How to configure horizontal and vertical screen restrictions for android

In the development of android applications, you sometimes need to restrict horizontal and vertical screen switching. You only need to add the android: screenOrientation attribute restriction to the AndroidManifest. xml file.
Ndroid: screenOrientation = "landscape" is to restrict horizontal display on this page,
Ndroid: screenOrientation = "portrait" is to limit the number of portrait screens on this page.
For example, if I want to display all pages in portrait mode, my AndroidManifest. xml should be written as follows: Copy codeThe Code is as follows: http://schemas.android.com/apk/res/Android"
<Package = "com. oa"
Android: versionCode = "1"
Android: versionName = "1.0" type = "codeph" text = "/codeph">

<Android: label = "@ string/app_name"
Android: screenOrientation = "portrait">