title: Android, landscape orientation?
body: <p>I created one application. In this application is only in landscape mode. I open the application in device it's open in landscape mode but when the device is lock then when I open lock then application is portrait mode after some time the app in landscape mode.
  I already defined in AndroidManifest.xml file android:screenOrientation="landscape" in all activity. I want set only landscape mode. How to do this. Help me. </p>