ViewPager2 with Fragment 프레그먼트 뷰페이저2
Android 2023. 7. 11. 20:00 |반응형
안드로이드 앱 프로그래밍 with 코틀린 11-5 뷰페이저2
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<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".OneFragment">
<!-- TODO: Update blank fragment layout -->
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#FF0000"
android:gravity="center_horizontal|center_vertical"
android:text="One Fragment" />
</FrameLayout>
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fragment_one.xml
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package com.example.myapplication
import android.os.Bundle
import androidx.fragment.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
class OneFragment : Fragment() {
override fun onCreateView(
inflater: LayoutInflater, container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_one, container, false)
}
}
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OneFragment.kt
같은 형태로 TextView 배경색만 바꿔서 TwoFragment, ThreeFragment도 만들어 준다.
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
android:orientation="vertical"
tools:context=".MainActivity">
<androidx.viewpager2.widget.ViewPager2
android:id="@+id/viewpager"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
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activity_main.xml
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package com.example.myapplication
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.util.Log
import androidx.fragment.app.Fragment
import androidx.fragment.app.FragmentActivity
import androidx.viewpager2.adapter.FragmentStateAdapter
import androidx.viewpager2.widget.ViewPager2
class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
val viewPager2: ViewPager2 = findViewById(R.id.viewpager)
viewPager2.adapter = MyFragmentPagerAdapter(this)
//viewPager2.orientation = ViewPager2.ORIENTATION_VERTICAL
// 이 설정을 적용하면 스와이프 방향이 세로로 바뀐다.
}
}
class MyFragmentPagerAdapter(activity: FragmentActivity) : FragmentStateAdapter(activity) {
val fragments: List<Fragment>
init {
fragments = listOf(OneFragment(), TwoFragment(), ThreeFragment())
Log.d("Sean", "Fragments size: ${fragments.size}")
}
override fun getItemCount(): Int {
return fragments.size
}
override fun createFragment(position: Int): Fragment {
return fragments[position]
}
}
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MainActivity.kt
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