android: hide Accounts if VPN not prepared (#402)

Updates tailscale/tailscale#12148

Signed-off-by: kari-ts <kari@tailscale.com>

android/src/main/java/com/tailscale/ipn/ui/view/SettingsView.kt

@@ -44,6 +44,7 @@ fun SettingsView(settingsNav: SettingsNav, viewModel: SettingsViewModel = viewMo
   val managedByOrganization = viewModel.managedByOrganization.collectAsState().value
   val tailnetLockEnabled = viewModel.tailNetLockEnabled.collectAsState().value
   val corpDNSEnabled = viewModel.corpDNSEnabled.collectAsState().value
+  val isVPNPrepared = viewModel.vpnPrepared.collectAsState().value
 
   val showTailnetLock = MDMSettings.manageTailnetLock.flow.collectAsState().value
 
@@ -52,10 +53,12 @@ fun SettingsView(settingsNav: SettingsNav, viewModel: SettingsViewModel = viewMo
         Header(titleRes = R.string.settings_title, onBack = settingsNav.onNavigateBackHome)
       }) { innerPadding ->
         Column(modifier = Modifier.padding(innerPadding).verticalScroll(rememberScrollState())) {
-          UserView(
-              profile = user,
-              actionState = UserActionState.NAV,
-              onClick = settingsNav.onNavigateToUserSwitcher)
+          if (isVPNPrepared){
+            UserView(
+                profile = user,
+                actionState = UserActionState.NAV,
+                onClick = settingsNav.onNavigateToUserSwitcher)
+          }
 
           if (isAdmin) {
             Lists.ItemDivider()

android/src/main/java/com/tailscale/ipn/ui/viewModel/IpnViewModel.kt

@@ -29,6 +29,8 @@ open class IpnViewModel : ViewModel() {
 
   val loggedInUser: StateFlow<IpnLocal.LoginProfile?> = MutableStateFlow(null)
   val loginProfiles: StateFlow<List<IpnLocal.LoginProfile>?> = MutableStateFlow(null)
+  private val _vpnPrepared = MutableStateFlow(false)
+  val vpnPrepared: StateFlow<Boolean> = _vpnPrepared
 
   // The userId associated with the current node. ie: The logged in user.
   private var selfNodeUserId: UserID? = null
@@ -59,11 +61,15 @@ open class IpnViewModel : ViewModel() {
   }
 
   // VPN Control
+  fun setVpnPrepared(prepared: Boolean) {
+    _vpnPrepared.value = prepared
+  }
+
   fun startVPN() {
     UninitializedApp.get().startVPN()
   }
 
- fun stopVPN() {
+  fun stopVPN() {
     UninitializedApp.get().stopVPN()
   }
 

android/src/main/java/com/tailscale/ipn/ui/viewModel/MainViewModel.kt

@@ -33,9 +33,7 @@ class MainViewModel : IpnViewModel() {
   private val _vpnToggleState = MutableStateFlow(false)
   val vpnToggleState: StateFlow<Boolean> = _vpnToggleState
 
-  // Whether or not the VPN has been prepared
-  private val _vpnPrepared = MutableStateFlow(false)
-  val vpnPrepared: StateFlow<Boolean> = _vpnPrepared
+  // Permission to prepare VPN
   private var vpnPermissionLauncher: ActivityResultLauncher<Intent>? = null
 
   // The list of peers
@@ -131,10 +129,6 @@ class MainViewModel : IpnViewModel() {
   fun setVpnPermissionLauncher(launcher: ActivityResultLauncher<Intent>) {
     vpnPermissionLauncher = launcher
   }
-
-  fun setVpnPrepared(prepared: Boolean) {
-    _vpnPrepared.value = prepared
-  }
 }
 
 private fun userStringRes(currentState: State?, previousState: State?, vpnPrepared: Boolean): Int {