openWhatsApp static method

Future<bool> openWhatsApp(String phoneNumber, { String? message, BuildContext? context, })

WhatsApp chat

Implementation

static Future<bool> openWhatsApp(
  String phoneNumber, {
  String? message,
  BuildContext? context,
}) async {
  try {
    final cleanNumber = _cleanPhoneNumber(phoneNumber);

    // Remove leading 0 if exists and add country code if needed
    String whatsappNumber = cleanNumber;
    if (whatsappNumber.startsWith('0')) {
      whatsappNumber =
          '84${whatsappNumber.substring(1)}'; // Vietnam country code
    }

    String whatsappUri = 'https://wa.me/$whatsappNumber';
    if (message != null && message.isNotEmpty) {
      whatsappUri += '?text=${Uri.encodeComponent(message)}';
    }

    final uri = Uri.parse(whatsappUri);

    if (await canLaunchUrl(uri)) {
      await launchUrl(uri, mode: LaunchMode.externalApplication);
      return true;
    } else {
      if (context != null && context.mounted) {
        _showError(context, 'Không thể mở WhatsApp');
      }
      return false;
    }
  } catch (e) {
    if (context != null && context.mounted) {
      _showError(context, 'Lỗi: $e');
    }
    return false;
  }
}