AndroidManifiest.xml

 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
   package="com.shevetahim.app"
   android:versionCode="100021"
   android:versionName="1.0.4" >
   <uses-sdk
     android:minSdkVersion="17"
     android:targetSdkVersion="23" />
   <uses-permission android:name="android.permission.INTERNET" />
   <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
   <uses-permission android:name="android.permission.READ_CALENDAR"/>
   <uses-permission android:name="android.permission.WRITE_CALENDAR"/>
   <application
     android:debuggable="false"
     android:allowBackup="false"
     android:icon="@drawable/ic_launcher"
     android:label="@string/app_name"
     android:theme="@style/AppTheme" >
     <activity
       android:name="com.shevetahim.app"
       android:alwaysRetainTaskState="false"
       android:label="@string/app_name" >
       <intent-filter>
         <action android:name="android.intent.action.MAIN" />
         <category android:name="android.intent.category.LAUNCHER" />
       </intent-filter>
     </activity>
   </application>
 </manifest>