//add picture data to this workbook.
                        InputStream is = new FileInputStream("/sdcard/MYAPPFOLDER/logo_app.png");
                        byte[] bytes = IOUtils.toByteArray(is);
                        int pictureIdx = workbook.addPicture(bytes, Workbook.PICTURE_TYPE_JPEG);
                        is.close();

                        CreationHelper helper = workbook.getCreationHelper();

                        // Create the drawing patriarch.  This is the top level container for all shapes.
                        Drawing drawing = sheet.createDrawingPatriarch();

                        //add a picture shape
                        ClientAnchor anchor = helper.createClientAnchor();
                        //set top-left corner of the picture,
                        //subsequent call of Picture#resize() will operate relative to it
                        anchor.setCol1(0);
                        anchor.setRow1(0);
                        Picture pict = drawing.createPicture(anchor, pictureIdx);

                        //auto-size picture relative to its top-left corner
                        pict.resize();

02-21 10:10:51.466: E/AndroidRuntime(31691): FATAL EXCEPTION: main
02-21 10:10:51.466: E/AndroidRuntime(31691): java.lang.NoClassDefFoundError: java.awt.Dimension
02-21 10:10:51.466: E/AndroidRuntime(31691):    at org.apache.poi.ss.util.ImageUtils.getImageDimension(ImageUtils.java:52)
02-21 10:10:51.466: E/AndroidRuntime(31691):    at org.apache.poi.hssf.usermodel.HSSFPicture.getImageDimension(HSSFPicture.java:243)
02-21 10:10:51.466: E/AndroidRuntime(31691):    at org.apache.poi.hssf.usermodel.HSSFPicture.getPreferredSize(HSSFPicture.java:163)

pict.resize();