autoSizeColumn method of POI throws an exception that I didn't manage to resolve :
"java.lang.ClassNotFoundException: Didn't find class "java.awt.font.FontRenderContext" on path:..."
with this error
"java.lang.NoClassDefFoundError: Failed resolution of: Ljava/awt/font/FontRenderContext;"
Here my code, the method is called after placing data in the column :
private boolean saveExcelFile(Context context, String fileName) {
if (!isExternalStorageAvailable() || isExternalStorageReadOnly()) {
Log.e("ExcelLog", "Storage not available or read only");
return false;
}
boolean success = false;
Cell c;
Workbook wb = new HSSFWorkbook();
CellStyle cs = wb.createCellStyle();
cs.setFillForegroundColor(HSSFColor.LIGHT_ORANGE.index);
cs.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);
Sheet sheet1;
sheet1 = wb.createSheet("Historique du "+date);
MultiFormatWriter writer = new MultiFormatWriter();
Bitmap ImageBitmap;
CreationHelper helper = wb.getCreationHelper();
Drawing drawing = sheet1.createDrawingPatriarch();
Row row = sheet1.createRow(0);
c = row.createCell(0);
c.setCellValue("Quantité");
c.setCellStyle(cs);
c = row.createCell(1);
c.setCellValue("Code barre");
c.setCellStyle(cs);
c = row.createCell(2);
c.setCellValue("Association");
c.setCellStyle(cs);
int m = 0;
for(int k=0;k<ExpListDistribs.size();++k) {
int l = 0;
for (int n = 0; n < ExpListDistribs.get(k).getDistribs().size()*2; n++) {
while(l<ExpListDistribs.get(k).getDistribs().size()) {
if (isOdd(m)) {
row = sheet1.createRow(m + 1);
row.setHeight((short)800);
m++;
c = row.createCell(0);
c.setCellValue("");
} else {
ClientAnchor anchor = helper.createClientAnchor();
row = sheet1.createRow(m + 1);
row.setHeight((short)1200);
c = row.createCell(0);
c.setCellStyle(style);
c.setCellValue(ExpListDistribs.get(k).getDistribs().get(l).getQuantite()+" kg");
c = row.createCell(2);
c.setCellStyle(style);
c.setCellValue(ExpListDistribs.get(k).getAssociation());
l++;
int t = wb.addPicture(bytes, Workbook.PICTURE_TYPE_PNG);
anchor.setCol1(1);
anchor.setCol2(2);
anchor.setRow1(m + 1);
anchor.setRow2(m + 2);
m++;
drawing.createPicture(anchor, t);
}
}
}
}
sheet1.setColumnWidth(0, (15 * 200));
sheet1.setColumnWidth(1, (15 * 800));
sheet1.autoSizeColumn(2);
File file = new File(context.getExternalFilesDir(null), fileName);
FileOutputStream os = null;
try {
os = new FileOutputStream(file);
wb.write(os);
Log.w("FileUtils", "Writing file" + file);
success = true;
} catch (IOException e) {
Log.w("FileUtils", "Error writing " + file, e);
} catch (Exception e) {
Log.w("FileUtils", "Failed to save file", e);
} finally {
try {
if (null != os)
os.close();
} catch (Exception ignored) {
}
}
Toast.makeText(getApplicationContext(), "Success",
Toast.LENGTH_LONG).show();
return success;
}
Someone have any clue to help me from this ?
Thanks in advance.
You have tagged this android. On android, most (all?) AWT classes are not available. But POI needs a FontRenderContext to calculate column sizes.
As a workaround, replace your call to autoSizeColumn(2) by setColumnWidth(2, width). A approximate value for width can be calculated by counting the maximum number of characters displayed in that column by a factor. Start by trying a value of about 0.55 * fontSizeInPoints for proportional fonts.
PS: Next time please provide a complete stack trace and mention the JDK and POI versions that you use.