update searchbox

MainAppDMT/lib/components/search_box.dart

+import 'package:flutter/material.dart';
+import 'package:flutter_svg/flutter_svg.dart';
+
+import '../constants.dart';
+
+class SearchBox extends StatelessWidget {
+  const SearchBox({
+    Key key,
+    this.onChanged,
+  }) : super(key: key);
+
+  final ValueChanged onChanged;
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      margin: EdgeInsets.all(kDefaultPadding),
+      padding: EdgeInsets.symmetric(
+        horizontal: kDefaultPadding,
+        vertical: kDefaultPadding / 4, // 5 top and bottom
+      ),
+      decoration: BoxDecoration(
+        color: Colors.white.withOpacity(0.4),
+        borderRadius: BorderRadius.circular(12),
+      ),
+      child: TextField(
+        onChanged: onChanged,
+        style: TextStyle(color: Colors.white),
+        decoration: InputDecoration(
+          enabledBorder: InputBorder.none,
+          focusedBorder: InputBorder.none,
+          icon: SvgPicture.asset("assets/icons/search.svg"),
+          hintText: 'Search',
+          hintStyle: TextStyle(color: Colors.white),
+        ),
+      ),
+    );
+  }
+}