新增异常处理机制，页面语音设置，网络设置

app/src/main/res/layout/activity_about.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-        android:orientation="vertical"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent">
-
-    <TextView
-            android:layout_width="match_parent"
-            android:id="@+id/about_content"
-            android:layout_height="match_parent" />
-
-</LinearLayout>

app/src/main/res/menu/menu_main.xml

@@ -1,7 +1,7 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:app="http://schemas.android.com/apk/res-auto"
         xmlns:tools="http://schemas.android.com/tools"
-        tools:context="chaoran.business.pda.chaoran.business.activity.MainActivity">
+        tools:context="chaoran.business.activity.MainActivity">
     <item
             android:id="@+id/action_setting_network"
             android:title="@string/action_setting_network"
@@ -14,9 +14,4 @@
             android:orderInCategory="100"
             app:showAsAction="never" />
 
-    <item
-            android:id="@+id/action_about"
-            android:title="@string/activity_about"
-            android:orderInCategory="200"
-            app:showAsAction="never" />
 </menu>

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

@@ -5,8 +5,6 @@
     <string name="action_setting_voice">语音设置</string>
     <string name="title_activity_setting_voice">语音设置界面</string>
     <string name="title_activity_main">主页</string>
-    <string name="activity_about">关于</string>
-    <string name="activity_about_content">这是关于界面的内容</string>
 
     <!--    讯飞离线语音appid-->
     <string name="app_id">601c9ec6</string>