Create a Kotlin Config object in vector-config module, for easy configuration.

vector-config/src/main/java/im/vector/app/config/Config.kt

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2022 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.app.config
+
+/**
+ * Set of flags to configure the application.
+ */
+object Config {
+    /**
+     * Flag to allow external UnifiedPush distributors to be chosen by the user.
+     *
+     * Set to true to allow any available external UnifiedPush distributor to be chosen by the user.
+     * - For Gplay variant it means that FCM will be used by default, but user can choose another UnifiedPush distributor;
+     * - For F-Droid variant, it means that background polling will be used by default, but user can choose another UnifiedPush distributor.
+     *
+     * Set to false to prevent usage of external UnifiedPush distributors.
+     * - For Gplay variant it means that only FCM will be used;
+     * - For F-Droid variant, it means that only background polling will be available to the user.
+     *
+     * *Note*: Changing the value from `true` to `false` when the app is already installed on users' phone may have unexpected behavior.
+     */
+    const val ALLOW_EXTERNAL_UNIFIED_PUSH_DISTRIBUTORS = true
+}

vector/src/main/java/im/vector/app/features/VectorFeatures.kt

@@ -17,6 +17,7 @@
 package im.vector.app.features
 
 import im.vector.app.BuildConfig
+import im.vector.app.config.Config
 
 interface VectorFeatures {
 
@@ -45,15 +46,6 @@ class DefaultVectorFeatures : VectorFeatures {
     override fun isOnboardingPersonalizeEnabled() = false
     override fun isOnboardingCombinedRegisterEnabled() = false
     override fun isOnboardingCombinedLoginEnabled() = false
-
-    /**
-     * Return false to prevent usage of external UnifiedPush distributors.
-     * - For Gplay variant it means that only FCM will be used;
-     * - For F-Droid variant, it means that only background polling will be available to the user.
-     * Return true to allow any available external UnifiedPush distributor to be chosen by the user.
-     * - For Gplay variant it means that FCM will be used by default, but user can choose another UnifiedPush distributor;
-     * - For F-Droid variant, it means that background polling will be used by default, but user can choose another UnifiedPush distributor.
-     */
-    override fun allowExternalUnifiedPushDistributors(): Boolean = true
+    override fun allowExternalUnifiedPushDistributors(): Boolean = Config.ALLOW_EXTERNAL_UNIFIED_PUSH_DISTRIBUTORS
     override fun isScreenSharingEnabled(): Boolean = true
 }