docs: private void setWindowManagerString(){
  
  		if (android.os.Build.VERSION.SDK_INT >= 17) {
  			windowManagerString = "sDefaultWindowManager";
  
  		} else if(android.os.Build.VERSION.SDK_INT >= 13) {
  			windowManagerString = "sWindowManager";
  
  		} else {
  			windowManagerString = "mWindowManager";
  		}
  	}