주식회사 이웃사촌

안드로이드 스튜디오에서 android 부분을 열고서.., 1.gradle-wrapper.property 에서 distributionUrl=https\://services.gradle.org/distributions/gradle-6.2.1-bin.zip 2.프로젝트의 build.gradle 에서 dependencies { classpath 'com.android.tools.build:gradle:4.0.1' } 3.앱의 build.gradle 에서 .., compileSdkVersion 30 targetSdkVersion 30 확이하기.., 4.메sb Refactor/Migrate To AndroidX 를 클릭하여 마이그레이션 처리하기.., 5.처리한다음 gradel.property 를 확인하면.., an..

@override void initState() { super.initState(); _controller = TabController( length: tabs.length, vsync: this, initialIndex: selectedIndex); //컨트롤러 리스너 달기 _controller.addListener(() { if (selectedIndex != _controller.index) { selectedIndex = _controller.index; _sendCurrentTab(); } }); } void _sendCurrentTab() { observer.analytics.setCurrentScreen(screenName: 'tab/$selectedIndex'); }

1.변수선언 static FirebaseAnalytics analytics = FirebaseAnalytics(); static FirebaseAnalyticsObserver observer = FirebaseAnalyticsObserver(analytics: analytics); 2.버튼을 클릭하면.., _sendAnalyticsEvent(); 호출 Future _sendAnalyticsEvent() async { await analytics.logEvent( name: 'test_event', parameters: {'string': 'helloo flutter', 'int': 100}); setMessage('Analytics 보내기 성공'); }

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(); } });