혀가 길지 않은 개발자

1. onAttach()에서 Context 파라미터를 이용하여 Activity 객체를 생성하는 방법 2. Bundle 객체를 생성해서 Fragment의 전달인자로 보내는 방법 3. ViewModel을 공유하는 방법 1. onAttach()에서 Context 파라미터로 Activity 객체 생성하여 전달받는 방법 activity_main.xml fragment_red.xml fragment_green.xml FragmentGreen.kt package com.jwsoft.kotlinproject import android.content.Context import android.os.Bundle import android.view.LayoutInflater import android.view.View imp..

build.gradle (Module: app) android { dataBinding { enabled = true } kotlinOptions { jvmTarget = "1.8" // viewModels() 사용 } } dependencies { // viewModels() 사용 implementation 'androidx.fragment:fragment-ktx:1.2.5' // ViewPager2 사용 implementation 'androidx.viewpager2:viewpager2:1.0.0' } activity_main.xml fragment_red.xml fragment_green.xml fragment_blue.xml fragment_white.xml fragment_black.xml Ma..

MVP (Model + View + Presenter) activity_main.xml model/Player.kt package com.jwsoft.kotlinproject.model enum class Player { O, X, NULL } model/Cell.kt package com.jwsoft.kotlinproject.model data class Cell ( var player: Player = Player.NULL ) model/Board.kt package com.jwsoft.kotlinproject.model class Board { lateinit var currentPlayer: Player // X 선차례 lateinit var cells: Array init { clearCells..

MVP (Model + View + Presenter) activity_main.xml model/Player.java package com.jwsoft.javaproject.model; public enum Player { O, X, NULL } model/Cell.java package com.jwsoft.javaproject.model; public class Cell { private Player player; public void setPlayer(Player player) { this.player = player; } public Player getPlayer() { return this.player; } } model/Board.java package com.jwsoft.javaproject..

MVC (Model + View Controller) activity_main.xml View 역할 model/Player.kt package com.jwsoft.model enum class Player { O, X, NULL } model/Cell.kt package com.jwsoft.model data class Cell ( var player: Player ) model/Board.kt package com.jwsoft.model class Board { var currentPlayer: Player = Player.X var winnerPlayer: Player = Player.NULL var cells: Array = Array(3) { Array(3) { Cell(Player.NULL) }..