안드로이드 웹뷰 기능 제작중
package com.sihwawon.android import android.R.attr import android.R.attr.* import android.annotation.SuppressLint import android.app.AlertDialog import android.app.Dialog import android.content.DialogInterface import android.content.Intent import android.graphics.Bitmap import android.net.Uri import android.net.http.SslError import android.os.Build import android.os.Bundle import android.os.Environment import android.os.Message import android.provider.MediaStore import android.util.Log import android.view.View import android.view.ViewGroup import android.webkit.* import android.widget.ProgressBar import androidx.appcompat.app.AppCompatActivity import java.io.File import java.util.* import java.util.UUID import android.widget.Toast import android.view.Gravity import android.webkit.WebView import android.webkit.WebViewClient import androidx.swiperefreshlayout.widget.SwipeRefreshLayout import android.webkit.ValueCallback import java.io.IOException import java.text.SimpleDateFormat import android.app.Activity import android.content.Intent.ACTION_VIEW import android.content.res.Configuration import android.text.TextUtils import android.webkit.WebChromeClient import android.os.Parcelable import androidx.core.content.FileProvider import android.webkit.WebChromeClient.FileChooserParams import androidx.annotation.RequiresApi import android.print.PrintAttributes import android.print.PrintManager import android.view.KeyEvent import kotlin.time.days class MainActivity : AppCompatActivity() { private lateinit var mWebView: WebView private var pWebView: WebView? = null private lateinit var mProgressBar: ProgressBar private var thisUrl: String? = null private var barcode: String? = "" private var popup: Boolean? =…