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import 'package:flutter/material.dart';

const Color darkBlue = Color.fromARGB(255, 18, 32, 47);

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

class MyApp extends StatelessWidget {
  @override

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For TestFlight: How to obtain UDID

1.Production certificate

2.App Store Distribution provisioning profile

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parseJson() {
   try {
      return Login.fromJson(json.decode(result.body));
    } on FormatException catch (e) { // catching an exception according to it's type
      return Future.error(InvalidDataError(e.message));
    } on ParseException {
      return Future.error(InvalidDataError());
    } catch (_) {
      return Future.error(InvalidDataError());
    }

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class IsolateHolderService : MethodChannel.MethodCallHandler, LocationUpdateListener, Service() {

    // ... other code ...

    companion object {

        private var notificationChannelName = "Flutter Locator Plugin"
        private var notificationTitle = "Start Location Tracking"
        private var notificationMsg = "Track location in background"
        private var notificationBigMsg = "Background location is on to keep the app up-tp-date with your location. This is required for main features to work properly when the app is not running."

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// jshint esnext:true
// "use strict";
// esversion: 6 
 
// https://jsbin.com/yujazob/edit?js

// you can see the output in the console (cmd+opt+J)
var config = {
    apiKey: "AIzaSyBVF7jKRrkBl22S03aZy_77m0Q9edXccx8",
		authDomain: "treckerandroid.firebaseapp.com",

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iOS Archive. Error xcode_backend.sh: No such file or directory Command PhaseScriptExecution failed with a nonzero exit code

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library built_vehicle;

import 'dart:convert';

import 'package:built_collection/built_collection.dart';
import 'package:built_value/built_value.dart';
import 'package:built_value/serializer.dart';
import 'package:clean_architecture/built_value/serializers.dart';

part 'built_vehicle.g.dart';

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Article on hot keys

Ctrl+Alt+O - removing unused imports

Alt+Cmd+V - extracting a variable

Alt+Cmd+C - extracting a constant

Alt+Cmd+M - extracting a method

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class TestLocalizationsDelegate
		extends LocalizationsDelegate<TestLocalizations> {
	const TestLocalizationsDelegate();
	
	@override
	bool isSupported(Locale locale) {
		return [DE, EN, PL].contains(locale.languageCode);
	}
	
	@override

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class Application : FlutterApplication() {

    override fun onCreate() {
        super.onCreate()
        LocationService.setPluginRegistrant(object: PluginRegistry.PluginRegistrantCallback {
            override fun registerWith(registry: PluginRegistry?) {
                registry?.registrarFor("us.kostenko.gps_service_plugin.GpsServicePlugin")?.let {
                    GpsServicePlugin.registerWith(it)
                }
            }