!4 发现 -任务专区 ，活动专区

* 完成发现-任务专区，活动专区

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

@@ -1,5 +1,5 @@
 <resources>
-    <string name="app_name">navinfo</string>
+    <string name="app_name">mapp</string>
     <string name="title_activity_home">HomeActivity</string>
     <!-- Strings used for fragments for navigation -->
     <string name="first_fragment_label">First Fragment</string>
@@ -9,6 +9,4 @@
 
     <string name="hello_first_fragment">Hello first fragment</string>
     <string name="hello_second_fragment">Hello second fragment. Arg: %1$s</string>
-    <!-- TODO: Remove or change this placeholder text -->
-    <string name="hello_blank_fragment">Hello blank fragment</string>
 </resources>