Background problem domain image.

Hi, I'm trying to put a background image to my application but when I do this the first time (just started) I will work perfectly but when I select a field and he lost focus background don't repaint. It's my source code:

//this is where i go to put the button

VerticalFieldManager panel= new VerticalFieldManager(VerticalFieldManager.USE_ALL_WIDTH |VerticalFieldManager.USE_ALL_HEIGHT)        {            protected void paint(Graphics graphics)            {                try                {                    graphics.drawBitmap(0, 0, graphics.getScreenWidth(), graphics.getScreenHeight(),                            ComunicadorCore.getGestorImagenes().getImagen("fondo.png").getBitmap(), 0, 0);                }                catch (ImagenException e)                {                    // TODO Auto-generated catch block                    e.printStackTrace();                }                super.paint(graphics);            }        };

////////////////////////////////////////////////////////////////////

It's the key

public class BotonContactos extends Field implements DrawStyle{    private boolean focus=false;   

    private Font fuente;    private int anchuraLabels;

    private int margenAnchura=10;    private int margenAltura=2;

    private String labelNombre;    private XYRect posLabelNombre;

    private String labelEstado;    private XYRect posLabelEstado;

    private EncodedImage imagenEstado;    private Bitmap bitMapEstado;    private XYRect posImagenEstado;

    private EncodedImage imagenFormaContacto;    private XYRect posImagenFormaContacto;    private Bitmap bitMapFormaContacto;

    private int anchuraBoton;    private int alturaBoton;

    //formato del color 0x00RRGGBB    private final static int COLOR_FONDO_FOCO=0x008CAFDC;

    private final static int COLOR_LETRAS_FOCO=0x00000066;

    private final static int COLOR_LETRAS_NO_FOCO=0x00F0F4F9;

    //Transparecia seleccion

    private final static int TRANSPARECIA_SELECCION_FOCO=80;

    public BotonContactos()    {        super(Field.FOCUSABLE);               posLabelNombre=new XYRect();        posLabelEstado=new XYRect();        posImagenEstado=new XYRect();        posImagenFormaContacto=new XYRect();    }

    protected void drawFocus(Graphics graphics, boolean on)    {        MensajesLog.debug(BotonContactos.class, "Dibujo el foco: "+this.getLabelNombre());        this.focus=true;               super.drawFocus(graphics, false);    }       

    public int getPreferredWidth()    {        int tam=0;        if(this.imagenEstado!=null&&this.imagenFormaContacto!=null)        {            //Ponemos el margen de la izquierda            tam+=margenAnchura;

            //Ponemos el tamaño de la imagen de estado            tam+=imagenEstado.getWidth();

            //Ponemos el tamaño de la imagen de forma de contacto            tam+=imagenFormaContacto.getWidth();

            //Ponemos el margen entre las imagenes y los labels            tam+=margenAnchura;

            //Ponemos el tamaño de los labels            MensajesLog.debug(BotonContactos.class, "El tamaño del contenedor es: "+this.getContentRect().width);            //TODO coger el tamaño del boton            anchuraLabels=anchuraBoton-tam-margenAnchura;                       if(anchuraLabels>0)            {                tam+=anchuraLabels;            }            else            {                anchuraLabels=0;            }

            //Ponemos el margen de la derecha            tam+=margenAnchura;        }        MensajesLog.debug(BotonContactos.class, "La anchura del boton es: "+tam);               return tam;    }

    public int getPreferredHeight()    {        int tam=0;        if(this.imagenEstado!=null&&this.imagenFormaContacto!=null)        {            tam=imagenEstado.getHeight();            int tamFont=this.getFont().getHeight();            //multiplicamos por 2            tamFont=tamFont<<1;            if(tam>1);        MensajesLog.debug(BotonContactos.class, "La altura del boton es: "+tam);        return tam;    }

    /**     * Metodo que calcula la posicion de los componentes dentro     * del boton     */    protected void layout(int width, int height)    {        // Calculate width.        anchuraBoton =  width;        anchuraBoton = Math.min( anchuraBoton, getPreferredWidth() );        MensajesLog.debug(BotonContactos.class, "La anchuraBoton del boton es: "+width);        // Calculate height.        alturaBoton = Math.min( height, getPreferredHeight() );        MensajesLog.debug(BotonContactos.class, "La alturaBoton del boton es: "+height);

        fuente=getFont();               if(this.imagenEstado!=null&&this.imagenFormaContacto!=null)        {            int posYEstado=calculoPosicionAlturaImagenes(imagenEstado);            this.posImagenEstado.setLocation(this.margenAnchura,posYEstado);            this.posImagenEstado.setSize(this.imagenEstado.getWidth(), this.imagenEstado.getHeight());

            int posYFormaContacto=calculoPosicionAlturaImagenes(imagenFormaContacto);            int posXFormaContacto=this.posImagenEstado.x+imagenEstado.getWidth();            this.posImagenFormaContacto.setLocation(posXFormaContacto, posYFormaContacto);            this.posImagenFormaContacto.setSize(this.imagenFormaContacto.getWidth(), this.imagenFormaContacto.getHeight());

            int posXCabecera=this.posImagenFormaContacto.x+imagenFormaContacto.getWidth()+this.margenAnchura;            int posYCabecera=this.margenAltura;            this.posLabelNombre.setLocation(posXCabecera, posYCabecera);

            int posXCuerpo=this.posLabelNombre.x;            int espacioEntreLabels=fuente.getHeight()>>1;            espacioEntreLabels+=fuente.getHeight();            int posYCuerpo=this.posLabelNombre.y+espacioEntreLabels;            this.posLabelEstado.setLocation(posXCuerpo,posYCuerpo);        }               setExtent( anchuraBoton, alturaBoton );           }

    /**     * Calcula la posicon y centrada de la imagen dentro del boton     * @param image     * @return     */    private int calculoPosicionAlturaImagenes(EncodedImage image)    {        int posY=0;        if(image!=null)        {            int alturaImage=image.getHeight();            int margen=this.getPreferredHeight()-alturaImage;            if(margen>0)            {                posY=margen>>1;            }        }        return posY;    }

    /**     * Metodo que pinta el Boton     */    protected void paint(Graphics graphics)    {

        if(this.imagenEstado!=null&&this.imagenFormaContacto!=null)        {                               graphics.setFont(fuente);            if(this.focus)            {                   //Dibujo el recuadro de seleccion                graphics.setColor(COLOR_FONDO_FOCO);                graphics.setGlobalAlpha(TRANSPARECIA_SELECCION_FOCO);                graphics.fillRoundRect(0, 0, this.anchuraBoton, this.alturaBoton, 20, 20);

                //Pongo la configuracion para escribir el texto                graphics.setGlobalAlpha(255);                graphics.setColor(COLOR_LETRAS_FOCO);            }            else            {                graphics.setColor(COLOR_LETRAS_NO_FOCO);            }            MensajesLog.debug(BotonContactos.class, "Comienzo a pintar");            graphics.drawBitmap(this.posImagenEstado, this.bitMapEstado, 0, 0);            graphics.drawBitmap(this.posImagenFormaContacto, this.bitMapFormaContacto, 0, 0);            graphics.drawText(this.labelNombre, this.posLabelNombre.x, this.posLabelNombre.y);                                   graphics.drawText(this.labelEstado, this.posLabelEstado.x, this.posLabelEstado.y);            this.focus=false;

        }

    }

    /**     * Metodo para leer el nombre del contacto que muestra el boton     * @return     */    public String getLabelNombre()    {        return labelNombre;    }

    /**     * Metodo para asignar el nombre del contacto al boton     * @param nombre     */    public void setLabelNombre(String nombre)    {        this.labelNombre = nombre;        updateLayout();    }

    /**     * Metodo para leer el estado del contacto que muestra el boton     * @return     */    public String getLabelEstado()    {        return labelEstado;           }

    /**     * Metodo para asignar el estado del contacto al boton     * @param estado     */    public void setLabelEstado(String estado)    {        this.labelEstado = estado;        updateLayout();    }

    /**     * Metodo que devuelve la imagen del estado     * @return     */    public EncodedImage getImagenEstado()    {        return imagenEstado;    }

    /**     * Metodo que asigna la imagen del estado     * @param imagenEstado     */    public void setImagenEstado(EncodedImage imagenEstado)    {        if(imagenEstado!=null)        {            this.imagenEstado = imagenEstado;            bitMapEstado=this.imagenEstado.getBitmap();            updateLayout();        }    }

    /**     * Metodo que devuelve la imagen de la forma de contacto     * @return     */    public EncodedImage getImagenFormaContacto()    {        return imagenFormaContacto;    }

    /**     * Metodo que asigna la imagen de la forma de contacto     * @param imagenFormaContacto     */    public void setImagenFormaContacto(EncodedImage imagenFormaContacto)    {           if(imagenFormaContacto!=null)        {            this.imagenFormaContacto = imagenFormaContacto;            this.bitMapFormaContacto=this.imagenFormaContacto.getBitmap();            updateLayout();        }    }

    protected void onFocus(int i) {        // TODO Auto-generated method stub        this.focus=true;

        super.onFocus(i);    }

    protected void onUnfocus() {        // TODO Auto-generated method stub        this.focus=false;        super.onUnfocus();    }

I found the solution.

VerticalFieldManager panel= new VerticalFieldManager(VerticalFieldManager.USE_ALL_WIDTH |VerticalFieldManager.USE_ALL_HEIGHT)       {         /*            protected void paint(Graphics graphics)           {             try               {                 graphics.drawBitmap(0, 0, graphics.getScreenWidth(), graphics.getScreenHeight(),                          ComunicadorCore.getGestorImagenes().getImagen("fondo.png").getBitmap(), 0, 0);                }             catch (ImagenException e)                 {                 // TODO Auto-generated catch block                    e.printStackTrace();              }             super.paint(graphics);            }         */            protected void paintBackground(Graphics graphics)             {             try               {                 graphics.drawBitmap(0, 0, graphics.getScreenWidth(), graphics.getScreenHeight(),                          ComunicadorCore.getGestorImagenes().getImagen("fondo.png").getBitmap(), 0, 0);                }             catch (ImagenException e)                 {                 // TODO Auto-generated catch block                    e.printStackTrace();              }             super.paintBackground(graphics);          }     };

Tags: BlackBerry Developers

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