Fix form keyboard issues and sticky footers in agent screens

src/modules/services/hooks/useUserLocation.ts

@@ -0,0 +1,89 @@
+import { useState, useEffect, useCallback } from 'react';
+import { Platform, PermissionsAndroid, Alert } from 'react-native';
+import Geolocation from '@react-native-community/geolocation';
+
+interface UserLocation {
+  latitude: number;
+  longitude: number;
+}
+
+interface UseUserLocationResult {
+  location: UserLocation | null;
+  loading: boolean;
+  error: string | null;
+  refresh: () => void;
+}
+
+/**
+ * Hook to get and manage the user's current GPS location.
+ * Handles permissions for both Android and iOS.
+ */
+export const useUserLocation = (): UseUserLocationResult => {
+  const [location, setLocation] = useState<UserLocation | null>(null);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+
+  const requestPermission = useCallback(async (): Promise<boolean> => {
+    if (Platform.OS === 'ios') {
+      // iOS permission is handled via Info.plist; Geolocation auto-prompts
+      return true;
+    }
+
+    try {
+      const granted = await PermissionsAndroid.request(
+        PermissionsAndroid.PERMISSIONS.ACCESS_FINE_LOCATION,
+        {
+          title: 'Location Permission',
+          message: 'BankCBS needs access to your location to find nearby branches.',
+          buttonPositive: 'Allow',
+          buttonNegative: 'Deny',
+        },
+      );
+      return granted === PermissionsAndroid.RESULTS.GRANTED;
+    } catch {
+      return false;
+    }
+  }, []);
+
+  const fetchLocation = useCallback(async () => {
+    setLoading(true);
+    setError(null);
+
+    const hasPermission = await requestPermission();
+
+    if (!hasPermission) {
+      setError('Location permission denied');
+      setLoading(false);
+      // Fallback to a default location (Bengaluru) for demo purposes
+      setLocation({ latitude: 12.9716, longitude: 77.5946 });
+      return;
+    }
+
+    Geolocation.getCurrentPosition(
+      (position) => {
+        setLocation({
+          latitude: position.coords.latitude,
+          longitude: position.coords.longitude,
+        });
+        setLoading(false);
+      },
+      (err) => {
+        setError(err.message);
+        setLoading(false);
+        // Fallback to a default location for demo purposes
+        setLocation({ latitude: 12.9716, longitude: 77.5946 });
+      },
+      {
+        enableHighAccuracy: true,
+        timeout: 15000,
+        maximumAge: 60000,
+      },
+    );
+  }, [requestPermission]);
+
+  useEffect(() => {
+    fetchLocation();
+  }, [fetchLocation]);
+
+  return { location, loading, error, refresh: fetchLocation };
+};