * Small helper class to manage text/icon around fingerprint authentication UI.
26 | */
27 | public class FingerprintUiHelper extends FingerprintManager.AuthenticationCallback {
28 |
29 | private static final long ERROR_TIMEOUT_MILLIS = 1600;
30 | private static final long SUCCESS_DELAY_MILLIS = 1300;
31 |
32 | private final FingerprintManager mFingerprintManager;
33 | private final ImageView mIcon;
34 | private final TextView mErrorTextView;
35 | private final Callback mCallback;
36 | private CancellationSignal mCancellationSignal;
37 |
38 | private boolean mSelfCancelled;
39 |
40 | /**
41 | * Constructor for {@link FingerprintUiHelper}.
42 | */
43 | FingerprintUiHelper(FingerprintManager fingerprintManager,
44 | ImageView icon, TextView errorTextView, Callback callback) {
45 | mFingerprintManager = fingerprintManager;
46 | mIcon = icon;
47 | mErrorTextView = errorTextView;
48 | mCallback = callback;
49 | }
50 |
51 | public boolean isFingerprintAuthAvailable() {
52 | // The line below prevents the false positive inspection from Android Studio
53 | // noinspection ResourceType
54 | return mFingerprintManager.isHardwareDetected()
55 | && mFingerprintManager.hasEnrolledFingerprints();
56 | }
57 |
58 | public void startListening(FingerprintManager.CryptoObject cryptoObject) {
59 | if (!isFingerprintAuthAvailable()) {
60 | return;
61 | }
62 | mCancellationSignal = new CancellationSignal();
63 | mSelfCancelled = false;
64 | // The line below prevents the false positive inspection from Android Studio
65 | // noinspection ResourceType
66 | mFingerprintManager
67 | .authenticate(cryptoObject, mCancellationSignal, 0 /* flags */, this, null);
68 | mIcon.setImageResource(R.drawable.ic_fp_40px);
69 | }
70 |
71 | public void stopListening() {
72 | if (mCancellationSignal != null) {
73 | mSelfCancelled = true;
74 | mCancellationSignal.cancel();
75 | mCancellationSignal = null;
76 | }
77 | }
78 |
79 | @Override
80 | public void onAuthenticationError(int errMsgId, CharSequence errString) {
81 | if (!mSelfCancelled) {
82 | showError(errString);
83 | mIcon.postDelayed(new Runnable() {
84 | @Override
85 | public void run() {
86 | mCallback.onError();
87 | }
88 | }, ERROR_TIMEOUT_MILLIS);
89 | }
90 | }
91 |
92 | @Override
93 | public void onAuthenticationHelp(int helpMsgId, CharSequence helpString) {
94 | showError(helpString);
95 | }
96 |
97 | @Override
98 | public void onAuthenticationFailed() {
99 | showError(mIcon.getResources().getString(
100 | R.string.fingerprint_not_recognized));
101 | }
102 |
103 | @Override
104 | public void onAuthenticationSucceeded(FingerprintManager.AuthenticationResult result) {
105 | mErrorTextView.removeCallbacks(mResetErrorTextRunnable);
106 | mIcon.setImageResource(R.drawable.ic_fingerprint_success);
107 | mErrorTextView.setTextColor(
108 | mErrorTextView.getResources().getColor(R.color.success_color, null));
109 | mErrorTextView.setText(
110 | mErrorTextView.getResources().getString(R.string.fingerprint_success));
111 | mIcon.postDelayed(new Runnable() {
112 | @Override
113 | public void run() {
114 | mCallback.onAuthenticated();
115 | }
116 | }, SUCCESS_DELAY_MILLIS);
117 | }
118 |
119 | private void showError(CharSequence error) {
120 | mIcon.setImageResource(R.drawable.ic_fingerprint_error);
121 | mErrorTextView.setText(error);
122 | mErrorTextView.setTextColor(
123 | mErrorTextView.getResources().getColor(R.color.warning_color, null));
124 | mErrorTextView.removeCallbacks(mResetErrorTextRunnable);
125 | mErrorTextView.postDelayed(mResetErrorTextRunnable, ERROR_TIMEOUT_MILLIS);
126 | }
127 |
128 | private Runnable mResetErrorTextRunnable = new Runnable() {
129 | @Override
130 | public void run() {
131 | mErrorTextView.setTextColor(
132 | mErrorTextView.getResources().getColor(R.color.hint_color, null));
133 | mErrorTextView.setText(
134 | mErrorTextView.getResources().getString(R.string.fingerprint_hint));
135 | mIcon.setImageResource(R.drawable.ic_fp_40px);
136 | }
137 | };
138 |
139 | public interface Callback {
140 |
141 | void onAuthenticated();
142 |
143 | void onError();
144 | }
145 | }
146 |
--------------------------------------------------------------------------------
/Application/src/main/res/layout/activity_main.xml:
--------------------------------------------------------------------------------
1 |
2 |
17 |
21 |
22 |
26 |
27 |
35 |
36 |
45 |
46 |
59 |
60 |
65 |
66 |
72 |
73 |
80 |
81 |
82 |
91 |
92 |
101 |
102 |
111 |
112 |
123 |
124 |
135 |
136 |
--------------------------------------------------------------------------------
/kotlinApp/app/src/main/res/layout/activity_main.xml:
--------------------------------------------------------------------------------
1 |
2 |
17 |
21 |
22 |
26 |
27 |
35 |
36 |
45 |
46 |
59 |
60 |
65 |
66 |
72 |
73 |
80 |
81 |
82 |
83 |
92 |
93 |
102 |
103 |
111 |
112 |
123 |
124 |
135 |
136 |
137 |
138 |
--------------------------------------------------------------------------------
/kotlinApp/app/src/main/java/com/example/android/fingerprintdialog/FingerprintAuthenticationDialogFragment.kt:
--------------------------------------------------------------------------------
1 | /*
2 | * Copyright (C) 2017 The Android Open Source Project
3 | *
4 | * Licensed under the Apache License, Version 2.0 (the "License");
5 | * you may not use this file except in compliance with the License.
6 | * You may obtain a copy of the License at
7 | *
8 | * http://www.apache.org/licenses/LICENSE-2.0
9 | *
10 | * Unless required by applicable law or agreed to in writing, software
11 | * distributed under the License is distributed on an "AS IS" BASIS,
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 | * See the License for the specific language governing permissions and
14 | * limitations under the License
15 | */
16 |
17 | package com.example.android.fingerprintdialog
18 |
19 | import android.app.DialogFragment
20 | import android.content.Context
21 | import android.content.SharedPreferences
22 | import android.hardware.fingerprint.FingerprintManager
23 | import android.os.Bundle
24 | import android.preference.PreferenceManager
25 | import android.view.KeyEvent
26 | import android.view.LayoutInflater
27 | import android.view.View
28 | import android.view.ViewGroup
29 | import android.view.inputmethod.EditorInfo
30 | import android.view.inputmethod.InputMethodManager
31 | import android.widget.Button
32 | import android.widget.CheckBox
33 | import android.widget.EditText
34 | import android.widget.TextView
35 |
36 | /**
37 | * A dialog which uses fingerprint APIs to authenticate the user, and falls back to password
38 | * authentication if fingerprint is not available.
39 | */
40 | class FingerprintAuthenticationDialogFragment : DialogFragment(),
41 | TextView.OnEditorActionListener,
42 | FingerprintUiHelper.Callback {
43 |
44 | private lateinit var backupContent: View
45 | private lateinit var cancelButton: Button
46 | private lateinit var fingerprintContainer: View
47 | private lateinit var fingerprintEnrolledTextView: TextView
48 | private lateinit var passwordDescriptionTextView: TextView
49 | private lateinit var passwordEditText: EditText
50 | private lateinit var secondDialogButton: Button
51 | private lateinit var useFingerprintFutureCheckBox: CheckBox
52 |
53 | private lateinit var callback: Callback
54 | private lateinit var cryptoObject: FingerprintManager.CryptoObject
55 | private lateinit var fingerprintUiHelper: FingerprintUiHelper
56 | private lateinit var inputMethodManager: InputMethodManager
57 | private lateinit var sharedPreferences: SharedPreferences
58 |
59 | private var stage = Stage.FINGERPRINT
60 |
61 | private val showKeyboardRunnable = Runnable {
62 | inputMethodManager.showSoftInput(passwordEditText, 0)
63 | }
64 |
65 | override fun onCreate(savedInstanceState: Bundle?) {
66 | super.onCreate(savedInstanceState)
67 |
68 | // Do not create a new Fragment when the Activity is re-created such as orientation changes.
69 | retainInstance = true
70 | setStyle(DialogFragment.STYLE_NORMAL, android.R.style.Theme_Material_Light_Dialog)
71 | }
72 |
73 | override fun onCreateView(inflater: LayoutInflater,
74 | container: ViewGroup?,
75 | savedInstanceState: Bundle?
76 | ): View? {
77 | dialog.setTitle(getString(R.string.sign_in))
78 | return inflater.inflate(R.layout.fingerprint_dialog_container, container, false)
79 | }
80 |
81 | override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
82 | super.onViewCreated(view, savedInstanceState)
83 |
84 | backupContent = view.findViewById(R.id.backup_container)
85 | cancelButton = view.findViewById(R.id.cancel_button)
86 | fingerprintContainer = view.findViewById(R.id.fingerprint_container)
87 | fingerprintEnrolledTextView = view.findViewById(R.id.new_fingerprint_enrolled_description)
88 | passwordDescriptionTextView = view.findViewById(R.id.password_description)
89 | passwordEditText = view.findViewById(R.id.password)
90 | secondDialogButton = view.findViewById(R.id.second_dialog_button)
91 | useFingerprintFutureCheckBox = view.findViewById(R.id.use_fingerprint_in_future_check)
92 |
93 | cancelButton.setOnClickListener { dismiss() }
94 | passwordEditText.setOnEditorActionListener(this)
95 | secondDialogButton.setOnClickListener {
96 | if (stage == Stage.FINGERPRINT) goToBackup() else verifyPassword()
97 | }
98 |
99 | fingerprintUiHelper = FingerprintUiHelper(
100 | activity.getSystemService(FingerprintManager::class.java),
101 | view.findViewById(R.id.fingerprint_icon),
102 | view.findViewById(R.id.fingerprint_status),
103 | this
104 | )
105 | updateStage()
106 |
107 | // If fingerprint authentication is not available, switch immediately to the backup
108 | // (password) screen.
109 | if (!fingerprintUiHelper.isFingerprintAuthAvailable) {
110 | goToBackup()
111 | }
112 | }
113 | override fun onResume() {
114 | super.onResume()
115 | if (stage == Stage.FINGERPRINT) {
116 | fingerprintUiHelper.startListening(cryptoObject)
117 | }
118 | }
119 |
120 | override fun onPause() {
121 | super.onPause()
122 | fingerprintUiHelper.stopListening()
123 | }
124 |
125 | override fun onAttach(context: Context) {
126 | super.onAttach(context)
127 | inputMethodManager = context.getSystemService(InputMethodManager::class.java)
128 | sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
129 | }
130 |
131 | fun setCallback(callback: Callback) {
132 | this.callback = callback
133 | }
134 |
135 | fun setCryptoObject(cryptoObject: FingerprintManager.CryptoObject) {
136 | this.cryptoObject = cryptoObject
137 | }
138 |
139 | fun setStage(stage: Stage) {
140 | this.stage = stage
141 | }
142 |
143 | /**
144 | * Switches to backup (password) screen. This either can happen when fingerprint is not
145 | * available or the user chooses to use the password authentication method by pressing the
146 | * button. This can also happen when the user has too many invalid fingerprint attempts.
147 | */
148 | private fun goToBackup() {
149 | stage = Stage.PASSWORD
150 | updateStage()
151 | passwordEditText.run {
152 | requestFocus()
153 |
154 | // Show the keyboard.
155 | postDelayed(showKeyboardRunnable, 500)
156 | }
157 |
158 | // Fingerprint is not used anymore. Stop listening for it.
159 | fingerprintUiHelper.stopListening()
160 | }
161 |
162 | /**
163 | * Checks whether the current entered password is correct, and dismisses the dialog and
164 | * informs the activity about the result.
165 | */
166 | private fun verifyPassword() {
167 | if (!checkPassword(passwordEditText.text.toString())) {
168 | return
169 | }
170 | if (stage == Stage.NEW_FINGERPRINT_ENROLLED) {
171 | sharedPreferences.edit()
172 | .putBoolean(getString(R.string.use_fingerprint_to_authenticate_key),
173 | useFingerprintFutureCheckBox.isChecked)
174 | .apply()
175 |
176 | if (useFingerprintFutureCheckBox.isChecked) {
177 | // Re-create the key so that fingerprints including new ones are validated.
178 | callback.createKey(DEFAULT_KEY_NAME)
179 | stage = Stage.FINGERPRINT
180 | }
181 | }
182 | passwordEditText.setText("")
183 | callback.onPurchased(withFingerprint = false)
184 | dismiss()
185 | }
186 |
187 | /**
188 | * Checks if the given password is valid. Assume that the password is always correct.
189 | * In a real world situation, the password needs to be verified via the server.
190 | *
191 | * @param password The password String
192 | *
193 | * @return true if `password` is correct, false otherwise
194 | */
195 | private fun checkPassword(password: String) = password.isNotEmpty()
196 |
197 | private fun updateStage() {
198 | when (stage) {
199 | Stage.FINGERPRINT -> {
200 | cancelButton.setText(R.string.cancel)
201 | secondDialogButton.setText(R.string.use_password)
202 | fingerprintContainer.visibility = View.VISIBLE
203 | backupContent.visibility = View.GONE
204 | }
205 | Stage.NEW_FINGERPRINT_ENROLLED, // Intentional fall through
206 | Stage.PASSWORD -> {
207 | cancelButton.setText(R.string.cancel)
208 | secondDialogButton.setText(R.string.ok)
209 | fingerprintContainer.visibility = View.GONE
210 | backupContent.visibility = View.VISIBLE
211 | if (stage == Stage.NEW_FINGERPRINT_ENROLLED) {
212 | passwordDescriptionTextView.visibility = View.GONE
213 | fingerprintEnrolledTextView.visibility = View.VISIBLE
214 | useFingerprintFutureCheckBox.visibility = View.VISIBLE
215 | }
216 | }
217 | }
218 | }
219 |
220 | override fun onEditorAction(v: TextView, actionId: Int, event: KeyEvent?): Boolean {
221 | return if (actionId == EditorInfo.IME_ACTION_GO) { verifyPassword(); true } else false
222 | }
223 |
224 | override fun onAuthenticated() {
225 | // Callback from FingerprintUiHelper. Let the activity know that authentication succeeded.
226 | callback.onPurchased(withFingerprint = true, crypto = cryptoObject)
227 | dismiss()
228 | }
229 |
230 | override fun onError() {
231 | goToBackup()
232 | }
233 |
234 | interface Callback {
235 | fun onPurchased(withFingerprint: Boolean, crypto: FingerprintManager.CryptoObject? = null)
236 | fun createKey(keyName: String, invalidatedByBiometricEnrollment: Boolean = true)
237 | }
238 | }
239 |
--------------------------------------------------------------------------------
/Application/src/main/java/com/example/android/fingerprintdialog/FingerprintAuthenticationDialogFragment.java:
--------------------------------------------------------------------------------
1 | /*
2 | * Copyright (C) 2015 The Android Open Source Project
3 | *
4 | * Licensed under the Apache License, Version 2.0 (the "License");
5 | * you may not use this file except in compliance with the License.
6 | * You may obtain a copy of the License at
7 | *
8 | * http://www.apache.org/licenses/LICENSE-2.0
9 | *
10 | * Unless required by applicable law or agreed to in writing, software
11 | * distributed under the License is distributed on an "AS IS" BASIS,
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 | * See the License for the specific language governing permissions and
14 | * limitations under the License
15 | */
16 |
17 | package com.example.android.fingerprintdialog;
18 |
19 | import android.app.DialogFragment;
20 | import android.content.Context;
21 | import android.content.SharedPreferences;
22 | import android.hardware.fingerprint.FingerprintManager;
23 | import android.os.Bundle;
24 | import android.preference.PreferenceManager;
25 | import android.view.KeyEvent;
26 | import android.view.LayoutInflater;
27 | import android.view.View;
28 | import android.view.ViewGroup;
29 | import android.view.inputmethod.EditorInfo;
30 | import android.view.inputmethod.InputMethodManager;
31 | import android.widget.Button;
32 | import android.widget.CheckBox;
33 | import android.widget.EditText;
34 | import android.widget.ImageView;
35 | import android.widget.TextView;
36 |
37 | /**
38 | * A dialog which uses fingerprint APIs to authenticate the user, and falls back to password
39 | * authentication if fingerprint is not available.
40 | */
41 | public class FingerprintAuthenticationDialogFragment extends DialogFragment
42 | implements TextView.OnEditorActionListener, FingerprintUiHelper.Callback {
43 |
44 | private Button mCancelButton;
45 | private Button mSecondDialogButton;
46 | private View mFingerprintContent;
47 | private View mBackupContent;
48 | private EditText mPassword;
49 | private CheckBox mUseFingerprintFutureCheckBox;
50 | private TextView mPasswordDescriptionTextView;
51 | private TextView mNewFingerprintEnrolledTextView;
52 |
53 | private Stage mStage = Stage.FINGERPRINT;
54 |
55 | private FingerprintManager.CryptoObject mCryptoObject;
56 | private FingerprintUiHelper mFingerprintUiHelper;
57 | private MainActivity mActivity;
58 |
59 | private InputMethodManager mInputMethodManager;
60 | private SharedPreferences mSharedPreferences;
61 |
62 | @Override
63 | public void onCreate(Bundle savedInstanceState) {
64 | super.onCreate(savedInstanceState);
65 |
66 | // Do not create a new Fragment when the Activity is re-created such as orientation changes.
67 | setRetainInstance(true);
68 | setStyle(DialogFragment.STYLE_NORMAL, android.R.style.Theme_Material_Light_Dialog);
69 | }
70 |
71 | @Override
72 | public View onCreateView(LayoutInflater inflater, ViewGroup container,
73 | Bundle savedInstanceState) {
74 | getDialog().setTitle(getString(R.string.sign_in));
75 | View v = inflater.inflate(R.layout.fingerprint_dialog_container, container, false);
76 | mCancelButton = (Button) v.findViewById(R.id.cancel_button);
77 | mCancelButton.setOnClickListener(new View.OnClickListener() {
78 | @Override
79 | public void onClick(View view) {
80 | dismiss();
81 | }
82 | });
83 |
84 | mSecondDialogButton = (Button) v.findViewById(R.id.second_dialog_button);
85 | mSecondDialogButton.setOnClickListener(new View.OnClickListener() {
86 | @Override
87 | public void onClick(View view) {
88 | if (mStage == Stage.FINGERPRINT) {
89 | goToBackup();
90 | } else {
91 | verifyPassword();
92 | }
93 | }
94 | });
95 | mFingerprintContent = v.findViewById(R.id.fingerprint_container);
96 | mBackupContent = v.findViewById(R.id.backup_container);
97 | mPassword = (EditText) v.findViewById(R.id.password);
98 | mPassword.setOnEditorActionListener(this);
99 | mPasswordDescriptionTextView = (TextView) v.findViewById(R.id.password_description);
100 | mUseFingerprintFutureCheckBox = (CheckBox)
101 | v.findViewById(R.id.use_fingerprint_in_future_check);
102 | mNewFingerprintEnrolledTextView = (TextView)
103 | v.findViewById(R.id.new_fingerprint_enrolled_description);
104 | mFingerprintUiHelper = new FingerprintUiHelper(
105 | mActivity.getSystemService(FingerprintManager.class),
106 | (ImageView) v.findViewById(R.id.fingerprint_icon),
107 | (TextView) v.findViewById(R.id.fingerprint_status), this);
108 | updateStage();
109 |
110 | // If fingerprint authentication is not available, switch immediately to the backup
111 | // (password) screen.
112 | if (!mFingerprintUiHelper.isFingerprintAuthAvailable()) {
113 | goToBackup();
114 | }
115 | return v;
116 | }
117 |
118 | @Override
119 | public void onResume() {
120 | super.onResume();
121 | if (mStage == Stage.FINGERPRINT) {
122 | mFingerprintUiHelper.startListening(mCryptoObject);
123 | }
124 | }
125 |
126 | public void setStage(Stage stage) {
127 | mStage = stage;
128 | }
129 |
130 | @Override
131 | public void onPause() {
132 | super.onPause();
133 | mFingerprintUiHelper.stopListening();
134 | }
135 |
136 | @Override
137 | public void onAttach(Context context) {
138 | super.onAttach(context);
139 | mActivity = (MainActivity) getActivity();
140 | mInputMethodManager = context.getSystemService(InputMethodManager.class);
141 | mSharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
142 | }
143 |
144 | /**
145 | * Sets the crypto object to be passed in when authenticating with fingerprint.
146 | */
147 | public void setCryptoObject(FingerprintManager.CryptoObject cryptoObject) {
148 | mCryptoObject = cryptoObject;
149 | }
150 |
151 | /**
152 | * Switches to backup (password) screen. This either can happen when fingerprint is not
153 | * available or the user chooses to use the password authentication method by pressing the
154 | * button. This can also happen when the user had too many fingerprint attempts.
155 | */
156 | private void goToBackup() {
157 | mStage = Stage.PASSWORD;
158 | updateStage();
159 | mPassword.requestFocus();
160 |
161 | // Show the keyboard.
162 | mPassword.postDelayed(mShowKeyboardRunnable, 500);
163 |
164 | // Fingerprint is not used anymore. Stop listening for it.
165 | mFingerprintUiHelper.stopListening();
166 | }
167 |
168 | /**
169 | * Checks whether the current entered password is correct, and dismisses the the dialog and
170 | * let's the activity know about the result.
171 | */
172 | private void verifyPassword() {
173 | if (!checkPassword(mPassword.getText().toString())) {
174 | return;
175 | }
176 | if (mStage == Stage.NEW_FINGERPRINT_ENROLLED) {
177 | SharedPreferences.Editor editor = mSharedPreferences.edit();
178 | editor.putBoolean(getString(R.string.use_fingerprint_to_authenticate_key),
179 | mUseFingerprintFutureCheckBox.isChecked());
180 | editor.apply();
181 |
182 | if (mUseFingerprintFutureCheckBox.isChecked()) {
183 | // Re-create the key so that fingerprints including new ones are validated.
184 | mActivity.createKey(MainActivity.DEFAULT_KEY_NAME, true);
185 | mStage = Stage.FINGERPRINT;
186 | }
187 | }
188 | mPassword.setText("");
189 | mActivity.onPurchased(false /* without Fingerprint */, null);
190 | dismiss();
191 | }
192 |
193 | /**
194 | * @return true if {@code password} is correct, false otherwise
195 | */
196 | private boolean checkPassword(String password) {
197 | // Assume the password is always correct.
198 | // In the real world situation, the password needs to be verified in the server side.
199 | return password.length() > 0;
200 | }
201 |
202 | private final Runnable mShowKeyboardRunnable = new Runnable() {
203 | @Override
204 | public void run() {
205 | mInputMethodManager.showSoftInput(mPassword, 0);
206 | }
207 | };
208 |
209 | private void updateStage() {
210 | switch (mStage) {
211 | case FINGERPRINT:
212 | mCancelButton.setText(R.string.cancel);
213 | mSecondDialogButton.setText(R.string.use_password);
214 | mFingerprintContent.setVisibility(View.VISIBLE);
215 | mBackupContent.setVisibility(View.GONE);
216 | break;
217 | case NEW_FINGERPRINT_ENROLLED:
218 | // Intentional fall through
219 | case PASSWORD:
220 | mCancelButton.setText(R.string.cancel);
221 | mSecondDialogButton.setText(R.string.ok);
222 | mFingerprintContent.setVisibility(View.GONE);
223 | mBackupContent.setVisibility(View.VISIBLE);
224 | if (mStage == Stage.NEW_FINGERPRINT_ENROLLED) {
225 | mPasswordDescriptionTextView.setVisibility(View.GONE);
226 | mNewFingerprintEnrolledTextView.setVisibility(View.VISIBLE);
227 | mUseFingerprintFutureCheckBox.setVisibility(View.VISIBLE);
228 | }
229 | break;
230 | }
231 | }
232 |
233 | @Override
234 | public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
235 | if (actionId == EditorInfo.IME_ACTION_GO) {
236 | verifyPassword();
237 | return true;
238 | }
239 | return false;
240 | }
241 |
242 | @Override
243 | public void onAuthenticated() {
244 | // Callback from FingerprintUiHelper. Let the activity know that authentication was
245 | // successful.
246 | mActivity.onPurchased(true /* withFingerprint */, mCryptoObject);
247 | dismiss();
248 | }
249 |
250 | @Override
251 | public void onError() {
252 | goToBackup();
253 | }
254 |
255 | /**
256 | * Enumeration to indicate which authentication method the user is trying to authenticate with.
257 | */
258 | public enum Stage {
259 | FINGERPRINT,
260 | NEW_FINGERPRINT_ENROLLED,
261 | PASSWORD
262 | }
263 | }
264 |
--------------------------------------------------------------------------------
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/kotlinApp/app/src/main/java/com/example/android/fingerprintdialog/MainActivity.kt:
--------------------------------------------------------------------------------
1 | /*
2 | * Copyright (C) 2017 The Android Open Source Project
3 | *
4 | * Licensed under the Apache License, Version 2.0 (the "License");
5 | * you may not use this file except in compliance with the License.
6 | * You may obtain a copy of the License at
7 | *
8 | * http://www.apache.org/licenses/LICENSE-2.0
9 | *
10 | * Unless required by applicable law or agreed to in writing, software
11 | * distributed under the License is distributed on an "AS IS" BASIS,
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 | * See the License for the specific language governing permissions and
14 | * limitations under the License
15 | */
16 |
17 | package com.example.android.fingerprintdialog
18 |
19 | import android.app.KeyguardManager
20 | import android.content.Intent
21 | import android.content.SharedPreferences
22 | import android.hardware.fingerprint.FingerprintManager
23 | import android.os.Bundle
24 | import android.preference.PreferenceManager
25 | import android.security.keystore.KeyGenParameterSpec
26 | import android.security.keystore.KeyPermanentlyInvalidatedException
27 | import android.security.keystore.KeyProperties
28 | import android.security.keystore.KeyProperties.BLOCK_MODE_CBC
29 | import android.security.keystore.KeyProperties.ENCRYPTION_PADDING_PKCS7
30 | import android.security.keystore.KeyProperties.KEY_ALGORITHM_AES
31 | import android.support.v7.app.AppCompatActivity
32 | import android.util.Base64
33 | import android.util.Log
34 | import android.view.Menu
35 | import android.view.MenuItem
36 | import android.view.View
37 | import android.widget.Button
38 | import android.widget.TextView
39 | import android.widget.Toast
40 | import java.io.IOException
41 | import java.security.InvalidAlgorithmParameterException
42 | import java.security.InvalidKeyException
43 | import java.security.KeyStore
44 | import java.security.KeyStoreException
45 | import java.security.NoSuchAlgorithmException
46 | import java.security.NoSuchProviderException
47 | import java.security.UnrecoverableKeyException
48 | import java.security.cert.CertificateException
49 | import javax.crypto.BadPaddingException
50 | import javax.crypto.Cipher
51 | import javax.crypto.IllegalBlockSizeException
52 | import javax.crypto.KeyGenerator
53 | import javax.crypto.NoSuchPaddingException
54 | import javax.crypto.SecretKey
55 |
56 | /**
57 | * Main entry point for the sample, showing a backpack and "Purchase" button.
58 | */
59 | class MainActivity : AppCompatActivity(),
60 | FingerprintAuthenticationDialogFragment.Callback {
61 |
62 | private lateinit var keyStore: KeyStore
63 | private lateinit var keyGenerator: KeyGenerator
64 | private lateinit var sharedPreferences: SharedPreferences
65 |
66 | override fun onCreate(savedInstanceState: Bundle?) {
67 | super.onCreate(savedInstanceState)
68 | setContentView(R.layout.activity_main)
69 | setSupportActionBar(findViewById(R.id.toolbar))
70 | setupKeyStoreAndKeyGenerator()
71 |
72 | val (defaultCipher: Cipher, cipherNotInvalidated: Cipher) = setupCiphers()
73 | sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this)
74 | setUpPurchaseButtons(cipherNotInvalidated, defaultCipher)
75 | }
76 |
77 | /**
78 | * Enables or disables purchase buttons and sets the appropriate click listeners.
79 | *
80 | * @param cipherNotInvalidated cipher for the not invalidated purchase button
81 | * @param defaultCipher the default cipher, used for the purchase button
82 | */
83 | private fun setUpPurchaseButtons(cipherNotInvalidated: Cipher, defaultCipher: Cipher) {
84 | val purchaseButton = findViewById