Problem with refreshing page after move page

public class PDFReader extends View implements PDFViewVert.PDFViewListener { private ReadPDFActivity m_Padre; private PDFDoc m_Widok = null; private int m_Styl = -1; private boolean m_ZablokujWielkosc = false; private boolean m_ZablokujPozycje=false; private int m_Szerokosc = 0; private int m_Wysokosc = 0; private int m_IndexStrony = 0; private PaintView m_PaintView; public PDFReader(Context context) { super(context); } public PDFReader(Context context, AttributeSet attrs) { super(context, attrs); } public void ustawActivity(ReadPDFActivity _Act) { m_Padre=_Act; } public void ustawPaintView(PaintView _Paint) { m_PaintView=_Paint; } public void ustawStylWidoku() { ///PDFPos _Pozycja = null; Document _Dokument = null; if( m_Widok != null ) { _Dokument = m_Widok.viewGetDoc(); //_Pozycja = m_Widok.vgetP m_Widok.vClose(); } m_Widok = new PDFDoc(m_Padre); if( m_Widok != null ) { if( _Dokument != null ) m_Widok.vOpen( _Dokument,3, getContext().getResources().getColor(R.color.tlo_reader),this); m_Widok.vResize(getWidth(), getHeight());/* if( _Pozycja != null ) m_Widok.vGotoPage(_Pozycja);*/ } } /* public void ustawStylWidoku( int _Styl ) { if( _Styl == m_Styl ) return; PDFPosition _Pozycja = null; PDFAnnotListener annot_listener = null; PDFViewListener view_listener = null; Document _Dokument = null; if( m_Widok != null ) { _Dokument = m_Widok.viewGetDoc(); annot_listener = m_Widok.viewGetAnnotListener(); view_listener = m_Widok.viewGetViewListener(); _Pozycja = m_Widok.viewGetPos(); m_Widok.viewClose(); } switch( _Styl ) { case 1: m_Widok = new PDFViewHorz(); break; case 2: m_Widok = new PDFViewScroll(); break; case 3: m_Widok = new PDFViewSingle(); break; case 4: m_Widok = new PDFViewSingleEx(); break; case 5: m_Widok = new PDFViewReflow(); break; case 6: m_Widok = new PDFViewDual(true); break; default: m_Widok = new PDFViewVert(); break; } if( m_Widok != null ) { if( _Dokument != null ) m_Widok.viewOpen(getContext(), _Dokument, 0xFFdbf3dc, 4); m_Widok.viewSetAnnotListener( annot_listener ); m_Widok.viewSetViewListener( view_listener ); m_Widok.viewResize(getWidth(), getHeight()); if( _Pozycja != null ) m_Widok.viewGoto(_Pozycja); } }*/ protected void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); } public PDFDoc zwrocWidok() { return m_Widok; } public void otworz( Document doc ) { ustawStylWidoku(); //ustawStylWidoku( Global.def_view ); if( m_Widok != null ) m_Widok.vOpen(doc, 4,getContext().getResources().getColor(R.color.tlo_reader), this); } public void zamknij() { if( m_Widok != null ) m_Widok.vClose(); m_Widok = null; } protected void onSizeChanged (int w, int h, int oldw, int oldh) { m_Szerokosc = w; m_Wysokosc = h; if( m_Widok != null && !m_ZablokujWielkosc ) m_Widok.vResize(w, h); } protected void onDraw( Canvas canvas ) { if( m_Widok != null ) { m_Widok.vDraw(canvas); } } private float xSelStart = 0; private float ySelStart = 0; public boolean onTouchEvent (MotionEvent event) { /*if (event.getActionMasked()==MotionEvent.ACTION_DOWN) { xSelStart= event.getX(); ySelStart= event.getY(); } if (event.getActionMasked()==MotionEvent.ACTION_MOVE) { float x= event.getX(); float y= event.getY(); m_Widok.vSetSel(xSelStart, ySelStart, x, y); } if (event.getActionMasked()==MotionEvent.ACTION_UP || event.getActionMasked()==MotionEvent.ACTION_CANCEL) { float x= event.getX(); float y= event.getY(); m_Widok.vSetSel(xSelStart, ySelStart, x, y); m_Widok.annotSetMarkup(0); m_Widok.annotEnd(); } return true;*/ if( m_Widok != null && !m_ZablokujPozycje) { return m_Widok.vTouchEvent(event); } else return true; } /* * TODO * public void setAnnotListener( PDFView.PDFAnnotListener listener ) { if( m_Widok != null ) m_Widok.viewSetAnnotListener(listener); }*/ public void setViewListener( PDFView.PDFViewListener listener ) { /* * TODO * if( m_Widok != null ) m_Widok.viewSetViewListener(listener);*/ } /*public String annotGetText() { if( m_Widok != null ) return m_Widok.annotGetText(); else return null; }*/ /*public String annotGetSubject() { if( m_Widok != null ) return m_Widok.annotGetSubject(); else return null; } public boolean annotSetText(String txt) { if( m_Widok != null ) return m_Widok.annotSetText(txt); else return false; } public boolean annotSetEditText(String txt) { if( m_Widok != null ) return m_Widok.annotSetEditText(txt); else return false; } public boolean annotSetChoice(int item) { if( m_Widok != null ) return m_Widok.annotSetChoice(item); else return false; } public boolean annotSetSubject(String subj) { if( m_Widok != null ) return m_Widok.annotSetSubject(subj); else return false; } public void annotInk() { if( m_Widok != null ) m_Widok.annotInk(); } public void annotRect() { if( m_Widok != null ) m_Widok.annotRect(); } public void annotPerform() { if( m_Widok != null ) m_Widok.annotPerform(); } public void annotEnd() { if( m_Widok != null ) m_Widok.annotEnd(); } public void annotRemove() { if( m_Widok != null ) m_Widok.annotRemove(); }*/ public void znajdz(int dir) { if( m_Widok != null ) m_Widok.vFind(dir); } public void znajdz(String str, boolean match_case, boolean whole_word) { if( m_Widok != null ) m_Widok.vFindStart(str, match_case, whole_word); } public void idzDoStrony(int _Index) { m_Widok.vGotoPage(_Index); } @Override public void invalidate(Rect dirty) { super.invalidate(dirty); if( m_Widok != null ) invalidate(); } @Override public void OnPDFPageChanged(int pageno) { m_IndexStrony = pageno; m_Padre.zmienilSieNumerStrony(pageno); } @Override public boolean OnPDFSingleTapped(float x, float y) { invalidate(); //m_Padre.kliknietoStrone(x,y); return false; } @Override public void OnPDFPageDisplayed(Canvas arg0, PDFVPage arg1) { m_PaintView.stronaZmienilaSie(arg1); } public void onHold() { } public void onPressDown() { } public void onPressUp() { } public void onClickPage(int pageno) { m_Widok.vGotoPage(pageno); invalidate(); } public void lockResize(boolean lock) { if( m_ZablokujWielkosc == lock ) return; m_ZablokujWielkosc = lock; if( lock ) { m_Szerokosc = getWidth(); m_Wysokosc = getHeight(); } else { m_Widok.vResize(m_Szerokosc, m_Wysokosc); } } public int zwrocNumerStronyAktualnej() { return m_IndexStrony; } public void ustawBlokadePozycji(boolean _Blokada) { m_ZablokujPozycje=_Blokada; } @Override public boolean OnPDFDoubleTapped(float arg0, float arg1) { // TODO Auto-generated method stub return false; } @Override public void OnPDFFound(boolean arg0) { // TODO Auto-generated method stub } @Override public void OnPDFInvalidate(boolean arg0) { // TODO Auto-generated method stub invalidate(); } @Override public void OnPDFLongPressed(float arg0, float arg1) { // TODO Auto-generated method stub } @Override public void OnPDFSelectEnd() { // TODO Auto-generated method stub invalidate(); } @Override public void OnPDFSelecting(Canvas arg0, int[] arg1, int[] arg2) { // TODO Auto-generated method stub } @Override public void OnPDFShowPressed(float arg0, float arg1) { // TODO Auto-generated method stub } }

invalidate();