주식회사 이웃사촌

1.프로젝트 생성 2.구성 파일 다운로드 및 프로젝트에 복사하기 3.SDK 추가 project 단위의 build.gradel 에서 다음라인 추가 모듈단위의 build.gradel 에서

1.Flutter 에서 호출하기 static const platform = const MethodChannel('com.flutter.dev/info'); static const platform3 = const MethodChannel('com.flutter.dev/dialog'); Future _getDeviceInfo() async { String deviceInfo; try { final String result = await platform.invokeMethod('getDeviceInfo'); deviceInfo = 'Device Info : $result'; } catch (e) { deviceInfo = 'Failed to get Device info : ${e.toString()}'; } ..

late AnimationController _animationController; late Animation _transAnimation; late Animation _rotateAnimaiton; late Animation _scaleAnimation; bool isForward = true; @override void initState() { super.initState(); //���ϸ��μǿ��� ������ ������ �ʱ�ȭ �Ѵ�. //0.��Ʈ�ѷ� _animationController = AnimationController(duration: Duration(seconds: 5), vsync: this); //1.�̵� _transAnimation = Tween(begin: Offset..

//todos ==> List ==> List Future getTodos() async { //1.데이타베이스 참조 Database database = await widget.db; //2.query List maps = await database.query('todos'); //3.convert List ==> List return List.generate(maps.length, (index) { bool active = maps[index]['active'] == 1 ? true : false; return Todo( title: maps[index]['title'], content: maps[index]['content'], active: active); }); }

import 'dart:io'; import 'package:flutter/material.dart'; import 'package:path_provider/path_provider.dart'; import 'package:shared_preferences/shared_preferences.dart'; class FileApp extends StatefulWidget { const FileApp({Key? key}) : super(key: key); @override _FileAppState createState() => _FileAppState(); } class _FileAppState extends State { int _count = 0; //과일항목을 담을 리스트를 선언한다. List itemL..

dependencies: flutter: sdk: flutter # The following adds the Cupertino Icons font to your application. # Use with the CupertinoIcons class for iOS style icons. cupertino_icons: ^1.0.2 path_provider: ^2.0.2 //화일에 내용을 쓴다. void writeCountFile(int count) async { var dir = await getApplicationDocumentsDirectory(); File(dir.path + '/count.txt').writeAsStringSync(count.toString()); } //화일에 내용을 쓴다. void..

_scrollController = new ScrollController(); _scrollController!.addListener(() { if (_scrollController!.offset >= _scrollController!.position.maxScrollExtent && !_scrollController!.position.outOfRange) { print('bottom'); page++; getJSONData(); } });

import 'dart:io'; import 'package:flutter/material.dart'; import 'package:dio/dio.dart'; import 'package:path_provider/path_provider.dart'; class LargeFileMain extends StatefulWidget { @override State createState() => _LargeFileMain(); } class _LargeFileMain extends State { bool downloading = false; var progressString = ""; String? file = ""; TextEditingController? _editingController; @override ..

download == true 이면 CircleProgerssIndicator 를 보여주고 false 이면 받은 이미지 화일을 builder 에서 처리해서 future 에서 이미지 위젯을 만들어 화면에 던진다. body: Center( child: downloading ? Container( width: 200, height: 120, child: Card( color: Colors.black, child: Column( mainAxisAlignment: MainAxisAlignment.center, children: [ CircularProgressIndicator(), SizedBox( height: 20, ), Text( 'Downloading File : $progressString', style..

val washingtonRef = db.collection("cities").document("DC") // Set the "isCapital" field of the city 'DC' washingtonRef .update("capital", true) .addOnSuccessListener { Log.d(TAG, "DocumentSnapshot successfully updated!") } .addOnFailureListener { e -> Log.w(TAG, "Error updating document", e) } DocSnippets.kt