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import 'package:connectivity/connectivity.dart';
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import 'package:flutter/cupertino.dart';
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import 'app_shared_preferences.dart';
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import 'app_toast.dart';
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AppSharedPreferences sharedPref = new AppSharedPreferences();
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class Utils {
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///show custom Error Toast
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/// [message] to show for user
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static showErrorToast([String message]) {
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String localMsg = generateContactAdminMessage();
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if (message != null) {
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localMsg = message.toString();
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}
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AppToast.showErrorToast(message: localMsg);
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}
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/// Check The Internet Connection
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static Future<bool> checkConnection() async {
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ConnectivityResult connectivityResult =
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await (Connectivity().checkConnectivity());
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if ((connectivityResult == ConnectivityResult.mobile) ||
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(connectivityResult == ConnectivityResult.wifi)) {
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return true;
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} else {
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return false;
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}
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}
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/// generate Contact Admin Message
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static generateContactAdminMessage([err]) {
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String localMsg = 'Something wrong happened, please contact the admin';
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if (err != null) {
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localMsg = localMsg + '\n \n' + err.toString();
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}
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return localMsg;
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}
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/// hides the keyboard if its already open
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static hideKeyboard(BuildContext context) {
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FocusScope.of(context).unfocus();
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}
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bool isSAUDIIDValid(String id) {
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if (id == null) {
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return false;
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}
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try {
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id = id.toString();
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id = id.trim();
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var returnValue = int.parse(id);
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var sum = 0;
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if (returnValue > 0) {
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var type = int.parse(id[0]);
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if (id.length != 10) {
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return false;
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}
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if (type != 2 && type != 1) {
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return false;
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}
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for (var i = 0; i < 10; i++) {
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if (i % 2 == 0) {
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var a = id[i];
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var x = int.parse(a) * 2;
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var b = x.toString();
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if (b.length == 1) {
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b = "0" + b;
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}
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sum += int.parse(b[0]) + int.parse(b[1]);
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} else {
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sum += int.parse(id[i]);
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}
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}
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return sum % 10 == 0;
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}
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} catch (err) {}
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return false;
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}
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}
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