update login and verify otp

src/screens/LoginScreen.tsx

@@ -27,9 +27,10 @@ const theme = {
 };
 
 export default function LoginScreen() {
+  
+  const navigation = useNavigation<StackNavigationProp<RootStackParamList>>();
   const [mobile, setMobile] = useState("");
-    const navigation = useNavigation<StackNavigationProp<RootStackParamList>>();
-
+  const [loading, setLoading] = useState(false);
 
   // animations
   const fade = useRef(new Animated.Value(0)).current;
@@ -43,17 +44,21 @@ export default function LoginScreen() {
     ]).start();
   }, []);
 
- const handleContinue = async () => {
+  const handleContinue = async () => {
     if (mobile.length === 10) {
-      console.log("Mobile submitted:", mobile);
+      setLoading(true);
       try {
-        const res = await axios.get(LOGIN_URL+mobile)
-        console.log('loginres',res.data)
-        if(res.data.statusCode === 200){
-            navigation.navigate('OtpVarify', { mobile: mobile })
+        console.log("Mobile submitted:", mobile);
+        const res = await axios.get(LOGIN_URL + mobile)
+        console.log('loginres', res.data)
+        if (res.data.statusCode === 200) {
+          navigation.navigate('OtpVarify', { mobile: mobile })
         }
       } catch (error) {
-        
+        console.error("Login error:", error);
+        Alert.alert("Error", "Failed to send OTP. Please try again.");
+      }finally {
+        setLoading(false);
       }
     } else {
       Alert.alert("Please enter a valid 10-digit mobile number");