在config.xml中的<widget>下添加<preference name="orientation" value="portrait" />对我来说很有效。

(其他解决方案要么在我的设备上不起作用，要么在构建过程中被覆盖，要么在构建过程中给出了弃用错误。)

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);


    //setting screen orientation locked so it will be acting as potrait
    setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LOCKED);
}

在Manifest文件中，你想在“肖像”中使用哪些活动，你必须在活动标签中写这些代码

  android:screenOrientation="portrait" 

像这样

android:图标= " @drawable /图标” android: name = " com.zemkoapps.hd.wallpaper.AndroidGridLayoutActivity " android: screenOrientation = "肖像" > 但如果你想在横屏中使用这段代码 android: screenOrientation = "风景"

好吧, 我试了所有的答案，但在旧版本的安卓系统上都不行。 所以，最终的解决方案是将这段代码添加到setContentView上面的每个活动:

    setRequestedOrientation (ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);

在kotlin——>

在你的Extends Application类中使用这个onCreate()…

registerActivityLifecycleCallbacks(object : ActivityLifecycleCallbacks {
        override fun onActivityCreated(p0: Activity, p1: Bundle?) {
            p0.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE;
        }

        override fun onActivityStarted(p0: Activity) {
        }

        override fun onActivityResumed(p0: Activity) {
        }

        override fun onActivityPaused(p0: Activity) {
        }

        override fun onActivityStopped(p0: Activity) {
        }

        override fun onActivitySaveInstanceState(p0: Activity, p1: Bundle) {
        }

        override fun onActivityDestroyed(p0: Activity) {
        }
    }

    )}

如果有人想知道，如何为整个应用程序做到这一点，而不必让所有活动都扩展Kotlin中的公共基类， 请看下面的例子:

class InteractiveStoryApplication: Application() {
override fun onCreate() {
    super.onCreate()
    registerActivityLifecycleCallbacks(object: ActivityLifecycleCallbacks {
        override fun onActivityCreated(activity: Activity?, savedInstanceState: Bundle?) {
            activity?.requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
        }

        override fun onActivityPaused(activity: Activity?) {
        }

        override fun onActivityResumed(activity: Activity?) {
        }

        override fun onActivityDestroyed(activity: Activity?) {
        }

        override fun onActivitySaveInstanceState(activity: Activity?, outState: Bundle?) {
        }

        override fun onActivityStarted(activity: Activity?) {
        }

        override fun onActivityStopped(activity: Activity?) {
        }
    })
}
}

然后你必须像这样在AndroidManifest中添加你的公共基类:

<application android:allowBackup="true"
android:name=".InteractiveStoryApplication"