fix(fdroid): Firebase-free stubs for expo-notifications

fdroid/expo-notifications-patches/notifications/interfaces/NotificationListener.java

@@ -0,0 +1,37 @@
+package expo.modules.notifications.notifications.interfaces;
+
+import android.os.Bundle;
+
+import expo.modules.notifications.notifications.model.Notification;
+import expo.modules.notifications.notifications.model.NotificationResponse;
+
+/**
+ * Patched version (Firebase-free) for F-Droid builds.
+ * Removed: import com.google.firebase.messaging.FirebaseMessagingService (only used in javadoc).
+ */
+public interface NotificationListener {
+  /**
+   * Callback called when new notification is received while the app is in foreground.
+   */
+  default void onNotificationReceived(Notification notification) {
+  }
+
+  /**
+   * Callback called when new notification response is received.
+   */
+  default boolean onNotificationResponseReceived(NotificationResponse response) {
+    return false;
+  }
+
+  /**
+   * Callback called when notification response is received through package lifecycle listeners.
+   */
+  default void onNotificationResponseIntentReceived(Bundle extras) {
+  }
+
+  /**
+   * Callback called when some notifications are dropped.
+   */
+  default void onNotificationsDropped() {
+  }
+}