优化

app/src/main/java/io/legado/app/ui/rss/read/ReadRssActivity.kt

@@ -89,7 +89,7 @@ class ReadRssActivity : VMBaseActivity<ActivityRssReadBinding, ReadRssViewModel>
             R.id.menu_rss_star -> viewModel.favorite()
             R.id.menu_share_it -> viewModel.rssArticle?.let {
                 share(it.link)
-            }
+            } ?: toastOnUi(R.string.null_url)
             R.id.menu_aloud -> readAloud()
         }
         return super.onCompatOptionsItemSelected(item)

app/src/main/res/values-ja-rJP/strings.xml

@@ -845,4 +845,5 @@
     <string name="group_style">分组样式</string>
     <string name="export_file_name">导出文件名</string>
     <string name="reset">重置</string>
+    <string name="null_url">url为空</string>
 </resources>

app/src/main/res/values-pt-rBR/strings.xml

@@ -845,4 +845,5 @@
     <string name="group_style">Formato de grupo</string>
     <string name="export_file_name">Exportar o nome do arquivo</string>
     <string name="reset">重置</string>
+    <string name="null_url">url为空</string>
 </resources>

app/src/main/res/values-zh-rHK/strings.xml

@@ -843,5 +843,6 @@
     <string name="group_style">分组样式</string>
     <string name="export_file_name">导出文件名</string>
     <string name="reset">重置</string>
+    <string name="null_url">url为空</string>
 
 </resources>

app/src/main/res/values-zh-rTW/strings.xml

@@ -844,5 +844,6 @@
     <string name="group_style">分組樣式</string>
     <string name="export_file_name">匯出檔案名</string>
     <string name="reset">重設</string>
+    <string name="null_url">url为空</string>
 
 </resources>

app/src/main/res/values-zh/strings.xml

@@ -844,5 +844,6 @@
     <string name="group_style">分组样式</string>
     <string name="export_file_name">导出文件名</string>
     <string name="reset">重置</string>
+    <string name="null_url">url为空</string>
 
 </resources>

app/src/main/res/values/strings.xml

@@ -845,5 +845,6 @@
     <string name="group_style">Group style</string>
     <string name="export_file_name">Export file name</string>
     <string name="reset">Reset</string>
+    <string name="null_url">Null url</string>
 
 </resources>