Fix auto biometric prompt in background #554

app/src/main/java/com/kunzisoft/keepass/activities/PasswordActivity.kt

@@ -499,14 +499,12 @@ open class PasswordActivity : StylishActivity() {
     override fun onPause() {
         mProgressDialogThread?.unregisterProgressTask()
 
-        super.onPause()
-    }
-
-    override fun onDestroy() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
             advancedUnlockedManager?.destroy()
+            advancedUnlockedManager = null
         }
-        super.onDestroy()
+
+        super.onPause()
     }
 
     private fun verifyCheckboxesAndLoadDatabase(cipherDatabaseEntity: CipherDatabaseEntity? = null) {

app/src/main/java/com/kunzisoft/keepass/biometric/AdvancedUnlockedManager.kt

@@ -272,6 +272,8 @@ class AdvancedUnlockedManager(var context: FragmentActivity,
     }
 
     fun destroy() {
+        // Close the biometric prompt
+        biometricUnlockDatabaseHelper?.closeBiometricPrompt()
         // Restore the checked listener
         checkboxPasswordView?.setOnCheckedChangeListener(onCheckedPasswordChangeListener)
     }

app/src/main/java/com/kunzisoft/keepass/biometric/BiometricUnlockDatabaseHelper.kt

@@ -271,6 +271,10 @@ class BiometricUnlockDatabaseHelper(private val context: FragmentActivity) {
         }
     }
 
+    fun closeBiometricPrompt() {
+        biometricPrompt?.cancelAuthentication()
+    }
+
     interface BiometricUnlockErrorCallback {
         fun onInvalidKeyException(e: Exception)
         fun onBiometricException(e: Exception)