优化界面，修改 author 为空显示 shareUser

Author: iceCola7

lib/ui/about_screen.dart

@@ -33,6 +33,7 @@ class AboutScreen extends StatelessWidget {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
+        elevation: 0.4,
         title: Text("关于"),
       ),
       body: new ListView(

lib/ui/setting_screen.dart

@@ -22,6 +22,7 @@ class SettingScreenState extends State<SettingScreen> {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
+        elevation: 0.4,
         title: Text('设置'),
       ),
       body: ListView(

lib/ui/todo_add_screen.dart

@@ -98,6 +98,7 @@ class TodoAddScreenSate extends State<TodoAddScreen> {
         child: Scaffold(
           resizeToAvoidBottomInset: false,
           appBar: AppBar(
+            elevation: 0.4,
             title: new Text(toolbarTitle),
           ),
           body: Container(

lib/ui/webview_screen.dart

@@ -72,14 +72,14 @@ class WebViewScreenState extends State<WebViewScreen> {
         ),
         actions: <Widget>[
           IconButton(
-            tooltip: '用浏览器打开',
+            // tooltip: '用浏览器打开',
             icon: Icon(Icons.language, size: 20.0),
             onPressed: () {
               RouteUtil.launchInBrowser(widget.url, title: widget.title);
             },
           ),
           IconButton(
-            tooltip: '分享',
+            // tooltip: '分享',
             icon: Icon(Icons.share, size: 20.0),
             onPressed: () {
               Share.share('${widget.title} : ${widget.url}');

lib/widgets/item_article_list.dart

@@ -93,7 +93,7 @@ class ItemArticleListState extends State<ItemArticleList> {
                   ),
                 ),
                 Text(
-                  item.author,
+                  item.author.isNotEmpty ? item.author : item.shareUser,
                   style: TextStyle(fontSize: 12, color: Colors.grey[600]),
                   textAlign: TextAlign.left,
                 ),

lib/widgets/item_hot_result_list.dart

@@ -74,7 +74,7 @@ class ItemHotResultListState extends State<ItemHotResultList> {
                   ),
                 ),
                 Text(
-                  item.author,
+                  item.author.isNotEmpty ? item.author : item.shareUser,
                   style: TextStyle(
                     fontSize: 12,
                     color: Colors.grey[600],

lib/widgets/item_knowledge_detail_list.dart

@@ -49,7 +49,9 @@ class ItemKnowledgeDetailListState extends State<ItemKnowledgeDetailList> {
                       child: Row(
                         children: <Widget>[
                           Text(
-                            item.author,
+                            item.author.isNotEmpty
+                                ? item.author
+                                : item.shareUser,
                             style: TextStyle(
                               fontSize: 12,
                               color: Colors.grey[600],

lib/widgets/item_project_list.dart

@@ -81,7 +81,9 @@ class ItemProjectListState extends State<ItemProjectList> {
                           mainAxisAlignment: MainAxisAlignment.spaceBetween,
                           children: <Widget>[
                             Text(
-                              item.author,
+                              item.author.isNotEmpty
+                                  ? item.author
+                                  : item.shareUser,
                               style: TextStyle(
                                 fontSize: 12,
                                 color: Colors.grey[600],

lib/widgets/item_wechat_list.dart

@@ -34,7 +34,7 @@ class ItemWeChatListState extends State<ItemWeChatList> {
             child: Row(
               children: <Widget>[
                 Text(
-                  item.author,
+                  item.author.isNotEmpty ? item.author : item.shareUser,
                   style: TextStyle(fontSize: 12, color: Colors.grey[600]),
                   textAlign: TextAlign.left,
                 ),