getScreenSize do not get the orientation when changing the device orientation from portait to landscape,specific description as below:
Testing precondition(without registerring screenChange and orientationChange event)
calling getScreenSize ,get (400x500),and then change the orientation from portrait to landscape,still call it again to get (400x500) though,i just want to confirm that only having to registerring screenChange and orientationChange event, i can get diff screensize(from 400x500 to 500x400)?