init release

.gitignore

@@ -0,0 +1,229 @@
+
+# Created by https://www.gitignore.io/api/macos,android,androidstudio
+# Edit at https://www.gitignore.io/?templates=macos,android,androidstudio
+
+### Android ###
+# Built application files
+*.apk
+*.ap_
+*.aab
+
+# Files for the ART/Dalvik VM
+*.dex
+
+# Java class files
+*.class
+
+# Generated files
+bin/
+gen/
+out/
+release/
+
+# Gradle files
+.gradle/
+build/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
+*.log
+
+# Android Studio Navigation editor temp files
+.navigation/
+
+# Android Studio captures folder
+captures/
+
+# IntelliJ
+*.iml
+.idea/workspace.xml
+.idea/tasks.xml
+.idea/gradle.xml
+.idea/assetWizardSettings.xml
+.idea/dictionaries
+.idea/libraries
+# Android Studio 3 in .gitignore file.
+.idea/caches
+.idea/modules.xml
+# Comment next line if keeping position of elements in Navigation Editor is relevant for you
+.idea/navEditor.xml
+
+# Keystore files
+# Uncomment the following lines if you do not want to check your keystore files in.
+#*.jks
+#*.keystore
+
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
+
+# Google Services (e.g. APIs or Firebase)
+# google-services.json
+
+# Freeline
+freeline.py
+freeline/
+freeline_project_description.json
+
+# fastlane
+fastlane/report.xml
+fastlane/Preview.html
+fastlane/screenshots
+fastlane/test_output
+fastlane/readme.md
+
+# Version control
+vcs.xml
+
+# lint
+lint/intermediates/
+lint/generated/
+lint/outputs/
+lint/tmp/
+# lint/reports/
+
+### Android Patch ###
+gen-external-apklibs
+output.json
+
+# Replacement of .externalNativeBuild directories introduced
+# with Android Studio 3.5.
+.cxx/
+
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### AndroidStudio ###
+# Covers files to be ignored for android development using Android Studio.
+
+# Built application files
+
+# Files for the ART/Dalvik VM
+
+# Java class files
+
+# Generated files
+
+# Gradle files
+.gradle
+
+# Signing files
+.signing/
+
+# Local configuration file (sdk path, etc)
+
+# Proguard folder generated by Eclipse
+
+# Log Files
+
+# Android Studio
+/*/build/
+/*/local.properties
+/*/out
+/*/*/build
+/*/*/production
+*.ipr
+*~
+*.swp
+
+# Android Patch
+
+# External native build folder generated in Android Studio 2.2 and later
+
+# NDK
+obj/
+
+# IntelliJ IDEA
+*.iws
+/out/
+
+# User-specific configurations
+.idea/caches/
+.idea/libraries/
+.idea/shelf/
+.idea/.name
+.idea/compiler.xml
+.idea/copyright/profiles_settings.xml
+.idea/encodings.xml
+.idea/misc.xml
+.idea/scopes/scope_settings.xml
+.idea/vcs.xml
+.idea/jsLibraryMappings.xml
+.idea/datasources.xml
+.idea/dataSources.ids
+.idea/sqlDataSources.xml
+.idea/dynamic.xml
+.idea/uiDesigner.xml
+
+# OS-specific files
+.DS_Store?
+ehthumbs.db
+Thumbs.db
+
+# Legacy Eclipse project files
+.classpath
+.project
+.cproject
+.settings/
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.war
+*.ear
+
+# virtual machine crash logs (Reference: http://www.java.com/en/download/help/error_hotspot.xml)
+hs_err_pid*
+
+## Plugin-specific files:
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Mongo Explorer plugin
+.idea/mongoSettings.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+### AndroidStudio Patch ###
+
+!/gradle/wrapper/gradle-wrapper.jar
+
+# End of https://www.gitignore.io/api/macos,android,androidstudio

.idea/codeStyles/Project.xml

@@ -0,0 +1,10 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <JetCodeStyleSettings>
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </JetCodeStyleSettings>
+    <codeStyleSettings language="kotlin">
+      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
+    </codeStyleSettings>
+  </code_scheme>
+</component>

.idea/codeStyles/codeStyleConfig.xml

@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>

.idea/runConfigurations.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

app/.gitignore

@@ -0,0 +1 @@
+/build

app/build.gradle

@@ -0,0 +1,34 @@
+apply plugin: 'com.android.application'
+
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 28
+    defaultConfig {
+        applicationId "com.edison.fingerface"
+        minSdkVersion 28
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    compileOnly 'de.robv.android.xposed:api:82'
+}

app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/com/edison/fingerface/ExampleInstrumentedTest.kt

@@ -0,0 +1,24 @@
+package com.edison.fingerface
+
+import android.support.test.InstrumentationRegistry
+import android.support.test.runner.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getTargetContext()
+        assertEquals("com.edison.fingerface", appContext.packageName)
+    }
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.edison.fingerface">
+
+    <uses-permission android:name="android.permission.USE_BIOMETRIC"/>
+
+    <application
+            android:allowBackup="true"
+            android:icon="@mipmap/ic_launcher"
+            android:label="@string/app_name"
+            android:roundIcon="@mipmap/ic_launcher_round"
+            android:supportsRtl="true"
+            android:theme="@style/AppTheme">
+
+        <meta-data
+                android:name="xposedmodule"
+                android:value="true"/>
+        <meta-data
+                android:name="xposeddescription"
+                android:value="Use faceId unlock app which support fingerprint"/>
+        <meta-data
+                android:name="xposedminversion"
+                android:value="30"/>
+    </application>
+
+</manifest>

app/src/main/assets/xposed_init

@@ -0,0 +1 @@
+com.edison.fingerface.XposedHandler

app/src/main/java/android/hardware/fingerprint/MyAuthenticationResult.java

@@ -0,0 +1,18 @@
+package android.hardware.fingerprint;
+
+public class MyAuthenticationResult extends FingerprintManager.AuthenticationResult {
+
+    FingerprintManager.CryptoObject cryptoObject;
+
+    public void setCryptoObject(FingerprintManager.CryptoObject cryptoObject) {
+        this.cryptoObject = cryptoObject;
+    }
+
+    @Override
+    public FingerprintManager.CryptoObject getCryptoObject() {
+        if (cryptoObject != null) {
+            return cryptoObject;
+        }
+        return super.getCryptoObject();
+    }
+}

app/src/main/java/android/hardware/fingerprint/MyFingerprintManager.java

@@ -0,0 +1,175 @@
+package android.hardware.fingerprint;
+
+import android.content.Context;
+import android.content.DialogInterface;
+import android.hardware.biometrics.BiometricPrompt;
+import android.os.CancellationSignal;
+import android.os.Handler;
+import android.security.keystore.KeyGenParameterSpec;
+import android.security.keystore.KeyPermanentlyInvalidatedException;
+import android.security.keystore.KeyProperties;
+import android.util.Log;
+
+import javax.crypto.Cipher;
+import javax.crypto.KeyGenerator;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.SecretKey;
+import java.io.IOException;
+import java.security.*;
+import java.security.cert.CertificateException;
+
+public class MyFingerprintManager extends FingerprintManager {
+
+    private Context mContext;
+
+    private KeyGenerator keyGenerator;
+    private KeyStore keyStore;
+    private Cipher cipher;
+
+    private String KEY_NAME = "MyFingerprintManager";
+
+    public void SetContext(Context context) {
+        mContext = context;
+    }
+
+    @Override
+    public boolean isHardwareDetected() {
+
+        Log.d("XposedHandler", "isHardwareDetected");
+        return true;
+    }
+
+    @Override
+    public boolean hasEnrolledFingerprints() {
+        Log.d("XposedHandler", "hasEnrolledFingerprints");
+        return true;
+    }
+
+    @Override
+    public void authenticate(final CryptoObject crypto, CancellationSignal cancel,
+                             int flags, final AuthenticationCallback callback, Handler handler) {
+
+        BiometricPrompt biometricPrompt = new BiometricPrompt.Builder(mContext).setTitle("FaceID").setNegativeButton(mContext.getString(android.R.string.cancel), mContext.getMainExecutor(), new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                dialog.dismiss();
+            }
+        }).build();
+
+        BiometricPrompt.CryptoObject c = null;
+
+        if (crypto == null) {
+
+            generateKey();
+            initCipher();
+            c = new BiometricPrompt.CryptoObject(cipher);
+
+        } else if (crypto.getCipher() != null) {
+            c = new BiometricPrompt.CryptoObject(crypto.getCipher());
+        } else if (crypto.getMac() != null) {
+            c = new BiometricPrompt.CryptoObject(crypto.getMac());
+        } else if (crypto.getSignature() != null) {
+            c = new BiometricPrompt.CryptoObject(crypto.getSignature());
+        }
+
+        biometricPrompt.authenticate(c, cancel, mContext.getMainExecutor(), new BiometricPrompt.AuthenticationCallback() {
+            @Override
+            public void onAuthenticationError(int errorCode, CharSequence errString) {
+                callback.onAuthenticationError(errorCode, errString);
+            }
+
+            @Override
+            public void onAuthenticationHelp(int helpCode, CharSequence helpString) {
+                callback.onAuthenticationHelp(helpCode, helpString);
+            }
+
+            @Override
+            public void onAuthenticationSucceeded(BiometricPrompt.AuthenticationResult result) {
+
+                BiometricPrompt.CryptoObject BioCrypto = result.getCryptoObject();
+
+                CryptoObject c = null;
+
+                if (BioCrypto.getCipher() != null) {
+                    c = new CryptoObject(BioCrypto.getCipher());
+                } else if (BioCrypto.getMac() != null) {
+                    c = new CryptoObject(BioCrypto.getMac());
+                } else if (BioCrypto.getSignature() != null) {
+                    c = new CryptoObject(BioCrypto.getSignature());
+                }
+
+                AuthenticationResult fingerprintResult = new AuthenticationResult();
+
+                if (crypto != null) {
+                    fingerprintResult = new MyAuthenticationResult();
+                    ((MyAuthenticationResult) fingerprintResult).setCryptoObject(c);
+                }
+
+                callback.onAuthenticationSucceeded(fingerprintResult);
+            }
+
+            @Override
+            public void onAuthenticationFailed() {
+                callback.onAuthenticationFailed();
+            }
+        });
+    }
+
+
+    private void generateKey() {
+        try {
+
+            keyStore = KeyStore.getInstance("AndroidKeyStore");
+            keyStore.load(null);
+
+            keyGenerator = KeyGenerator.getInstance(KeyProperties.KEY_ALGORITHM_AES, "AndroidKeyStore");
+            keyGenerator.init(new
+                    KeyGenParameterSpec.Builder(KEY_NAME, KeyProperties.PURPOSE_ENCRYPT | KeyProperties.PURPOSE_DECRYPT)
+                    .setBlockModes(KeyProperties.BLOCK_MODE_CBC)
+                    .setUserAuthenticationRequired(true)
+                    .setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_PKCS7)
+                    .build());
+
+            keyGenerator.generateKey();
+
+        } catch (KeyStoreException
+                | NoSuchAlgorithmException
+                | NoSuchProviderException
+                | InvalidAlgorithmParameterException
+                | CertificateException
+                | IOException exc) {
+            exc.printStackTrace();
+        }
+    }
+
+    private boolean initCipher() {
+        try {
+            cipher = Cipher.getInstance(
+                    KeyProperties.KEY_ALGORITHM_AES + "/"
+                            + KeyProperties.BLOCK_MODE_CBC + "/"
+                            + KeyProperties.ENCRYPTION_PADDING_PKCS7);
+
+        } catch (NoSuchAlgorithmException |
+                NoSuchPaddingException e) {
+            throw new RuntimeException("Failed to get Cipher", e);
+        }
+
+        try {
+            keyStore.load(null);
+            SecretKey key = (SecretKey) keyStore.getKey(KEY_NAME,
+                    null);
+            cipher.init(Cipher.ENCRYPT_MODE, key);
+            return true;
+
+
+        } catch (KeyPermanentlyInvalidatedException e) {
+            return false;
+
+        } catch (KeyStoreException | CertificateException
+                | UnrecoverableKeyException | IOException
+                | NoSuchAlgorithmException | InvalidKeyException e) {
+
+            throw new RuntimeException("Failed to init Cipher", e);
+        }
+    }
+}

app/src/main/java/com/edison/fingerface/MainActivity.kt

@@ -0,0 +1,12 @@
+package com.edison.fingerface
+
+import android.support.v7.app.AppCompatActivity
+import android.os.Bundle
+
+class MainActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+    }
+}

app/src/main/java/com/edison/fingerface/ModFingerface.kt

@@ -0,0 +1,36 @@
+package com.edison.fingerface
+
+import android.content.Context
+import android.content.pm.PackageManager
+import android.content.res.XModuleResources
+import android.hardware.fingerprint.FingerprintManager
+import android.util.Log
+import de.robv.android.xposed.XC_MethodHook
+import de.robv.android.xposed.XSharedPreferences
+import de.robv.android.xposed.XposedBridge
+import android.hardware.fingerprint.MyFingerprintManager
+
+
+class ModFingerface {
+    companion object {
+        @JvmStatic
+        fun initAndroid(prefs: XSharedPreferences, classLoader: ClassLoader, modRes: XModuleResources) {
+            val getSystemServiceHook = object : XC_MethodHook() {
+                override fun afterHookedMethod(param: MethodHookParam?) {
+                    if (param!!.args[0].toString() == Context.FINGERPRINT_SERVICE) {
+                        Log.d("XposedHandler", "Get Fingerpring service, call from:${param!!.method.name}, thisObj:${param!!.result}")
+                        val mgr = MyFingerprintManager()
+                        mgr.SetContext(param!!.thisObject as Context)
+                        param!!.result = mgr
+                    }
+                }
+            }
+
+            XposedBridge.hookAllMethods(
+                Class.forName("android.app.ContextImpl"),
+                "getSystemService",
+                getSystemServiceHook
+            )
+        }
+    }
+}

app/src/main/java/com/edison/fingerface/ModPackageManager.kt

@@ -0,0 +1,46 @@
+package com.edison.fingerface
+
+import android.content.Context
+import android.content.pm.PackageManager
+import android.content.res.XModuleResources
+import android.hardware.fingerprint.FingerprintManager
+import android.util.Log
+import de.robv.android.xposed.XC_MethodHook
+import de.robv.android.xposed.XSharedPreferences
+import de.robv.android.xposed.XposedBridge
+import android.hardware.fingerprint.MyFingerprintManager
+import de.robv.android.xposed.XposedHelpers
+import android.R.attr.classLoader
+
+
+class ModPackageManagerService {
+    companion object {
+        @JvmStatic
+        fun initAndroid(prefs: XSharedPreferences, classLoader: ClassLoader, modRes: XModuleResources) {
+
+            val hasSystemFeatureHook = object : XC_MethodHook() {
+
+                override fun afterHookedMethod(param: MethodHookParam?) {
+                    if (param!!.args[0].toString() == PackageManager.FEATURE_FINGERPRINT) {
+                        param!!.result = true
+                    }
+                }
+            }
+
+            XposedHelpers.findAndHookMethod("android.app.ContextImpl", classLoader,
+                "getPackageManager", object : XC_MethodHook() {
+                    @Throws(Throwable::class)
+                    override fun afterHookedMethod(param: MethodHookParam?) {
+                        if (param!!.result is PackageManager) {
+                            val clazz = param.result.javaClass
+                            val packageMethod = clazz.getDeclaredMethod("hasSystemFeature", String::class.java)
+
+                            XposedBridge.hookMethod(packageMethod, hasSystemFeatureHook)
+
+                        }
+                    }
+                })
+
+        }
+    }
+}

app/src/main/java/com/edison/fingerface/XposedHandler.java

@@ -0,0 +1,57 @@
+package com.edison.fingerface;
+
+import android.app.AndroidAppHelper;
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.PermissionInfo;
+import android.content.res.XModuleResources;
+import android.content.res.XResources;
+import android.util.Log;
+import android.util.Pair;
+import de.robv.android.xposed.*;
+import de.robv.android.xposed.callbacks.XC_InitPackageResources;
+import de.robv.android.xposed.callbacks.XC_LoadPackage;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class XposedHandler implements IXposedHookZygoteInit, IXposedHookLoadPackage, IXposedHookInitPackageResources {
+    public static final String PACKAGE_NAME = XposedHandler.class.getPackage().getName();
+    private static final String TAG = "Fingerface";
+
+    private static XSharedPreferences prefs;
+    public static XModuleResources modRes;
+    private static String MODULE_PATH = null;
+
+    public static List<Pair<XResources, String>> packageResources = new ArrayList<>();
+
+    @Override
+    public void initZygote(StartupParam startupParam) throws Throwable {
+        MODULE_PATH = startupParam.modulePath;
+        modRes = XModuleResources.createInstance(MODULE_PATH, null);
+        prefs = new XSharedPreferences(PACKAGE_NAME);
+
+    }
+
+    @Override
+    public void handleInitPackageResources(XC_InitPackageResources.InitPackageResourcesParam resparam) throws Throwable {
+
+        if (resparam.packageName.equals("android")) {
+            return;
+        }
+
+        XModuleResources modRes = XModuleResources.createInstance(MODULE_PATH, resparam.res);
+
+    }
+
+    @Override
+    public void handleLoadPackage(XC_LoadPackage.LoadPackageParam lpparam) {
+
+        if (!lpparam.processName.equals("android") && !lpparam.processName.equals("com.android.systemui")) {
+            ModFingerface.initAndroid(prefs, lpparam.classLoader, modRes);
+            ModPackageManagerService.initAndroid(prefs, lpparam.classLoader, modRes);
+        }
+    }
+
+}

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:aapt="http://schemas.android.com/aapt"
+        android:width="108dp"
+        android:height="108dp"
+        android:viewportHeight="108"
+        android:viewportWidth="108">
+    <path
+            android:fillType="evenOdd"
+            android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+            android:strokeColor="#00000000"
+            android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                    android:endX="78.5885"
+                    android:endY="90.9159"
+                    android:startX="48.7653"
+                    android:startY="61.0927"
+                    android:type="linear">
+                <item
+                        android:color="#44000000"
+                        android:offset="0.0"/>
+                <item
+                        android:color="#00000000"
+                        android:offset="1.0"/>
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+            android:fillColor="#FFFFFF"
+            android:fillType="nonZero"
+            android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+            android:strokeColor="#00000000"
+            android:strokeWidth="1"/>
+</vector>

app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:height="108dp"
+        android:width="108dp"
+        android:viewportHeight="108"
+        android:viewportWidth="108">
+    <path android:fillColor="#008577"
+          android:pathData="M0,0h108v108h-108z"/>
+    <path android:fillColor="#00000000" android:pathData="M9,0L9,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,0L19,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,0L29,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,0L39,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,0L49,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,0L59,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,0L69,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,0L79,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M89,0L89,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M99,0L99,108"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,9L108,9"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,19L108,19"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,29L108,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,39L108,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,49L108,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,59L108,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,69L108,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,79L108,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,89L108,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,99L108,99"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,29L89,29"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,39L89,39"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,49L89,49"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,59L89,59"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,69L89,69"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,79L89,79"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,19L29,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,19L39,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,19L49,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,19L59,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,19L69,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,19L79,89"
+          android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+</vector>

app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,13 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="41.37931"
+    android:viewportHeight="41.37931"
+    android:tint="#000000">
+  <group android:translateX="8.689655"
+      android:translateY="8.689655">
+      <path
+          android:fillColor="#FF000000"
+          android:pathData="M11.99,2C6.47,2 2,6.48 2,12s4.47,10 9.99,10C17.52,22 22,17.52 22,12S17.52,2 11.99,2zM12,20c-4.42,0 -8,-3.58 -8,-8s3.58,-8 8,-8 8,3.58 8,8 -3.58,8 -8,8zM15.5,11c0.83,0 1.5,-0.67 1.5,-1.5S16.33,8 15.5,8 14,8.67 14,9.5s0.67,1.5 1.5,1.5zM8.5,11c0.83,0 1.5,-0.67 1.5,-1.5S9.33,8 8.5,8 7,8.67 7,9.5 7.67,11 8.5,11zM12,17.5c2.33,0 4.31,-1.46 5.11,-3.5L6.89,14c0.8,2.04 2.78,3.5 5.11,3.5z"/>
+  </group>
+</vector>

app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:tools="http://schemas.android.com/tools"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:context=".MainActivity">
+
+    <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Hello World!"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintTop_toTopOf="parent"/>
+
+</android.support.constraint.ConstraintLayout>

app/src/main/res/values/colors.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#008577</color>
+    <color name="colorPrimaryDark">#00574B</color>
+    <color name="colorAccent">#D81B60</color>
+</resources>

app/src/main/res/values/ic_launcher_background.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#FFFFFF</color>
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">Fingerface</string>
+</resources>

app/src/main/res/values/styles.xml

@@ -0,0 +1,11 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>

app/src/test/java/com/edison/fingerface/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package com.edison.fingerface
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}

build.gradle

@@ -0,0 +1,28 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    ext.kotlin_version = '1.3.41'
+    repositories {
+        google()
+        jcenter()
+        
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.4.2'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+        
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

gradle.properties

@@ -0,0 +1,15 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Sun Oct 27 23:20:41 CST 2019
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-all.zip

gradlew

@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

@@ -0,0 +1 @@
+include ':app'