correct issues

src/screens/GroupScreen.tsx

@@ -12,6 +12,7 @@ import {
   ScrollView,
   Alert,
   RefreshControl,
+  ToastAndroid,
 } from "react-native";
 import { FAB } from "react-native-paper";
 import { Ionicons } from "@react-native-vector-icons/ionicons";
@@ -176,13 +177,12 @@ export default function GroupScreen() {
       console.log("JOIN_GROUP_URL  response:", res);
 
       if (res.statusCode === 200) {
-        Alert.alert("Success", "You requested to join the group.");
+        ToastAndroid.show('You requested to join the group.', ToastAndroid.SHORT);
       } else {
-        // Alert.alert("Error", res.message || "Failed to join group.");
+        ToastAndroid.show(res.message || "Failed to join group.", ToastAndroid.SHORT);
       }
     } catch (error) {
       console.error("Join Group Error:", error);
-      // Alert.alert("Error", "An unexpected error occurred.");
     }
   };