karte_variables 1.4.0

Flutter plugin for KARTE Variables, provides a simple API to access variables. Supports on Android and iOS.

example/lib/main.dart

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

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

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

class _MyAppState extends State<MyApp> {
  String? _string;
  int? _int;
  double? _double;
  bool? _bool;
  List? _list;
  Map? _map;

  @override
  void initState() {
    super.initState();
    checkVariables().then((dynamic) => null);
  }

  checkVariables() async {
    var strVar = await Variables.get("string");
    String string = await strVar.getString("unknown");
    var intVar = await Variables.get("long");
    int intValue = await intVar.getInteger(-1);
    var doubleVar = await Variables.get("double");
    double doubleValue = await doubleVar.getDouble(-1);
    var boolVar = await Variables.get("boolean");
    bool boolValue = await boolVar.getBoolean(false);
    var arrVar = await Variables.get("array");
    List list = await arrVar.getArray(['u', 'n', 'k', 'n', 'o', 'w', 'n']);
    var objVar = await Variables.get("object");
    Map map = await objVar.getObject({'un': "known"});

    var noneVar = await Variables.get('none');
    print(await noneVar.getString('unknown'));
    print(await noneVar.getInteger(-1));
    print(await noneVar.getDouble(-1.1));
    print(await noneVar.getBoolean(false));
    print(await noneVar.getArray(['u', 'n', 'k', 'n', 'o', 'w', 'n']));
    print(await noneVar.getObject({"un": 'known'}));

    // 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(() {
      _string = string;
      _int = intValue;
      _double = doubleValue;
      _bool = boolValue;
      _list = list;
      _map = map;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('KARTE Variables example app'),
        ),
        body: Center(
          child: Column(
            // mainAxisAlignment: MainAxisAlignment.center,
            children: [
              ElevatedButton(
                onPressed: () {
                  Variables.fetch().then((value) async {
                    print("variables fetch completed!");
                    await checkVariables();
                  });
                },
                child: Text("Fetch Variables"),
              ),
              ElevatedButton(
                onPressed: () async {
                  var strVar = await Variables.get('string');
                  var intVar = await Variables.get('long');
                  Variables.trackOpen([
                    strVar,
                    intVar
                  ], {
                    "from": 'Flutter',
                  });
                },
                child: Text("Track open"),
              ),
              ElevatedButton(
                onPressed: () async {
                  var strVar = await Variables.get('string');
                  var intVar = await Variables.get('long');
                  Variables.trackClick([
                    strVar,
                    intVar
                  ], {
                    "from": 'Flutter',
                  });
                },
                child: Text("Track click"),
              ),
              Text('string: $_string\n'),
              Text('int: $_int\n'),
              Text('double: $_double\n'),
              Text('bool: $_bool\n'),
              Text('array: $_list\n'),
              Text('object: $_map\n'),
            ],
          ),
        ),
      ),
    );
  }
}