Firebase Docs Reference GoogleMobileAds Framework Reference GADNativeAdImageAdLoaderOptionsOrientation enum GADNativeAdImageAdLoaderOptionsOrientation : Int Native ad image orientation preference. any < No orientation preference. Declaration Swift case any = 1 portrait < Prefer portrait images. Declaration Swift case portrait = 2 landscape < Prefer landscape images. Declaration Swift case landscape = 3 Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated June 20, 2018.