Question

I have a BlackBerry 10 native app which must run in landscape orientation only. I have the following code in my bar-descriptor.xml under the <qnx> tag:

<initialWindow>
    <aspectRatio>landscape</aspectRatio>
    <autoOrients>false</autoOrients>
    <systemChrome>none</systemChrome>
    <transparent>false</transparent>
</initialWindow>

However, when I launch the app, it always launches in portrait mode. What else do I need to do to make the app launch in landscape mode?

Answer 1

Turns out that as well as the <initialWindow> declaration in bar-descriptor.xml you must call navigator_rotation_lock(true) within your app initialisation code in order to tell the navigator that the orientation is locked.

http://developer.blackberry.com/native/reference/com.qnx.doc.bps.lib_ref/com.qnx.doc.bps.lib_ref/topic/navigator_rotation_lock.html