Created a tile to quickly show user account image

lib/ui/widgets/account_image_widget.dart

@@ -0,0 +1,51 @@
+import 'package:cached_network_image/cached_network_image.dart';
+import 'package:comunic/models/user.dart';
+import 'package:flutter/material.dart';
+
+/// Account image widget
+///
+/// This widget is intended to only show a user account image
+///
+/// @author Pierre HUBERT
+
+class AccountImageWidget extends StatelessWidget {
+  final User user;
+  final double width;
+
+  const AccountImageWidget({Key key, this.user, this.width = 35.0})
+      : assert(user != null),
+        super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Material(
+      child: CachedNetworkImage(
+        imageUrl: user.accountImageURL,
+        width: width,
+        height: width,
+        fit: BoxFit.cover,
+        placeholder: (c, s) => Container(
+              color: Colors.grey,
+              width: width,
+              height: width,
+              child: CircularProgressIndicator(
+                strokeWidth: 7.0,
+              ),
+            ),
+        errorWidget: (c, s, o) => Container(
+              color: Colors.red,
+              width: width,
+              height: width,
+              child: Icon(
+                Icons.error,
+                color: Colors.white,
+              ),
+            ),
+      ),
+      borderRadius: BorderRadius.all(
+        Radius.circular(18.0),
+      ),
+      clipBehavior: Clip.hardEdge,
+    );
+  }
+}