implemented RMV public transit module including trip search, station departures, and nearby stop lookup, added "Marianum Connect" API integration with bearer token authentication and auto-refresh logic, integrated geolocator for location-based station search, added persistent storage for favorite stations and recent trip queries, and implemented comprehensive UI for journey details, trip results, and disruption alerts

android/app/src/main/AndroidManifest.xml

@@ -4,7 +4,8 @@
         android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher"
         android:fullBackupContent="@xml/backup_rules"
-        android:dataExtractionRules="@xml/data_extraction_rules">
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:networkSecurityConfig="@xml/network_security_config">
         <activity
             android:name=".MainActivity"
             android:exported="true"
@@ -106,4 +107,7 @@
     <!-- Workmanager periodic widget refresh needs to reschedule after device
          reboot, otherwise the widget freezes until the user opens the app. -->
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
+    <!-- RMV "in meiner Nähe"-Suche. Coarse reicht (RMV-Suchradius >= 500 m). -->
+    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
 </manifest>

android/app/src/main/res/xml/network_security_config.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<network-security-config>
+    <!-- Allow cleartext for the MarianumConnect test instance only. Once the
+         production URL with HTTPS is live, drop this domain-config entry. -->
+    <domain-config cleartextTrafficPermitted="true">
+        <domain includeSubdomains="true">muelleel.ddns.net</domain>
+    </domain-config>
+</network-security-config>