feat: biometrics type

android/src/main/java/com/reactnativesimplebiometrics/SimpleBiometricsModule.java

@@ -1,6 +1,7 @@
 package com.reactnativesimplebiometrics;
 
 import android.app.Activity;
+import android.content.pm.PackageManager;
 import androidx.annotation.NonNull;
 
 import java.util.concurrent.Executor;
@@ -16,8 +17,6 @@
 import androidx.core.content.ContextCompat;
 import androidx.fragment.app.FragmentActivity;
 
-
-
 @ReactModule(name = SimpleBiometricsModule.NAME)
 public class SimpleBiometricsModule extends ReactContextBaseJavaModule {
     public static final String NAME = "SimpleBiometrics";
@@ -96,4 +95,22 @@ public void onAuthenticationSucceeded(@NonNull BiometricPrompt.AuthenticationRes
         );
 
     }
+
+    @ReactMethod
+    public void getBiometryType(Promise promise) {
+        try {
+            ReactApplicationContext context = getReactApplicationContext();
+            PackageManager pm = context.getPackageManager();
+
+            if (pm.hasSystemFeature(PackageManager.FEATURE_FINGERPRINT)) {
+                promise.resolve("Fingerprint");
+            } else if (pm.hasSystemFeature(PackageManager.FEATURE_FACE)) {
+                promise.resolve("Face");
+            } else {
+                promise.resolve("None");
+            }
+        } catch (Exception e) {
+            promise.resolve("Unknown");
+        }
+    }
 }

example/App.tsx

@@ -10,12 +10,21 @@ import RNBiometrics from 'react-native-simple-biometrics';
 
 const App = () => {
   const [canAuth, setCanAuth] = useState(false);
+  const [type, setType] = useState('');
   const [authenticated, setAuthenticated] = useState(false);
 
   useEffect(() => {
     RNBiometrics.canAuthenticate().then(setCanAuth);
   }, []);
 
+  useEffect(() => {
+    if (!canAuth) {
+      setType('Unknown');
+      return;
+    }
+    RNBiometrics.getBiometryType().then(setType);
+  }, [canAuth]);
+
   const authenticate = useCallback(async () => {
     try {
       const success = await RNBiometrics.requestBioAuth(
@@ -40,7 +49,7 @@ const App = () => {
               {authenticated ? '🔓' : '🔒'}
             </Text>
             <Text style={styles.subtitle}>
-              {authenticated ? '$1,000,000' : '(tap to unlock)'}
+              {authenticated ? '$1,000,000' : `(tap to unlock using ${type})`}
             </Text>
           </>
         ) : (

ios/RNSimpleBiometricsSpec.h

@@ -0,0 +1,20 @@
+#import <ReactCommon/ReactTurboModule.h>
+#import <ReactCommon/TurboModuleUtils.h>
+#import <React/RCTBridgeModule.h>
+#import <memory>
+
+namespace facebook {
+namespace react {
+
+  class JSI_EXPORT NativeSimpleBiometricsSpecJSI : public ObjCTurboModule {
+  public:
+    NativeSimpleBiometricsSpecJSI(const ObjCTurboModule::InitParams &params);
+
+    // Declare the methods your module exports
+    void canAuthenticate(jsi::Runtime &rt, std::function<void(jsi::Value)> &&resolve, std::function<void(jsi::Value)> &&reject);
+    void requestBioAuth(jsi::Runtime &rt, const std::string &title, const std::string &subtitle, std::function<void(jsi::Value)> &&resolve, std::function<void(jsi::Value)> &&reject);
+    void getBiometryType(jsi::Runtime &rt, std::function<void(jsi::Value)> &&resolve, std::function<void(jsi::Value)> &&reject);
+  };
+
+}
+}

ios/SimpleBiometrics.mm

@@ -56,6 +56,34 @@ @implementation SimpleBiometrics
 
 }
 
+RCT_REMAP_METHOD(getBiometryType,
+                 getBiometryTypeWithResolver:(RCTPromiseResolveBlock)resolve
+                 rejecter:(RCTPromiseRejectBlock)reject)
+{
+    LAContext *context = [[LAContext alloc] init];
+    NSError *la_error = nil;
+
+    // Check if the device can evaluate a biometric policy
+    if ([context canEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics error:&la_error]) {
+        if (@available(iOS 11.0, *)) {
+            // iOS 11+ supports biometryType property
+            if (context.biometryType == LABiometryTypeFaceID) {
+                resolve(@"FaceID");
+            } else if (context.biometryType == LABiometryTypeTouchID) {
+                resolve(@"TouchID");
+            } else {
+                resolve(@"None");
+            }
+        } else {
+            // Fallback for iOS versions earlier than 11.0
+            resolve(@"Unknown");
+        }
+    } else {
+        // Handle the error case where biometric authentication is not available
+        resolve(@"None");
+    }
+}
+
 // Don't compile this code when we build for the old architecture.
 #ifdef RCT_NEW_ARCH_ENABLED
 - (std::shared_ptr<facebook::react::TurboModule>)getTurboModule:

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-native-simple-biometrics",
-  "version": "1.5.2",
+  "version": "1.8.0",
   "description": "test",
   "main": "lib/commonjs/index",
   "module": "lib/module/index",
@@ -35,34 +35,34 @@
     "ios",
     "android"
   ],
-  "repository": "https://github.com/smallcase/react-native-simple-biometrics",
+  "repository": "https://github.com/kierancrown/react-native-simple-biometrics",
   "author": "smallcase <[email protected]> (https://github.com/smallcase)",
   "license": "MIT",
   "bugs": {
-    "url": "https://github.com/smallcase/react-native-simple-biometrics/issues"
+    "url": "https://github.com/kierancrown/react-native-simple-biometrics/issues"
   },
-  "homepage": "https://github.com/smallcase/react-native-simple-biometrics#readme",
+  "homepage": "https://github.com/kierancrown/react-native-simple-biometrics#readme",
   "publishConfig": {
     "registry": "https://registry.npmjs.org/"
   },
   "devDependencies": {
     "@arkweid/lefthook": "^0.7.7",
     "@babel/eslint-parser": "^7.18.2",
     "@commitlint/config-conventional": "^17.0.2",
-    "@react-native-community/eslint-config": "^3.0.2",
+    "@react-native-community/eslint-config": "^3.2.0",
     "@release-it/conventional-changelog": "^5.0.0",
     "@types/jest": "^28.1.2",
     "@types/react": "~17.0.21",
-    "@types/react-native": "0.68.0",
+    "@types/react-native": "^0.73.0",
     "commitlint": "^17.0.2",
     "eslint": "^8.4.1",
     "eslint-config-prettier": "^8.5.0",
     "eslint-plugin-prettier": "^4.0.0",
     "jest": "^28.1.1",
     "pod-install": "^0.1.0",
     "prettier": "^2.0.5",
-    "react": "17.0.2",
-    "react-native": "0.68.2",
+    "react": "18.3.1",
+    "react-native": "^0.76.0",
     "react-native-builder-bob": "^0.18.3",
     "release-it": "^15.0.0",
     "typescript": "^4.5.2"

react-native-simple-biometrics.podspec

@@ -1,7 +1,7 @@
 require "json"
 
 package = JSON.parse(File.read(File.join(__dir__, "package.json")))
-folly_version = '2021.06.28.00-v2'
+folly_version = '2024.01.01.00'
 folly_compiler_flags = '-DFOLLY_NO_CONFIG -DFOLLY_MOBILE=1 -DFOLLY_USE_LIBCPP=1 -Wno-comma -Wno-shorten-64-to-32'
 
 Pod::Spec.new do |s|
@@ -13,7 +13,7 @@ Pod::Spec.new do |s|
   s.authors      = package["author"]
 
   s.platforms    = { :ios => "10.0" }
-  s.source       = { :git => "https://github.com/smallcase/react-native-simple-biometrics.git", :tag => "#{s.version}" }
+  s.source       = { :git => "https://github.com/kierancrown/react-native-simple-biometrics.git", :tag => "#{s.version}" }
 
   s.source_files = "ios/**/*.{h,m,mm}"
 

src/index.tsx

@@ -32,9 +32,19 @@ const requestBioAuth = (
   return RNBiometricsNative.requestBioAuth(promptTitle, promptMessage);
 };
 
+/**
+ * Get the type of biometric authentication available on the device
+ */
+const getBiometryType = (): Promise<
+  'Fingerprint' | 'Face' | 'None' | 'Unknown'
+> => {
+  return RNBiometricsNative.getBiometryType();
+};
+
 const RNBiometrics = {
   requestBioAuth,
   canAuthenticate,
+  getBiometryType,
 };
 
 export default RNBiometrics;