tcg_location 0.0.2

A new flutter plugin project.

example/lib/main.dart

import 'dart:ui';

import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';
import 'dart:async';
import 'dart:isolate';
import 'dart:ui';
import 'package:flutter/services.dart';

import 'package:shared_preferences/shared_preferences.dart';
import 'package:f_logs/f_logs.dart';

import 'package:tcg_location/tcg_location.dart';

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

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

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';
  String _sampleData = 'Unknown';
  bool _initialized = false;
  List<String> _dataItems = new List<String>();
  ReceivePort port = ReceivePort();

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

    IsolateNameServer.registerPortWithName(
        port.sendPort, 'location_update_send_port');
    port.listen((dynamic data) {
      print('Event: $data');
      setState(() {
        FLog.info(className: 'Callback Data', methodName: 'static void callback(String data)', text: data);
        _dataItems.add(data);
      });
    });

    initPlatformState();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    try {
      platformVersion = await TcgLocation.platformVersion;
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    String sampledata;
    try {
      sampledata = await TcgLocation.sampleLocation;
    } on PlatformException {
      sampledata = 'Failed to get sample data.';
    }

    SharedPreferences prefs = await SharedPreferences.getInstance();
    await prefs.setInt('counter', 666);

    print('Initializing...');
    await TcgLocation.initialize();
    print('Initialization done');

    // 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;

    final logList = await FLog.getAllLogs();
    final List<String> dataList = new List<String>();

    logList.forEach((element) {
      dataList.add(element.text + " " + element.timestamp);
    });

    //await FLog.clearLogs();

    setState(() {
      _platformVersion = platformVersion;
      _sampleData = sampledata;
      _dataItems.add("Running on: $_platformVersion");
      _dataItems.add("Sample Data: $_sampleData");
      _dataItems.addAll(dataList);
    });
  }

  static void callback(String data) {
    print("Received value from callback : $data");

    try {
      final SendPort send =
      IsolateNameServer.lookupPortByName('location_update_send_port');
      send?.send(data);
      // No need to set state, we have what we need. Make network service call
    } catch(Exception) {
      print(Exception);
    }
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Center(
          child: Container(child:
          Column(
            children: [
              Text('Total Log Count: ' + _dataItems.length.toString()),
              OutlineButton(
                child: Text('Clear logs'),
                onPressed: () async {
                  //final bool initialized = await IosLocation.startLocation(locationCallback);
                  await FLog.clearLogs();
                  setState(() {

                    _dataItems = new List<String>();
                    _dataItems.add("Running on: $_platformVersion");
                    _dataItems.add("Sample Data: $_sampleData");
                  });
                },
              ),
              OutlineButton(
                child: Text('Initialize'),
                onPressed: () async {
                  //final bool initialized = await IosLocation.startLocation(locationCallback);
                  final bool initialized = await TcgLocation.startLocation(callback);

                  setState(() {
                    _initialized = initialized;
                  });
                },
              ),
              if(_initialized) OutlineButton(
                child: Text('Stop'),
                onPressed: () async {
                  final stopped = await TcgLocation.stopLocation();

                  setState(() {
                    _initialized = !stopped;
                  });
                },
              ), if (_dataItems.isNotEmpty)
                Expanded(child:
                ListView.builder(itemBuilder: (context, index) {
                  final item = _dataItems[index];

                  return ListTile(title: Text(item));

                },
                    itemCount: _dataItems.length),)
            ],
          ),),
        ),
      ),
    );
  }
}