David PHAM-VAN

Fix Flutter 1.12 compatiblity

@@ -246,7 +246,7 @@ class _PdfPreviewState extends State<PdfPreview> { @@ -246,7 +246,7 @@ class _PdfPreviewState extends State<PdfPreview> {
246 actions.add( 246 actions.add(
247 DropdownButton<PdfPageFormat>( 247 DropdownButton<PdfPageFormat>(
248 style: theme.accentTextTheme.button, 248 style: theme.accentTextTheme.button,
249 - dropdownColor: Colors.grey.shade700, 249 + // dropdownColor: Colors.grey.shade700,
250 icon: Icon( 250 icon: Icon(
251 Icons.arrow_drop_down, 251 Icons.arrow_drop_down,
252 color: theme.accentIconTheme.color, 252 color: theme.accentIconTheme.color,