How to display an image from SD card on Android canvas? -

i load picture sd card , display on canvas. have list of pictures , want diplay picture selected user. have use canvas.drawbitmap or canvas.drawpicture functions, don't know how. thanks!

in :

        void draw(canvas c) {                     c.save();                     c.drawcolor(0xff000000);                     dodraw(c); //method call set image               }   public void dodraw(canvas c) {      resources res = getresources();     bitmap bm = bitmapfactory.decoderesource(res, r.drawable.yourimage);     c.drawbitmap(bm, 0, 0, null);  }