Hi, you can use this in .java as
  //change to landscape mode
 
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);

//To change to portrait mode
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);

Or You can also used directly in manifest file inside activity as
 android:screenOrientation="landscape"


Hope it will help you.
On Oct 12, 8:16 am, hairui <[email protected]> wrote:
> Hi everyone,
>
> I am a developer on an android porting project. While looking for ways
> to 'lock' the screen orientation in the framework layer, I found some
> posts here talking about the similar topic.
>
> I guess the key is to modify the file 'lockscreen.java' or nearby, but
> i know no more about what to do next.
>
> So I write this mail to see if anybody can give me more hints. My aim
> is to 'lock' the screen orientation, which means let the framework
> ignore the applications' orientation setting, and just use the
> 'landscape' one.
>
> Any help is appreciated.

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