* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.

3주차 5강 수강후 앱 실행에 관한질문입니다.

에러 없이 정상 실행이 되었지만 시간대별 더미리스트가 출력되지 않습니다.

FirstFragment

작성한 코드 및 에러 메세지

WeatherFragmentStateAdapter.kt

package com.example.spartaweatherapp
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.appcompat.app.AppCompatActivity
import androidx.fragment.app.Fragment
import androidx.viewpager2.adapter.FragmentStateAdapter

class WeatherFragmentStateAdapter(activity: AppCompatActivity) : FragmentStateAdapter(activity) {
    override fun getItemCount() = 2

    override fun createFragment(position: Int): Fragment {

        return when (position) {
            0 -> FirstFragment()
            else -> SecondFragment()
        }
    }

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

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

-------------------------------------------

fragment_weather_list.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
    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"
    tools:context=".WeatherListFragment">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/top_layout"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:background="@drawable/top_background"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHeight_percent="0.5"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <TextView
            android:id="@+id/region_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="45dp"
            android:text="@string/seoul"
            android:textColor="#FFFFFF"
            android:textSize="15sp"
            android:textStyle="bold"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <ImageView
            android:id="@+id/weather_status_iv"
            android:layout_width="100dp"
            android:layout_height="70dp"
            android:layout_marginEnd="20dp"
            android:contentDescription="@+id/weather_status_iv"
            android:src="@drawable/ic_color_sunny_cloudy"
            app:layout_constraintBottom_toBottomOf="@id/main_temper_tv"
            app:layout_constraintEnd_toStartOf="@id/main_temper_tv"
            app:layout_constraintHorizontal_chainStyle="packed"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="@id/main_temper_tv" />

        <TextView
            android:id="@+id/main_temper_tv"
            android:layout_width="wrap_content"
            android:layout_height="128dp"
            android:text="@string/three"
            android:contentDescription="@+id/main_temper_tv"
            android:textColor="#FFFFFF"
            android:textSize="90sp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toEndOf="@id/weather_status_iv"
            app:layout_constraintTop_toBottomOf="@id/region_text" />

        <ImageView
            android:id="@+id/ic_temp_view"
            android:layout_width="16dp"
            android:layout_height="16dp"
            android:contentDescription="@+id/ic_temp_view"
            android:src="@drawable/ic_temperature"
            app:layout_constraintBottom_toBottomOf="@id/main_temper_tv"
            app:layout_constraintStart_toEndOf="@id/main_temper_tv"
            app:layout_constraintTop_toTopOf="@id/main_temper_tv"
            app:layout_constraintVertical_bias="0.2" />

        <TextView
            android:id="@+id/main_weather_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="7dp"
            android:text="@string/cloudy"
            android:textColor="#FFFFFF"
            android:textSize="16sp"
            android:textStyle="bold"
            app:layout_constraintEnd_toEndOf="@id/main_temper_tv"
            app:layout_constraintStart_toStartOf="@id/main_temper_tv"
            app:layout_constraintTop_toBottomOf="@id/weather_status_iv" />

    </androidx.constraintlayout.widget.ConstraintLayout>

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/list_layout"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:background="@drawable/list_background"
        android:paddingHorizontal="24dp"
        android:paddingVertical="35dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHeight_percent="0.68"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent">

        <ImageView
            android:id="@+id/ic_time_weather_view"
            android:layout_width="12dp"
            android:layout_height="12dp"
            android:contentDescription="@+id/ic_time_weather_view"
            android:src="@drawable/ic_sun"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />


        <TextView
            android:id="@+id/main_time_weather_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="7dp"
            android:includeFontPadding="true"
            android:text="@string/time_weather"
            android:textColor="#9DA7AE"
            android:textSize="12sp"
            app:layout_constraintBottom_toBottomOf="@id/ic_time_weather_view"
            app:layout_constraintStart_toEndOf="@id/ic_time_weather_view"
            app:layout_constraintTop_toTopOf="@id/ic_time_weather_view"
            app:layout_constraintVertical_bias="0.5" />


        <LinearLayout
            android:id="@+id/header"
            android:layout_width="0dp"
            android:layout_height="40dp"
            android:layout_marginTop="30dp"
            android:orientation="horizontal"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/main_time_weather_text">

            <TextView
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:gravity="center"
                android:text="@string/time"
                android:textSize="14sp" />

            <TextView
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:gravity="center"
                android:text="@string/Weather"
                android:textSize="14sp" />

            <TextView
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:gravity="center"
                android:text="@string/temper"
                android:textSize="14sp" />

            <TextView
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:gravity="center"
                android:text="@string/raine"
                android:textSize="14sp" />
        </LinearLayout>

        <com.google.android.material.divider.MaterialDivider
            android:layout_width="match_parent"
            android:layout_height="2dp"
            android:layout_marginHorizontal="11dp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/header" />

        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/weather_list"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_marginHorizontal="11dp"
            android:layout_marginBottom="40dp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/header"
            app:layout_constraintBottom_toBottomOf="parent"
            tools:listitem="@layout/item_layout" />

    </androidx.constraintlayout.widget.ConstraintLayout>
</androidx.constraintlayout.widget.ConstraintLayout>

-----------------------------------------

WeatherListFragment.kt

package com.example.spartaweatherapp
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.appcompat.content.res.AppCompatResources.getDrawable
import androidx.fragment.app.Fragment
import androidx.recyclerview.widget.DividerItemDecoration
import androidx.recyclerview.widget.LinearLayoutManager
import com.example.spartaweatherapp.databinding.FragmentWeatherListBinding

class WeatherListFragment : Fragment() {
    private var _binding: FragmentWeatherListBinding? = nullprivate val binding get() = _binding!!
    private val listAdapter by lazy { WeatherItemListAdapter() }
    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View {
        _binding = FragmentWeatherListBinding.inflate(inflater, container, false)
        val root: View = binding.root
        return root
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)

        val dataList = WeatherDataList.list
        with(binding) {
            weatherList.apply {
                adapter = listAdapterlayoutManager = LinearLayoutManager(requireContext())
                DividerItemDecoration(requireContext(), LinearLayoutManager.VERTICAL).apply {
                    getDrawable(requireContext(), R.drawable.list_divider)?.let { setDrawable(it) }
                }.also {
                    addItemDecoration(it)
                }
                listAdapter.submitList(dataList.toList())
            }
            // 임시로 현재 날씨는 0번 Dummy Data로 설정val currentWeather = dataList.get(0)
            weatherStatusIv.setImageResource(currentWeather.skyStatus.colorIcon)
            mainWeatherText.text = currentWeather.skyStatus.text
            mainTemperTv.text = currentWeather.temperature
        }
    }
}

에러 메시지 없이 정상적 인스톨 되었습니다.