How to control landscape and portrait programmatically in android?

Question

I developed on application using android sdk 4.0 and I install that .apk file in my samsung tab. When I run that application it is working properly. If I change the tab portra

Answer 1

You can use this for landscape

setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); 

To change to portrait mode, use the

setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);