android 連絡先の呼び出しでシャットダウンしてしまう

発生している問題・エラーメッセージ

連絡先を起動し、リストを選択するとシャットダウンしてしまう
エラーメッセージ不明
ずっと正常に動いてましたが、急に動かなくなってしまいました。
修正箇所のご教授お願いします。

該当のソースコード

kotlin
1ContactPicker.kt
2
3import android.app.Activity
4import android.content.Intent
5import android.database.Cursor
6import android.net.Uri
7import android.os.Bundle
8import android.provider.ContactsContract
9import android.view.LayoutInflater
10import android.view.View
11import android.view.ViewGroup
12import androidx.appcompat.app.AppCompatActivity
13import androidx.fragment.app.Fragment
14
15data class PickedContact(val number: String, val name: String?)
16
17class ContactPicker constructor(private val requestCode: Int = 23) : Fragment() {
18
19    private lateinit var onContactPicked: (PickedContact) -> Unit
20    private lateinit var onFailure: (Throwable) -> Unit
21
22    companion object {
23
24        private const val TAG = "ContactPicker"
25
26        fun create(
27            activity: AppCompatActivity,
28            onContactPicked: (PickedContact) -> Unit,
29            onFailure: (Throwable) -> Unit
30        ): ContactPicker? {
31
32            return try {
33                val picker = ContactPicker()
34                picker.onContactPicked = onContactPicked
35                picker.onFailure = onFailure
36                activity.supportFragmentManager.beginTransaction()
37                    .add(picker, TAG)
38                    .commitNowAllowingStateLoss()
39
40                picker
41            } catch (e: Exception) {
42                onFailure(e)
43                null
44            }
45        }
46    }
47
48    override fun onCreate(savedInstanceState: Bundle?) {
49        super.onCreate(savedInstanceState)
50        retainInstance = true
51    }
52
53    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
54        return null
55    }
56
57    fun pick() {
58        try {
59            Intent().apply {
60                data = ContactsContract.CommonDataKinds.Phone.CONTENT_URI
61                action = Intent.ACTION_PICK
62                startActivityForResult(this, requestCode)
63            }
64        } catch (e: Exception) {
65            onFailure(e)
66        }
67    }
68
69    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
70        super.onActivityResult(requestCode, resultCode, data)
71        if (resultCode == Activity.RESULT_OK) {
72            when (requestCode) {
73                this.requestCode -> {
74                    var cursor: Cursor? = null
75                    try {
76                        cursor = data?.data.let { uri ->
77                            uri as Uri
78                            activity?.contentResolver?.query(uri, null, null, null, null)
79                        }
80                        cursor?.let {
81                            it.moveToFirst()
82                            val phoneNumber =
83                                it.getString(it.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)).replace("-","")
84                            val name =
85                                it.getString(it.getColumnIndex(ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME))
86                            it.close()
87                            onContactPicked(PickedContact(phoneNumber, name))
88                        }
89
90                    } catch (e: Exception) {
91                        onFailure(e)
92                        cursor?.close()
93                    }
94                }
95            }
96        }
97    }
98}
99MainActivity.kt
100    fun setContactPicker(NameText: TextView, NumberText: TextView){
101         val contactPicker: ContactPicker? = ContactPicker.create(
102                activity = this,
103                onContactPicked = {
104                    NameText.text = Editable.Factory.getInstance().newEditable("${it.name}")
105                    NumberText.text = Editable.Factory.getInstance().newEditable("${it.number}")
106                },
107                onFailure = { NameText.text = Editable.Factory.getInstance().newEditable(it.localizedMessage) }
108        )
109        contactPicker?.pick()
110    }
111