refactor: remove link material prop

lib/scaffolds/utils.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:git_touch/models/theme.dart';
-import 'package:git_touch/widgets/link.dart';
+import 'package:git_touch/widgets/error_reload.dart';
 import 'package:git_touch/widgets/loading.dart';
 import 'package:provider/provider.dart';
 
@@ -90,35 +90,7 @@ class ErrorLoadingWrapper extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     if (error.isNotEmpty) {
-      return Container(
+      return ErrorReload(text: error, onTap: reload);
-        padding: EdgeInsets.symmetric(vertical: 30, horizontal: 20),
-        child: Column(
-          children: <Widget>[
-            Text(
-              'Woops, something bad happened. Error message:',
-              style: TextStyle(fontSize: 16),
-            ),
-            Padding(padding: EdgeInsets.only(top: 10)),
-            Text(
-              error,
-              style: TextStyle(
-                fontSize: 14,
-                fontWeight: FontWeight.w300,
-                color: Colors.redAccent,
-              ),
-            ),
-            Padding(padding: EdgeInsets.only(top: 10)),
-            Link(
-              child: Text(
-                'Reload',
-                style: TextStyle(fontSize: 20, color: Colors.blueAccent),
-              ),
-              onTap: reload,
-              material: false,
-            ),
-          ],
-        ),
-      );
     }
 
     if (loading) {

lib/screens/notifications.dart

@@ -7,7 +7,6 @@ import 'package:git_touch/models/notification.dart';
 import 'package:git_touch/models/auth.dart';
 import '../widgets/notification_item.dart';
 import '../widgets/list_group.dart';
-import '../widgets/link.dart';
 import '../widgets/empty.dart';
 import '../utils/utils.dart';
 
@@ -109,8 +108,7 @@ $key: pullRequest(number: ${item.number}) {
             repo,
             style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600),
           ),
-          Link(
+          GestureDetector(
-            material: false,
             onTap: () async {
               await Provider.of<AuthModel>(context)
                   .putWithCredentials('/repos/$repo/notifications');

lib/widgets/avatar.dart

@@ -34,7 +34,6 @@ class Avatar extends StatelessWidget {
       return Link(
         screenBuilder: (_) => UserScreen(login),
         child: avatar,
-        material: false,
       );
     }
   }

lib/widgets/error_reload.dart

@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'link.dart';
 
 class ErrorReload extends StatelessWidget {
   final String text;
@@ -27,13 +26,12 @@ class ErrorReload extends StatelessWidget {
             ),
           ),
           Padding(padding: EdgeInsets.only(top: 10)),
-          Link(
+          GestureDetector(
             child: Text(
               'Reload',
               style: TextStyle(fontSize: 20, color: Colors.blueAccent),
             ),
             onTap: onTap,
-            material: false,
           ),
         ],
       ),

lib/widgets/link.dart

@@ -9,14 +9,12 @@ class Link extends StatelessWidget {
   final String url;
   final WidgetBuilder screenBuilder;
   final Function onTap;
-  final bool material;
 
   Link({
     this.child,
     this.url,
     this.screenBuilder,
     this.onTap,
-    this.material = true,
   }) : assert(screenBuilder == null || url == null);
 
   void _onTap(BuildContext context) {
@@ -33,13 +31,6 @@ class Link extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    if (!material) {
-      return GestureDetector(
-        child: child,
-        onTap: () => _onTap(context),
-      );
-    }
-
     return Material(
       child: Ink(
         color: Colors.white,