Snap for 13226929 from 6dc07389b34627847c54c24a0b028282ea23263c to 25Q2-release

Change-Id: I7bb77d63fa3282264bb5409df5221b4bd464d6af
diff --git a/android/TerminalApp/Android.bp b/android/TerminalApp/Android.bp
index e1e236a..c18ada4 100644
--- a/android/TerminalApp/Android.bp
+++ b/android/TerminalApp/Android.bp
@@ -14,6 +14,7 @@
         // TODO(b/330257000): will be removed when binder RPC is used
         "android.system.virtualizationservice_internal-java",
         "androidx-constraintlayout_constraintlayout",
+        "androidx.navigation_navigation-fragment-ktx",
         "androidx.window_window",
         "androidx.work_work-runtime",
         "apache-commons-compress",
diff --git a/android/TerminalApp/java/com/android/virtualization/terminal/ConfigJson.kt b/android/TerminalApp/java/com/android/virtualization/terminal/ConfigJson.kt
index 1fd58cd..5d22790 100644
--- a/android/TerminalApp/java/com/android/virtualization/terminal/ConfigJson.kt
+++ b/android/TerminalApp/java/com/android/virtualization/terminal/ConfigJson.kt
@@ -29,7 +29,6 @@
 import com.android.virtualization.terminal.ConfigJson.InputJson
 import com.android.virtualization.terminal.ConfigJson.PartitionJson
 import com.android.virtualization.terminal.ConfigJson.SharedPathJson
-import com.android.virtualization.terminal.InstalledImage.Companion.getDefault
 import com.google.gson.Gson
 import com.google.gson.annotations.SerializedName
 import java.io.BufferedReader
@@ -313,7 +312,7 @@
         private fun replaceKeywords(r: Reader, context: Context): String {
             val rules: Map<String, String> =
                 mapOf(
-                    "\\\$PAYLOAD_DIR" to getDefault(context).installDir.toString(),
+                    "\\\$PAYLOAD_DIR" to InstalledImage.getDefault(context).installDir.toString(),
                     "\\\$USER_ID" to context.userId.toString(),
                     "\\\$PACKAGE_NAME" to context.getPackageName(),
                     "\\\$APP_DATA_DIR" to context.getDataDir().toString(),
diff --git a/android/TerminalApp/java/com/android/virtualization/terminal/DebianServiceImpl.kt b/android/TerminalApp/java/com/android/virtualization/terminal/DebianServiceImpl.kt
index e81be7f..2c52283 100644
--- a/android/TerminalApp/java/com/android/virtualization/terminal/DebianServiceImpl.kt
+++ b/android/TerminalApp/java/com/android/virtualization/terminal/DebianServiceImpl.kt
@@ -21,7 +21,6 @@
 import com.android.internal.annotations.GuardedBy
 import com.android.system.virtualmachine.flags.Flags
 import com.android.virtualization.terminal.MainActivity.Companion.TAG
-import com.android.virtualization.terminal.PortsStateManager.Companion.getInstance
 import com.android.virtualization.terminal.proto.DebianServiceGrpc.DebianServiceImplBase
 import com.android.virtualization.terminal.proto.ForwardingRequestItem
 import com.android.virtualization.terminal.proto.QueueOpeningRequest
@@ -35,7 +34,7 @@
 import io.grpc.stub.StreamObserver
 
 internal class DebianServiceImpl(context: Context) : DebianServiceImplBase() {
-    private val portsStateManager: PortsStateManager = getInstance(context)
+    private val portsStateManager = PortsStateManager.getInstance(context)
     private var portsStateListener: PortsStateManager.Listener? = null
     private var shutdownRunnable: Runnable? = null
     private val mLock = Object()
diff --git a/android/TerminalApp/java/com/android/virtualization/terminal/Logger.kt b/android/TerminalApp/java/com/android/virtualization/terminal/Logger.kt
index 4162247..ba03716 100644
--- a/android/TerminalApp/java/com/android/virtualization/terminal/Logger.kt
+++ b/android/TerminalApp/java/com/android/virtualization/terminal/Logger.kt
@@ -47,6 +47,10 @@
         }
 
         try {
+            if (Files.isRegularFile(dir)) {
+                Log.i(tag, "Removed legacy log file: $dir")
+                Files.delete(dir)
+            }
             Files.createDirectories(dir)
             deleteOldLogs(dir, 10)
             val logPath = dir.resolve(LocalDateTime.now().toString() + ".txt")
diff --git a/android/TerminalApp/java/com/android/virtualization/terminal/MainActivity.kt b/android/TerminalApp/java/com/android/virtualization/terminal/MainActivity.kt
index 390ae00..e4eaecb 100644
--- a/android/TerminalApp/java/com/android/virtualization/terminal/MainActivity.kt
+++ b/android/TerminalApp/java/com/android/virtualization/terminal/MainActivity.kt
@@ -15,6 +15,7 @@
  */
 package com.android.virtualization.terminal
 
+import android.app.ForegroundServiceStartNotAllowedException
 import android.app.Notification
 import android.app.PendingIntent
 import android.content.Context
@@ -44,15 +45,11 @@
 import androidx.activity.result.ActivityResultCallback
 import androidx.activity.result.ActivityResultLauncher
 import androidx.activity.result.contract.ActivityResultContracts.StartActivityForResult
-import androidx.lifecycle.ViewModelProvider
+import androidx.activity.viewModels
 import androidx.viewpager2.widget.ViewPager2
 import com.android.internal.annotations.VisibleForTesting
 import com.android.microdroid.test.common.DeviceProperties
 import com.android.system.virtualmachine.flags.Flags.terminalGuiSupport
-import com.android.virtualization.terminal.ErrorActivity.Companion.start
-import com.android.virtualization.terminal.InstalledImage.Companion.getDefault
-import com.android.virtualization.terminal.VmLauncherService.Companion.run
-import com.android.virtualization.terminal.VmLauncherService.Companion.stop
 import com.android.virtualization.terminal.VmLauncherService.VmLauncherServiceCallback
 import com.google.android.material.tabs.TabLayout
 import com.google.android.material.tabs.TabLayoutMediator
@@ -75,17 +72,17 @@
     private lateinit var image: InstalledImage
     private lateinit var accessibilityManager: AccessibilityManager
     private lateinit var manageExternalStorageActivityResultLauncher: ActivityResultLauncher<Intent>
-    private lateinit var terminalViewModel: TerminalViewModel
     private lateinit var viewPager: ViewPager2
     private lateinit var tabLayout: TabLayout
     private lateinit var terminalTabAdapter: TerminalTabAdapter
     private val terminalInfo = CompletableFuture<TerminalInfo>()
+    private val terminalViewModel: TerminalViewModel by viewModels()
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         lockOrientationIfNecessary()
 
-        image = getDefault(this)
+        image = InstalledImage.getDefault(this)
 
         val launchInstaller = installIfNecessary()
 
@@ -114,7 +111,6 @@
     }
 
     private fun initializeUi() {
-        terminalViewModel = ViewModelProvider(this)[TerminalViewModel::class.java]
         setContentView(R.layout.activity_headless)
         tabLayout = findViewById<TabLayout>(R.id.tab_layout)
         displayMenu = findViewById<Button>(R.id.display_button)
@@ -154,6 +150,20 @@
         TabLayoutMediator(tabLayout, viewPager, false, false) { _: TabLayout.Tab?, _: Int -> }
             .attach()
 
+        tabLayout.addOnTabSelectedListener(
+            object : TabLayout.OnTabSelectedListener {
+                override fun onTabSelected(tab: TabLayout.Tab?) {
+                    tab?.position?.let {
+                        terminalViewModel.selectedTabViewId = terminalTabAdapter.tabs[it].id
+                    }
+                }
+
+                override fun onTabUnselected(tab: TabLayout.Tab?) {}
+
+                override fun onTabReselected(tab: TabLayout.Tab?) {}
+            }
+        )
+
         addTerminalTab()
 
         tabAddButton?.setOnClickListener { addTerminalTab() }
@@ -163,7 +173,9 @@
         val tab = tabLayout.newTab()
         tab.setCustomView(R.layout.tabitem_terminal)
         viewPager.offscreenPageLimit += 1
-        terminalTabAdapter.addTab()
+        val tabId = terminalTabAdapter.addTab()
+        terminalViewModel.selectedTabViewId = tabId
+        terminalViewModel.terminalTabs[tabId] = tab
         tab.customView!!
             .findViewById<Button>(R.id.tab_close_button)
             .setOnClickListener(
@@ -198,7 +210,7 @@
     override fun dispatchKeyEvent(event: KeyEvent): Boolean {
         if (Build.isDebuggable() && event.keyCode == KeyEvent.KEYCODE_UNKNOWN) {
             if (event.action == KeyEvent.ACTION_UP) {
-                start(this, Exception("Debug: KeyEvent.KEYCODE_UNKNOWN"))
+                ErrorActivity.start(this, Exception("Debug: KeyEvent.KEYCODE_UNKNOWN"))
             }
             return true
         }
@@ -226,9 +238,7 @@
                 "&fontWeightBold=" +
                 (FontStyle.FONT_WEIGHT_BOLD + config.fontWeightAdjustment) +
                 "&screenReaderMode=" +
-                accessibilityManager.isEnabled +
-                "&titleFixed=" +
-                getString(R.string.app_name))
+                accessibilityManager.isEnabled)
 
         try {
             return URL("https", ipAddress, port, "/$query")
@@ -252,7 +262,8 @@
         executorService.shutdown()
         getSystemService<AccessibilityManager>(AccessibilityManager::class.java)
             .removeAccessibilityStateChangeListener(this)
-        stop(this, this)
+        val intent = VmLauncherService.getIntentForShutdown(this, this)
+        startService(intent)
         super.onDestroy()
     }
 
@@ -272,7 +283,7 @@
     override fun onVmError() {
         Log.i(TAG, "onVmError()")
         // TODO: error cause is too simple.
-        start(this, Exception("onVmError"))
+        ErrorActivity.start(this, Exception("onVmError"))
     }
 
     override fun onAccessibilityStateChanged(enabled: Boolean) {
@@ -307,7 +318,7 @@
     }
 
     private fun startVm() {
-        val image = getDefault(this)
+        val image = InstalledImage.getDefault(this)
         if (!image.isInstalled()) {
             return
         }
@@ -322,9 +333,7 @@
         val settingsPendingIntent =
             PendingIntent.getActivity(this, 0, settingsIntent, PendingIntent.FLAG_IMMUTABLE)
 
-        val stopIntent = Intent()
-        stopIntent.setClass(this, VmLauncherService::class.java)
-        stopIntent.setAction(VmLauncherService.ACTION_SHUTDOWN_VM)
+        val stopIntent = VmLauncherService.getIntentForShutdown(this, this)
         val stopPendingIntent =
             PendingIntent.getService(
                 this,
@@ -359,9 +368,20 @@
                 )
                 .build()
 
-        val diskSize = intent.getLongExtra(KEY_DISK_SIZE, image.getSize())
-        run(this, this, notification, getDisplayInfo(), diskSize).onFailure {
-            Log.e(TAG, "Failed to start VM.", it)
+        val diskSize = intent.getLongExtra(EXTRA_DISK_SIZE, image.getSize())
+
+        val intent =
+            VmLauncherService.getIntentForStart(
+                this,
+                this,
+                notification,
+                getDisplayInfo(),
+                diskSize,
+            )
+        try {
+            startForegroundService(intent)
+        } catch (e: ForegroundServiceStartNotAllowedException) {
+            Log.e(TAG, "Failed to start VM", e)
             finish()
         }
     }
@@ -373,7 +393,8 @@
 
     companion object {
         const val TAG: String = "VmTerminalApp"
-        const val KEY_DISK_SIZE: String = "disk_size"
+        const val PREFIX: String = "com.android.virtualization.terminal."
+        const val EXTRA_DISK_SIZE: String = PREFIX + "EXTRA_DISK_SIZE"
         private val TERMINAL_CONNECTION_TIMEOUT_MS: Int
         private const val REQUEST_CODE_INSTALLER = 0x33
         private const val FONT_SIZE_DEFAULT = 13
diff --git a/android/TerminalApp/java/com/android/virtualization/terminal/Runner.kt b/android/TerminalApp/java/com/android/virtualization/terminal/Runner.kt
index 6454cbd..642cb26 100644
--- a/android/TerminalApp/java/com/android/virtualization/terminal/Runner.kt
+++ b/android/TerminalApp/java/com/android/virtualization/terminal/Runner.kt
@@ -27,7 +27,7 @@
 import java.util.concurrent.ForkJoinPool
 
 /** Utility class for creating a VM and waiting for it to finish. */
-internal class Runner private constructor(val vm: VirtualMachine?, callback: Callback) {
+internal class Runner private constructor(val vm: VirtualMachine, callback: Callback) {
     /** Get future about VM's exit status. */
     val exitStatus = callback.finishedSuccessfully
 
diff --git a/android/TerminalApp/java/com/android/virtualization/terminal/SettingsDiskResizeActivity.kt b/android/TerminalApp/java/com/android/virtualization/terminal/SettingsDiskResizeActivity.kt
index 68da45f..af1ae95 100644
--- a/android/TerminalApp/java/com/android/virtualization/terminal/SettingsDiskResizeActivity.kt
+++ b/android/TerminalApp/java/com/android/virtualization/terminal/SettingsDiskResizeActivity.kt
@@ -145,28 +145,30 @@
         // Activity with an extra argument specifying the new size. The actual resizing will be done
         // there.
         // TODO: show progress until the stop is confirmed
-        VmLauncherService.stop(
-            this,
-            object : VmLauncherServiceCallback {
-                override fun onVmStart() {}
+        val intent =
+            VmLauncherService.getIntentForShutdown(
+                this,
+                object : VmLauncherServiceCallback {
+                    override fun onVmStart() {}
 
-                override fun onTerminalAvailable(info: TerminalInfo) {}
+                    override fun onTerminalAvailable(info: TerminalInfo) {}
 
-                override fun onVmStop() {
-                    finish()
+                    override fun onVmStop() {
+                        finish()
 
-                    val intent =
-                        baseContext.packageManager.getLaunchIntentForPackage(
-                            baseContext.packageName
-                        )!!
-                    intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK)
-                    intent.putExtra(MainActivity.KEY_DISK_SIZE, mbToBytes(diskSizeMb))
-                    startActivity(intent)
-                }
+                        val intent =
+                            baseContext.packageManager.getLaunchIntentForPackage(
+                                baseContext.packageName
+                            )!!
+                        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK)
+                        intent.putExtra(MainActivity.EXTRA_DISK_SIZE, mbToBytes(diskSizeMb))
+                        startActivity(intent)
+                    }
 
-                override fun onVmError() {}
-            },
-        )
+                    override fun onVmError() {}
+                },
+            )
+        startService(intent)
     }
 
     fun updateSliderText(sizeMb: Long) {
diff --git a/android/TerminalApp/java/com/android/virtualization/terminal/TerminalTabFragment.kt b/android/TerminalApp/java/com/android/virtualization/terminal/TerminalTabFragment.kt
index 7e78235..a0c6e4e 100644
--- a/android/TerminalApp/java/com/android/virtualization/terminal/TerminalTabFragment.kt
+++ b/android/TerminalApp/java/com/android/virtualization/terminal/TerminalTabFragment.kt
@@ -31,8 +31,9 @@
 import android.webkit.WebSettings
 import android.webkit.WebView
 import android.webkit.WebViewClient
+import android.widget.TextView
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.ViewModelProvider
+import androidx.fragment.app.activityViewModels
 import com.android.system.virtualmachine.flags.Flags.terminalGuiSupport
 import com.android.virtualization.terminal.CertificateUtils.createOrGetKey
 import com.android.virtualization.terminal.CertificateUtils.writeCertificateToFile
@@ -45,7 +46,7 @@
     private lateinit var id: String
     private var certificates: Array<X509Certificate>? = null
     private var privateKey: PrivateKey? = null
-    private lateinit var terminalViewModel: TerminalViewModel
+    private val terminalViewModel: TerminalViewModel by activityViewModels()
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -59,7 +60,6 @@
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        terminalViewModel = ViewModelProvider(this)[TerminalViewModel::class.java]
         terminalView = view.findViewById(R.id.webview)
         bootProgressView = view.findViewById(R.id.boot_progress)
         initializeWebView()
@@ -79,19 +79,46 @@
         terminalView.saveState(outState)
     }
 
+    override fun onResume() {
+        super.onResume()
+        updateFocus()
+    }
+
     private fun initializeWebView() {
         terminalView.settings.databaseEnabled = true
         terminalView.settings.domStorageEnabled = true
         terminalView.settings.javaScriptEnabled = true
         terminalView.settings.cacheMode = WebSettings.LOAD_DEFAULT
 
-        terminalView.webChromeClient = WebChromeClient()
+        terminalView.webChromeClient = TerminalWebChromeClient()
         terminalView.webViewClient = TerminalWebViewClient()
 
         (activity as MainActivity).modifierKeysController.addTerminalView(terminalView)
         terminalViewModel.terminalViews.add(terminalView)
     }
 
+    private inner class TerminalWebChromeClient : WebChromeClient() {
+        override fun onReceivedTitle(view: WebView?, title: String?) {
+            super.onReceivedTitle(view, title)
+            title?.let { originalTitle ->
+                val ttydSuffix = " | login -f droid (localhost)"
+                val displayedTitle =
+                    if (originalTitle.endsWith(ttydSuffix)) {
+                        // When the session is created. The format of the title will be
+                        // 'droid@localhost: ~ | login -f droid (localhost)'.
+                        originalTitle.dropLast(ttydSuffix.length)
+                    } else {
+                        originalTitle
+                    }
+
+                terminalViewModel.terminalTabs[id]
+                    ?.customView
+                    ?.findViewById<TextView>(R.id.tab_title)
+                    ?.text = displayedTitle
+            }
+        }
+    }
+
     private inner class TerminalWebViewClient : WebViewClient() {
         private var loadFailed = false
         private var requestId: Long = 0
@@ -148,6 +175,7 @@
                             terminalView.visibility = View.VISIBLE
                             terminalView.mapTouchToMouseEvent()
                             updateMainActivity()
+                            updateFocus()
                         }
                     }
                 },
@@ -189,6 +217,12 @@
         certificates = arrayOf<X509Certificate>(pke.certificate as X509Certificate)
     }
 
+    private fun updateFocus() {
+        if (terminalViewModel.selectedTabViewId == id) {
+            terminalView.requestFocus()
+        }
+    }
+
     companion object {
         const val TAG: String = "VmTerminalApp"
     }
diff --git a/android/TerminalApp/java/com/android/virtualization/terminal/TerminalViewModel.kt b/android/TerminalApp/java/com/android/virtualization/terminal/TerminalViewModel.kt
index 4a69f75..dd40143 100644
--- a/android/TerminalApp/java/com/android/virtualization/terminal/TerminalViewModel.kt
+++ b/android/TerminalApp/java/com/android/virtualization/terminal/TerminalViewModel.kt
@@ -16,7 +16,10 @@
 package com.android.virtualization.terminal
 
 import androidx.lifecycle.ViewModel
+import com.google.android.material.tabs.TabLayout.Tab
 
 class TerminalViewModel : ViewModel() {
     val terminalViews: MutableSet<TerminalView> = mutableSetOf()
+    var selectedTabViewId: String? = null
+    val terminalTabs: MutableMap<String, Tab> = mutableMapOf()
 }
diff --git a/android/TerminalApp/java/com/android/virtualization/terminal/VmLauncherService.kt b/android/TerminalApp/java/com/android/virtualization/terminal/VmLauncherService.kt
index 01528bb..067d540 100644
--- a/android/TerminalApp/java/com/android/virtualization/terminal/VmLauncherService.kt
+++ b/android/TerminalApp/java/com/android/virtualization/terminal/VmLauncherService.kt
@@ -15,7 +15,6 @@
  */
 package com.android.virtualization.terminal
 
-import android.app.ForegroundServiceStartNotAllowedException
 import android.app.Notification
 import android.app.NotificationManager
 import android.app.PendingIntent
@@ -39,9 +38,10 @@
 import android.system.virtualmachine.VirtualMachineException
 import android.util.Log
 import android.widget.Toast
+import androidx.annotation.WorkerThread
 import com.android.system.virtualmachine.flags.Flags
+import com.android.virtualization.terminal.MainActivity.Companion.PREFIX
 import com.android.virtualization.terminal.MainActivity.Companion.TAG
-import com.android.virtualization.terminal.Runner.Companion.create
 import io.grpc.Grpc
 import io.grpc.InsecureServerCredentials
 import io.grpc.Metadata
@@ -63,7 +63,11 @@
 import java.util.concurrent.TimeUnit
 
 class VmLauncherService : Service() {
-    private lateinit var executorService: ExecutorService
+    // Thread pool
+    private lateinit var bgThreads: ExecutorService
+    // Single thread
+    private lateinit var mainWorkerThread: ExecutorService
+    private lateinit var image: InstalledImage
 
     // TODO: using lateinit for some fields to avoid null
     private var virtualMachine: VirtualMachine? = null
@@ -88,81 +92,94 @@
 
     override fun onCreate() {
         super.onCreate()
-        executorService = Executors.newCachedThreadPool(TerminalThreadFactory(applicationContext))
+        val threadFactory = TerminalThreadFactory(getApplicationContext())
+        bgThreads = Executors.newCachedThreadPool(threadFactory)
+        mainWorkerThread = Executors.newSingleThreadExecutor(threadFactory)
+        image = InstalledImage.getDefault(this)
     }
 
     override fun onStartCommand(intent: Intent, flags: Int, startId: Int): Int {
         val resultReceiver =
-            intent.getParcelableExtra<ResultReceiver?>(
+            intent.getParcelableExtra<ResultReceiver>(
                 Intent.EXTRA_RESULT_RECEIVER,
                 ResultReceiver::class.java,
-            )
+            )!!
 
-        if (intent.action == ACTION_SHUTDOWN_VM) {
-            if (debianService != null && debianService!!.shutdownDebian()) {
-                // During shutdown, change the notification content to indicate that it's closing
-                val notification = createNotificationForTerminalClose()
-                getSystemService<NotificationManager?>(NotificationManager::class.java)
-                    .notify(this.hashCode(), notification)
-                runner?.exitStatus?.thenAcceptAsync { success: Boolean ->
-                    resultReceiver?.send(if (success) RESULT_STOP else RESULT_ERROR, null)
-                    stopSelf()
-                }
-            } else {
-                // If there is no Debian service or it fails to shutdown, just stop the service.
+        when (intent.action) {
+            ACTION_START_VM -> {
+                val notification =
+                    intent.getParcelableExtra<Notification>(
+                        EXTRA_NOTIFICATION,
+                        Notification::class.java,
+                    )!!
+
+                val displayInfo =
+                    intent.getParcelableExtra(EXTRA_DISPLAY_INFO, DisplayInfo::class.java)!!
+
+                // Note: this doesn't always do the resizing. If the current image size is the same
+                // as the requested size which is rounded up to the page alignment, resizing is not
+                // done.
+                val diskSize = intent.getLongExtra(EXTRA_DISK_SIZE, image.getSize())
+
+                mainWorkerThread.submit({
+                    doStart(notification, displayInfo, diskSize, resultReceiver)
+                })
+
+                // Do this outside of the main worker thread, so that we don't cause
+                // ForegroundServiceDidNotStartInTimeException
+                startForeground(this.hashCode(), notification)
+            }
+            ACTION_SHUTDOWN_VM -> mainWorkerThread.submit({ doShutdown(resultReceiver) })
+            else -> {
+                Log.e(TAG, "Unknown command " + intent.action)
                 stopSelf()
             }
-            return START_NOT_STICKY
-        }
-        if (virtualMachine != null) {
-            Log.d(TAG, "VM instance is already started")
-            return START_NOT_STICKY
         }
 
+        return START_NOT_STICKY
+    }
+
+    @WorkerThread
+    private fun doStart(
+        notification: Notification,
+        displayInfo: DisplayInfo,
+        diskSize: Long,
+        resultReceiver: ResultReceiver,
+    ) {
         val image = InstalledImage.getDefault(this)
         val json = ConfigJson.from(this, image.configPath)
         val configBuilder = json.toConfigBuilder(this)
         val customImageConfigBuilder = json.toCustomImageConfigBuilder(this)
-        val displaySize = intent.getParcelableExtra(EXTRA_DISPLAY_INFO, DisplayInfo::class.java)
-
-        // Note: this doesn't always do the resizing. If the current image size is the same as the
-        // requested size which is rounded up to the page alignment, resizing is not done.
-        val diskSize = intent.getLongExtra(EXTRA_DISK_SIZE, image.getSize())
         image.resize(diskSize)
 
         customImageConfigBuilder.setAudioConfig(
             AudioConfig.Builder().setUseSpeaker(true).setUseMicrophone(true).build()
         )
-        if (overrideConfigIfNecessary(customImageConfigBuilder, displaySize)) {
+        if (overrideConfigIfNecessary(customImageConfigBuilder, displayInfo)) {
             configBuilder.setCustomImageConfig(customImageConfigBuilder.build())
         }
         val config = configBuilder.build()
 
         runner =
             try {
-                create(this, config)
+                Runner.create(this, config)
             } catch (e: VirtualMachineException) {
                 throw RuntimeException("cannot create runner", e)
             }
 
-        virtualMachine = runner!!.vm
-        val mbc = MemBalloonController(this, virtualMachine!!)
+        val virtualMachine = runner!!.vm
+        val mbc = MemBalloonController(this, virtualMachine)
         mbc.start()
 
         runner!!.exitStatus.thenAcceptAsync { success: Boolean ->
             mbc.stop()
-            resultReceiver?.send(if (success) RESULT_STOP else RESULT_ERROR, null)
+            resultReceiver.send(if (success) RESULT_STOP else RESULT_ERROR, null)
             stopSelf()
         }
-        val logDir = getFileStreamPath(virtualMachine!!.name + ".log").toPath()
-        Logger.setup(virtualMachine!!, logDir, executorService)
+        val logDir = getFileStreamPath(virtualMachine.name + ".log").toPath()
+        Logger.setup(virtualMachine, logDir, bgThreads)
 
-        val notification =
-            intent.getParcelableExtra<Notification?>(EXTRA_NOTIFICATION, Notification::class.java)
-
-        startForeground(this.hashCode(), notification)
-
-        resultReceiver!!.send(RESULT_START, null)
+        resultReceiver.send(RESULT_START, null)
 
         portNotifier = PortNotifier(this)
 
@@ -174,22 +191,20 @@
                     val bundle = Bundle()
                     bundle.putString(KEY_TERMINAL_IPADDRESS, ipAddress)
                     bundle.putInt(KEY_TERMINAL_PORT, port)
-                    resultReceiver!!.send(RESULT_TERMINAL_AVAIL, bundle)
+                    resultReceiver.send(RESULT_TERMINAL_AVAIL, bundle)
                     startDebianServer(ipAddress)
                 },
-                executorService,
+                bgThreads,
             )
             .exceptionallyAsync(
                 { e ->
                     Log.e(TAG, "Failed to start VM", e)
-                    resultReceiver!!.send(RESULT_ERROR, null)
+                    resultReceiver.send(RESULT_ERROR, null)
                     stopSelf()
                     null
                 },
-                executorService,
+                bgThreads,
             )
-
-        return START_NOT_STICKY
     }
 
     private fun getTerminalServiceInfo(): CompletableFuture<NsdServiceInfo> {
@@ -355,7 +370,7 @@
             return
         }
 
-        executorService.execute(
+        bgThreads.execute(
             Runnable {
                 // TODO(b/373533555): we can use mDNS for that.
                 val debianServicePortFile = File(filesDir, "debian_service_port")
@@ -374,23 +389,24 @@
         }
     }
 
-    override fun onDestroy() {
-        portNotifier?.stop()
-        getSystemService<NotificationManager?>(NotificationManager::class.java).cancelAll()
-        stopDebianServer()
-        if (virtualMachine != null) {
-            if (virtualMachine!!.getStatus() == VirtualMachine.STATUS_RUNNING) {
-                try {
-                    virtualMachine!!.stop()
-                    stopForeground(STOP_FOREGROUND_REMOVE)
-                } catch (e: VirtualMachineException) {
-                    Log.e(TAG, "failed to stop a VM instance", e)
-                }
+    @WorkerThread
+    private fun doShutdown(resultReceiver: ResultReceiver?) {
+        stopForeground(STOP_FOREGROUND_REMOVE)
+        if (debianService != null && debianService!!.shutdownDebian()) {
+            // During shutdown, change the notification content to indicate that it's closing
+            val notification = createNotificationForTerminalClose()
+            getSystemService<NotificationManager?>(NotificationManager::class.java)
+                .notify(this.hashCode(), notification)
+            runner?.exitStatus?.thenAcceptAsync { success: Boolean ->
+                resultReceiver?.send(if (success) RESULT_STOP else RESULT_ERROR, null)
+                stopSelf()
             }
-            virtualMachine = null
+            runner = null
+        } else {
+            // If there is no Debian service or it fails to shutdown, just stop the service.
+            runner?.vm?.stop()
+            stopSelf()
         }
-        executorService.shutdownNow()
-        super.onDestroy()
     }
 
     private fun stopDebianServer() {
@@ -399,13 +415,27 @@
         server?.shutdown()
     }
 
+    override fun onDestroy() {
+        mainWorkerThread.submit({
+            if (runner?.vm?.getStatus() == VirtualMachine.STATUS_RUNNING) {
+                doShutdown(null)
+            }
+        })
+        portNotifier?.stop()
+        getSystemService<NotificationManager?>(NotificationManager::class.java).cancelAll()
+        stopDebianServer()
+        bgThreads.shutdownNow()
+        mainWorkerThread.shutdown()
+        super.onDestroy()
+    }
+
     companion object {
-        private const val EXTRA_NOTIFICATION = "EXTRA_NOTIFICATION"
-        private const val ACTION_START_VM_LAUNCHER_SERVICE =
-            "android.virtualization.START_VM_LAUNCHER_SERVICE"
-        const val EXTRA_DISPLAY_INFO = "EXTRA_DISPLAY_INFO"
-        const val EXTRA_DISK_SIZE = "EXTRA_DISK_SIZE"
-        const val ACTION_SHUTDOWN_VM: String = "android.virtualization.ACTION_SHUTDOWN_VM"
+        private const val ACTION_START_VM: String = PREFIX + "ACTION_START_VM"
+        private const val EXTRA_NOTIFICATION = PREFIX + "EXTRA_NOTIFICATION"
+        private const val EXTRA_DISPLAY_INFO = PREFIX + "EXTRA_DISPLAY_INFO"
+        private const val EXTRA_DISK_SIZE = PREFIX + "EXTRA_DISK_SIZE"
+
+        private const val ACTION_SHUTDOWN_VM: String = PREFIX + "ACTION_SHUTDOWN_VM"
 
         private const val RESULT_START = 0
         private const val RESULT_STOP = 1
@@ -428,24 +458,11 @@
                 }
             }()
 
-        private fun getMyIntent(context: Context): Intent {
-            return Intent(context.getApplicationContext(), VmLauncherService::class.java)
-        }
-
-        fun run(
-            context: Context,
-            callback: VmLauncherServiceCallback?,
-            notification: Notification?,
-            displayInfo: DisplayInfo,
-            diskSize: Long?,
-        ): Result<Unit> {
-            val i = getMyIntent(context)
-            val resultReceiver: ResultReceiver =
+        private fun prepareIntent(context: Context, callback: VmLauncherServiceCallback): Intent {
+            val intent = Intent(context.getApplicationContext(), VmLauncherService::class.java)
+            val resultReceiver =
                 object : ResultReceiver(Handler(Looper.myLooper()!!)) {
                     override fun onReceiveResult(resultCode: Int, resultData: Bundle?) {
-                        if (callback == null) {
-                            return
-                        }
                         when (resultCode) {
                             RESULT_START -> callback.onVmStart()
                             RESULT_TERMINAL_AVAIL -> {
@@ -455,46 +472,42 @@
                             }
                             RESULT_STOP -> callback.onVmStop()
                             RESULT_ERROR -> callback.onVmError()
+                            else -> Log.e(TAG, "unknown result code: " + resultCode)
                         }
                     }
                 }
-            i.putExtra(Intent.EXTRA_RESULT_RECEIVER, getResultReceiverForIntent(resultReceiver))
+
+            val parcel = Parcel.obtain()
+            resultReceiver.writeToParcel(parcel, 0)
+            parcel.setDataPosition(0)
+            intent.putExtra(
+                Intent.EXTRA_RESULT_RECEIVER,
+                ResultReceiver.CREATOR.createFromParcel(parcel).also { parcel.recycle() },
+            )
+            return intent
+        }
+
+        fun getIntentForStart(
+            context: Context,
+            callback: VmLauncherServiceCallback,
+            notification: Notification?,
+            displayInfo: DisplayInfo,
+            diskSize: Long?,
+        ): Intent {
+            val i = prepareIntent(context, callback)
+            i.setAction(ACTION_START_VM)
             i.putExtra(EXTRA_NOTIFICATION, notification)
             i.putExtra(EXTRA_DISPLAY_INFO, displayInfo)
             if (diskSize != null) {
                 i.putExtra(EXTRA_DISK_SIZE, diskSize)
             }
-            return try {
-                context.startForegroundService(i)
-                Result.success(Unit)
-            } catch (e: ForegroundServiceStartNotAllowedException) {
-                Result.failure<Unit>(e)
-            }
+            return i
         }
 
-        private fun getResultReceiverForIntent(r: ResultReceiver): ResultReceiver {
-            val parcel = Parcel.obtain()
-            r.writeToParcel(parcel, 0)
-            parcel.setDataPosition(0)
-            return ResultReceiver.CREATOR.createFromParcel(parcel).also { parcel.recycle() }
-        }
-
-        fun stop(context: Context, callback: VmLauncherServiceCallback?) {
-            val i = getMyIntent(context)
+        fun getIntentForShutdown(context: Context, callback: VmLauncherServiceCallback): Intent {
+            val i = prepareIntent(context, callback)
             i.setAction(ACTION_SHUTDOWN_VM)
-            val resultReceiver: ResultReceiver =
-                object : ResultReceiver(Handler(Looper.myLooper()!!)) {
-                    override fun onReceiveResult(resultCode: Int, resultData: Bundle?) {
-                        if (callback == null) {
-                            return
-                        }
-                        when (resultCode) {
-                            RESULT_STOP -> callback.onVmStop()
-                        }
-                    }
-                }
-            i.putExtra(Intent.EXTRA_RESULT_RECEIVER, getResultReceiverForIntent(resultReceiver))
-            context.startService(i)
+            return i
         }
     }
 }
diff --git a/android/TerminalApp/res/layout/tabitem_terminal.xml b/android/TerminalApp/res/layout/tabitem_terminal.xml
index 92e3802..9eba163 100644
--- a/android/TerminalApp/res/layout/tabitem_terminal.xml
+++ b/android/TerminalApp/res/layout/tabitem_terminal.xml
@@ -25,7 +25,7 @@
       android:layout_alignParentStart="true"
       android:layout_alignParentTop="true"
       android:layout_toStartOf="@id/tab_close_button"
-      android:gravity="center"
+      android:gravity="center_vertical"
       android:padding="8dp"
       android:text="@string/tab_default_title"/>
 
diff --git a/build/debian/fai_config/scripts/AVF/20-useradd b/build/debian/fai_config/scripts/AVF/20-useradd
index b92648a..2289a2a 100755
--- a/build/debian/fai_config/scripts/AVF/20-useradd
+++ b/build/debian/fai_config/scripts/AVF/20-useradd
@@ -2,3 +2,7 @@
 
 $ROOTCMD useradd -m -u 1000 -N -G sudo,video,render -s /usr/bin/bash droid
 $ROOTCMD echo 'droid ALL=(ALL) NOPASSWD:ALL' >> $target/etc/sudoers
+$ROOTCMD cat >> $target/home/droid/.bashrc <<EOF
+# Show title of current running command
+trap 'echo -ne "\e]0;\$BASH_COMMAND\007"' DEBUG
+EOF
diff --git a/guest/microdroid_manager/microdroid_manager.rc b/guest/microdroid_manager/microdroid_manager.rc
index 9fa8a9d..48cc6d7 100644
--- a/guest/microdroid_manager/microdroid_manager.rc
+++ b/guest/microdroid_manager/microdroid_manager.rc
@@ -8,6 +8,7 @@
     # CAP_SYS_BOOT is required to exec kexecload from microdroid_manager
     # CAP_SETPCAP is required to allow microdroid_manager to drop capabilities
     #   before executing the payload
-    capabilities AUDIT_CONTROL SYS_ADMIN SYS_BOOT SETPCAP SETUID SETGID
+    # CAP_SYS_NICE is required for microdroid_manager to adjust priority of the payload
+    capabilities AUDIT_CONTROL SYS_ADMIN SYS_BOOT SETPCAP SETUID SETGID SYS_NICE
     user root
     socket vm_payload_service stream 0666 system system
diff --git a/guest/microdroid_manager/src/main.rs b/guest/microdroid_manager/src/main.rs
index 4537834..a95bcb2 100644
--- a/guest/microdroid_manager/src/main.rs
+++ b/guest/microdroid_manager/src/main.rs
@@ -710,7 +710,21 @@
     info!("notifying payload started");
     service.notifyPayloadStarted()?;
 
-    let exit_status = command.spawn()?.wait()?;
+    let mut payload_process = command.spawn().context("failed to spawn payload process")?;
+    info!("payload pid = {:?}", payload_process.id());
+
+    // SAFETY: setpriority doesn't take any pointers
+    unsafe {
+        let ret = libc::setpriority(libc::PRIO_PROCESS, payload_process.id(), -20);
+        if ret != 0 {
+            error!(
+                "failed to adjust priority of the payload: {:#?}",
+                std::io::Error::last_os_error()
+            );
+        }
+    }
+
+    let exit_status = payload_process.wait()?;
     match exit_status.code() {
         Some(exit_code) => Ok(exit_code),
         None => Err(match exit_status.signal() {