update

android/app/src/main/AndroidManifest.xml

@@ -42,4 +42,6 @@
             <data android:mimeType="text/plain"/>
         </intent>
     </queries>
+
+    <uses-permission android:name="android.permission.INTERNET"/>
 </manifest>

lib/widgets/button_widget.dart

@@ -10,8 +10,8 @@ class ButtonWidget extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return TextButton(
-        style: TextButton.styleFrom(
+    return ElevatedButton(
+        style: ElevatedButton.styleFrom(
           foregroundColor: Color(0xFF8E44AD), // text color
           backgroundColor: const Color(0xFFE8DAEF), // background color
           side: const BorderSide(color: Color.fromARGB(55, 255, 255, 255)), // border color