添加自动更新设置

res/values/strings.xml

@@ -175,6 +175,9 @@
     <string name="thanks_title">Thanks</string>
     <string name="source_title">Source</string>
     <string name="update_about_settings_title">Update</string>
+    <string name="auto_check_for_update_title">Check for update automatically</string>
+    <string name="auto_check_for_update_summary_on">Check for update once a day</string>
+    <string name="auto_check_for_update_summary_off">Never check for update without your permission</string>
     <string name="check_for_update_title">Check for update</string>
     <string name="check_for_update_summary">Tap to check for update</string>
     <string name="update_server_title">Update server</string>