小编sup*_*how的帖子

我使用registerForActivityResult就像：

package com.example.livedata

import android.Manifest
import android.app.Activity
import android.app.AlertDialog
import android.app.Dialog
import android.content.ActivityNotFoundException
import android.content.Intent
import android.graphics.Bitmap
import android.net.Uri
import android.os.Bundle
import android.provider.Settings
import android.view.View
import android.widget.Toast
import androidx.activity.result.contract.ActivityResultContracts
import androidx.appcompat.app.AppCompatActivity
import com.example.livedata.databinding.ActivityAddBinding
import com.example.livedata.databinding.DialogCustomImageSelectionBinding


class AddActivity : AppCompatActivity(), View.OnClickListener {
    private lateinit var binding: ActivityAddBinding

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding = ActivityAddBinding.inflate(layoutInflater)
        setContentView(binding.root)
        setupActionBar()

        binding.photoAdd.setOnClickListener(this)
    }

    private fun setupActionBar() {
        setSupportActionBar(binding.toolbar)
        supportActionBar?.setDisplayHomeAsUpEnabled(true)
        binding.toolbar.setNavigationOnClickListener { onBackPressed() }
    }

    override fun onClick(v: View?) {
        if (v != …