PhoneWindow-generateLayout

protected ViewGroup generateLayout(DecorView decor) {
  ...

if (..) {}
else if (..) {}
else if ((features & (1 << FEATURE_ACTION_MODE_OVERLAY)) != 0) {
            layoutResource = com.android.internal.R.layout.screen_simple_overlay_action_mode;
        }
else {
          // Embedded, so no decoration is needed.
            layoutResource = com.android.internal.R.layout.screen_simple;
          // System.out.println("Simple!");
        }
...
  	  
View in = mLayoutInflater.inflate(layoutResource, null);
decor.addView(in, new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT));
ViewGroup contentParent = (ViewGroup)findViewById(ID_ANDROID_CONTENT);
if (contentParent == null) {
      throw new RuntimeException("Window couldn't find content container view");
   }
	
...
}