AndroidManifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.bigfish.salecenter">

    <application
        android:allowBackup="true"
        android:label="@string/app_name"
        android:supportsRtl="true">
        <activity android:name=".ui.activity.ProductDetailActivity"
            android:configChanges="orientation|screenSize|keyboardHidden"
            android:screenOrientation="portrait"
            />
        <activity android:name=".ui.activity.SaleOrderDetailActivity"
            android:screenOrientation="portrait"
            />

    </application>
</manifest>