octant 0.1.4

Octant is a lightweight SDK that helps to collect and report device's location and provides API to query users' travelled distance or history locations.

example/lib/main.dart

import 'package:flutter/material.dart';

import 'package:octant/octant.dart';

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

class MyApp extends StatefulWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  @override
  void initState() {
    super.initState();
    Octant.init('1', teamCode: '1', baseUrl: 'https://nextbillion.zodme.com');
    Octant.enableDebug(true);
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: SingleChildScrollView(
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.center,
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              GradientButton('start service', () {
                Octant.startService(
                    notificationDrawable: 'ic_launcher',
                    notificationTitle: 'Octant Example',
                    notificationContent: 'location tracking in progress...');
              }),
              const GradientButton('start tracing', Octant.startTracing),
              const GradientButton('stop service', Octant.stopService),
              GradientButton('Configure intervals', () {
                Octant.configureIntervals(
                    gatheringInterval: 12, uploadingInterval: 1);
              }),
              GradientButton('QueryRanking', () {
                int startTime = DateTime.now()
                    .subtract(const Duration(days: 7))
                    .millisecond;
                int endTime = DateTime.now().microsecond;
                int limit = 10;
                List<String> userCodeList = ['0', '1', '2'];
                Octant.queryRanking(
                    startTime: startTime,
                    endTime: endTime,
                    limit: limit,
                    userCodeList: userCodeList);
              }),
              GradientButton('QueryUserCoord', () {
                int startTime = DateTime.now()
                    .subtract(const Duration(days: 7))
                    .millisecond;
                int endTime = DateTime.now().microsecond;
                int limit = 10;
                Octant.queryUserCoordinate(
                    startTime: startTime, endTime: endTime, limit: limit);
              }),
            ],
          ),
        ),
      ),
    );
  }
}

class GradientButton extends StatelessWidget {
  const GradientButton(this.text, this.onPressed, {Key? key}) : super(key: key);

  final String text;
  final VoidCallback? onPressed;

  @override
  Widget build(BuildContext context) {
    return Container(
      alignment: Alignment.center,
      height: 50,
      margin: const EdgeInsets.fromLTRB(16, 50, 16, 16),
      child: RaisedButton(
        onPressed: onPressed,
        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(80)),
        padding: const EdgeInsets.all(0),
        child: Ink(
          decoration: BoxDecoration(
              gradient: const LinearGradient(
                colors: [Color(0xff007bff), Color(0xff64B6ff)],
                begin: Alignment.centerLeft,
                end: Alignment.centerRight,
              ),
              borderRadius: BorderRadius.circular(30.0)),
          child: Container(
            constraints: const BoxConstraints(minHeight: 50, maxWidth: 250),
            alignment: Alignment.center,
            child: Text(
              text,
              textAlign: TextAlign.center,
              style: const TextStyle(color: Colors.white),
            ),
          ),
        ),
      ),
    );
  }
}