Add some support links for numberless flows.

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/account/AccountSettingsFragment.kt

@@ -25,7 +25,6 @@ import org.signal.appsettings.account.AccountSettingsScreen
 import org.signal.core.ui.compose.CollectActions
 import org.signal.core.ui.compose.ComposeFragment
 import org.signal.core.util.ServiceUtil
-import org.signal.core.util.logging.Log
 import org.thoughtcrime.securesms.R
 import org.thoughtcrime.securesms.components.compose.BiometricsAuthentication
 import org.thoughtcrime.securesms.components.compose.rememberBiometricsAuthentication
@@ -33,6 +32,7 @@ import org.thoughtcrime.securesms.components.settings.app.account.authenticator.
 import org.thoughtcrime.securesms.dependencies.AppDependencies
 import org.thoughtcrime.securesms.lock.v2.CreateSvrPinActivity
 import org.thoughtcrime.securesms.registration.ui.RegistrationActivity
+import org.thoughtcrime.securesms.util.CommunicationActions
 import org.thoughtcrime.securesms.util.PlayStoreUtil
 import org.thoughtcrime.securesms.util.navigation.safeNavigate
 import org.signal.appsettings.R as AppSettingsR
@@ -43,10 +43,6 @@ import org.signal.appsettings.R as AppSettingsR
  */
 class AccountSettingsFragment : ComposeFragment() {
 
-  companion object {
-    private val TAG = Log.tag(AccountSettingsFragment::class)
-  }
-
   private val viewModel: AccountSettingsViewModel by viewModels()
 
   private lateinit var pinFlowLauncher: ActivityResultLauncher<Intent>
@@ -117,8 +113,7 @@ class AccountSettingsFragment : ComposeFragment() {
       AccountSettingsAction.ShowAuthenticationFailed -> toast(AppSettingsR.string.AccountSettingsFragment__authentication_required)
       AccountSettingsAction.ShowTotpAppRemoved -> toast(AppSettingsR.string.AccountSettingsFragment__authenticator_app_removed)
       AccountSettingsAction.ShowTotpAppRemovalFailed -> toast(AppSettingsR.string.AccountSettingsFragment__couldnt_remove_authenticator_app)
-      // TODO Open the two-factor authentication support article once one exists.
-      AccountSettingsAction.OpenLearnMore -> Log.w(TAG, "There's no support article to open yet.")
+      is AccountSettingsAction.OpenSupportArticle -> CommunicationActions.openBrowserLink(requireContext(), action.url)
       AccountSettingsAction.NavigateToAdvancedPinSettings -> findNavController().safeNavigate(R.id.action_accountSettingsFragment_to_advancedPinSettingsActivity)
       AccountSettingsAction.NavigateToChangePhoneNumber -> findNavController().safeNavigate(R.id.action_accountSettingsFragment_to_changePhoneNumberFragment)
       AccountSettingsAction.NavigateToDeviceTransfer -> findNavController().safeNavigate(R.id.action_accountSettingsFragment_to_oldDeviceTransferActivity)

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/account/AccountSettingsViewModel.kt

@@ -91,8 +91,8 @@ class AccountSettingsViewModel(
       AccountSettingsEvent.AddTotpAppClicked -> {
         applyAddTotpAppClicked()
       }
-      AccountSettingsEvent.LearnMoreClicked -> {
-        _actions.send(AccountSettingsAction.OpenLearnMore)
+      is AccountSettingsEvent.LearnMoreClicked -> {
+        _actions.send(AccountSettingsAction.OpenSupportArticle(event.url))
       }
       is AccountSettingsEvent.RenameMethodClicked -> {
         applyRenameMethodClicked(event.method)

app/src/test/java/org/thoughtcrime/securesms/components/settings/app/account/AccountSettingsViewModelTest.kt

@@ -540,9 +540,9 @@ class AccountSettingsViewModelTest {
     val viewModel = createViewModel()
     val actions = collectActions(viewModel.actions)
 
-    viewModel.onEvent(AccountSettingsEvent.LearnMoreClicked)
+    viewModel.onEvent(AccountSettingsEvent.LearnMoreClicked("https://support.signal.org/hc/articles/11228705649690"))
 
-    assertThat(actions.last()).isEqualTo(AccountSettingsAction.OpenLearnMore)
+    assertThat(actions.last()).isEqualTo(AccountSettingsAction.OpenSupportArticle("https://support.signal.org/hc/articles/11228705649690"))
   }
 
   @Test

feature/app-settings/src/main/java/org/signal/appsettings/account/AccountSettingsAction.kt

@@ -51,8 +51,8 @@ sealed interface AccountSettingsAction {
   /** Tell the user the removal didn't go through, so they know the app is still on the account. */
   data object ShowTotpAppRemovalFailed : AccountSettingsAction
 
-  /** Send the user to a support article about two-factor authentication. */
-  data object OpenLearnMore : AccountSettingsAction
+  /** Send the user to the support article at [url]. */
+  data class OpenSupportArticle(val url: String) : AccountSettingsAction
 
   /** Open the advanced PIN settings screen. */
   data object NavigateToAdvancedPinSettings : AccountSettingsAction

feature/app-settings/src/main/java/org/signal/appsettings/account/AccountSettingsEvent.kt

@@ -51,8 +51,8 @@ sealed interface AccountSettingsEvent {
   /** The user tapped the authenticator app option in the two-factor set-up menu. */
   data object AddTotpAppClicked : AccountSettingsEvent
 
-  /** The user tapped the learn more link on the dialog explaining the authenticator app limit. */
-  data object LearnMoreClicked : AccountSettingsEvent
+  /** The user tapped a learn more link that should open the support article at [url]. */
+  data class LearnMoreClicked(val url: String) : AccountSettingsEvent
 
   /** The user tapped the rename option in [method]'s overflow menu. */
   data class RenameMethodClicked(val method: TwoFactorMethod) : AccountSettingsEvent

feature/app-settings/src/main/java/org/signal/appsettings/account/AccountSettingsScreen.kt

@@ -43,12 +43,14 @@ import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.res.dimensionResource
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.LinkAnnotation
 import androidx.compose.ui.text.SpanStyle
+import androidx.compose.ui.text.TextLinkStyles
 import androidx.compose.ui.text.buildAnnotatedString
 import androidx.compose.ui.text.input.ImeAction
 import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.text.style.TextAlign
-import androidx.compose.ui.text.withStyle
+import androidx.compose.ui.text.withLink
 import androidx.compose.ui.unit.dp
 import org.signal.appsettings.R
 import org.signal.appsettings.account.AccountSettingsState.Dialog
@@ -73,6 +75,7 @@ import org.signal.core.ui.R as CoreUiR
 object AccountSettingsTestTags {
   const val SCROLLER = "scroller"
   const val CARD_SIGNAL_LOGIN = "card-signal-login"
+  const val LINK_SIGNAL_LOGIN_LEARN_MORE = "link-signal-login-learn-more"
   const val ROW_SET_UP_TWO_FACTOR = "row-set-up-two-factor"
   const val MENU_ITEM_AUTHENTICATOR_APP = "menu-item-authenticator-app"
   const val ROW_TWO_FACTOR_METHOD = "row-two-factor-method"
@@ -81,6 +84,7 @@ object AccountSettingsTestTags {
   const val MENU_ITEM_REMOVE = "menu-item-remove"
   const val TWO_FACTOR_LOADING = "two-factor-loading"
   const val TWO_FACTOR_LOAD_FAILED_MESSAGE = "two-factor-load-failed-message"
+  const val LINK_TWO_FACTOR_LEARN_MORE = "link-two-factor-learn-more"
   const val ROW_MODIFY_PIN = "row-modify-pin"
   const val ROW_PIN_REMINDER = "row-pin-reminder"
   const val ROW_REGISTRATION_LOCK = "row-registration-lock"
@@ -139,7 +143,12 @@ fun AccountSettingsScreen(
         }
 
         item {
-          SectionFooter(text = stringResource(R.string.AccountSettingsFragment__your_signal_login_is_used_to_recover))
+          SectionFooter(
+            text = stringResource(R.string.AccountSettingsFragment__your_signal_login_is_used_to_recover),
+            url = "https://support.signal.org/hc/articles/11197884108826",
+            onEvent = onEvent,
+            modifier = Modifier.testTag(AccountSettingsTestTags.LINK_SIGNAL_LOGIN_LEARN_MORE)
+          )
         }
 
         item {
@@ -192,7 +201,12 @@ fun AccountSettingsScreen(
         }
 
         item {
-          SectionFooter(text = stringResource(R.string.AccountSettingsFragment__use_a_second_form_of_authentication))
+          SectionFooter(
+            text = stringResource(R.string.AccountSettingsFragment__use_a_second_form_of_authentication),
+            url = "https://support.signal.org/hc/articles/11228705649690",
+            onEvent = onEvent,
+            modifier = Modifier.testTag(AccountSettingsTestTags.LINK_TWO_FACTOR_LEARN_MORE)
+          )
         }
 
         item {
@@ -556,24 +570,28 @@ private fun SignalLoginCard(
 }
 
 /**
- * Explanatory text shown underneath a section, ending in a "Learn more" link that has nowhere to go yet.
+ * Explanatory text shown underneath a section, ending in a "Learn more" link that opens the support article at [url].
  */
 @Composable
 private fun SectionFooter(
   text: String,
+  url: String,
+  onEvent: (AccountSettingsEvent) -> Unit,
   modifier: Modifier = Modifier
 ) {
-  val learnMore = stringResource(R.string.AccountSettingsFragment__learn_more)
-  val primaryColor = MaterialTheme.colorScheme.primary
-
   Text(
-    text = remember(text, learnMore, primaryColor) {
-      buildAnnotatedString {
-        append(text)
-        append(" ")
-        withStyle(SpanStyle(color = primaryColor)) {
-          append(learnMore)
-        }
+    text = buildAnnotatedString {
+      append(text)
+      append(" ")
+
+      withLink(
+        LinkAnnotation.Clickable(
+          tag = "learn-more",
+          styles = TextLinkStyles(style = SpanStyle(color = MaterialTheme.colorScheme.primary)),
+          linkInteractionListener = { onEvent(AccountSettingsEvent.LearnMoreClicked(url)) }
+        )
+      ) {
+        append(stringResource(R.string.AccountSettingsFragment__learn_more))
       }
     },
     style = MaterialTheme.typography.bodyMedium,
@@ -625,7 +643,7 @@ private fun MaxTotpAppsReachedDialog(
     onConfirm = {},
     onDismiss = { onEvent(AccountSettingsEvent.DialogDismissed) },
     dismiss = stringResource(R.string.AccountSettingsFragment__learn_more),
-    onDeny = { onEvent(AccountSettingsEvent.LearnMoreClicked) },
+    onDeny = { onEvent(AccountSettingsEvent.LearnMoreClicked("https://support.signal.org/hc/articles/11228705649690")) },
     onDismissRequest = { onEvent(AccountSettingsEvent.DialogDismissed) },
     modifier = Modifier.testTag(AccountSettingsTestTags.DIALOG_MAX_TOTP_APPS_REACHED)
   )

feature/app-settings/src/test/java/org/signal/appsettings/account/AccountSettingsScreenTest.kt

@@ -7,6 +7,7 @@ package org.signal.appsettings.account
 
 import android.app.Application
 import android.text.format.DateUtils
+import androidx.compose.ui.semantics.SemanticsActions
 import androidx.compose.ui.test.assertHasClickAction
 import androidx.compose.ui.test.assertIsDisplayed
 import androidx.compose.ui.test.assertIsEnabled
@@ -15,10 +16,13 @@ import androidx.compose.ui.test.hasTestTag
 import androidx.compose.ui.test.hasText
 import androidx.compose.ui.test.junit4.createComposeRule
 import androidx.compose.ui.test.onAllNodesWithTag
+import androidx.compose.ui.test.onChildren
+import androidx.compose.ui.test.onFirst
 import androidx.compose.ui.test.onNodeWithTag
 import androidx.compose.ui.test.onNodeWithText
 import androidx.compose.ui.test.performClick
 import androidx.compose.ui.test.performScrollToNode
+import androidx.compose.ui.test.performSemanticsAction
 import assertk.assertThat
 import assertk.assertions.contains
 import org.junit.Rule
@@ -422,10 +426,30 @@ class AccountSettingsScreenTest {
     composeTestRule.onNodeWithTag(AccountSettingsTestTags.DIALOG_MAX_TOTP_APPS_REACHED).assertIsDisplayed()
     composeTestRule.onNodeWithTag(Dialogs.TEST_TAG_ALERT_DIALOG_DISMISS_BUTTON).performClick()
 
-    assertThat(events).contains(AccountSettingsEvent.LearnMoreClicked)
+    assertThat(events).contains(AccountSettingsEvent.LearnMoreClicked("https://support.signal.org/hc/articles/11228705649690"))
     assertThat(events).contains(AccountSettingsEvent.DialogDismissed)
   }
 
+  @Test
+  fun whenIClickTheSignalLoginLearnMore_thenIExpectLearnMoreForTheSignalLoginArticle() {
+    setContent(createState(signalLogin = signalLogin()))
+
+    scrollTo(AccountSettingsTestTags.LINK_SIGNAL_LOGIN_LEARN_MORE)
+    clickLink(AccountSettingsTestTags.LINK_SIGNAL_LOGIN_LEARN_MORE)
+
+    assertThat(events).contains(AccountSettingsEvent.LearnMoreClicked("https://support.signal.org/hc/articles/11197884108826"))
+  }
+
+  @Test
+  fun whenIClickTheTwoFactorLearnMore_thenIExpectLearnMoreForTheTwoFactorArticle() {
+    setContent(createState(signalLogin = signalLogin()))
+
+    scrollTo(AccountSettingsTestTags.LINK_TWO_FACTOR_LEARN_MORE)
+    clickLink(AccountSettingsTestTags.LINK_TWO_FACTOR_LEARN_MORE)
+
+    assertThat(events).contains(AccountSettingsEvent.LearnMoreClicked("https://support.signal.org/hc/articles/11228705649690"))
+  }
+
   @Test
   fun whenTheTwoFactorListHasntArrived_thenIExpectASpinnerRatherThanAnEmptyList() {
     setContent(createState(signalLogin = signalLogin(loadState = LoadState.LOADING)))
@@ -478,6 +502,14 @@ class AccountSettingsScreenTest {
     return AccountSettingsState.SignalLogin(twoFactorMethods = twoFactorMethods, loadState = loadState, maxTotpApps = maxTotpApps)
   }
 
+  /** Links inside an [androidx.compose.ui.text.AnnotatedString] have no bounds to tap, so their click action is invoked directly. */
+  private fun clickLink(testTag: String) {
+    composeTestRule.onNodeWithTag(testTag)
+      .onChildren()
+      .onFirst()
+      .performSemanticsAction(SemanticsActions.OnClick)
+  }
+
   private fun scrollTo(testTag: String) {
     composeTestRule.onNodeWithTag(AccountSettingsTestTags.SCROLLER)
       .performScrollToNode(hasTestTag(testTag))

feature/registration/src/main/java/org/signal/registration/RegistrationNavigation.kt

@@ -62,6 +62,7 @@ import org.signal.registration.screens.accountlocked.AccountLockedScreen
 import org.signal.registration.screens.accountlocked.AccountLockedScreenEvents
 import org.signal.registration.screens.accountlocked.AccountLockedState
 import org.signal.registration.screens.addusername.AddUsernameScreen
+import org.signal.registration.screens.addusername.AddUsernameScreenActions
 import org.signal.registration.screens.addusername.AddUsernameViewModel
 import org.signal.registration.screens.aepentry.EnterAepForLocalBackupResult
 import org.signal.registration.screens.aepentry.EnterAepForLocalBackupViewModel
@@ -405,12 +406,8 @@ private const val AEP_FOR_LOCAL_BACKUP_RESULT = "aep_for_local_backup_result"
 private const val LOCAL_BACKUP_RESTORE_RESULT = "local_backup_restore_result"
 private const val PHONE_NUMBER_DISCOVERABILITY_RESULT = "phone_number_discoverability_result"
 private const val TWO_FACTOR_CODE_RESULT = "two_factor_code_result"
-private const val PIN_LEARN_MORE_URL = "https://support.signal.org/hc/articles/360007059792"
 private const val CLIPBOARD_TIMEOUT_SECONDS = 60
 
-// TODO [phonenumberless] Point at the real support article once it exists.
-private const val SIGNAL_LOGIN_LEARN_MORE_URL = "https://support.signal.org/"
-
 /** Opens [url] in a browser, surfacing a toast if the device has none. */
 private fun openUrl(context: Context, url: String) {
   LinkActions.openUrl(context, url) { error ->
@@ -724,7 +721,7 @@ private fun EntryProviderScope<NavKey>.navigationEntries(
     val purchaseScope = rememberCoroutineScope()
     CollectActions(viewModel.actions) { action ->
       when (action) {
-        SignalLoginPaymentScreenActions.OpenLearnMoreArticle -> openUrl(context, SIGNAL_LOGIN_LEARN_MORE_URL)
+        SignalLoginPaymentScreenActions.OpenLearnMoreArticle -> openUrl(context, "https://support.signal.org/hc/articles/11197884108826")
 
         is SignalLoginPaymentScreenActions.LaunchPurchaseFlow -> {
           purchaseScope.launch {
@@ -900,7 +897,7 @@ private fun EntryProviderScope<NavKey>.navigationEntries(
     val context = LocalContext.current
     CollectActions(viewModel.actions) { action ->
       when (action) {
-        SignalLoginCredentialEntryScreenActions.OpenNeedHelpArticle -> openUrl(context, SIGNAL_LOGIN_LEARN_MORE_URL)
+        SignalLoginCredentialEntryScreenActions.OpenNeedHelpArticle -> openUrl(context, "https://support.signal.org/hc/articles/11197884108826")
       }
     }
 
@@ -961,6 +958,12 @@ private fun EntryProviderScope<NavKey>.navigationEntries(
       )
     }
     val state by viewModel.state.collectAsStateWithLifecycle()
+    val context = LocalContext.current
+    CollectActions(viewModel.actions) { action ->
+      when (action) {
+        AddUsernameScreenActions.OpenLearnMoreArticle -> openUrl(context, "https://support.signal.org/hc/articles/6712070553754")
+      }
+    }
 
     AddUsernameScreen(
       state = state,
@@ -998,7 +1001,7 @@ private fun EntryProviderScope<NavKey>.navigationEntries(
     val context = LocalContext.current
     CollectActions(viewModel.actions) { action ->
       when (action) {
-        PinCreationScreenActions.OpenLearnMoreArticle -> openUrl(context, PIN_LEARN_MORE_URL)
+        PinCreationScreenActions.OpenLearnMoreArticle -> openUrl(context, "https://support.signal.org/hc/articles/360007059792")
       }
     }
 

feature/registration/src/main/java/org/signal/registration/screens/addusername/AddUsernameScreen.kt

@@ -115,15 +115,6 @@ fun AddUsernameScreen(
     )
   }
 
-  if (state.dialogs.learnMore) {
-    Dialogs.SimpleMessageDialog(
-      title = stringResource(R.string.AddUsernameScreen__what_is_this_number),
-      message = stringResource(R.string.AddUsernameScreen__these_digits_help_keep),
-      dismiss = stringResource(android.R.string.ok),
-      onDismiss = { onEvent(AddUsernameScreenEvents.LearnMoreDialogDismissed) }
-    )
-  }
-
   Surface(
     modifier = modifier
       .fillMaxSize()

feature/registration/src/main/java/org/signal/registration/screens/addusername/AddUsernameScreenActions.kt

@@ -0,0 +1,11 @@
+/*
+ * Copyright 2026 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.signal.registration.screens.addusername
+
+sealed interface AddUsernameScreenActions {
+  /** Open the article explaining phone number privacy and usernames. */
+  data object OpenLearnMoreArticle : AddUsernameScreenActions
+}

feature/registration/src/main/java/org/signal/registration/screens/addusername/AddUsernameScreenEvents.kt

@@ -37,9 +37,6 @@ sealed class AddUsernameScreenEvents {
   /** The user tapped the "learn more" link under the username field. */
   data object LearnMoreClicked : AddUsernameScreenEvents()
 
-  /** The user dismissed the dialog explaining the digits after the username. */
-  data object LearnMoreDialogDismissed : AddUsernameScreenEvents()
-
   /** The user tapped the skip button, asking to opt out of choosing a username. */
   data object SkipClicked : AddUsernameScreenEvents()
 

feature/registration/src/main/java/org/signal/registration/screens/addusername/AddUsernameState.kt

@@ -58,8 +58,6 @@ data class AddUsernameState(
   }
 
   data class Dialogs(
-    /** Explains what the digits after the username are for. */
-    val learnMore: Boolean = false,
     /** Confirms the user wants to skip choosing a username. */
     val confirmSkip: Boolean = false,
     val networkError: Boolean = false,

feature/registration/src/main/java/org/signal/registration/screens/addusername/AddUsernameViewModel.kt

@@ -10,6 +10,8 @@ import androidx.lifecycle.viewModelScope
 import kotlinx.coroutines.FlowPreview
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.channels.BufferOverflow
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -18,6 +20,7 @@ import kotlinx.coroutines.flow.debounce
 import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
+import kotlinx.coroutines.flow.receiveAsFlow
 import kotlinx.coroutines.launch
 import org.signal.core.ui.compose.EventDrivenViewModel
 import org.signal.core.util.UsernameUtil
@@ -53,6 +56,9 @@ class AddUsernameViewModel(
   private val _state = MutableStateFlow(AddUsernameState())
   val state: StateFlow<AddUsernameState> = _state.asStateFlow()
 
+  private val _actions = Channel<AddUsernameScreenActions>(Channel.BUFFERED)
+  val actions: Flow<AddUsernameScreenActions> = _actions.receiveAsFlow()
+
   private val entryChanges = MutableSharedFlow<AddUsernameScreenEvents.EntrySettled>(extraBufferCapacity = 1, onBufferOverflow = BufferOverflow.DROP_OLDEST)
 
   /** The in-flight reservation request. Only one may be live at a time -- starting a new one cancels the old one. */
@@ -86,8 +92,7 @@ class AddUsernameViewModel(
       is AddUsernameScreenEvents.DiscriminatorChanged -> applyDiscriminatorChanged(state, event.value, stateEmitter)
       is AddUsernameScreenEvents.EntrySettled -> applyEntrySettled(state, event, stateEmitter)
       is AddUsernameScreenEvents.ReservationCompleted -> applyReservationCompleted(state, event, stateEmitter)
-      is AddUsernameScreenEvents.LearnMoreClicked -> stateEmitter(state.copy(dialogs = state.dialogs.copy(learnMore = true)))
-      is AddUsernameScreenEvents.LearnMoreDialogDismissed -> stateEmitter(state.copy(dialogs = state.dialogs.copy(learnMore = false)))
+      is AddUsernameScreenEvents.LearnMoreClicked -> _actions.trySend(AddUsernameScreenActions.OpenLearnMoreArticle)
       is AddUsernameScreenEvents.SkipClicked -> stateEmitter(state.copy(dialogs = state.dialogs.copy(confirmSkip = true)))
       is AddUsernameScreenEvents.SkipConfirmed -> applySkipConfirmed(parentEventEmitter)
       is AddUsernameScreenEvents.SkipDialogDismissed -> stateEmitter(state.copy(dialogs = state.dialogs.copy(confirmSkip = false)))

feature/registration/src/main/res/values/strings.xml

@@ -747,12 +747,8 @@
     <string name="AddUsernameScreen__username">Username</string>
     <!-- Helper text below the username field. Followed by a "learn more" link. -->
     <string name="AddUsernameScreen__usernames_are_always_paired_with_a_set_of_numbers">Usernames are always paired with a set of numbers.</string>
-    <!-- Link in the helper text that opens an explanation of the digits paired with a username. -->
+    <!-- Link in the helper text that opens a support article about usernames. -->
     <string name="AddUsernameScreen__learn_more">Learn more</string>
-    <!-- Title of the dialog explaining the digits paired with a username. -->
-    <string name="AddUsernameScreen__what_is_this_number">What is this number?</string>
-    <!-- Body of the dialog explaining the digits paired with a username. -->
-    <string name="AddUsernameScreen__these_digits_help_keep">These digits help keep your username private so you can avoid unwanted messages. Share your username with only the people and groups you\'d like to chat with. If you change usernames you\'ll get a new set of digits.</string>
     <!-- Button that skips choosing a username. -->
     <string name="AddUsernameScreen__skip">Skip</string>
     <!-- Button that submits the chosen username. -->

feature/registration/src/test/java/org/signal/registration/screens/addusername/AddUsernameViewModelTest.kt

@@ -17,6 +17,7 @@ import io.mockk.coEvery
 import io.mockk.mockk
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.launch
 import kotlinx.coroutines.test.UnconfinedTestDispatcher
 import kotlinx.coroutines.test.advanceUntilIdle
 import kotlinx.coroutines.test.resetMain
@@ -61,16 +62,14 @@ class AddUsernameViewModelTest {
   }
 
   @Test
-  fun `LearnMoreClicked shows the dialog explaining the discriminator`() = runTest(testDispatcher) {
+  fun `LearnMoreClicked emits an action to open the learn more article`() = runTest(testDispatcher) {
+    val actions = mutableListOf<AddUsernameScreenActions>()
+    backgroundScope.launch(testDispatcher) { viewModel.actions.collect { actions.add(it) } }
+
     viewModel.onEvent(AddUsernameScreenEvents.LearnMoreClicked)
     advanceUntilIdle()
 
-    assertThat(viewModel.state.value.dialogs.learnMore).isTrue()
-
-    viewModel.onEvent(AddUsernameScreenEvents.LearnMoreDialogDismissed)
-    advanceUntilIdle()
-
-    assertThat(viewModel.state.value.dialogs.learnMore).isFalse()
+    assertThat(actions).containsExactly(AddUsernameScreenActions.OpenLearnMoreArticle)
   }
 
   @Test