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import 'package:flutter/material.dart';

void main() {
  runApp(const MaterialApp(
    title: 'Navigation Basics',
    home: FirstRoute(),
  ));
}

class FirstRoute extends StatelessWidget {

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import 'dart:async';

import 'package:flutter/widgets.dart';
import 'package:path/path.dart';
import 'package:sqflite/sqflite.dart';

void main() async {
  // Avoid errors caused by flutter upgrade.
  // Importing 'package:flutter/widgets.dart' is required.
  WidgetsFlutterBinding.ensureInitialized();

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import 'dart:async';
import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;

Future<Album> createAlbum(String title) async {
  final response = await http.post(
    Uri.parse('https://jsonplaceholder.typicode.com/albums'),
    headers: <String, String>{

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import 'dart:async';
import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;

Future<Album> fetchAlbum() async {
  final response = await http
      .get(Uri.parse('https://jsonplaceholder.typicode.com/albums/1'));

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name: Android CI

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  build:

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public class ItemContentProvider extends ContentProvider {

   @Override

   public boolean onCreate() { return true; }

   @Nullable

   @Override

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   GlobalScope
   coroutineScope
   runBlocking
   runBlocking 2
   Job
   Récupérer la valeur d'un Job 
   Exception
===============================
 GlobalScope
===============================

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Dans Unit Test
============================================
Database
============================================
public class Database {

    public boolean isAvailable() {
        // currently not implemented, as this is just demo used in a software test
        return false;
    }

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Sans runTime permission

===================================
Gradle
===================================
  implementation 'com.android.volley:volley:1.2.1'


===================================
Manifest

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========================================================
layout activity
========================================================
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">