报错

Activity标签下代码：android:screenOrientation="portrait"
报错：
Expecting android:screenOrientation="unspecified" or "fullSensor" for this activity so the user can use the application in any orientation and provide a great experience on Chrome OS devices.

解决

解决参考地址：https://developer.android.com/topic/arc/window-management

<application>
···
    <meta-data
      android:name="WindowManagerPreference:FreeformWindowOrientation"
      android:value="portrait" />
      ···

    <activity
      ···
      android:screenOrientation="nosensor">
      ···
    </activity>
···
</application>