1 files changed, 27 insertions, 0 deletions
diff --git a/mobile/android/fenix/app/src/main/java/org/mozilla/fenix/settings/biometric/ext/BiometricManager.kt b/mobile/android/fenix/app/src/main/java/org/mozilla/fenix/settings/biometric/ext/BiometricManager.kt
new file mode 100644
index 0000000000..7b3788d972
--- /dev/null
+++ b/mobile/android/fenix/app/src/main/java/org/mozilla/fenix/settings/biometric/ext/BiometricManager.kt
@@ -0,0 +1,27 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.fenix.settings.biometric.ext
+
+import androidx.biometric.BiometricManager
+import androidx.biometric.BiometricManager.Authenticators.BIOMETRIC_WEAK
+import androidx.biometric.BiometricManager.BIOMETRIC_ERROR_HW_UNAVAILABLE
+import androidx.biometric.BiometricManager.BIOMETRIC_ERROR_NO_HARDWARE
+import androidx.biometric.BiometricManager.BIOMETRIC_SUCCESS
+
+/**
+ * Checks if the hardware requirements are met for using the [BiometricManager].
+ */
+fun BiometricManager.isHardwareAvailable(): Boolean {
+    val status = canAuthenticate(BIOMETRIC_WEAK)
+    return status != BIOMETRIC_ERROR_NO_HARDWARE && status != BIOMETRIC_ERROR_HW_UNAVAILABLE
+}
+
+/**
+ * Checks if the user can use the [BiometricManager] and is therefore enrolled.
+ */
+fun BiometricManager.isEnrolled(): Boolean {
+    val status = canAuthenticate(BIOMETRIC_WEAK)
+    return status == BIOMETRIC_SUCCESS
+}