code: public void attachView(View view) {
  		if (mViewState != null) {
  			mViewState.attachView(view);
  		} else {
  			mViews.add(view);
  		}
  		if (mFirstLaunch) {
  			mFirstLaunch = false;
  
  			onFirstViewAttach();
  		}
  	}
docs: <p>Attach view to view state or to presenter(if view state not exists).</p>
  <p>If you use {@link MvpDelegate}, you should not call this method directly.
  It will be called on {@link MvpDelegate#onAttach()}, if view does not attached.</p>
  
  @param view to attachment