안드로이드 스튜디오 게시글 이미지 업로드 유무

게시글을 올릴때 이미지를 업로드 하지 않으면, 안드로이드 스튜디오가 꺼집니다. 혹시 이미지를 업로드 하지 않아도 게시글을 작성하려면 코드를 어떻게 수정해야하나요?

package com.example.healthcareapplication.fragments

import android.app.Activity.RESULT_OK
import android.content.Intent
import android.graphics.Bitmap
import android.graphics.drawable.BitmapDrawable
import android.os.Bundle
import android.provider.MediaStore
import androidx.fragment.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import androidx.databinding.DataBindingUtil
import androidx.navigation.fragment.findNavController
import com.example.healthcareapplication.DATA.ContentData
import com.example.healthcareapplication.DATA.ContentModel
import com.example.healthcareapplication.R
import com.example.healthcareapplication.databinding.FragmentCommunityWriteBinding
import com.google.firebase.auth.FirebaseAuth
import com.google.firebase.ktx.Firebase
import com.google.firebase.storage.ktx.storage
import java.io.ByteArrayOutputStream
import java.text.SimpleDateFormat
import java.util.Calendar
import java.util.Locale

class CommunityWriteFragment : Fragment() {
    private lateinit var binding: FragmentCommunityWriteBinding
    private lateinit var auth: FirebaseAuth
    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        binding = DataBindingUtil.inflate(inflater, R.layout.fragment_community_write, container, false)
        val view = binding.root
        auth = FirebaseAuth.getInstance()


        binding.writeBtn.setOnClickListener {
            val title = binding.title.text.toString()
            val content = binding.content.text.toString()
            fetchContent(title, content)


            findNavController().navigate(R.id.action_communityWriteFragment_to_communityFragment)

        }

        binding.ImageBtn.setOnClickListener {
            val gallery = Intent(Intent.ACTION_PICK, MediaStore.Images.Media.INTERNAL_CONTENT_URI)
            startActivityForResult(gallery, 100)
        }
        return view
    }

    private fun fetchContent(title:String, content:String){
        val userId = auth.currentUser?.uid ?: return
        val currentDateTime = Calendar.getInstance().time
        val dateFormat = SimpleDateFormat("yyyy.MM.dd HH:mm:ss", Locale.KOREA).format(currentDateTime)

        val key = ContentData.boardRef.push().key.toString()

        ContentData.boardRef
            .child(key)
            .setValue(ContentModel(title, content, userId, dateFormat))
        Toast.makeText(requireContext(), "게시글 업로드 성공!", Toast.LENGTH_SHORT).show()
        ImageUpload(key)
    }

    private fun ImageUpload(key:String){

        val storage = Firebase.storage
        val storageRef = storage.reference
        val mountainsRef = storageRef.child(key + ".png")
        val imageView = binding.imageArea

        // Get the data from an ImageView as bytes
        imageView.isDrawingCacheEnabled = true
        imageView.buildDrawingCache()
        val bitmap = (imageView.drawable as BitmapDrawable).bitmap
        val baos = ByteArrayOutputStream()
        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos)
        val data = baos.toByteArray()

        var uploadTask = mountainsRef.putBytes(data)
        uploadTask.addOnFailureListener {
            // Handle unsuccessful uploads
        }.addOnSuccessListener { taskSnapshot ->
                // taskSnapshot.metadata contains file metadata such as size, content-type, etc.
                // ...
        }
    }


    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
        super.onActivityResult(requestCode, resultCode, data)
        if(resultCode == RESULT_OK && requestCode == 100){
            val selectedImageUri = data?.data
            selectedImageUri?.let { uri ->
                binding.imageArea.setImageURI(uri)
                val layoutParams = binding.imageArea.layoutParams
                layoutParams.width = 300 // 원하는 너비 설정
                layoutParams.height = 300 // 원하는 높이 설정
                binding.imageArea.layoutParams = layoutParams
            }
        }
    }

}

    private fun fetchContent(title:String, content:String){
        val userId = auth.currentUser?.uid ?: return
        val currentDateTime = Calendar.getInstance().time
        val dateFormat = SimpleDateFormat("yyyy.MM.dd HH:mm:ss", Locale.KOREA).format(currentDateTime)

        val key = ContentData.boardRef.push().key.toString()

        ContentData.boardRef
            .child(key)
            .setValue(ContentModel(title, content, userId, dateFormat))
        Toast.makeText(requireContext(), "게시글 업로드 성공!", Toast.LENGTH_SHORT).show()
        
        // 이미지가 있을 경우에만 ImageUpload 호출
        if(binding.imageArea.drawable != null) {
            ImageUpload(key)
        }
    }