Different design for landscape and portrait orientation android

Question

Can we have a different xml for landscape and different xml for portrait orientation?

I am working on a simple app, have few buttons and textviews, the xml looks goo

Answer 1

public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_screen_orientation_app);
   if(getResources().getDisplayMetrics().widthPixels>getResources().getDisplayMetrics().
            heightPixels) 
        {  
            Toast.makeText(this,"Screen switched to Landscape mode",Toast.LENGTH_SHORT).show(); 
        } 
        else 
        { 
            Toast.makeText(this,"Screen switched to Portrait mode",Toast.LENGTH_SHORT).show(); 
        }
    }