app/src/main/java/com/stoutner/privacycell/activities/PrivacyCell.kt

   1 /*
   2  * Copyright © 2021 Soren Stoutner <soren@stoutner.com>.
   3  *
   4  * This file is part of Privacy Cell <https://www.stoutner.com/privacy-cell>.
   5  *
   6  * Privacy Cell is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * Privacy Cell is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with Privacy Cell.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 package com.stoutner.privacycell.activities
  21
  22 import android.Manifest
  23 import android.content.Context
  24 import android.content.Intent
  25 import android.content.pm.PackageManager
  26 import android.net.Uri
  27 import android.os.Bundle
  28 import android.telephony.PhoneStateListener
  29 import android.telephony.ServiceState
  30 import android.telephony.TelephonyDisplayInfo
  31 import android.telephony.TelephonyManager
  32 import android.view.MenuItem
  33 import android.view.View
  34 import android.widget.ImageView
  35 import android.widget.LinearLayout
  36 import android.widget.TextView
  37
  38 import androidx.appcompat.app.ActionBar
  39 import androidx.appcompat.app.ActionBarDrawerToggle
  40 import androidx.appcompat.app.AppCompatActivity
  41 import androidx.appcompat.content.res.AppCompatResources
  42 import androidx.appcompat.widget.Toolbar
  43 import androidx.core.app.ActivityCompat
  44 import androidx.core.view.GravityCompat
  45 import androidx.drawerlayout.widget.DrawerLayout
  46
  47 import com.google.android.material.navigation.NavigationView
  48
  49 import com.stoutner.privacycell.R
  50 import com.stoutner.privacycell.dialogs.PhonePermissionDialog
  51 import com.stoutner.privacycell.dialogs.WebViewDialog
  52
  53 class PrivacyCell : AppCompatActivity(), NavigationView.OnNavigationItemSelectedListener, PhonePermissionDialog.StoragePermissionDialogListener {
  54     // Declare the class variables.
  55     private lateinit var context: Context
  56     private lateinit var telephonyManager: TelephonyManager
  57     private lateinit var actionBarDrawerToggle: ActionBarDrawerToggle
  58
  59     // Declare the views.
  60     private lateinit var drawerLayout: DrawerLayout
  61     private lateinit var stingrayLinearLayout: LinearLayout
  62     private lateinit var stingrayImageView: ImageView
  63     private lateinit var stingrayTextView: TextView
  64     private lateinit var voiceNetworkLinearLayout: LinearLayout
  65     private lateinit var voiceNetworkTextView: TextView
  66     private lateinit var voiceNetworkDetailsTextView: TextView
  67     private lateinit var dataNetworkLinearLayout: LinearLayout
  68     private lateinit var dataNetworkTextView: TextView
  69     private lateinit var dataNetworkDetailsTextView: TextView
  70     private lateinit var additionalNetworkInfoLinearLayout: LinearLayout
  71     private lateinit var additionalNetworkInfoTextView: TextView
  72     private lateinit var additionalNetworkInfoDetailsTextView: TextView
  73
  74     override fun onCreate(savedInstanceState: Bundle?) {
  75         // Run the default commands.
  76         super.onCreate(savedInstanceState)
  77
  78         // Set the content view.
  79         setContentView(R.layout.privacy_cell_drawerlayout)
  80
  81         // Get handles for the views.
  82         drawerLayout = findViewById(R.id.drawerlayout)
  83         val toolbar = findViewById<Toolbar>(R.id.toolbar)
  84         stingrayLinearLayout = findViewById(R.id.stingray_linearlayout)
  85         stingrayImageView = findViewById(R.id.stingray_imageview)
  86         stingrayTextView = findViewById(R.id.stingray_textview)
  87         voiceNetworkLinearLayout = findViewById(R.id.voice_network_linearlayout)
  88         voiceNetworkTextView = findViewById(R.id.voice_network)
  89         voiceNetworkDetailsTextView = findViewById(R.id.voice_network_details)
  90         dataNetworkLinearLayout = findViewById(R.id.data_network_linearlayout)
  91         dataNetworkTextView = findViewById(R.id.data_network)
  92         dataNetworkDetailsTextView = findViewById(R.id.data_network_details)
  93         additionalNetworkInfoLinearLayout = findViewById(R.id.additional_network_info_linearlayout)
  94         additionalNetworkInfoTextView = findViewById(R.id.additional_network_info)
  95         additionalNetworkInfoDetailsTextView = findViewById(R.id.additional_network_info_details)
  96         val navigationView = findViewById<NavigationView>(R.id.navigationview)
  97
  98         // Get handles for the context and the telephony manager.
  99         context = this
 100         telephonyManager = getSystemService(Context.TELEPHONY_SERVICE) as TelephonyManager
 101
 102         // Set the support action bar.
 103         setSupportActionBar(toolbar)
 104
 105         // Get a handle for the action bar.
 106         val actionBar = supportActionBar!!
 107
 108         // Set a custom view on the action bar.
 109         actionBar.setCustomView(R.layout.app_bar_textview)
 110
 111         // Display the custom view.
 112         actionBar.displayOptions = ActionBar.DISPLAY_SHOW_CUSTOM
 113
 114         // Define a hamburger icon at the start of the app bar.  It will be populated in `onPostCreate()`.
 115         actionBarDrawerToggle = ActionBarDrawerToggle(this, drawerLayout, toolbar, R.string.open_navigation_drawer, R.string.close_navigation_drawer)
 116
 117         // Listen for touches on the navigation menu.
 118         navigationView.setNavigationItemSelectedListener(this)
 119
 120         // Add a drawer listener.
 121         drawerLayout.addDrawerListener(object : DrawerLayout.DrawerListener {
 122             override fun onDrawerSlide(drawerView: View, slideOffset: Float) {
 123                 // Do nothing.
 124             }
 125
 126             override fun onDrawerOpened(drawerView: View) {
 127                 // Do nothing.
 128             }
 129
 130             override fun onDrawerClosed(drawerView: View) {
 131                 // Reset the drawer icon when the drawer is closed.  Otherwise, it is an arrow if the drawer is open when the app is restarted.
 132                 actionBarDrawerToggle.syncState()
 133             }
 134
 135             override fun onDrawerStateChanged(newState: Int) {
 136                 // Do nothing.
 137             }
 138         })
 139     }
 140
 141     override fun onPostCreate(savedInstanceState: Bundle?) {
 142         // Run the default commands.
 143         super.onPostCreate(savedInstanceState)
 144
 145         // Sync the state of the DrawerToggle after the default `onRestoreInstanceState()` has finished.  This creates the navigation drawer icon.
 146         actionBarDrawerToggle.syncState()
 147     }
 148
 149     override fun onResume() {
 150         // Run the default commands.
 151         super.onResume()
 152
 153         // Check to see if the read phone state permission has been granted.  These commands need to be run on every resume so that the listener gets reassigned as it is automatically paused.
 154         if (ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_PHONE_STATE) == PackageManager.PERMISSION_GRANTED) {  // The storage permission has been granted.
 155             // Populate Privacy Cell.
 156             populatePrivacyCell()
 157         } else {  // The phone permission has not been granted.
 158             // Check if the user has previously denied the storage permission.
 159             if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.READ_PHONE_STATE)) {  // Show a dialog explaining the request first.
 160                 // Check to see if a phone permission dialog is already displayed.  This happens if the app is restarted when the dialog is shown.
 161                 if (supportFragmentManager.findFragmentByTag(getString(R.string.phone_permission)) == null) {  // No dialog is currently shown.
 162                     // Instantiate the phone permission dialog fragment.
 163                     val phonePermissionDialogFragment = PhonePermissionDialog()
 164
 165                     // Show the phone permission alert dialog.  The permission will be requested when the dialog is closed.
 166                     phonePermissionDialogFragment.show(supportFragmentManager, getString(R.string.phone_permission))
 167                 }
 168             } else {  // Show the permission request directly.
 169                 // Request the read phone state permission.  There is only one permission request in the app, so it has a request code of 0.
 170                 ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.READ_PHONE_STATE), 0)
 171             }
 172         }
 173     }
 174
 175     override fun onNavigationItemSelected(menuItem: MenuItem) : Boolean {
 176         // Run the commands that correspond to the selected menu item.
 177         when (menuItem.itemId) {
 178             R.id.permissions -> {  // Permissions.
 179                 // Instantiate the permissions dialog fragment.
 180                 val permissionsDialogFragment = WebViewDialog().type(WebViewDialog.PERMISSIONS)
 181
 182                 // Show the alert dialog.
 183                 permissionsDialogFragment.show(supportFragmentManager, getString(R.string.permissions))
 184             }
 185
 186             R.id.privacy_policy -> {  // Privacy Policy.
 187                 // Instantiate the privacy policy dialog fragment.
 188                 val privacyPolicyDialogFragment = WebViewDialog().type(WebViewDialog.PRIVACY_POLICY)
 189
 190                 // Show the alert dialog.
 191                 privacyPolicyDialogFragment.show(supportFragmentManager, getString(R.string.privacy_policy))
 192             }
 193
 194             R.id.changelog -> {  // Changelog.
 195                 // Instantiate the changelog dialog fragment.
 196                 val changelogDialogFragment = WebViewDialog().type(WebViewDialog.CHANGELOG)
 197
 198                 // Show the alert dialog.
 199                 changelogDialogFragment.show(supportFragmentManager, getString(R.string.changelog))
 200             }
 201
 202             R.id.licenses -> {  // Licenses.
 203                 // Instantiate the licenses dialog fragment.
 204                 val licensesDialogFragment = WebViewDialog().type(WebViewDialog.LICENSES)
 205
 206                 // Show the alert dialog.
 207                 licensesDialogFragment.show(supportFragmentManager, getString(R.string.licenses))
 208             }
 209
 210             R.id.contributors -> {  // Contributors.
 211                 // Instantiate the contributors dialog fragment.
 212                 val contributorsDialogFragment = WebViewDialog().type(WebViewDialog.CONTRIBUTORS)
 213
 214                 // Show the alert dialog.
 215                 contributorsDialogFragment.show(supportFragmentManager, getString(R.string.contributors))
 216             }
 217
 218             R.id.news -> {  // News.
 219                 // Create a news URL intent.
 220                 val newsUrlIntent = Intent(Intent.ACTION_VIEW)
 221
 222                 // Add the URL to the intent.
 223                 newsUrlIntent.data = Uri.parse("https://www.stoutner.com/category/privacy-cell/")
 224
 225                 // Make it so.
 226                 startActivity(newsUrlIntent)
 227             }
 228
 229             R.id.roadmap -> {  // Roadmap.
 230                 // Create a roadmap URL intent.
 231                 val roadmapUrlIntent = Intent(Intent.ACTION_VIEW)
 232
 233                 // Add the URL to the intent.
 234                 roadmapUrlIntent.data = Uri.parse("https://www.stoutner.com/category/privacy-cell-roadmap/")
 235
 236                 // Make it so.
 237                 startActivity(roadmapUrlIntent)
 238             }
 239
 240             R.id.bug_tracker -> {  // Bug tracker.
 241                 // Create a bug tracker URL intent.
 242                 val bugTrackerUrlIntent = Intent(Intent.ACTION_VIEW)
 243
 244                 // Add the URL to the intent.
 245                 bugTrackerUrlIntent.data = Uri.parse("https://redmine.stoutner.com/projects/privacy-cell/issues")
 246
 247                 // Make it so.
 248                 startActivity(bugTrackerUrlIntent)
 249             }
 250
 251             R.id.forum -> {  // Forum.
 252                 // Create a forum URL intent.
 253                 val forumUrlIntent = Intent(Intent.ACTION_VIEW)
 254
 255                 // Add the URL to the intent.
 256                 forumUrlIntent.data = Uri.parse("https://redmine.stoutner.com/projects/privacy-cell/boards")
 257
 258                 // Make it so.
 259                 startActivity(forumUrlIntent)
 260             }
 261
 262             R.id.donations -> {  // Donations.
 263                 // Create a donations URL intent.
 264                 val donationsUrlIntent = Intent(Intent.ACTION_VIEW)
 265
 266                 // Add the URL to the intent.
 267                 donationsUrlIntent.data = Uri.parse("https://www.stoutner.com/donations/")
 268
 269                 // Make it so.
 270                 startActivity(donationsUrlIntent)
 271             }
 272         }
 273
 274         // Close the navigation drawer.
 275         drawerLayout.closeDrawer(GravityCompat.START)
 276
 277         // Consume the click.
 278         return true
 279     }
 280
 281     override fun onCloseStoragePermissionDialog() {
 282         // Request the read phone state permission.  There is only one permission request in the app, so it has a request code of 0.
 283         ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.READ_PHONE_STATE), 0)
 284     }
 285
 286     override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
 287         // Run the default commands.
 288         super.onRequestPermissionsResult(requestCode, permissions, grantResults)
 289
 290         //Only process the results if they exist (this method is triggered when a dialog is presented the first time for an app, but no grant results are included).
 291         if (grantResults.isNotEmpty()) {
 292             // Check to see if the read phone state permission was granted.  If the dialog was canceled the grant results will be empty.
 293             if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {  // The read phone state permission was granted.
 294                 // Populate Privacy Cell.
 295                 populatePrivacyCell()
 296             } else {  // The read phone state permission was denied.
 297                 // Display the phone permission text on the main activity.
 298                 stingrayTextView.text = getString(R.string.phone_permission_text)
 299             }
 300         }
 301     }
 302
 303     private fun populatePrivacyCell() {
 304         // Listen to changes in the cell network state.
 305         telephonyManager.listen(object : PhoneStateListener() {
 306             override fun onDisplayInfoChanged(telephonyDisplayInfo: TelephonyDisplayInfo) {
 307                 // Populate the stingray security information.  <https://source.android.com/devices/tech/connect/acts-5g-testing>
 308                 if (telephonyDisplayInfo.networkType == TelephonyManager.NETWORK_TYPE_NR) {  // This is a secure 5G NR SA network.
 309                     // Populate the image view.
 310                     stingrayImageView.setImageDrawable(AppCompatResources.getDrawable(context, R.drawable.secure_5g_nr_sa))
 311
 312                     // Set the text.
 313                     stingrayTextView.text = getString(R.string.secure_from_stingray)
 314
 315                     // Set the text color.
 316                     stingrayTextView.setTextColor(getColor(R.color.blue_text))
 317                 } else {  // This is not a secure 5G NR SA network.
 318                     // Populate the image view.
 319                     stingrayImageView.setImageDrawable(AppCompatResources.getDrawable(context, R.drawable.not_secure))
 320
 321                     // Set the text.
 322                     stingrayTextView.text = getString(R.string.not_secure_from_stingray)
 323
 324                     // Set the text color.
 325                     stingrayTextView.setTextColor(getColor(R.color.red_text))
 326                 }
 327
 328                 // Get the strings that correspond to the network information.
 329                 val dataNetworkType = getNetworkType(telephonyDisplayInfo.networkType)
 330                 val additionalNetworkInfo = getAdditionalNetworkInfo(telephonyDisplayInfo.overrideNetworkType)
 331
 332                 // Populate the data network text views.
 333                 dataNetworkTextView.text = getString(R.string.data_network, dataNetworkType[0])
 334                 dataNetworkDetailsTextView.text = dataNetworkType[1]
 335                 additionalNetworkInfoTextView.text = getString(R.string.additional_network_info, additionalNetworkInfo[0])
 336                 additionalNetworkInfoDetailsTextView.text = additionalNetworkInfo[1]
 337
 338                 // Set the stingray click listener.
 339                 stingrayLinearLayout.setOnClickListener {
 340                     // Instantiate the stingray dialog fragment.
 341                     val stingrayDialogFragment = WebViewDialog().type(WebViewDialog.STINGRAY)
 342
 343                     // Show the alert dialog.
 344                     stingrayDialogFragment.show(supportFragmentManager, getString(R.string.stingrays))
 345                 }
 346
 347                 // Set the data network click listener.
 348                 dataNetworkLinearLayout.setOnClickListener {
 349                     // Instantiate the data network dialog fragment according to the network type.
 350                     val dataNetworkDialogFragment = when (telephonyDisplayInfo.networkType) {
 351                         TelephonyManager.NETWORK_TYPE_UNKNOWN -> WebViewDialog().type(WebViewDialog.NETWORK_UNKNOWN)
 352                         TelephonyManager.NETWORK_TYPE_GPRS -> WebViewDialog().type(WebViewDialog.NETWORK_GPRS)
 353                         TelephonyManager.NETWORK_TYPE_EDGE -> WebViewDialog().type(WebViewDialog.NETWORK_EDGE)
 354                         TelephonyManager.NETWORK_TYPE_UMTS -> WebViewDialog().type(WebViewDialog.NETWORK_UMTS)
 355                         TelephonyManager.NETWORK_TYPE_CDMA -> WebViewDialog().type(WebViewDialog.NETWORK_CDMA)
 356                         TelephonyManager.NETWORK_TYPE_EVDO_0 -> WebViewDialog().type(WebViewDialog.NETWORK_EVDO_0)
 357                         TelephonyManager.NETWORK_TYPE_EVDO_A -> WebViewDialog().type(WebViewDialog.NETWORK_EVDO_A)
 358                         TelephonyManager.NETWORK_TYPE_1xRTT -> WebViewDialog().type(WebViewDialog.NETWORK_1xRTT)
 359                         TelephonyManager.NETWORK_TYPE_HSDPA -> WebViewDialog().type(WebViewDialog.NETWORK_HSDPA)
 360                         TelephonyManager.NETWORK_TYPE_HSUPA -> WebViewDialog().type(WebViewDialog.NETWORK_HSUPA)
 361                         TelephonyManager.NETWORK_TYPE_HSPA -> WebViewDialog().type(WebViewDialog.NETWORK_HSPA)
 362                         TelephonyManager.NETWORK_TYPE_IDEN -> WebViewDialog().type(WebViewDialog.NETWORK_IDEN)
 363                         TelephonyManager.NETWORK_TYPE_EVDO_B -> WebViewDialog().type(WebViewDialog.NETWORK_EVDO_B)
 364                         TelephonyManager.NETWORK_TYPE_LTE -> WebViewDialog().type(WebViewDialog.NETWORK_LTE)
 365                         TelephonyManager.NETWORK_TYPE_EHRPD -> WebViewDialog().type(WebViewDialog.NETWORK_EHRPD)
 366                         TelephonyManager.NETWORK_TYPE_HSPAP -> WebViewDialog().type(WebViewDialog.NETWORK_HSPAP)
 367                         TelephonyManager.NETWORK_TYPE_GSM -> WebViewDialog().type(WebViewDialog.NETWORK_GSM)
 368                         TelephonyManager.NETWORK_TYPE_TD_SCDMA -> WebViewDialog().type(WebViewDialog.NETWORK_TD_SCDMA)
 369                         TelephonyManager.NETWORK_TYPE_IWLAN -> WebViewDialog().type(WebViewDialog.NETWORK_IWLAN)
 370                         TelephonyManager.NETWORK_TYPE_NR -> WebViewDialog().type(WebViewDialog.NETWORK_NR)
 371                         else -> WebViewDialog().type(WebViewDialog.NETWORK_UNKNOWN)
 372                     }
 373
 374                     // Show the alert dialog.
 375                     dataNetworkDialogFragment.show(supportFragmentManager, getString(R.string.voice_network))
 376                 }
 377
 378                 // Set the additional network info click listener.
 379                 additionalNetworkInfoLinearLayout.setOnClickListener {
 380                     // Instantiate the initial network info dialog fragment according to the network type.
 381                     val additionalNetworkInfoDialogFragment = when (telephonyDisplayInfo.overrideNetworkType) {
 382                         TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_NONE -> WebViewDialog().type(WebViewDialog.OVERRIDE_NETWORK_NONE)
 383                         TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_LTE_CA -> WebViewDialog().type(WebViewDialog.OVERRIDE_NETWORK_LTE_CA)
 384                         TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_LTE_ADVANCED_PRO -> WebViewDialog().type(WebViewDialog.OVERRIDE_NETWORK_LTE_ADVANCED_PRO)
 385                         TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_NR_NSA -> WebViewDialog().type(WebViewDialog.OVERRIDE_NETWORK_NR_NSA)
 386                         TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_NR_NSA_MMWAVE -> WebViewDialog().type(WebViewDialog.OVERRIDE_NETWORK_NR_NSA_MMWAVE)
 387                         else -> WebViewDialog().type(WebViewDialog.OVERRIDE_NETWORK_NR_NSA_MMWAVE)
 388                     }
 389
 390                     // Show the alert dialog.
 391                     additionalNetworkInfoDialogFragment.show(supportFragmentManager, getString(R.string.voice_network))
 392                 }
 393             }
 394
 395             override fun onServiceStateChanged(serviceState: ServiceState) {
 396                 // Get the network registration info for the voice network, which is the second of the three entries (the first appears to be Wi-Fi and the third appears to be the cell data network).
 397                 val networkRegistrationInfo = serviceState.networkRegistrationInfoList[1]
 398
 399                 // Get the voice network type.
 400                 val voiceNetworkType = getNetworkType(networkRegistrationInfo.accessNetworkTechnology)
 401
 402                 // Populate the voice network text views.
 403                 voiceNetworkTextView.text = getString(R.string.voice_network, voiceNetworkType[0])
 404                 voiceNetworkDetailsTextView.text = voiceNetworkType[1]
 405
 406                 // Set the voice network click listener.
 407                 voiceNetworkLinearLayout.setOnClickListener {
 408                     // Instantiate the voice network dialog fragment according to the network type.
 409                     val voiceNetworkDialogFragment = when (networkRegistrationInfo.accessNetworkTechnology) {
 410                         TelephonyManager.NETWORK_TYPE_UNKNOWN -> WebViewDialog().type(WebViewDialog.NETWORK_UNKNOWN)
 411                         TelephonyManager.NETWORK_TYPE_GPRS -> WebViewDialog().type(WebViewDialog.NETWORK_GPRS)
 412                         TelephonyManager.NETWORK_TYPE_EDGE -> WebViewDialog().type(WebViewDialog.NETWORK_EDGE)
 413                         TelephonyManager.NETWORK_TYPE_UMTS -> WebViewDialog().type(WebViewDialog.NETWORK_UMTS)
 414                         TelephonyManager.NETWORK_TYPE_CDMA -> WebViewDialog().type(WebViewDialog.NETWORK_CDMA)
 415                         TelephonyManager.NETWORK_TYPE_EVDO_0 -> WebViewDialog().type(WebViewDialog.NETWORK_EVDO_0)
 416                         TelephonyManager.NETWORK_TYPE_EVDO_A -> WebViewDialog().type(WebViewDialog.NETWORK_EVDO_A)
 417                         TelephonyManager.NETWORK_TYPE_1xRTT -> WebViewDialog().type(WebViewDialog.NETWORK_1xRTT)
 418                         TelephonyManager.NETWORK_TYPE_HSDPA -> WebViewDialog().type(WebViewDialog.NETWORK_HSDPA)
 419                         TelephonyManager.NETWORK_TYPE_HSUPA -> WebViewDialog().type(WebViewDialog.NETWORK_HSUPA)
 420                         TelephonyManager.NETWORK_TYPE_HSPA -> WebViewDialog().type(WebViewDialog.NETWORK_HSPA)
 421                         TelephonyManager.NETWORK_TYPE_IDEN -> WebViewDialog().type(WebViewDialog.NETWORK_IDEN)
 422                         TelephonyManager.NETWORK_TYPE_EVDO_B -> WebViewDialog().type(WebViewDialog.NETWORK_EVDO_B)
 423                         TelephonyManager.NETWORK_TYPE_LTE -> WebViewDialog().type(WebViewDialog.NETWORK_LTE)
 424                         TelephonyManager.NETWORK_TYPE_EHRPD -> WebViewDialog().type(WebViewDialog.NETWORK_EHRPD)
 425                         TelephonyManager.NETWORK_TYPE_HSPAP -> WebViewDialog().type(WebViewDialog.NETWORK_HSPAP)
 426                         TelephonyManager.NETWORK_TYPE_GSM -> WebViewDialog().type(WebViewDialog.NETWORK_GSM)
 427                         TelephonyManager.NETWORK_TYPE_TD_SCDMA -> WebViewDialog().type(WebViewDialog.NETWORK_TD_SCDMA)
 428                         TelephonyManager.NETWORK_TYPE_IWLAN -> WebViewDialog().type(WebViewDialog.NETWORK_IWLAN)
 429                         TelephonyManager.NETWORK_TYPE_NR -> WebViewDialog().type(WebViewDialog.NETWORK_NR)
 430                         else -> WebViewDialog().type(WebViewDialog.NETWORK_UNKNOWN)
 431                     }
 432
 433                     // Show the alert dialog.
 434                     voiceNetworkDialogFragment.show(supportFragmentManager, getString(R.string.voice_network))
 435                 }
 436             }
 437         }, PhoneStateListener.LISTEN_DISPLAY_INFO_CHANGED or PhoneStateListener.LISTEN_SERVICE_STATE)
 438     }
 439
 440     private fun getNetworkType(networkType: Int) : Array<String> {
 441         // Return the string that corresponds to the network type.
 442         return when(networkType) {
 443             TelephonyManager.NETWORK_TYPE_UNKNOWN -> arrayOf(getString(R.string.unknown), "")
 444             TelephonyManager.NETWORK_TYPE_GPRS -> arrayOf(getString(R.string.gprs), getString(R.string.gprs_detail))
 445             TelephonyManager.NETWORK_TYPE_EDGE -> arrayOf(getString(R.string.edge), getString(R.string.edge_detail))
 446             TelephonyManager.NETWORK_TYPE_UMTS -> arrayOf(getString(R.string.umts), getString(R.string.umts_detail))
 447             TelephonyManager.NETWORK_TYPE_CDMA -> arrayOf(getString(R.string.cdma), getString(R.string.cdma_detail))
 448             TelephonyManager.NETWORK_TYPE_EVDO_0 -> arrayOf(getString(R.string.evdo_0), getString(R.string.evdo_0_detail))
 449             TelephonyManager.NETWORK_TYPE_EVDO_A -> arrayOf(getString(R.string.evdo_a), getString(R.string.evdo_a_detail))
 450             TelephonyManager.NETWORK_TYPE_1xRTT -> arrayOf(getString(R.string.rtt), getString(R.string.rtt_detail))
 451             TelephonyManager.NETWORK_TYPE_HSDPA -> arrayOf(getString(R.string.hsdpa), getString(R.string.hsdpa_detail))
 452             TelephonyManager.NETWORK_TYPE_HSUPA -> arrayOf(getString(R.string.hsupa), getString(R.string.hsupa_detail))
 453             TelephonyManager.NETWORK_TYPE_HSPA -> arrayOf(getString(R.string.hspa), getString(R.string.hspa_detail))
 454             TelephonyManager.NETWORK_TYPE_IDEN -> arrayOf(getString(R.string.iden), getString(R.string.iden_detail))
 455             TelephonyManager.NETWORK_TYPE_EVDO_B -> arrayOf(getString(R.string.evdo_b), getString(R.string.evdo_b_detail))
 456             TelephonyManager.NETWORK_TYPE_LTE -> arrayOf(getString(R.string.lte), getString(R.string.lte_detail))
 457             TelephonyManager.NETWORK_TYPE_EHRPD -> arrayOf(getString(R.string.ehrpd), getString(R.string.ehrpd_detail))
 458             TelephonyManager.NETWORK_TYPE_HSPAP -> arrayOf(getString(R.string.hspap), getString(R.string.hspap_detail))
 459             TelephonyManager.NETWORK_TYPE_GSM -> arrayOf(getString(R.string.gsm), getString(R.string.gsm_detail))
 460             TelephonyManager.NETWORK_TYPE_TD_SCDMA -> arrayOf(getString(R.string.td_scdma), getString(R.string.td_scdma_detail))
 461             TelephonyManager.NETWORK_TYPE_IWLAN -> arrayOf(getString(R.string.iwlan), getString(R.string.iwlan_detail))
 462             TelephonyManager.NETWORK_TYPE_NR -> arrayOf(getString(R.string.nr), getString(R.string.nr_detail))
 463             else -> arrayOf(getString(R.string.error), "")
 464         }
 465     }
 466
 467     private fun getAdditionalNetworkInfo(overrideNetworkType: Int) : Array<String> {
 468         // Return the string that corresponds to the override network type.
 469         return when(overrideNetworkType) {
 470             TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_NONE -> arrayOf(getString(R.string.none), "")
 471             TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_LTE_CA -> arrayOf(getString(R.string.lte_ca), getString(R.string.lte_ca_detail))
 472             TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_LTE_ADVANCED_PRO -> arrayOf(getString(R.string.lte_advanced_pro), getString(R.string.lte_advanced_pro_detail))
 473             TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_NR_NSA -> arrayOf(getString(R.string.nr_nsa), getString(R.string.nr_nsa_detail))
 474             TelephonyDisplayInfo.OVERRIDE_NETWORK_TYPE_NR_NSA_MMWAVE -> arrayOf(getString(R.string.nr_nsa_mmwave), getString(R.string.nr_nsa_mmwave_detail))
 475             else -> arrayOf(getString(R.string.error), "")
 476         }
 477     }
 478 }