[안드로이드/코틀린] 코틀린 프레그먼트

---

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# activity_main.xml

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

    <android.support.v4.view.ViewPager
            android:id="@+id/vpMainActivity"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintRight_toRightOf="parent"
            app:layout_constraintTop_toTopOf="parent"/>

</android.support.constraint.ConstraintLayout>

# fragment_main.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
   xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:app="http://schemas.android.com/apk/res-auto"
   android:layout_width="match_parent"
   android:layout_height="match_parent">

   <TextView
      android:id="@+id/tvFragmentMain"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:textSize="20dp"
      android:textStyle="bold"
      app:layout_constraintBottom_toTopOf="parent"
      app:layout_constraintEnd_toEndOf="parent"
      app:layout_constraintStart_toStartOf="parent"
      app:layout_constraintTop_toBottomOf="parent" />

</android.support.constraint.ConstraintLayout>

# AFragment.kt, BFragment.kt, ... EFragment.kt

package com.example.bhj28.test.UI

import android.os.Bundle
import android.support.v4.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import com.example.bhj28.test.R
import kotlinx.android.synthetic.main.fragment_main.*

class AFragment : Fragment() {

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, 
                                savedInstanceState: Bundle?): View? {
        return inflater.inflate(R.layout.fragment_main, container, false)
    }

    override fun onActivityCreated(savedInstanceState: Bundle?) {
        super.onActivityCreated(savedInstanceState)

        //뷰 설정
        tvFragmentMain.text = "A Fragment"

    }

}

# MainActivity.kt

package com.example.bhj28.test

import android.support.v7.app.AppCompatActivity
import android.os.Bundle
import kotlinx.android.synthetic.main.activity_main.*

class MainActivity : AppCompatActivity() {

    private val adapter by lazy { MainAdapter(supportFragmentManager) }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        vpMainActivity.adapter = MainActivity@adapter
    }
}

# MainAdapter.kt

package com.example.bhj28.test

import android.support.v4.app.Fragment
import android.support.v4.app.FragmentManager
import android.support.v4.app.FragmentStatePagerAdapter
import android.view.ViewGroup
import com.example.bhj28.test.UI.*

class MainAdapter(fm: FragmentManager) : FragmentStatePagerAdapter(fm) {
    override fun getItem(position: Int): Fragment? {
        return when (position) {
            0 -> AFragment()
            1 -> BFragment()
            2 -> CFragment()
            3 -> DFragment()
            4 -> EFragment()
            else -> null
        }
    }

    // 생성 할 Fragment 의 개수
    override fun getCount() = 5

    override fun destroyItem(container: ViewGroup, position: Int, `object`: Any) {
        super.destroyItem(container, position, `object`)
        //Log.e("FragmentPagerAdapter", "destroyItem position : $position")
    }

}

# 마무리

위 포스트는 제가 직접 제작한 것 입니다.

그렇기 때문에 틀린점이나 설명이 엉성한 점이 존재할 수 있습니다.

만약 틀린점이나 설명이 엉성한 부분이 존재하면 댓글로 알려주세요.

빠른 처리 하도록 하겠습니다.

티스토리 앱으로는 댓글 이용이 불가능 하므로 웹 브라우저로 봐 주세요

(URL : http://junprogramer.tistory.com/)

읽어주셔서 감사합니다.