Android - Fragment - show/hide keyboard event and move up the main layout

gistfile1.txt

    Rect visibleRect = new Rect();
    
    
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    ViewGroup mMain = (ViewGroup) inflater.inflate(R.layout.select_cover_album, container, false);

    mMain.getWindowVisibleDisplayFrame(visibleRect);
    mMain.addOnLayoutChangeListener(new View.OnLayoutChangeListener() {
            @Override
            public void onLayoutChange(View v,
                                       int left,
                                       int top,
                                       int right,
                                       int bottom,
                                       int oldLeft,
                                       int oldTop,
                                       int oldRight,
                                       int oldBottom) {

                Rect r = new Rect();
                mMain.getWindowVisibleDisplayFrame(r);

                if(r.height() < visibleRect.height()){
                    mMain.postDelayed(new Runnable() {
                        @Override
                        public void run() {
                            mMain.setY(-70);
                        }
                    }, 300);

                }
                if(r.height() == visibleRect.height() && mMain.getY() < 0){
                    mMain.setY(0);
                }

            }
        });
        
        return mMain;
    }