asdasdasd

lib/core/services/print_service.dart

@@ -21,16 +21,25 @@ class PrintService {
     String? responsibleName,
     String? barcodeData,
   }) async {
+    // Load Vietnamese-compatible fonts using PdfGoogleFonts
+    // Noto Sans has excellent Vietnamese character support
+    final fontRegular = await PdfGoogleFonts.notoSansRegular();
+    final fontBold = await PdfGoogleFonts.notoSansBold();
+
     final pdf = pw.Document();
 
     // Format current date
     final dt = DateFormat('dd/MM/yyyy HH:mm').format(DateTime.now());
 
-    // Add page to PDF
+    // Add page to PDF with theme for Vietnamese font support
     pdf.addPage(
       pw.Page(
         pageFormat: PdfPageFormat.a4,
         margin: const pw.EdgeInsets.all(12),
+        theme: pw.ThemeData.withFont(
+          base: fontRegular,
+          bold: fontBold,
+        ),
         build: (pw.Context pdfContext) {
           return pw.Container(
             padding: const pw.EdgeInsets.all(12),