Includes BiometricsAPI

app/build.gradle

@@ -29,10 +29,10 @@ android {
 }
 
 dependencies {
-
+    implementation 'androidx.biometric:biometric:1.0.1'
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'com.google.android.material:material:1.2.1'
-    implementation 'androidx.constraintlayout:constraintlayout:2.0.2'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
     testImplementation 'junit:junit:4.+'
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'

app/src/main/AndroidManifest.xml

@@ -19,8 +19,12 @@
         </activity>
     </application>
     <uses-feature android:name="android.hardware.fingerprint"
+        android:required="false"
+        />
+    <uses-feature android:name="android.hardware.biometrics"
         android:required="false"/>
     <!--Required so Google Play won't prevent app installation when a fingerprint sensor isn't present-->
     <uses-permission
-        android:name="android.permission.USE_FINGERPRINT" />
+        android:name="android.permission.USE_FINGERPRINT"/>
+    <uses-permission android:name="android.permission.USE_BIOMETRIC"/>
 </manifest>
\ No newline at end of file

app/src/main/java/com/besendorf/androidsecurityscanner/MainActivity.java

@@ -20,6 +20,8 @@
 package com.besendorf.androidsecurityscanner;
 
 import android.annotation.SuppressLint;
+import androidx.biometric.BiometricManager;
+//import androidx.biometric.BiometricPrompt;
 import android.hardware.fingerprint.FingerprintManager;
 import android.os.Build;
 import android.os.Bundle;
@@ -44,6 +46,8 @@ import java.security.NoSuchAlgorithmException;
 import java.security.NoSuchProviderException;
 import javax.crypto.KeyGenerator;
 
+import static android.hardware.biometrics.BiometricManager.Authenticators.BIOMETRIC_STRONG;
+
 public class MainActivity extends AppCompatActivity {
 
     private TextView reportTextView;
@@ -77,6 +81,7 @@ public class MainActivity extends AppCompatActivity {
                 json.put("ro.boot.veritymode",getProp("ro.boot.veritymode")); //unklar
                 json.put("KeyStore",keyStorePresence());
                 json.put("Strongbox", isStrongbox());
+                json.put("FingerprintQuality", fingerprintQuality());
             } catch (JSONException e) {
                 e.printStackTrace();
             }
@@ -99,6 +104,16 @@ public class MainActivity extends AppCompatActivity {
             }
             return false;
         }
+        
+        private String fingerprintQuality(){
+            if (BiometricManager.from(this).canAuthenticate(BIOMETRIC_STRONG))
+                return "STRONG";
+            if (BiometricManager.from(this).canAuthenticate(BIOMETRIC_WEAK))
+                return "WEAK";
+            if (BiometricManager.from(this).canAuthenticate(BIOMETRIC_CREDENTIAL))
+                return "CREDENTIAL";
+            return null;
+        } 
 
         private boolean keyStorePresence(){
             // to check for KeyStore presence we try to get an Instance of KeyStore and if we get the Exception we return false

build.gradle

@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.1'
+        classpath 'com.android.tools.build:gradle:4.1.2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

gradle/wrapper/gradle-wrapper.properties

-#Tue Nov 03 16:27:54 CET 2020
+#Tue Jan 19 20:33:34 CET 2021
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip