인프런 커뮤니티 질문&답변

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rost78

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[초급편] 안드로이드 커뮤니티 앱 만들기(Android Kotlin)

게시글 보기 페이지

리스트뷰 아이템 클릭 잘 안되네요.ㅠ.ㅠ

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게시글 보기 페이지 공부하고 있어요

응용해서 만들고 있는데요

error.png

리스트뷰 아이템 글릭 코딩에서 에러가 나와요

context이부분이 계속 빨간색으로 나오더라구요

import 해도 저렇게 뜨구요

problems 에서는

Unresolved reference : context

이렇게 뜨네요.. 흠.. 잘모루겠어요

도와주세요

 

androidkotlinfirebase

답변 4

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개복치개발자님의 프로필 이미지
개복치개발자
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확인이 늦어서 죄송합니다.

Context -> this 로 변경해보시겠어요?

잘 안되시면 전체 코드를 압축해서 uyalae@naver.com 로 전달주시면 살펴보겠습니다.

0

rost78님의 프로필 이미지
rost78
질문자

구글링 열심히 해도 찾기가 힘드네요.. 잘 안되네요..ㅠ.ㅠ

개복치개발자님의 프로필 이미지
개복치개발자
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퇴근후에 살펴보겠습니당 ㅠㅠ

0

rost78님의 프로필 이미지
rost78
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ImdaeListActivity

import android.content.Intent
import android.os.Bundle
import android.util.Log
import androidx.appcompat.app.AppCompatActivity
import androidx.databinding.DataBindingUtil
import com.example.mymemul.ListTextView.ImdaeListModel
import com.example.mymemul.R
import com.example.mymemul.Todo.ImdaeListRvAdapter
import com.example.mymemul.databinding.ActivityImdaeListBinding
import com.example.mymemul.util.FBAuth
import com.example.mymemul.util.FBRef
import com.google.firebase.auth.FirebaseAuth
import com.google.firebase.auth.ktx.auth
import com.google.firebase.database.DataSnapshot
import com.google.firebase.database.DatabaseError
import com.google.firebase.database.ValueEventListener
import com.google.firebase.ktx.Firebase

class ImdaeListActivity : AppCompatActivity() {

    private lateinit var auth: FirebaseAuth

    private val imdaeDataList = mutableListOf<ImdaeListModel>()
    // private val ImdaeKeyList = mutableListOf<String>()

    private val TAG = ImdaeListActivity::class.java.simpleName

    private lateinit var binding: ActivityImdaeListBinding

    private lateinit var imdaeListAdapter: ImdaeListRvAdapter

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

        binding = DataBindingUtil.setContentView(this, R.layout.activity_imdae_list)

        binding = ActivityImdaeListBinding.inflate(layoutInflater)
        val view = binding.root
        setContentView(view)

        auth = Firebase.auth

        binding.imdaeListBtn.setOnClickListener {
            val intent = Intent(this, ImdaeSaActivity::class.java)
            startActivity(intent)
        }

        imdaeListAdapter = ImdaeListRvAdapter(imdaeDataList)
        binding.imdaeListView.adapter = imdaeListAdapter

                binding.imdaeListView.setOnItemClickListener { parent, view, position, id ->
            val intent = Intent(context, ImdaeSsbActivity::class.java)

            startActivity(intent)
            }

        //임대 리스트
        getImdaeListData()

    }

    private fun getImdaeListData() {

        val postListener = object : ValueEventListener {
            override fun onDataChange(datasnapshot: DataSnapshot) {

                imdaeDataList.clear()

                for (dataModel in datasnapshot.children) {

                    Log.d(TAG, dataModel.toString())

                    val item = dataModel.getValue(ImdaeListModel::class.java)
                    imdaeDataList.add(item!!)
                    //   ImdaeKeyList.add(dataModel.key.toString())

                }

                imdaeListAdapter.notifyDataSetChanged()


            }

            override fun onCancelled(databaseError: DatabaseError) {

                Log.w(TAG, "loadPost:onCancelled", databaseError.toException())
            }
        }
        var uid = FBAuth.getUid()
        FBRef.user
            .child("Imdae")
            .child(uid)
            .addValueEventListener(postListener)
    }
}

ImdaeSaActivity

class ImdaeSaActivity : AppCompatActivity() {

    private val TAG = ImdaeSaActivity::class.java.simpleName

    private lateinit var auth: FirebaseAuth

    private var mEtAddress: EditText? = null

    //   private val data = arrayListOf<ImdaeTodo>()

    private lateinit var binding: ActivityImdaeSaBinding

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

        binding = DataBindingUtil.setContentView(this, R.layout.activity_imdae_sa)

        auth = Firebase.auth
        //       auth = FirebaseAuth.getInstance()

        //        binding = ActivityImdaeListBinding.inflate(layoutInflater)
//        val view = binding.root
//        setContentView(view)

        binding.imdaeBtn.setOnClickListener {

            val uid = auth.currentUser?.uid.toString()


            val mulgun = binding.mulgunall.text.toString()
            val sename = binding.sename.text.toString()
            val sephone = binding.sephoneno.text.toString()
            val address = binding.etAddress.text.toString()
            val address1 = binding.etAddress1.text.toString()
            val bojung = binding.bojung.text.toString()
            val worldse = binding.worldse.text.toString()
            val kwanry1 = binding.kwanry1.text.toString()
            val kwanry2 = binding.kwanry2.text.toString()
            val mjbb = binding.myungjuk.text.toString()
            val cgbb = binding.chunggo.text.toString()
            val time = FBAuth.getTime()

            Log.d(TAG, sename)
            Log.d(TAG, sephone)

            FBRef.user
                .child("Imdae")
                .child(uid)
                .push()
                .setValue(
                    ImdaeitemModel(mulgun,sename,sephone,address,address1,
                        bojung,worldse,kwanry1,kwanry2,mjbb,cgbb, time)
                )
            Toast.makeText(this,"임대자료 입력완료", Toast.LENGTH_LONG).show()

            finish()

        }
        

    }
    

   
}

ImdaeListRvAdapter

class ImdaeListRvAdapter (val imdaeDataList : MutableList<ImdaeListModel>) : BaseAdapter() {
    override fun getCount(): Int {
        return imdaeDataList.size
    }

    override fun getItem(position: Int): Any {
       return imdaeDataList[position]
    }

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

    override fun getView(position: Int, convertView: View?, parent: ViewGroup?): View {

        var view = convertView
        if (view == null) {
            view = LayoutInflater.from(parent?.context).inflate(R.layout.activity_imdae_list_adapter,parent, false)

        }

        val mulgun = view?.findViewById<TextView>(R.id.mul)
        val sename = view?.findViewById<TextView>(R.id.sename12)
     

        mulgun!!.text = imdaeDataList[position].mulgun
        sename!!.text = imdaeDataList[position].sename
   

        return view!!
    }

}

ImdaeListModel

class ImdaeListModel (

    val mulgun: String = "",
    val sename: String = "",

)

activity_imdae_list

<layout>
<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=".List.ImdaeListActivity">

    <LinearLayout
        android:id="@+id/linearLayout2"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="#FFD968"
        android:orientation="vertical">

        <TextView
            android:id="@+id/imdaetitle"
            android:layout_width="match_parent"
            android:layout_height="50dp"
            android:layout_marginLeft="10dp"
            android:layout_marginTop="10dp"
            android:layout_marginRight="10dp"
            android:background="#FFD968"
            android:gravity="center_horizontal|center_vertical"
            android:text="임   대"
            android:textSize="20sp"
            android:textColor="#704300"
            android:textStyle="bold" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="10dp"
            android:layout_marginTop="5dp"
            android:layout_marginRight="10dp"
            android:layout_marginBottom="5dp"
            android:background="@drawable/mocer_call_mulback1"
            android:gravity="center_horizontal|center_vertical"
            android:orientation="vertical">

            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="left"
                android:orientation="horizontal">

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="left"
                    android:layout_marginLeft="10dp"
                    android:text="No"
                    android:textSize="20dp" />

                <LinearLayout
                    android:layout_width="2dp"
                    android:layout_height="10dp"
                    android:layout_gravity="center"
                    android:layout_marginLeft="5dp"
                    android:background="@color/black" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="left"
                    android:layout_marginLeft="10dp"
                    android:text="날짜"
                    android:textSize="20dp" />

                <LinearLayout
                    android:layout_width="2dp"
                    android:layout_height="10dp"
                    android:layout_gravity="center"
                    android:layout_marginLeft="5dp"
                    android:background="@color/black" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="left"
                    android:layout_marginLeft="10dp"
                    android:text="세입자"
                    android:textSize="20dp" />

                <LinearLayout
                    android:layout_width="2dp"
                    android:layout_height="10dp"
                    android:layout_gravity="center"
                    android:layout_marginLeft="5dp"
                    android:background="@color/black" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="left"
                    android:layout_marginLeft="10dp"
                    android:text="주  소"
                    android:textSize="20dp" />
            </LinearLayout>

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="horizontal">

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="10dp"
                    android:text="보증금"
                    android:textSize="20dp" />

                <LinearLayout
                    android:layout_width="2dp"
                    android:layout_height="10dp"
                    android:layout_gravity="center"
                    android:layout_marginLeft="5dp"
                    android:background="@color/black" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="5dp"
                    android:text="월세"
                    android:textSize="20dp" />

                <LinearLayout
                    android:layout_width="2dp"
                    android:layout_height="10dp"
                    android:layout_gravity="center"
                    android:layout_marginLeft="5dp"
                    android:background="@color/black" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="5dp"
                    android:text="관리비"
                    android:textSize="20dp" />
                <LinearLayout
                    android:layout_width="2dp"
                    android:layout_height="10dp"
                    android:layout_gravity="center"
                    android:layout_marginLeft="5dp"
                    android:background="@color/black" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="5dp"
                    android:text="권리금"
                    android:textSize="20dp" />

                <LinearLayout
                    android:layout_width="2dp"
                    android:layout_height="10dp"
                    android:layout_gravity="center"
                    android:layout_marginLeft="5dp"
                    android:background="@color/black" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginLeft="5dp"
                    android:text="면적"
                    android:textSize="20dp" />

            </LinearLayout>

        </LinearLayout>

        <ListView
            android:id="@+id/imdaeListView"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_marginLeft="10dp"
            android:layout_marginRight="10dp"
            android:layout_marginBottom="10dp" />
    </LinearLayout>

    <ImageView
        android:id="@+id/imdaeListBtn"
        android:layout_width="55dp"
        android:layout_height="55dp"
        android:layout_marginBottom="20dp"
        android:layout_marginRight="20dp"
        android:background="@drawable/pen"
        android:elevation="20dp"
        app:layout_constraintBottom_toBottomOf="@+id/linearLayout2"
        app:layout_constraintEnd_toEndOf="parent" />

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

activity_imdae_ssb

<layout>
<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=".List.ImdaeSsbActivity">
    

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

0

개복치개발자님의 프로필 이미지
개복치개발자
지식공유자

코드 일부가 아닌 전체 코드를 복사해서 공유해주시면 제가 살펴보겠습니다 :)

rost78님의 프로필 이미지
rost78

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