Add biometric error message

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

@@ -10,6 +10,7 @@ import android.view.MenuInflater
 import android.widget.CompoundButton
 import android.widget.TextView
 import androidx.annotation.RequiresApi
+import androidx.biometric.BiometricConstants
 import androidx.biometric.BiometricManager
 import androidx.biometric.BiometricPrompt
 import androidx.fragment.app.FragmentActivity
@@ -155,7 +156,7 @@ class AdvancedUnlockedManager(var context: FragmentActivity,
     private fun initNotAvailable() {
         showFingerPrintViews(false)
 
-        advancedUnlockInfoView?.setIconViewClickListener(null)
+        advancedUnlockInfoView?.setIconViewClickListener(false, null)
     }
 
     private fun initNotConfigured() {
@@ -173,7 +174,11 @@ class AdvancedUnlockedManager(var context: FragmentActivity,
         setAdvancedUnlockedTitleView(R.string.no_credentials_stored)
         setAdvancedUnlockedMessageView("")
 
-        advancedUnlockInfoView?.setIconViewClickListener(null)
+        advancedUnlockInfoView?.setIconViewClickListener(false) {
+            biometricAuthenticationCallback.onAuthenticationError(
+                    BiometricConstants.ERROR_UNABLE_TO_PROCESS
+                    , context.getString(R.string.credential_before_click_biometric_button))
+        }
     }
 
     private fun openBiometricPrompt(biometricPrompt: BiometricPrompt?,

app/src/main/java/com/kunzisoft/keepass/view/AdvancedUnlockInfoView.kt

@@ -51,12 +51,18 @@ class AdvancedUnlockInfoView @JvmOverloads constructor(context: Context,
         }
     }
 
-    fun setIconViewClickListener(listener: ((view: View)->Unit)?) {
+    fun setIconViewClickListener(animation: Boolean = true,
+                                 listener: ((view: View)->Unit)?) {
+        var animateButton = animation
         if (listener == null)
-            stopIconViewAnimation()
-        else
+            animateButton = false
+        if (animateButton) {
             startIconViewAnimation()
-        unlockContainerView.alpha = if (listener == null) 0.8f else 1f
+            unlockContainerView.alpha = 1f
+        } else {
+            stopIconViewAnimation()
+            unlockContainerView.alpha = 0.8f
+        }
         unlockIconImageView?.setOnClickListener(listener)
     }
 

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

@@ -261,6 +261,7 @@
     <!--This problem could be with scanning, or something else.-->
     <string name="biometric_scanning_error">Biometric error: %1$s</string>
     <string name="no_credentials_stored">This database does not have stored credential yet.</string>
+    <string name="credential_before_click_biometric_button">Type the password before clicking the biometric button.</string>
     <string name="database_history">History</string>
     <string name="menu_appearance_settings">Appearance</string>
     <string name="biometric">Biometric</string>