loading static method

Future<void> loading(BuildContext context, Future<void> task())

Show Loading Dialog while performing a task

Implementation

static Future<void> loading(
  BuildContext context,
  Future<void> Function() task,
) async {
  // عرض نافذة الانتظار مع منع زر الرجوع
  showDialog(
    context: context,
    barrierDismissible: false,
    barrierColor: Colors.black87,
    builder: (context) => PopScope(
      canPop: false, // منع الرجوع
      child: AlertDialog(
        backgroundColor: Colors.transparent,
        insetPadding: EdgeInsets.zero,
        shape: RoundedRectangleBorder(borderRadius: BorderRadius.zero),
        content: Column(
          // mainAxisSize: MainAxisSize.min,
          children: [
            Expanded(
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                crossAxisAlignment: CrossAxisAlignment.center,
                children: [
                  SizedBox(
                    width: 50,
                    height: 50,
                    child: CircularProgressIndicator(color: Colors.white),
                  ),
                  SizedBox(height: 16),
                  Text(
                    '...جاري التنفيذ',
                    style: TextStyle(color: Colors.white),
                  ),
                ],
              ),
            ),
            Image.asset(
              'assets/images/almuhasib_color.png',
              width: 70,
              height: 70,
            ),
          ],
        ),
      ),
    ),
  );

  // تنفيذ العملية
  await task();

  // إغلاق النافذة بعد الانتهاء
  if (!context.mounted) return;
  Navigator.of(context).pop();
}