在manifest.xml中添加了相应权限

Author: onloner2012

app/src/main/AndroidManifest.xml

@@ -2,7 +2,14 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.example.administrator.ac" >
     <uses-sdk android:minSdkVersion="5" />
-
+	
+	<uses-permission android:name="android.permission.INTERNET"/>
+	<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
+	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
+	<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
+	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+	<uses-permission android:name="android.permission.READ_LOGS"/>
+	
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"