TagListing: Show text when empty

assets/langs/en.yaml

@@ -144,6 +144,7 @@ screens:
       empty: Please enter a name
   tags:
     title: Tags
+    empty: No Tags Found
   filesystem:
     ignoredFile:
       title: File Ignored
@@ -152,6 +153,9 @@ screens:
     rename:
       decoration: File Name
       title: Rename
+  folder_view:
+    empty: Let's add some notes?
+
 widgets:
   rename:
     yes: Rename

lib/screens/folder_view.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 
+import 'package:easy_localization/easy_localization.dart';
 import 'package:git_bindings/git_bindings.dart';
 import 'package:provider/provider.dart';
 
@@ -81,11 +82,10 @@ class _FolderViewState extends State<FolderView> {
 
     Widget folderView = Builder(
       builder: (BuildContext context) {
-        const emptyText = "Let's add some notes?";
         return buildFolderView(
           viewType: _viewType,
           folder: sortedNotesFolder,
-          emptyText: emptyText,
+          emptyText: tr('screens.folder_view.empty'),
           header: _headerType,
           showSummary: _showSummary,
           noteTapped: (Note note) {

lib/screens/tag_listing.dart

@@ -23,11 +23,26 @@ class TagListingScreen extends StatelessWidget {
     var allTags = rootFolder.getNoteTagsRecursively();
     var allTagsSorted = SplayTreeSet<String>.from(allTags);
 
-    var listView = ListView(
+    Widget body;
-      children: <Widget>[
+    if (allTagsSorted.isNotEmpty) {
-        for (var tag in allTagsSorted) _buildTagTile(context, tag),
+      body = ListView(
-      ],
+        children: <Widget>[
-    );
+          for (var tag in allTagsSorted) _buildTagTile(context, tag),
+        ],
+      );
+    } else {
+      body = Center(
+        child: Text(
+          tr("screens.tags.empty"),
+          textAlign: TextAlign.center,
+          style: TextStyle(
+            fontSize: 28.0,
+            fontWeight: FontWeight.w300,
+            color: Colors.grey[350],
+          ),
+        ),
+      );
+    }
 
     return Scaffold(
       appBar: AppBar(
@@ -37,7 +52,7 @@ class TagListingScreen extends StatelessWidget {
       body: Scrollbar(
         child: ProOverlay(
           feature: Feature.tags,
-          child: listView,
+          child: body,
         ),
       ),
       drawer: AppDrawer(),