ing_app_security 0.0.7

One stop security provider.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'dart:async';

import 'package:flutter/services.dart';
import 'package:ing_app_security/ing_app_security.dart';

import 'package:path_provider/path_provider.dart';
import 'dart:io';

void main() {
  runApp(MyApp());
}

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _jailBreak = 'Unknown';

  @override
  void initState() {
    super.initState();
    initPlatformState();
  }

  _write(String text) async {
    final Directory directory = await getApplicationDocumentsDirectory();
    String fileName = '${directory.path}/my_file.txt';
    await IngAppSecurity.secureOpenFile(fileName);
    final File file = File(fileName);
    await file.writeAsString(text);
    await IngAppSecurity.secureCloseFile(fileName);
}

Future<String> _read() async {
  String text;
  try {
    final Directory directory = await getApplicationDocumentsDirectory();
    String fileName = '${directory.path}/my_file.txt';
    await IngAppSecurity.secureOpenFile(fileName);
    final File file = File(fileName);
    text = await file.readAsString();
    await IngAppSecurity.secureCloseFile(fileName);
  } catch (e) {
    print("Couldn't read file");
  }
  return text;
}

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String jailBreak;
    // Platform messages may fail, so we use a try/catch PlatformException.
    try {

      //Hide the app screen when app move to background
      await IngAppSecurity.determineNeedBlackoutScreen(true);

      //String encryption without hardcoded the encryption key
      print("My secure String: ${await IngAppSecurity.decryptStr(await IngAppSecurity.encryptStr("my secure word"))}");

      //Secure store the data in user preference without hardcoded the encryption key
      await IngAppSecurity.secureSetPref("userId", "admin123");
      print("Secure Store on user preference: ${await IngAppSecurity.secureGetPref("userId")}");

      //JailBreak detection      
      jailBreak = await IngAppSecurity.jailBroken ? 'JailBroken - Yes' : 'JailBroken = No';

      //Check is real device
      print("Real Device? ${await IngAppSecurity.realDevice}");

      //Check can mock location
      print("Can mock location? ${await IngAppSecurity.mockLocation}");

      //Write text to file then encrypt the file without hardcoded the encryption key
      await _write("Hello World");

      //Decrypt the file then read the content
      print("Secure file content: ${await _read()}");

    } on PlatformException {
      jailBreak = 'Failed to get jailbreak detection info.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _jailBreak = jailBreak;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('IngAppSecurity'),
        ),
        body: Center(
          child: Text('Secure: $_jailBreak\n'),
        ),
      ),
    );
  }
}