Initial implementation of handling CredentialProviderService:OnBeginGetCredentialRequest

Author: mohammaduvez

src/Kp2aBusinessLogic/IKp2aApp.cs

@@ -167,5 +167,11 @@ int WebDavChunkedUploadSize
     /// Registers an action that should be executed when the context instance with the given id has been resumed.
     /// </summary>
     void RegisterPendingActionForContextInstance(int contextInstanceId, ActionOnOperationFinished actionToPerformWhenContextIsResumed);
+
+    /// <summary>
+    /// Use an App level (singletone) AtomicInteger 
+    /// for the request code of pending intent in the credential provider service.
+    /// </summary>
+    int RequestCodeForCredentialProvider { get; }
   }
 }

src/keepass2android-app/Resources/values/strings.xml

@@ -1353,5 +1353,7 @@
 
   <string name="credential_provider_service_subtitle">Password credential provider</string>
   <string name="credential_provider_password_creation_description">Save Password in new entry</string>
+  <string name="open_app_name">Open %1$s</string>
+  <string name="manage_credentials">Manage Credentials</string>
 
 </resources>

src/keepass2android-app/app/App.cs

@@ -66,6 +66,7 @@ You should have received a copy of the GNU General Public License
 using Java.Interop;
 using AndroidX.Lifecycle;
 using keepass2android.services;
+using Java.Util.Concurrent.Atomic;
 
 
 namespace keepass2android
@@ -1628,6 +1629,13 @@ public void PerformPendingActions(int instanceId)
         }
       }
     }
+
+    private readonly AtomicInteger requestCodeForCredentialProvider = new();
+    public int RequestCodeForCredentialProvider
+    {
+      get => requestCodeForCredentialProvider.IncrementAndGet();
+    }
+
   }