android: database export & import (#787)

* android: database export & import wip * fix import * import, delete * disabled during in progress * footer * ChatArchiveView * refactor * disable settings * more chat running interactions * more chat running interactions * fixes * rename * fixes * fix * change ts format * chatWasStopped model variable * remove logs * reset chatWasStopped * chat was stopped preference * fixes * unconditional chatRunning * remove intermediary view * refactor * mkInstantPreference * refactor * refactor * refactor * DatabaseItem * remove todos * refactor * refactor * refactor * translations * translations * refactor import * refactor import
2026-04-25 07:42:15 +00:00 · 2022-07-08 17:16:28 +04:00
parent 7ad173c5dc
commit ba9a6f3ab6
14 changed files with 906 additions and 93 deletions
--- a/apps/android/app/src/main/java/chat/simplex/app/MainActivity.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/MainActivity.kt
@@ -305,7 +305,8 @@ fun MainPage(
          if (chatModel.showCallView.value) ActiveCallView(chatModel)
          else {
            showAdvertiseLAAlert = true
-            if (chatModel.chatId.value == null) ChatListView(chatModel, setPerformLA = { setPerformLA(it) })
+            val stopped = chatModel.chatRunning.value == false
+            if (chatModel.chatId.value == null) ChatListView(chatModel, setPerformLA, stopped)
            else ChatView(chatModel)
          }
        }
--- a/apps/android/app/src/main/java/chat/simplex/app/SimplexApp.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/SimplexApp.kt
@@ -67,7 +67,7 @@ class SimplexApp: Application(), LifecycleEventObserver {
    withApi {
      when (event) {
        Lifecycle.Event.ON_STOP ->
-          if (appPreferences.runServiceInBackground.get()) SimplexService.start(applicationContext)
+          if (appPreferences.runServiceInBackground.get() && chatModel.chatRunning.value != false) SimplexService.start(applicationContext)
        Lifecycle.Event.ON_START ->
          SimplexService.stop(applicationContext)
        Lifecycle.Event.ON_RESUME ->
--- a/apps/android/app/src/main/java/chat/simplex/app/model/ChatModel.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/model/ChatModel.kt
@@ -23,6 +23,8 @@ class ChatModel(val controller: ChatController) {
  val onboardingStage = mutableStateOf<OnboardingStage?>(null)
  val currentUser = mutableStateOf<User?>(null)
  val userCreated = mutableStateOf<Boolean?>(null)
+  val chatRunning = mutableStateOf<Boolean?>(null)
+  val chatDbChanged = mutableStateOf<Boolean>(false)
  val chats = mutableStateListOf<Chat>()
  val chatId = mutableStateOf<String?>(null)
  val chatItems = mutableStateListOf<ChatItem>()
--- a/apps/android/app/src/main/java/chat/simplex/app/model/SimpleXAPI.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/model/SimpleXAPI.kt
@@ -81,6 +81,9 @@ class AppPreferences(val context: Context) {
  val privacyAcceptImages = mkBoolPreference(SHARED_PREFS_PRIVACY_ACCEPT_IMAGES, true)
  val privacyLinkPreviews = mkBoolPreference(SHARED_PREFS_PRIVACY_LINK_PREVIEWS, true)
  val experimentalCalls = mkBoolPreference(SHARED_PREFS_EXPERIMENTAL_CALLS, false)
+  val chatArchiveName = mkStrPreference(SHARED_PREFS_CHAT_ARCHIVE_NAME, null)
+  val chatArchiveTime = mkDatePreference(SHARED_PREFS_CHAT_ARCHIVE_TIME, null)
+  val chatLastStart = mkDatePreference(SHARED_PREFS_CHAT_LAST_START, null)

  private fun mkIntPreference(prefName: String, default: Int) =
    Preference(
@@ -100,6 +103,15 @@ class AppPreferences(val context: Context) {
      set = fun(value) = sharedPreferences.edit().putString(prefName, value).apply()
    )

+  private fun mkDatePreference(prefName: String, default: Instant?): Preference<Instant?> =
+    Preference(
+      get = {
+        val pref = sharedPreferences.getString(prefName, default?.toEpochMilliseconds()?.toString())
+        pref?.let { Instant.fromEpochMilliseconds(pref.toLong()) }
+      },
+      set = fun(value) = sharedPreferences.edit().putString(prefName, value?.toEpochMilliseconds()?.toString()).apply()
+    )
+
  companion object {
    private const val SHARED_PREFS_ID = "chat.simplex.app.SIMPLEX_APP_PREFS"
    private const val SHARED_PREFS_AUTO_RESTART_WORKER_VERSION = "AutoRestartWorkerVersion"
@@ -113,6 +125,9 @@ class AppPreferences(val context: Context) {
    private const val SHARED_PREFS_PRIVACY_ACCEPT_IMAGES = "PrivacyAcceptImages"
    private const val SHARED_PREFS_PRIVACY_LINK_PREVIEWS = "PrivacyLinkPreviews"
    private const val SHARED_PREFS_EXPERIMENTAL_CALLS = "ExperimentalCalls"
+    private const val SHARED_PREFS_CHAT_ARCHIVE_NAME = "ChatArchiveName"
+    private const val SHARED_PREFS_CHAT_ARCHIVE_TIME = "ChatArchiveTime"
+    private const val SHARED_PREFS_CHAT_LAST_START = "ChatLastStart"
  }
 }

@@ -130,12 +145,12 @@ open class ChatController(private val ctrl: ChatCtrl, val ntfManager: NtfManager
  suspend fun startChat(user: User) {
    Log.d(TAG, "user: $user")
    try {
-      val chatStarted = apiStartChat()
+      val justStarted = apiStartChat()
      apiSetFilesFolder(getAppFilesDirectory(appContext))
      chatModel.userAddress.value = apiGetUserAddress()
      chatModel.userSMPServers.value = getUserSMPServers()
      val chats = apiGetChats()
-      if (chatStarted) {
+      if (justStarted) {
        chatModel.chats.clear()
        chatModel.chats.addAll(chats)
      } else {
@@ -144,6 +159,8 @@ open class ChatController(private val ctrl: ChatCtrl, val ntfManager: NtfManager
      chatModel.currentUser.value = user
      chatModel.userCreated.value = true
      chatModel.onboardingStage.value = OnboardingStage.OnboardingComplete
+      chatModel.controller.appPrefs.chatLastStart.set(Clock.System.now())
+      chatModel.chatRunning.value = true
      startReceiver()
      Log.d(TAG, "chat started")
    } catch (e: Error) {
@@ -215,7 +232,7 @@ open class ChatController(private val ctrl: ChatCtrl, val ntfManager: NtfManager
    throw Error("user not created ${r.responseType} ${r.details}")
  }

-  private suspend fun apiStartChat(): Boolean {
+  suspend fun apiStartChat(): Boolean {
    val r = sendCmd(CC.StartChat())
    when (r) {
      is CR.ChatStarted -> return true
@@ -224,12 +241,38 @@ open class ChatController(private val ctrl: ChatCtrl, val ntfManager: NtfManager
    }
  }

+  suspend fun apiStopChat(): Boolean {
+    val r = sendCmd(CC.ApiStopChat())
+    when (r) {
+      is CR.ChatStopped -> return true
+      else -> throw Error("failed stopping chat: ${r.responseType} ${r.details}")
+    }
+  }
+
  private suspend fun apiSetFilesFolder(filesFolder: String) {
    val r = sendCmd(CC.SetFilesFolder(filesFolder))
    if (r is CR.CmdOk) return
    throw Error("failed to set files folder: ${r.responseType} ${r.details}")
  }

+  suspend fun apiExportArchive(config: ArchiveConfig) {
+    val r = sendCmd(CC.ApiExportArchive(config))
+    if (r is CR.CmdOk) return
+    throw Error("failed to export archive: ${r.responseType} ${r.details}")
+  }
+
+  suspend fun apiImportArchive(config: ArchiveConfig) {
+    val r = sendCmd(CC.ApiImportArchive(config))
+    if (r is CR.CmdOk) return
+    throw Error("failed to import archive: ${r.responseType} ${r.details}")
+  }
+
+  suspend fun apiDeleteStorage() {
+    val r = sendCmd(CC.ApiDeleteStorage())
+    if (r is CR.CmdOk) return
+    throw Error("failed to delete storage: ${r.responseType} ${r.details}")
+  }
+
  private suspend fun apiGetChats(): List<Chat> {
    val r = sendCmd(CC.ApiGetChats())
    if (r is CR.ApiChats ) return r.chats
@@ -844,7 +887,11 @@ sealed class CC {
  class ShowActiveUser: CC()
  class CreateActiveUser(val profile: Profile): CC()
  class StartChat: CC()
+  class ApiStopChat: CC()
  class SetFilesFolder(val filesFolder: String): CC()
+  class ApiExportArchive(val config: ArchiveConfig): CC()
+  class ApiImportArchive(val config: ArchiveConfig): CC()
+  class ApiDeleteStorage: CC()
  class ApiGetChats: CC()
  class ApiGetChat(val type: ChatType, val id: Long): CC()
  class ApiSendMessage(val type: ChatType, val id: Long, val file: String?, val quotedItemId: Long?, val mc: MsgContent): CC()
@@ -878,7 +925,11 @@ sealed class CC {
    is ShowActiveUser -> "/u"
    is CreateActiveUser -> "/u ${profile.displayName} ${profile.fullName}"
    is StartChat -> "/_start"
+    is ApiStopChat -> "/_stop"
    is SetFilesFolder -> "/_files_folder $filesFolder"
+    is ApiExportArchive -> "/_db export ${json.encodeToString(config)}"
+    is ApiImportArchive -> "/_db import ${json.encodeToString(config)}"
+    is ApiDeleteStorage -> "/_db delete"
    is ApiGetChats -> "/_get chats pcc=on"
    is ApiGetChat -> "/_get chat ${chatRef(type, id)} count=100"
    is ApiSendMessage -> "/_send ${chatRef(type, id)} json ${json.encodeToString(ComposedMessage(file, quotedItemId, mc))}"
@@ -913,7 +964,11 @@ sealed class CC {
    is ShowActiveUser -> "showActiveUser"
    is CreateActiveUser -> "createActiveUser"
    is StartChat -> "startChat"
+    is ApiStopChat -> "apiStopChat"
    is SetFilesFolder -> "setFilesFolder"
+    is ApiExportArchive -> "apiExportArchive"
+    is ApiImportArchive -> "apiImportArchive"
+    is ApiDeleteStorage -> "apiDeleteStorage"
    is ApiGetChats -> "apiGetChats"
    is ApiGetChat -> "apiGetChat"
    is ApiSendMessage -> "apiSendMessage"
@@ -955,6 +1010,9 @@ sealed class CC {
@Serializable
 class ComposedMessage(val filePath: String?, val quotedItemId: Long?, val msgContent: MsgContent)

+@Serializable
+class ArchiveConfig(val archivePath: String, val disableCompression: Boolean? = null, val parentTempDirectory: String? = null)
+
 val json = Json {
  prettyPrint = true
  ignoreUnknownKeys = true
@@ -988,6 +1046,7 @@ sealed class CR {
  @Serializable @SerialName("activeUser") class ActiveUser(val user: User): CR()
  @Serializable @SerialName("chatStarted") class ChatStarted: CR()
  @Serializable @SerialName("chatRunning") class ChatRunning: CR()
+  @Serializable @SerialName("chatStopped") class ChatStopped: CR()
  @Serializable @SerialName("apiChats") class ApiChats(val chats: List<Chat>): CR()
  @Serializable @SerialName("apiChat") class ApiChat(val chat: Chat): CR()
  @Serializable @SerialName("userSMPServers") class UserSMPServers(val smpServers: List<String>): CR()
@@ -1046,6 +1105,7 @@ sealed class CR {
    is ActiveUser -> "activeUser"
    is ChatStarted -> "chatStarted"
    is ChatRunning -> "chatRunning"
+    is ChatStopped -> "chatStopped"
    is ApiChats -> "apiChats"
    is ApiChat -> "apiChat"
    is UserSMPServers -> "userSMPServers"
@@ -1105,6 +1165,7 @@ sealed class CR {
    is ActiveUser -> json.encodeToString(user)
    is ChatStarted -> noDetails()
    is ChatRunning -> noDetails()
+    is ChatStopped -> noDetails()
    is ApiChats -> json.encodeToString(chats)
    is ApiChat -> json.encodeToString(chat)
    is UserSMPServers -> json.encodeToString(smpServers)
--- a/apps/android/app/src/main/java/chat/simplex/app/views/chatlist/ChatListNavLinkView.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/views/chatlist/ChatListNavLinkView.kt
@@ -1,6 +1,7 @@
 package chat.simplex.app.views.chatlist

 import android.content.res.Configuration
+import androidx.compose.foundation.clickable
 import androidx.compose.foundation.combinedClickable
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.*
@@ -28,6 +29,7 @@ import kotlinx.datetime.Clock
 fun ChatListNavLinkView(chat: Chat, chatModel: ChatModel) {
  val showMenu = remember { mutableStateOf(false) }
  var showMarkRead by remember { mutableStateOf(false) }
+  val stopped = chatModel.chatRunning.value == false
  LaunchedEffect(chat.id, chat.chatStats.unreadCount > 0) {
    showMenu.value = false
    delay(500L)
@@ -36,31 +38,35 @@ fun ChatListNavLinkView(chat: Chat, chatModel: ChatModel) {
  when (chat.chatInfo) {
    is ChatInfo.Direct ->
      ChatListNavLinkLayout(
-        chatLinkPreview = { ChatPreviewView(chat) },
+        chatLinkPreview = { ChatPreviewView(chat, stopped) },
        click = { openOrPendingChat(chat.chatInfo, chatModel) },
        dropdownMenuItems = { ContactMenuItems(chat, chatModel, showMenu, showMarkRead) },
-        showMenu
+        showMenu,
+        stopped
      )
    is ChatInfo.Group ->
      ChatListNavLinkLayout(
-        chatLinkPreview = { ChatPreviewView(chat) },
+        chatLinkPreview = { ChatPreviewView(chat, stopped) },
        click = { openOrPendingChat(chat.chatInfo, chatModel) },
        dropdownMenuItems = { GroupMenuItems(chat, chatModel, showMenu, showMarkRead) },
-        showMenu
+        showMenu,
+        stopped
      )
    is ChatInfo.ContactRequest ->
      ChatListNavLinkLayout(
        chatLinkPreview = { ContactRequestView(chat.chatInfo) },
        click = { contactRequestAlertDialog(chat.chatInfo, chatModel) },
        dropdownMenuItems = { ContactRequestMenuItems(chat.chatInfo, chatModel, showMenu) },
-        showMenu
+        showMenu,
+        stopped
      )
    is ChatInfo.ContactConnection ->
      ChatListNavLinkLayout(
        chatLinkPreview = { ContactConnectionView(chat.chatInfo.contactConnection) },
        click = { contactConnectionAlertDialog(chat.chatInfo.contactConnection, chatModel) },
        dropdownMenuItems = { ContactConnectionMenuItems(chat.chatInfo, chatModel, showMenu) },
-        showMenu
+        showMenu,
+        stopped
      )
  }
 }
@@ -286,17 +292,12 @@ fun ChatListNavLinkLayout(
  chatLinkPreview: @Composable () -> Unit,
  click: () -> Unit,
  dropdownMenuItems: (@Composable () -> Unit)?,
-  showMenu: MutableState<Boolean>
+  showMenu: MutableState<Boolean>,
+  stopped: Boolean
 ) {
-  Surface(
-    modifier = Modifier
-      .fillMaxWidth()
-      .combinedClickable(
-        onClick = click,
-        onLongClick = { showMenu.value = true }
-      )
-      .height(88.dp)
-  ) {
+  var modifier = Modifier.fillMaxWidth().height(88.dp)
+  if (!stopped) modifier = modifier.combinedClickable(onClick = click, onLongClick = { showMenu.value = true })
+  Surface(modifier) {
    Row(
      modifier = Modifier
        .fillMaxWidth()
@@ -345,12 +346,14 @@ fun PreviewChatListNavLinkDirect() {
              )
            ),
            chatStats = Chat.ChatStats()
-          )
+          ),
+          stopped = false
        )
      },
      click = {},
      dropdownMenuItems = null,
-      showMenu = remember { mutableStateOf(false) }
+      showMenu = remember { mutableStateOf(false) },
+      stopped = false
    )
  }
 }
@@ -378,12 +381,14 @@ fun PreviewChatListNavLinkGroup() {
              )
            ),
            chatStats = Chat.ChatStats()
-          )
+          ),
+          stopped = false
        )
      },
      click = {},
      dropdownMenuItems = null,
-      showMenu = remember { mutableStateOf(false) }
+      showMenu = remember { mutableStateOf(false) },
+      stopped = false
    )
  }
 }
@@ -403,7 +408,8 @@ fun PreviewChatListNavLinkContactRequest() {
      },
      click = {},
      dropdownMenuItems = null,
-      showMenu = remember { mutableStateOf(false) }
+      showMenu = remember { mutableStateOf(false) },
+      stopped = false
    )
  }
 }
--- a/apps/android/app/src/main/java/chat/simplex/app/views/chatlist/ChatListView.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/views/chatlist/ChatListView.kt
@@ -7,6 +7,7 @@ import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.*
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Report
 import androidx.compose.material.icons.outlined.Menu
 import androidx.compose.material.icons.outlined.PersonAdd
 import androidx.compose.runtime.*
@@ -20,6 +21,8 @@ import chat.simplex.app.R
 import chat.simplex.app.model.ChatModel
 import chat.simplex.app.ui.theme.ToolbarDark
 import chat.simplex.app.ui.theme.ToolbarLight
+import chat.simplex.app.views.helpers.AlertManager
+import chat.simplex.app.views.helpers.generalGetString
 import chat.simplex.app.views.newchat.NewChatSheet
 import chat.simplex.app.views.onboarding.MakeConnection
 import chat.simplex.app.views.usersettings.SettingsView
@@ -64,7 +67,7 @@ fun scaffoldController(): ScaffoldController {
 }

@Composable
-fun ChatListView(chatModel: ChatModel, setPerformLA: (Boolean) -> Unit) {
+fun ChatListView(chatModel: ChatModel, setPerformLA: (Boolean) -> Unit, stopped: Boolean) {
  val scaffoldCtrl = scaffoldController()
  LaunchedEffect(chatModel.clearOverlays.value) {
    if (chatModel.clearOverlays.value && scaffoldCtrl.expanded.value) scaffoldCtrl.collapse()
@@ -82,7 +85,7 @@ fun ChatListView(chatModel: ChatModel, setPerformLA: (Boolean) -> Unit) {
          .fillMaxSize()
          .background(MaterialTheme.colors.background)
      ) {
-        ChatListToolbar(scaffoldCtrl)
+        ChatListToolbar(scaffoldCtrl, stopped)
        Divider()
        if (chatModel.chats.isNotEmpty()) {
          ChatList(chatModel)
@@ -103,7 +106,7 @@ fun ChatListView(chatModel: ChatModel, setPerformLA: (Boolean) -> Unit) {
 }

@Composable
-fun ChatListToolbar(scaffoldCtrl: ScaffoldController) {
+fun ChatListToolbar(scaffoldCtrl: ScaffoldController, stopped: Boolean) {
  Row(
    horizontalArrangement = Arrangement.SpaceBetween,
    verticalAlignment = Alignment.CenterVertically,
@@ -127,13 +130,24 @@ fun ChatListToolbar(scaffoldCtrl: ScaffoldController) {
      fontWeight = FontWeight.SemiBold,
      modifier = Modifier.padding(5.dp)
    )
-    IconButton(onClick = { scaffoldCtrl.toggleSheet() }) {
-      Icon(
-        Icons.Outlined.PersonAdd,
-        stringResource(R.string.add_contact),
-        tint = MaterialTheme.colors.primary,
-        modifier = Modifier.padding(10.dp)
-      )
+    if (!stopped) {
+      IconButton(onClick = { scaffoldCtrl.toggleSheet() }) {
+        Icon(
+          Icons.Outlined.PersonAdd,
+          stringResource(R.string.add_contact),
+          tint = MaterialTheme.colors.primary,
+          modifier = Modifier.padding(10.dp)
+        )
+      }
+    } else {
+      IconButton(onClick = { AlertManager.shared.showAlertMsg(generalGetString(R.string.chat_is_stopped_indication), generalGetString(R.string.you_can_start_chat_via_setting_or_by_restarting_the_app)) }) {
+        Icon(
+          Icons.Filled.Report,
+          generalGetString(R.string.chat_is_stopped_indication),
+          tint = Color.Red,
+          modifier = Modifier.padding(10.dp)
+        )
+      }
    }
  }
 }
--- a/apps/android/app/src/main/java/chat/simplex/app/views/chatlist/ChatPreviewView.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/views/chatlist/ChatPreviewView.kt
@@ -26,7 +26,7 @@ import chat.simplex.app.views.helpers.ChatInfoImage
 import chat.simplex.app.views.helpers.badgeLayout

@Composable
-fun ChatPreviewView(chat: Chat) {
+fun ChatPreviewView(chat: Chat, stopped: Boolean) {
  Row {
    val cInfo = chat.chatInfo
    ChatInfoImage(cInfo, size = 72.dp)
@@ -80,7 +80,7 @@ fun ChatPreviewView(chat: Chat) {
            color = MaterialTheme.colors.onPrimary,
            fontSize = 11.sp,
            modifier = Modifier
-              .background(MaterialTheme.colors.primary, shape = CircleShape)
+              .background(if (stopped) HighOrLowlight else MaterialTheme.colors.primary, shape = CircleShape)
              .badgeLayout()
              .padding(horizontal = 3.dp)
              .padding(vertical = 1.dp)
@@ -131,6 +131,6 @@ fun ChatStatusImage(chat: Chat) {
@Composable
 fun PreviewChatPreviewView() {
  SimpleXTheme {
-    ChatPreviewView(Chat.sampleData)
+    ChatPreviewView(Chat.sampleData, stopped = false)
  }
 }
--- a/apps/android/app/src/main/java/chat/simplex/app/views/database/ChatArchiveView.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/views/database/ChatArchiveView.kt
@@ -0,0 +1,145 @@
+package chat.simplex.app.views.database
+
+import android.content.Context
+import android.content.res.Configuration
+import android.net.Uri
+import android.util.Log
+import android.widget.Toast
+import androidx.activity.compose.ManagedActivityResultLauncher
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import chat.simplex.app.R
+import chat.simplex.app.TAG
+import chat.simplex.app.model.ChatModel
+import chat.simplex.app.ui.theme.SimpleXTheme
+import chat.simplex.app.views.helpers.*
+import chat.simplex.app.views.usersettings.SettingsActionItem
+import chat.simplex.app.views.usersettings.SettingsSectionView
+import kotlinx.datetime.*
+import java.io.BufferedOutputStream
+import java.io.File
+import java.text.SimpleDateFormat
+import java.util.*
+
+@Composable
+fun ChatArchiveView(m: ChatModel, title: String, archiveName: String, archiveTime: Instant) {
+  val context = LocalContext.current
+  val archivePath = "${getFilesDirectory(context)}/$archiveName"
+  val saveArchiveLauncher = rememberSaveArchiveLauncher(cxt = context, archivePath)
+  ChatArchiveLayout(
+    title,
+    archiveTime,
+    saveArchive = { saveArchiveLauncher.launch(archivePath.substringAfterLast("/")) },
+    deleteArchiveAlert = { deleteArchiveAlert(m, archivePath) }
+  )
+}
+
+@Composable
+fun ChatArchiveLayout(
+  title: String,
+  archiveTime: Instant,
+  saveArchive: () -> Unit,
+  deleteArchiveAlert: () -> Unit
+) {
+  Column(
+    Modifier.fillMaxWidth(),
+    horizontalAlignment = Alignment.Start,
+  ) {
+    @Composable fun divider() = Divider(Modifier.padding(horizontal = 8.dp))
+    Text(
+      title,
+      Modifier.padding(start = 16.dp, bottom = 24.dp),
+      style = MaterialTheme.typography.h1
+    )
+
+    SettingsSectionView(stringResource(R.string.chat_database_section)) {
+      SettingsActionItem(
+        Icons.Outlined.IosShare,
+        stringResource(R.string.save_archive),
+        saveArchive,
+        textColor = MaterialTheme.colors.primary
+      )
+      divider()
+      SettingsActionItem(
+        Icons.Outlined.Delete,
+        stringResource(R.string.delete_archive),
+        deleteArchiveAlert,
+        textColor = Color.Red
+      )
+    }
+    val archiveTs = SimpleDateFormat("yyyy-MM-dd HH:mm:ss Z", Locale.US).format(Date.from(archiveTime.toJavaInstant()))
+    SettingsSectionFooter(
+      String.format(generalGetString(R.string.archive_created_on_ts), archiveTs)
+    )
+  }
+}
+
+@Composable
+private fun rememberSaveArchiveLauncher(cxt: Context, chatArchivePath: String): ManagedActivityResultLauncher<String, Uri?> =
+  rememberLauncherForActivityResult(
+    contract = ActivityResultContracts.CreateDocument(),
+    onResult = { destination ->
+      try {
+        destination?.let {
+          val contentResolver = cxt.contentResolver
+          contentResolver.openOutputStream(destination)?.let { stream ->
+            val outputStream = BufferedOutputStream(stream)
+            val file = File(chatArchivePath)
+            outputStream.write(file.readBytes())
+            outputStream.close()
+            Toast.makeText(cxt, generalGetString(R.string.file_saved), Toast.LENGTH_SHORT).show()
+          }
+        }
+      } catch (e: Error) {
+        Toast.makeText(cxt, generalGetString(R.string.error_saving_file), Toast.LENGTH_SHORT).show()
+        Log.e(TAG, "rememberSaveArchiveLauncher error saving archive $e")
+      }
+    }
+  )
+
+private fun deleteArchiveAlert(m: ChatModel, archivePath: String) {
+  AlertManager.shared.showAlertDialog(
+    title = generalGetString(R.string.delete_chat_archive_question),
+    confirmText = generalGetString(R.string.delete_verb),
+    onConfirm = {
+      val fileDeleted = File(archivePath).delete()
+      if (fileDeleted) {
+        m.controller.appPrefs.chatArchiveName.set(null)
+        m.controller.appPrefs.chatArchiveTime.set(null)
+        ModalManager.shared.closeModal()
+      } else {
+        Log.e(TAG, "deleteArchiveAlert delete() error")
+      }
+    }
+  )
+}
+
+@Preview(showBackground = true)
+@Preview(
+  uiMode = Configuration.UI_MODE_NIGHT_YES,
+  showBackground = true,
+  name = "Dark Mode"
+)
+@Composable
+fun PreviewChatArchiveLayout() {
+  SimpleXTheme {
+    ChatArchiveLayout(
+      title = "New database archive",
+      archiveTime = Clock.System.now(),
+      saveArchive = {},
+      deleteArchiveAlert = {}
+    )
+  }
+}
--- a/apps/android/app/src/main/java/chat/simplex/app/views/database/DatabaseView.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/views/database/DatabaseView.kt
@@ -0,0 +1,471 @@
+package chat.simplex.app.views.database
+
+import android.content.Context
+import android.content.res.Configuration
+import android.net.Uri
+import android.os.FileUtils
+import android.util.Log
+import android.widget.Toast
+import androidx.activity.compose.ManagedActivityResultLauncher
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.*
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.PlayArrow
+import androidx.compose.material.icons.filled.Report
+import androidx.compose.material.icons.outlined.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import chat.simplex.app.R
+import chat.simplex.app.TAG
+import chat.simplex.app.model.*
+import chat.simplex.app.ui.theme.HighOrLowlight
+import chat.simplex.app.ui.theme.SimpleXTheme
+import chat.simplex.app.views.helpers.*
+import chat.simplex.app.views.usersettings.*
+import kotlinx.datetime.*
+import java.io.*
+import java.text.SimpleDateFormat
+import java.util.*
+
+@Composable
+fun DatabaseView(
+  m: ChatModel,
+  showSettingsModal: (@Composable (ChatModel) -> Unit) -> (() -> Unit)
+) {
+  val context = LocalContext.current
+  val progressIndicator = remember { mutableStateOf(false) }
+  val runChat = remember { mutableStateOf(false) }
+  val prefs = m.controller.appPrefs
+  val chatArchiveName = remember { mutableStateOf(prefs.chatArchiveName.get()) }
+  val chatArchiveTime = remember { mutableStateOf(prefs.chatArchiveTime.get()) }
+  val chatLastStart = remember { mutableStateOf(prefs.chatLastStart.get()) }
+  val chatArchiveFile = remember { mutableStateOf<String?>(null) }
+  val saveArchiveLauncher = rememberSaveArchiveLauncher(cxt = context, chatArchiveFile)
+  val importArchiveLauncher = rememberGetContentLauncher { uri: Uri? ->
+    if (uri != null) {
+      importArchiveAlert(m, context, uri, progressIndicator)
+    }
+  }
+  LaunchedEffect(m.chatRunning) {
+    runChat.value = m.chatRunning.value ?: true
+  }
+  Box(
+    Modifier.fillMaxSize(),
+  ) {
+    DatabaseLayout(
+      progressIndicator.value,
+      runChat.value,
+      m.chatDbChanged.value,
+      importArchiveLauncher,
+      chatArchiveName,
+      chatArchiveTime,
+      chatLastStart,
+      startChat = { startChat(m, runChat) },
+      stopChatAlert = { stopChatAlert(m, runChat) },
+      exportArchive = { exportArchive(context, m, progressIndicator, chatArchiveName, chatArchiveTime, chatArchiveFile, saveArchiveLauncher) },
+      deleteChatAlert = { deleteChatAlert(m, progressIndicator) },
+      showSettingsModal
+    )
+    if (progressIndicator.value) {
+      Box(
+        Modifier.fillMaxSize(),
+        contentAlignment = Alignment.Center
+      ) {
+        CircularProgressIndicator(
+          Modifier
+            .padding(horizontal = 2.dp)
+            .size(30.dp),
+          color = HighOrLowlight,
+          strokeWidth = 2.5.dp
+        )
+      }
+    }
+  }
+}
+
+@Composable
+fun DatabaseLayout(
+  progressIndicator: Boolean,
+  runChat: Boolean,
+  chatDbChanged: Boolean,
+  importArchiveLauncher: ManagedActivityResultLauncher<String, Uri?>,
+  chatArchiveName: MutableState<String?>,
+  chatArchiveTime: MutableState<Instant?>,
+  chatLastStart: MutableState<Instant?>,
+  startChat: () -> Unit,
+  stopChatAlert: () -> Unit,
+  exportArchive: () -> Unit,
+  deleteChatAlert: () -> Unit,
+  showSettingsModal: (@Composable (ChatModel) -> Unit) -> (() -> Unit)
+) {
+  val stopped = !runChat
+  val operationsDisabled = !stopped || progressIndicator || chatDbChanged
+
+  Column(
+    Modifier.fillMaxWidth(),
+    horizontalAlignment = Alignment.Start,
+  ) {
+    @Composable fun divider() = Divider(Modifier.padding(horizontal = 8.dp))
+    Text(
+      stringResource(R.string.your_chat_database),
+      Modifier.padding(start = 16.dp, bottom = 24.dp),
+      style = MaterialTheme.typography.h1
+    )
+
+    SettingsSectionView(stringResource(R.string.run_chat_section)) {
+      RunChatSetting(runChat, stopped, chatDbChanged, startChat, stopChatAlert)
+    }
+    Spacer(Modifier.height(30.dp))
+
+    SettingsSectionView(stringResource(R.string.chat_database_section)) {
+      SettingsActionItem(
+        Icons.Outlined.IosShare,
+        stringResource(R.string.export_database),
+        exportArchive,
+        textColor = MaterialTheme.colors.primary,
+        disabled = operationsDisabled
+      )
+      divider()
+      SettingsActionItem(
+        Icons.Outlined.FileDownload,
+        stringResource(R.string.import_database),
+        { importArchiveLauncher.launch("application/zip") },
+        textColor = Color.Red,
+        disabled = operationsDisabled
+      )
+      divider()
+      val chatArchiveNameVal = chatArchiveName.value
+      val chatArchiveTimeVal = chatArchiveTime.value
+      val chatLastStartVal = chatLastStart.value
+      if (chatArchiveNameVal != null && chatArchiveTimeVal != null && chatLastStartVal != null) {
+        val title = chatArchiveTitle(chatArchiveTimeVal, chatLastStartVal)
+        SettingsActionItem(
+          Icons.Outlined.Inventory2,
+          title,
+          click = showSettingsModal { ChatArchiveView(it, title, chatArchiveNameVal, chatArchiveTimeVal) },
+          disabled = operationsDisabled
+        )
+        divider()
+      }
+      SettingsActionItem(
+        Icons.Outlined.DeleteForever,
+        stringResource(R.string.delete_database),
+        deleteChatAlert,
+        textColor = Color.Red,
+        disabled = operationsDisabled
+      )
+    }
+    SettingsSectionFooter(
+      if (chatDbChanged) {
+        stringResource(R.string.restart_the_app_to_use_new_chat_database)
+      } else {
+        if (stopped) {
+          stringResource(R.string.you_must_use_the_most_recent_version_of_database)
+        } else {
+          stringResource(R.string.stop_chat_to_enable_database_actions)
+        }
+      }
+    )
+  }
+}
+
+@Composable
+fun RunChatSetting(
+  runChat: Boolean,
+  stopped: Boolean,
+  chatDbChanged: Boolean,
+  startChat: () -> Unit,
+  stopChatAlert: () -> Unit
+) {
+  SettingsItemView() {
+    Row(verticalAlignment = Alignment.CenterVertically) {
+      val chatRunningText = if (stopped) stringResource(R.string.chat_is_stopped) else stringResource(R.string.chat_is_running)
+      Icon(
+        if (stopped) Icons.Filled.Report else Icons.Filled.PlayArrow,
+        chatRunningText,
+        tint = if (chatDbChanged) HighOrLowlight else if (stopped) Color.Red else MaterialTheme.colors.primary
+      )
+      Spacer(Modifier.padding(horizontal = 4.dp))
+      Text(
+        chatRunningText,
+        Modifier.padding(end = 24.dp),
+        color = if (chatDbChanged) HighOrLowlight else Color.Unspecified
+      )
+      Spacer(Modifier.fillMaxWidth().weight(1f))
+      Switch(
+        checked = runChat,
+        onCheckedChange = { runChatSwitch ->
+          if (runChatSwitch) {
+            startChat()
+          } else {
+            stopChatAlert()
+          }
+        },
+        colors = SwitchDefaults.colors(
+          checkedThumbColor = MaterialTheme.colors.primary,
+          uncheckedThumbColor = HighOrLowlight
+        ),
+        enabled = !chatDbChanged
+      )
+    }
+  }
+}
+
+@Composable
+fun chatArchiveTitle(chatArchiveTime: Instant, chatLastStart: Instant): String {
+  return stringResource(if (chatArchiveTime < chatLastStart) R.string.old_database_archive else R.string.new_database_archive)
+}
+
+@Composable
+fun SettingsSectionFooter(text: String) {
+  Text(text, color = HighOrLowlight, modifier = Modifier.padding(start = 16.dp, top = 5.dp).fillMaxWidth(0.9F), fontSize = 12.sp)
+}
+
+private fun startChat(m: ChatModel, runChat: MutableState<Boolean>) {
+  withApi {
+    try {
+      m.controller.apiStartChat()
+      runChat.value = true
+      m.chatRunning.value = true
+      m.controller.appPrefs.chatLastStart.set(Clock.System.now())
+    } catch (e: Error) {
+      runChat.value = false
+      AlertManager.shared.showAlertMsg(generalGetString(R.string.error_starting_chat), e.toString())
+    }
+  }
+}
+
+private fun stopChatAlert(m: ChatModel, runChat: MutableState<Boolean>) {
+  AlertManager.shared.showAlertDialog(
+    title = generalGetString(R.string.stop_chat_question),
+    text = generalGetString(R.string.stop_chat_to_export_import_or_delete_chat_database),
+    confirmText = generalGetString(R.string.stop_chat_confirmation),
+    onConfirm = { stopChat(m, runChat) },
+    onDismiss = { runChat.value = true }
+  )
+}
+
+private fun stopChat(m: ChatModel, runChat: MutableState<Boolean>) {
+  withApi {
+    try {
+      m.controller.apiStopChat()
+      runChat.value = false
+      m.chatRunning.value = false
+    } catch (e: Error) {
+      runChat.value = true
+      AlertManager.shared.showAlertMsg(generalGetString(R.string.error_starting_chat), e.toString())
+    }
+  }
+}
+
+private fun exportArchive(
+  context: Context,
+  m: ChatModel,
+  progressIndicator: MutableState<Boolean>,
+  chatArchiveName: MutableState<String?>,
+  chatArchiveTime: MutableState<Instant?>,
+  chatArchiveFile: MutableState<String?>,
+  saveArchiveLauncher: ManagedActivityResultLauncher<String, Uri?>
+) {
+  progressIndicator.value = true
+  withApi {
+    try {
+      val archiveFile = exportChatArchive(m, context, chatArchiveName, chatArchiveTime, chatArchiveFile)
+      chatArchiveFile.value = archiveFile
+      saveArchiveLauncher.launch(archiveFile.substringAfterLast("/"))
+      progressIndicator.value = false
+    } catch (e: Error) {
+      AlertManager.shared.showAlertMsg(generalGetString(R.string.error_exporting_chat_database), e.toString())
+      progressIndicator.value = false
+    }
+  }
+}
+
+private suspend fun exportChatArchive(
+  m: ChatModel,
+  context: Context,
+  chatArchiveName: MutableState<String?>,
+  chatArchiveTime: MutableState<Instant?>,
+  chatArchiveFile: MutableState<String?>
+): String {
+  val archiveTime = Clock.System.now()
+  val ts = SimpleDateFormat("yyyy-MM-dd'T'HHmmss", Locale.US).format(Date.from(archiveTime.toJavaInstant()))
+  val archiveName = "simplex-chat.$ts.zip"
+  val archivePath = "${getFilesDirectory(context)}/$archiveName"
+  val config = ArchiveConfig(archivePath, parentTempDirectory = context.cacheDir.toString())
+  m.controller.apiExportArchive(config)
+  deleteOldArchive(m, context)
+  m.controller.appPrefs.chatArchiveName.set(archiveName)
+  chatArchiveName.value = archiveName
+  m.controller.appPrefs.chatArchiveTime.set(archiveTime)
+  chatArchiveTime.value = archiveTime
+  chatArchiveFile.value = archivePath
+  return archivePath
+}
+
+private fun deleteOldArchive(m: ChatModel, context: Context) {
+  val chatArchiveName = m.controller.appPrefs.chatArchiveName.get()
+  if (chatArchiveName != null) {
+    val file = File("${getFilesDirectory(context)}/$chatArchiveName")
+    val fileDeleted = file.delete()
+    if (fileDeleted) {
+      m.controller.appPrefs.chatArchiveName.set(null)
+      m.controller.appPrefs.chatArchiveTime.set(null)
+    } else {
+      Log.e(TAG, "deleteOldArchive file.delete() error")
+    }
+  }
+}
+
+@Composable
+private fun rememberSaveArchiveLauncher(cxt: Context, chatArchiveFile: MutableState<String?>): ManagedActivityResultLauncher<String, Uri?> =
+  rememberLauncherForActivityResult(
+    contract = ActivityResultContracts.CreateDocument(),
+    onResult = { destination ->
+      try {
+        destination?.let {
+          val filePath = chatArchiveFile.value
+          if (filePath != null) {
+            val contentResolver = cxt.contentResolver
+            contentResolver.openOutputStream(destination)?.let { stream ->
+              val outputStream = BufferedOutputStream(stream)
+              val file = File(filePath)
+              outputStream.write(file.readBytes())
+              outputStream.close()
+              Toast.makeText(cxt, generalGetString(R.string.file_saved), Toast.LENGTH_SHORT).show()
+            }
+          } else {
+            Toast.makeText(cxt, generalGetString(R.string.file_not_found), Toast.LENGTH_SHORT).show()
+          }
+        }
+      } catch (e: Error) {
+        Toast.makeText(cxt, generalGetString(R.string.error_saving_file), Toast.LENGTH_SHORT).show()
+        Log.e(TAG, "rememberSaveArchiveLauncher error saving archive $e")
+      } finally {
+        chatArchiveFile.value = null
+      }
+    }
+  )
+
+private fun importArchiveAlert(m: ChatModel, context: Context, importedArchiveUri: Uri, progressIndicator: MutableState<Boolean>) {
+  AlertManager.shared.showAlertDialog(
+    title = generalGetString(R.string.import_database_question),
+    text = generalGetString(R.string.your_current_chat_database_will_be_deleted_and_replaced_with_the_imported_one),
+    confirmText = generalGetString(R.string.import_database_confirmation),
+    onConfirm = { importArchive(m, context, importedArchiveUri, progressIndicator) }
+  )
+}
+
+private fun importArchive(m: ChatModel, context: Context, importedArchiveUri: Uri, progressIndicator: MutableState<Boolean>) {
+  progressIndicator.value = true
+  val archivePath = saveArchiveFromUri(context, importedArchiveUri)
+  if (archivePath != null) {
+    withApi {
+      try {
+        m.controller.apiDeleteStorage()
+        try {
+          val config = ArchiveConfig(archivePath, parentTempDirectory = context.cacheDir.toString())
+          m.controller.apiImportArchive(config)
+          operationEnded(m, progressIndicator) {
+            AlertManager.shared.showAlertMsg(generalGetString(R.string.chat_database_imported), generalGetString(R.string.restart_the_app_to_use_imported_chat_database))
+          }
+        } catch (e: Error) {
+          operationEnded(m, progressIndicator) {
+            AlertManager.shared.showAlertMsg(generalGetString(R.string.error_importing_database), e.toString())
+          }
+        }
+      } catch (e: Error) {
+        operationEnded(m, progressIndicator) {
+          AlertManager.shared.showAlertMsg(generalGetString(R.string.error_deleting_database), e.toString())
+        }
+      } finally {
+        File(archivePath).delete()
+      }
+    }
+  }
+}
+
+private fun saveArchiveFromUri(context: Context, importedArchiveUri: Uri): String? {
+  return try {
+    val inputStream = context.contentResolver.openInputStream(importedArchiveUri)
+    val archiveName = getFileName(context, importedArchiveUri)
+    if (inputStream != null && archiveName != null) {
+      val archivePath = "${context.cacheDir}/$archiveName"
+      val destFile = File(archivePath)
+      FileUtils.copy(inputStream, FileOutputStream(destFile))
+      archivePath
+    } else {
+      Log.e(TAG, "saveArchiveFromUri null inputStream")
+      null
+    }
+  } catch (e: Exception) {
+    Log.e(TAG, "saveArchiveFromUri error: ${e.message}")
+    null
+  }
+}
+
+private fun deleteChatAlert(m: ChatModel, progressIndicator: MutableState<Boolean>) {
+  AlertManager.shared.showAlertDialog(
+    title = generalGetString(R.string.delete_chat_profile_question),
+    text = generalGetString(R.string.delete_chat_profile_action_cannot_be_undone_warning),
+    confirmText = generalGetString(R.string.delete_verb),
+    onConfirm = { deleteChat(m, progressIndicator) }
+  )
+}
+
+private fun deleteChat(m: ChatModel, progressIndicator: MutableState<Boolean>) {
+  progressIndicator.value = true
+  withApi {
+    try {
+      m.controller.apiDeleteStorage()
+      operationEnded(m, progressIndicator) {
+        AlertManager.shared.showAlertMsg(generalGetString(R.string.chat_database_deleted), generalGetString(R.string.restart_the_app_to_create_a_new_chat_profile))
+      }
+    } catch (e: Error) {
+      operationEnded(m, progressIndicator) {
+        AlertManager.shared.showAlertMsg(generalGetString(R.string.error_deleting_database), e.toString())
+      }
+    }
+  }
+}
+
+private fun operationEnded(m: ChatModel, progressIndicator: MutableState<Boolean>, alert: () -> Unit) {
+  m.chatDbChanged.value = true
+  progressIndicator.value = false
+  alert.invoke()
+}
+
+@Preview(showBackground = true)
+@Preview(
+  uiMode = Configuration.UI_MODE_NIGHT_YES,
+  showBackground = true,
+  name = "Dark Mode"
+)
+@Composable
+fun PreviewDatabaseLayout() {
+  SimpleXTheme {
+    DatabaseLayout(
+      progressIndicator = false,
+      runChat = true,
+      chatDbChanged = false,
+      importArchiveLauncher = rememberGetContentLauncher {},
+      chatArchiveName = remember { mutableStateOf("dummy_archive") },
+      chatArchiveTime = remember { mutableStateOf(Clock.System.now()) },
+      chatLastStart = remember { mutableStateOf(Clock.System.now()) },
+      startChat = {},
+      stopChatAlert = {},
+      exportArchive = {},
+      deleteChatAlert = {},
+      showSettingsModal = { {} }
+    )
+  }
+}
--- a/apps/android/app/src/main/java/chat/simplex/app/views/usersettings/SettingsView.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/views/usersettings/SettingsView.kt
@@ -5,6 +5,7 @@ import androidx.compose.foundation.*
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.*
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Report
 import androidx.compose.material.icons.outlined.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
@@ -23,12 +24,14 @@ import chat.simplex.app.R
 import chat.simplex.app.model.*
 import chat.simplex.app.ui.theme.*
 import chat.simplex.app.views.TerminalView
+import chat.simplex.app.views.database.DatabaseView
 import chat.simplex.app.views.helpers.*
 import chat.simplex.app.views.onboarding.SimpleXInfo

@Composable
 fun SettingsView(chatModel: ChatModel, setPerformLA: (Boolean) -> Unit) {
  val user = chatModel.currentUser.value
+  val stopped = chatModel.chatRunning.value == false

  fun setRunServiceInBackground(on: Boolean) {
    chatModel.controller.appPrefs.runServiceInBackground.set(on)
@@ -42,6 +45,7 @@ fun SettingsView(chatModel: ChatModel, setPerformLA: (Boolean) -> Unit) {
  if (user != null) {
    SettingsLayout(
      profile = user.profile,
+      stopped,
      runServiceInBackground = chatModel.runServiceInBackground,
      setRunServiceInBackground = ::setRunServiceInBackground,
      setPerformLA = setPerformLA,
@@ -65,6 +69,7 @@ val simplexTeamUri =
@Composable
 fun SettingsLayout(
  profile: Profile,
+  stopped: Boolean,
  runServiceInBackground: MutableState<Boolean>,
  setRunServiceInBackground: (Boolean) -> Unit,
  setPerformLA: (Boolean) -> Unit,
@@ -92,40 +97,42 @@ fun SettingsLayout(
      Spacer(Modifier.height(30.dp))

      SettingsSectionView(stringResource(R.string.settings_section_title_you)) {
-        SettingsItemView(showCustomModal { chatModel, close -> UserProfileView(chatModel, close) }, 80.dp) {
-          ProfilePreview(profile)
+        SettingsItemView(showCustomModal { chatModel, close -> UserProfileView(chatModel, close) }, 80.dp, disabled = stopped) {
+          ProfilePreview(profile, stopped = stopped)
        }
        divider()
-        SettingsActionItem(Icons.Outlined.QrCode, stringResource(R.string.your_simplex_contact_address), showModal { UserAddressView(it) })
+        SettingsActionItem(Icons.Outlined.QrCode, stringResource(R.string.your_simplex_contact_address), showModal { UserAddressView(it) }, disabled = stopped)
+        divider()
+        DatabaseItem(showSettingsModal { DatabaseView(it, showSettingsModal) }, stopped)
      }
      spacer()

      SettingsSectionView(stringResource(R.string.settings_section_title_settings)) {
-        SettingsActionItem(Icons.Outlined.Videocam, stringResource(R.string.settings_audio_video_calls), showSettingsModal { CallSettingsView(it) })
+        SettingsActionItem(Icons.Outlined.Videocam, stringResource(R.string.settings_audio_video_calls), showSettingsModal { CallSettingsView(it) }, disabled = stopped)
        divider()
-        SettingsActionItem(Icons.Outlined.Lock, stringResource(R.string.privacy_and_security), showSettingsModal { PrivacySettingsView(it, setPerformLA) })
+        SettingsActionItem(Icons.Outlined.Lock, stringResource(R.string.privacy_and_security), showSettingsModal { PrivacySettingsView(it, setPerformLA) }, disabled = stopped)
        divider()
-        PrivateNotificationsItem(runServiceInBackground, setRunServiceInBackground)
+        PrivateNotificationsItem(runServiceInBackground, setRunServiceInBackground, stopped)
        divider()
-        SettingsActionItem(Icons.Outlined.Dns, stringResource(R.string.smp_servers), showModal { SMPServersView(it) })
+        SettingsActionItem(Icons.Outlined.Dns, stringResource(R.string.smp_servers), showModal { SMPServersView(it) }, disabled = stopped)
      }
      spacer()

      SettingsSectionView(stringResource(R.string.settings_section_title_help)) {
-        SettingsActionItem(Icons.Outlined.HelpOutline, stringResource(R.string.how_to_use_simplex_chat), showModal { HelpView(it) })
+        SettingsActionItem(Icons.Outlined.HelpOutline, stringResource(R.string.how_to_use_simplex_chat), showModal { HelpView(it) }, disabled = stopped)
        divider()
        SettingsActionItem(Icons.Outlined.Info, stringResource(R.string.about_simplex_chat), showModal { SimpleXInfo(it, onboarding = false) })
        divider()
        SettingsActionItem(Icons.Outlined.TextFormat, stringResource(R.string.markdown_in_messages), showModal { MarkdownHelpView() })
        divider()
-        SettingsActionItem(Icons.Outlined.Tag, stringResource(R.string.chat_with_the_founder), { uriHandler.openUri(simplexTeamUri) }, textColor = MaterialTheme.colors.primary)
+        SettingsActionItem(Icons.Outlined.Tag, stringResource(R.string.chat_with_the_founder), { uriHandler.openUri(simplexTeamUri) }, textColor = MaterialTheme.colors.primary, disabled = stopped)
        divider()
        SettingsActionItem(Icons.Outlined.Email, stringResource(R.string.send_us_an_email), { uriHandler.openUri("mailto:chat@simplex.chat") }, textColor = MaterialTheme.colors.primary)
      }
      spacer()

      SettingsSectionView(stringResource(R.string.settings_section_title_develop)) {
-        ChatConsoleItem(showTerminal)
+        ChatConsoleItem(showTerminal, stopped)
        divider()
        InstallTerminalAppItem(uriHandler)
        divider()
@@ -139,19 +146,49 @@ fun SettingsLayout(

@Composable fun SettingsSectionView(title: String, content: (@Composable () -> Unit)) {
  Column {
-    Text(title, color = HighOrLowlight, style = MaterialTheme.typography.body2,
-      modifier = Modifier.padding(start = 16.dp, bottom = 5.dp), fontSize = 12.sp)
+    Text(
+      title, color = HighOrLowlight, style = MaterialTheme.typography.body2,
+      modifier = Modifier.padding(start = 16.dp, bottom = 5.dp), fontSize = 12.sp
+    )
    Surface(color = if (isSystemInDarkTheme()) GroupDark else MaterialTheme.colors.background) {
      Column(Modifier.padding(horizontal = 6.dp)) { content() }
    }
  }
 }

+@Composable private fun DatabaseItem(openDatabaseView: () -> Unit, stopped: Boolean) {
+  SettingsItemView(openDatabaseView) {
+    Row(
+      Modifier.fillMaxWidth(),
+      horizontalArrangement = Arrangement.SpaceBetween
+    ) {
+      Row {
+        Icon(
+          Icons.Outlined.Archive,
+          contentDescription = stringResource(R.string.database_export_and_import),
+          tint = HighOrLowlight,
+        )
+        Spacer(Modifier.padding(horizontal = 4.dp))
+        Text(stringResource(R.string.database_export_and_import))
+      }
+      if (stopped) {
+        Icon(
+          Icons.Filled.Report,
+          contentDescription = stringResource(R.string.chat_is_stopped),
+          tint = Color.Red,
+          modifier = Modifier.padding(end = 6.dp)
+        )
+      }
+    }
+  }
+}
+
@Composable private fun PrivateNotificationsItem(
  runServiceInBackground: MutableState<Boolean>,
-  setRunServiceInBackground: (Boolean) -> Unit
+  setRunServiceInBackground: (Boolean) -> Unit,
+  stopped: Boolean
 ) {
-  SettingsItemView() {
+  SettingsItemView(disabled = stopped) {
    Row(verticalAlignment = Alignment.CenterVertically) {
      Icon(
        Icons.Outlined.Bolt,
@@ -164,7 +201,8 @@ fun SettingsLayout(
        Modifier
          .padding(end = 24.dp)
          .fillMaxWidth()
-          .weight(1f)
+          .weight(1f),
+        color = if (stopped) HighOrLowlight else Color.Unspecified
      )
      Switch(
        checked = runServiceInBackground.value,
@@ -173,7 +211,8 @@ fun SettingsLayout(
          checkedThumbColor = MaterialTheme.colors.primary,
          uncheckedThumbColor = HighOrLowlight
        ),
-        modifier = Modifier.padding(end = 6.dp)
+        modifier = Modifier.padding(end = 6.dp),
+        enabled = !stopped
      )
    }
  }
@@ -207,15 +246,18 @@ fun SettingsLayout(
  }
 }

-@Composable private fun ChatConsoleItem(showTerminal: () -> Unit) {
-  SettingsItemView(showTerminal) {
+@Composable private fun ChatConsoleItem(showTerminal: () -> Unit, stopped: Boolean) {
+  SettingsItemView(showTerminal, disabled = stopped) {
    Icon(
      painter = painterResource(id = R.drawable.ic_outline_terminal),
      contentDescription = stringResource(R.string.chat_console),
      tint = HighOrLowlight,
    )
    Spacer(Modifier.padding(horizontal = 4.dp))
-    Text(stringResource(R.string.chat_console))
+    Text(
+      stringResource(R.string.chat_console),
+      color = if (stopped) HighOrLowlight else Color.Unspecified
+    )
  }
 }

@@ -237,7 +279,7 @@ fun SettingsLayout(
  }
 }

-@Composable fun ProfilePreview(profileOf: NamedChat, size: Dp = 60.dp, color: Color = MaterialTheme.colors.secondary) {
+@Composable fun ProfilePreview(profileOf: NamedChat, size: Dp = 60.dp, color: Color = MaterialTheme.colors.secondary, stopped: Boolean = false) {
  ProfileImage(size = size, image = profileOf.image, color = color)
  Spacer(Modifier.padding(horizontal = 4.dp))
  Column {
@@ -245,19 +287,23 @@ fun SettingsLayout(
      profileOf.displayName,
      style = MaterialTheme.typography.caption,
      fontWeight = FontWeight.Bold,
+      color = if (stopped) HighOrLowlight else Color.Unspecified
+    )
+    Text(
+      profileOf.fullName,
+      color = if (stopped) HighOrLowlight else Color.Unspecified
    )
-    Text(profileOf.fullName)
  }
 }

@Composable
-fun SettingsItemView(click: (() -> Unit)? = null, height: Dp = 46.dp, content: (@Composable () -> Unit)) {
+fun SettingsItemView(click: (() -> Unit)? = null, height: Dp = 46.dp, disabled: Boolean = false, content: (@Composable () -> Unit)) {
  val modifier = Modifier
    .padding(start = 8.dp)
    .fillMaxWidth()
    .height(height)
  Row(
-    if (click == null) modifier else modifier.clickable(onClick = click),
+    if (click == null || disabled) modifier else modifier.clickable(onClick = click),
    verticalAlignment = Alignment.CenterVertically
  ) {
    content()
@@ -265,11 +311,11 @@ fun SettingsItemView(click: (() -> Unit)? = null, height: Dp = 46.dp, content: (
 }

@Composable
-fun SettingsActionItem(icon: ImageVector, text: String, click: (() -> Unit)? = null, textColor: Color = Color.Unspecified) {
-  SettingsItemView(click) {
+fun SettingsActionItem(icon: ImageVector, text: String, click: (() -> Unit)? = null, textColor: Color = Color.Unspecified, disabled: Boolean = false) {
+  SettingsItemView(click, disabled = disabled) {
    Icon(icon, text, tint = HighOrLowlight)
    Spacer(Modifier.padding(horizontal = 4.dp))
-    Text(text, color = textColor)
+    Text(text, color = if (disabled) HighOrLowlight else textColor)
  }
 }

@@ -295,6 +341,7 @@ fun PreviewSettingsLayout() {
  SimpleXTheme {
    SettingsLayout(
      profile = Profile.sampleData,
+      stopped = false,
      runServiceInBackground = remember { mutableStateOf(true) },
      setRunServiceInBackground = {},
      setPerformLA = {},
--- a/apps/android/app/src/main/res/values-ru/strings.xml
+++ b/apps/android/app/src/main/res/values-ru/strings.xml
@@ -244,6 +244,7 @@
    <!-- settings - SettingsView.kt -->
    <string name="your_settings">Настройки</string>
    <string name="your_simplex_contact_address">Ваш <xliff:g id="appName">SimpleX</xliff:g> адрес</string>
+    <string name="database_export_and_import">Экспорт и импорт архива чата</string>
    <string name="about_simplex_chat">Информация о <xliff:g id="appNameFull">SimpleX Chat</xliff:g></string>
    <string name="how_to_use_simplex_chat">Как использовать</string>
    <string name="markdown_help">Форматирование сообщений</string>
@@ -439,4 +440,47 @@
    <string name="settings_section_title_device">УСТРОЙСТВО</string>
    <string name="settings_section_title_chats">ЧАТЫ</string>
    <string name="settings_experimental_features">Экспериментальные функции</string>
+
+    <!-- DatabaseView.kt -->
+    <string name="your_chat_database">Архив чата</string>
+    <string name="run_chat_section">ЗАПУСТИТЬ ЧАТ</string>
+    <string name="chat_is_running">Чат запущен</string>
+    <string name="chat_is_stopped">Чат остановлен</string>
+    <string name="chat_database_section">АРХИВ ЧАТА</string>
+    <string name="export_database">Экспорт архива чата</string>
+    <string name="import_database">Импорт архива чата</string>
+    <string name="new_database_archive">Новый архив чата</string>
+    <string name="old_database_archive">Старый архив чата</string>
+    <string name="delete_database">Удалить данные чата</string>
+    <string name="error_starting_chat">Ошибка при запуске чата</string>
+    <string name="stop_chat_question">Остановить чат?</string>
+    <string name="stop_chat_to_export_import_or_delete_chat_database">Остановите чат, чтобы экспортировать или импортировать архив чата или удалить данные чата. Вы не сможете получать и отправлять сообщения, пока чат остановлен.</string>
+    <string name="stop_chat_confirmation">Остановить</string>
+    <string name="error_stopping_chat">Ошибка при остановке чата</string>
+    <string name="error_exporting_chat_database">Ошибка экспорта архива чата</string>
+    <string name="import_database_question">Импортировать архив чата?</string>
+    <string name="your_current_chat_database_will_be_deleted_and_replaced_with_the_imported_one">Текущие данные вашего чата будет УДАЛЕНЫ и ЗАМЕНЕНЫ импортированными.\nЭто действие нельзя отменить — ваш профиль, контакты, сообщения и файлы будут безвозвратно утеряны.</string>
+    <string name="import_database_confirmation">Импортировать</string>
+    <string name="error_deleting_database">Ошибка при удалении данных чата</string>
+    <string name="error_importing_database">Ошибка при импорте архива чата</string>
+    <string name="chat_database_imported">Архив чата импортирован</string>
+    <string name="restart_the_app_to_use_imported_chat_database">Перезапустите приложение, чтобы использовать импортированный архив.</string>
+    <string name="delete_chat_profile_question">Удалить профиль?</string>
+    <string name="delete_chat_profile_action_cannot_be_undone_warning">Это действие нельзя отменить — ваш профиль, контакты, сообщения и файлы будут безвозвратно утеряны.</string>
+    <string name="chat_database_deleted">Данные чата удалены</string>
+    <string name="restart_the_app_to_create_a_new_chat_profile">Перезапустите приложение, чтобы создать новый профиль.</string>
+    <string name="you_must_use_the_most_recent_version_of_database">Используйте самую последнюю версию архива чата и ТОЛЬКО на одном устройстве, иначе вы можете перестать получать сообщения от некоторых контактов.</string>
+    <string name="stop_chat_to_enable_database_actions">Остановите чат, чтобы разблокировать операции с архивом.</string>
+    <string name="restart_the_app_to_use_new_chat_database">Перезапустите приложение, чтобы использовать новый архив чата.</string>
+
+    <!-- ChatModel.chatRunning interactions -->
+    <string name="chat_is_stopped_indication">Чат остановлен</string>
+    <string name="you_can_start_chat_via_setting_or_by_restarting_the_app">Вы можете стартовать чат через Настройки приложения или перезапустив приложение.</string>
+
+    <!-- ChatArchiveView.kt -->
+    <string name="chat_archive_header">Архив чата</string>
+    <string name="save_archive">Сохранить архив</string>
+    <string name="delete_archive">Удалить архив</string>
+    <string name="archive_created_on_ts">Дата создания <xliff:g id="archive_ts">%1$s</xliff:g></string>
+    <string name="delete_chat_archive_question">Удалить архив чата?</string>
 </resources>
--- a/apps/android/app/src/main/res/values/strings.xml
+++ b/apps/android/app/src/main/res/values/strings.xml
@@ -250,6 +250,7 @@
  <!-- settings - SettingsView.kt -->
  <string name="your_settings">Your settings</string>
  <string name="your_simplex_contact_address">Your <xliff:g id="appName">SimpleX</xliff:g> contact address</string>
+  <string name="database_export_and_import">Database export &amp; import</string>
  <string name="about_simplex_chat">About <xliff:g id="appNameFull">SimpleX Chat</xliff:g></string>
  <string name="how_to_use_simplex_chat">How to use it</string>
  <string name="markdown_help">Markdown help</string>
@@ -441,4 +442,47 @@
  <string name="settings_section_title_device">DEVICE</string>
  <string name="settings_section_title_chats">CHATS</string>
  <string name="settings_experimental_features">Experimental features</string>
+
+  <!-- DatabaseView.kt -->
+  <string name="your_chat_database">Your chat database</string>
+  <string name="run_chat_section">RUN CHAT</string>
+  <string name="chat_is_running">Chat is running</string>
+  <string name="chat_is_stopped">Chat is stopped</string>
+  <string name="chat_database_section">CHAT DATABASE</string>
+  <string name="export_database">Export database</string>
+  <string name="import_database">Import database</string>
+  <string name="new_database_archive">New database archive</string>
+  <string name="old_database_archive">Old database archive</string>
+  <string name="delete_database">Delete database</string>
+  <string name="error_starting_chat">Error starting chat</string>
+  <string name="stop_chat_question">Stop chat?</string>
+  <string name="stop_chat_to_export_import_or_delete_chat_database">Stop chat to export, import or delete chat database. You will not be able to receive and send messages while the chat is stopped.</string>
+  <string name="stop_chat_confirmation">Stop</string>
+  <string name="error_stopping_chat">Error stopping chat</string>
+  <string name="error_exporting_chat_database">Error exporting chat database</string>
+  <string name="import_database_question">Import chat database?</string>
+  <string name="your_current_chat_database_will_be_deleted_and_replaced_with_the_imported_one">Your current chat database will be DELETED and REPLACED with the imported one.\nThis action cannot be undone - your profile, contacts, messages and files will be irreversibly lost.</string>
+  <string name="import_database_confirmation">Import</string>
+  <string name="error_deleting_database">Error deleting chat database</string>
+  <string name="error_importing_database">Error importing chat database</string>
+  <string name="chat_database_imported">Chat database imported</string>
+  <string name="restart_the_app_to_use_imported_chat_database">Restart the app to use imported chat database.</string>
+  <string name="delete_chat_profile_question">Delete chat profile?</string>
+  <string name="delete_chat_profile_action_cannot_be_undone_warning">This action cannot be undone - your profile, contacts, messages and files will be irreversibly lost.</string>
+  <string name="chat_database_deleted">Chat database deleted</string>
+  <string name="restart_the_app_to_create_a_new_chat_profile">Restart the app to create a new chat profile.</string>
+  <string name="you_must_use_the_most_recent_version_of_database">You must use the most recent version of your chat database on one device ONLY, otherwise you may stop receiving the messages from some contacts.</string>
+  <string name="stop_chat_to_enable_database_actions">Stop chat to enable database actions.</string>
+  <string name="restart_the_app_to_use_new_chat_database">Restart the app to use new chat database.</string>
+
+  <!-- ChatModel.chatRunning interactions -->
+  <string name="chat_is_stopped_indication">Chat is stopped</string>
+  <string name="you_can_start_chat_via_setting_or_by_restarting_the_app">You can start chat via app Settings / Database or by restarting the app.</string>
+
+  <!-- ChatArchiveView.kt -->
+  <string name="chat_archive_header">Chat archive</string>
+  <string name="save_archive">Save archive</string>
+  <string name="delete_archive">Delete archive</string>
+  <string name="archive_created_on_ts">Created on <xliff:g id="archive_ts">%1$s</xliff:g></string>
+  <string name="delete_chat_archive_question">Delete chat archive?</string>
 </resources>
--- a/apps/ios/SimpleXChat/APITypes.swift
+++ b/apps/ios/SimpleXChat/APITypes.swift
@@ -383,12 +383,10 @@ struct ComposedMessage: Encodable {
 public struct ArchiveConfig: Encodable {
    var archivePath: String
    var disableCompression: Bool?
-    var parentTempDirectory: String?

-    public init(archivePath: String, disableCompression: Bool? = nil, parentTempDirectory: String? = nil) {
+    public init(archivePath: String, disableCompression: Bool? = nil) {
        self.archivePath = archivePath
        self.disableCompression = disableCompression
-        self.parentTempDirectory = parentTempDirectory
    }
 }

--- a/src/Simplex/Chat/Archive.hs
+++ b/src/Simplex/Chat/Archive.hs
@@ -24,48 +24,28 @@ archiveFilesFolder :: String
 archiveFilesFolder = "simplex_v1_files"

 exportArchive :: ChatMonad m => ArchiveConfig -> m ()
-exportArchive cfg@ArchiveConfig {archivePath, disableCompression} = do
-  liftIO . print $ "exportArchive 1"
+exportArchive cfg@ArchiveConfig {archivePath, disableCompression} =
  withTempDir cfg "simplex-chat." $ \dir -> do
-    liftIO . print $ "exportArchive 2, dir = " <> dir
    StorageFiles {chatDb, agentDb, filesPath} <- storageFiles
-    liftIO . print $ "exportArchive 3"
    copyFile chatDb $ dir </> archiveChatDbFile
-    liftIO . print $ "exportArchive 4"
    copyFile agentDb $ dir </> archiveAgentDbFile
-    liftIO . print $ "exportArchive 5"
-    forM_ filesPath $ \fp -> do
-      liftIO . print $ "exportArchive 6, fp = " <> fp
+    forM_ filesPath $ \fp ->
      copyDirectoryFiles fp $ dir </> archiveFilesFolder
-    liftIO . print $ "exportArchive 7"
    let method = if disableCompression == Just True then Z.Store else Z.Deflate
-    liftIO . print $ "exportArchive 8, method = " <> show method
    Z.createArchive archivePath $ Z.packDirRecur method Z.mkEntrySelector dir
-    liftIO . print $ "exportArchive 9"

 importArchive :: ChatMonad m => ArchiveConfig -> m ()
-importArchive cfg@ArchiveConfig {archivePath} = do
-  liftIO . print $ "importArchive 1"
+importArchive cfg@ArchiveConfig {archivePath} =
  withTempDir cfg "simplex-chat." $ \dir -> do
-    liftIO . print $ "importArchive 2, dir = " <> dir
    Z.withArchive archivePath $ Z.unpackInto dir
-    liftIO . print $ "importArchive 3"
    StorageFiles {chatDb, agentDb, filesPath} <- storageFiles
-    liftIO . print $ "importArchive 4"
    backup chatDb
-    liftIO . print $ "importArchive 5"
    backup agentDb
-    liftIO . print $ "importArchive 6"
    copyFile (dir </> archiveChatDbFile) chatDb
-    liftIO . print $ "importArchive 7"
    copyFile (dir </> archiveAgentDbFile) agentDb
-    liftIO . print $ "importArchive 8"
    let filesDir = dir </> archiveFilesFolder
-    liftIO . print $ "importArchive 9, filesDir = " <> filesDir
-    forM_ filesPath $ \fp -> do
-      liftIO . print $ "importArchive 10, fp = " <> fp
-      whenM (doesDirectoryExist filesDir) $ do
-        liftIO . print $ "importArchive 11"
+    forM_ filesPath $ \fp ->
+      whenM (doesDirectoryExist filesDir) $
        copyDirectoryFiles filesDir fp
  where
    backup f = whenM (doesFileExist f) $ copyFile f $ f <> ".bak"