인프런 커뮤니티 질문&답변

FirstFragmentadapter.kt

package com.example.yeatlen.Fragment

import android.content.Context
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.BaseAdapter
import android.widget.ImageView
import android.widget.TextView
import androidx.recyclerview.widget.RecyclerView
import com.example.yeatlen.R

class FirstFragAdapter(val context: Context, val list: ArrayList<ContentsListModel>):BaseAdapter(){
    override fun getView(position: Int, convertView: View?, parent: ViewGroup?): View {
        val view : View
        val holder : ViewHolder

        if(convertView==null){
            view = LayoutInflater.from(context).inflate(R.layout.listview_item, null)
            holder = ViewHolder()
            holder.view_image1 = view.findViewById(R.id.lv_image_area)
            holder.view_text1 = view.findViewById(R.id.lv_textview_1)
            holder.view_text2 = view.findViewById(R.id.lv_textview_2)
            holder.view_text3 = view.findViewById(R.id.lv_textview_3)
        }else {
            holder = convertView.tag as ViewHolder
            view = convertView
        }

        val item = list[position]
        holder.view_text1?.text= item.title
        return view
    }

    override fun getItem(p0: Int): Any {
        return list.get(p0)
    }

    override fun getItemId(position: Int): Long {
        return 0
    }

    override fun getCount(): Int {
        return list.size
    }

    private class ViewHolder{
        var view_image1 : ImageView? = null
        var view_text1 : TextView? = null
        var view_text2 : TextView? = null
        var view_text3 : TextView? = null

    }

}

FirstFragment.kt

package com.example.yeatlen.Fragment

import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import com.example.yeatlen.R
import kotlinx.android.synthetic.main.fragment_first.view.*


// TODO: Rename parameter arguments, choose names that match
// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER

/**
 * A simple [Fragment] subclass.
 */
class FirstFragment : Fragment() {
    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {

        val view : View = inflater.inflate(R.layout.fragment_first, container, false)
        val list_array = arrayListOf<ContentsListModel>(
            ContentsListModel("a","a",1,"c"),
            ContentsListModel("a","b",1,"c"),
            ContentsListModel("a","ab",1,"c"),
            ContentsListModel("a","ab",1,"c"),
            ContentsListModel("a","f",1,"c"),
            ContentsListModel("a","d",1,"c"),
            ContentsListModel("a","c",1,"c")

        )
        val list_adapter = FirstFragAdapter(requireContext(),list_array)
        view.listview_first_fragment.adapter = list_adapter
        return view
    }

}

ContentsListModel.kt

package com.example.yeatlen.Fragment

data class ContentsListModel(
    var image : String,
    var title : String,
    var number : Int,
    var category : String
)

listview_item.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="horizontal" android:layout_width="match_parent"
    android:layout_height="match_parent">

    <de.hdodenhof.circleimageview.CircleImageView
        android:id="@+id/lv_image_area"
        android:src="@drawable/ai"
        android:layout_margin="20dp"
        android:layout_height="80dp"
        android:layout_width="80dp" />
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <TextView
            android:id="@+id/lv_textview_1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="10dp"
            android:text="제목 영역입니다."
            android:textSize="25dp"
            android:textStyle="bold" />

        <TextView
            android:id="@+id/lv_textview_2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:text="최근 리뷰가 10개 입니다." />

        <TextView
            android:id="@+id/lv_textview_3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:text="분류입니다." />
        
    </LinearLayout>


</LinearLayout>

fragment_first.xml

<?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=".Fragment.FirstFragment">

    <!-- TODO: Update blank fragment layout -->
    <ListView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/listview_first_fragment"/>
</FrameLayout>

입니다. 코드상에 붉은 줄로 오류같은건 안뜨는데 아이콘클릭해서 화면넘어가면 바로 앱이 종료되버립니다.