gistfile1.xml

<activity android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|screenSize|smallestScreenSize|uiMode" android:label="@string/app_name" android:launchMode="singleTask" android:name="com.whatsapp.HomeActivity" android:theme="@style/Theme.App.Home">
   <intent-filter>
              <action android:name="android.intent.action.MAIN"/>
                <category android:name="android.intent.category.LAUNCHER"/>
                <category android:name="android.intent.category.MULTIWINDOW_LAUNCHER"/>
         </intent-filter>
     </activity>