Remove Welcome screen from the FTUE

Keep the screen UI + logic around in case we want to reuse it in the future.

changelog.d/2584.misc

@@ -0,0 +1 @@
+Remove Welcome screen from the FTUE.

features/ftue/impl/src/main/kotlin/io/element/android/features/ftue/impl/FtueFlowNode.kt

@@ -36,7 +36,6 @@ import io.element.android.features.ftue.api.FtueEntryPoint
 import io.element.android.features.ftue.impl.notifications.NotificationsOptInNode
 import io.element.android.features.ftue.impl.state.DefaultFtueState
 import io.element.android.features.ftue.impl.state.FtueStep
-import io.element.android.features.ftue.impl.welcome.WelcomeNode
 import io.element.android.features.lockscreen.api.LockScreenEntryPoint
 import io.element.android.libraries.architecture.BackstackView
 import io.element.android.libraries.architecture.BaseFlowNode
@@ -73,9 +72,6 @@ class FtueFlowNode @AssistedInject constructor(
         @Parcelize
         data object Placeholder : NavTarget
 
-        @Parcelize
-        data object WelcomeScreen : NavTarget
-
         @Parcelize
         data object NotificationsOptIn : NavTarget
 
@@ -110,15 +106,6 @@ class FtueFlowNode @AssistedInject constructor(
             NavTarget.Placeholder -> {
                 createNode<PlaceholderNode>(buildContext)
             }
-            NavTarget.WelcomeScreen -> {
-                val callback = object : WelcomeNode.Callback {
-                    override fun onContinueClicked() {
-                        ftueState.setWelcomeScreenShown()
-                        lifecycleScope.launch { moveToNextStep() }
-                    }
-                }
-                createNode<WelcomeNode>(buildContext, listOf(callback))
-            }
             NavTarget.NotificationsOptIn -> {
                 val callback = object : NotificationsOptInNode.Callback {
                     override fun onNotificationsOptInFinished() {
@@ -146,9 +133,6 @@ class FtueFlowNode @AssistedInject constructor(
 
     private fun moveToNextStep() {
         when (ftueState.getNextStep()) {
-            FtueStep.WelcomeScreen -> {
-                backstack.newRoot(NavTarget.WelcomeScreen)
-            }
             FtueStep.NotificationsOptIn -> {
                 backstack.newRoot(NavTarget.NotificationsOptIn)
             }

features/ftue/impl/src/main/kotlin/io/element/android/features/ftue/impl/state/DefaultFtueState.kt

@@ -21,7 +21,6 @@ import android.os.Build
 import androidx.annotation.VisibleForTesting
 import com.squareup.anvil.annotations.ContributesBinding
 import io.element.android.features.ftue.api.state.FtueState
-import io.element.android.features.ftue.impl.welcome.state.WelcomeScreenState
 import io.element.android.features.lockscreen.api.LockScreenService
 import io.element.android.libraries.di.SessionScope
 import io.element.android.libraries.permissions.api.PermissionStateProvider
@@ -40,14 +39,12 @@ class DefaultFtueState @Inject constructor(
     private val sdkVersionProvider: BuildVersionSdkIntProvider,
     coroutineScope: CoroutineScope,
     private val analyticsService: AnalyticsService,
-    private val welcomeScreenState: WelcomeScreenState,
     private val permissionStateProvider: PermissionStateProvider,
     private val lockScreenService: LockScreenService,
 ) : FtueState {
     override val shouldDisplayFlow = MutableStateFlow(isAnyStepIncomplete())
 
     override suspend fun reset() {
-        welcomeScreenState.reset()
         analyticsService.reset()
         if (sdkVersionProvider.isAtLeast(Build.VERSION_CODES.TIRAMISU)) {
             permissionStateProvider.resetPermission(Manifest.permission.POST_NOTIFICATIONS)
@@ -62,12 +59,7 @@ class DefaultFtueState @Inject constructor(
 
     fun getNextStep(currentStep: FtueStep? = null): FtueStep? =
         when (currentStep) {
-            null -> if (shouldDisplayWelcomeScreen()) {
+            null -> if (shouldAskNotificationPermissions()) {
-                FtueStep.WelcomeScreen
-            } else {
-                getNextStep(FtueStep.WelcomeScreen)
-            }
-            FtueStep.WelcomeScreen -> if (shouldAskNotificationPermissions()) {
                 FtueStep.NotificationsOptIn
             } else {
                 getNextStep(FtueStep.NotificationsOptIn)
@@ -87,7 +79,6 @@ class DefaultFtueState @Inject constructor(
 
     private fun isAnyStepIncomplete(): Boolean {
         return listOf(
-            { shouldDisplayWelcomeScreen() },
             { shouldAskNotificationPermissions() },
             { needsAnalyticsOptIn() },
             { shouldDisplayLockscreenSetup() },
@@ -99,10 +90,6 @@ class DefaultFtueState @Inject constructor(
         return runBlocking { analyticsService.didAskUserConsent().first().not() }
     }
 
-    private fun shouldDisplayWelcomeScreen(): Boolean {
-        return welcomeScreenState.isWelcomeScreenNeeded()
-    }
-
     private fun shouldAskNotificationPermissions(): Boolean {
         return if (sdkVersionProvider.isAtLeast(Build.VERSION_CODES.TIRAMISU)) {
             val permission = Manifest.permission.POST_NOTIFICATIONS
@@ -120,11 +107,6 @@ class DefaultFtueState @Inject constructor(
         }
     }
 
-    fun setWelcomeScreenShown() {
-        welcomeScreenState.setWelcomeScreenShown()
-        updateState()
-    }
-
     @VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
     internal fun updateState() {
         shouldDisplayFlow.value = isAnyStepIncomplete()
@@ -132,7 +114,6 @@ class DefaultFtueState @Inject constructor(
 }
 
 sealed interface FtueStep {
-    data object WelcomeScreen : FtueStep
     data object NotificationsOptIn : FtueStep
     data object AnalyticsOptIn : FtueStep
     data object LockscreenSetup : FtueStep

features/ftue/impl/src/test/kotlin/io/element/android/features/ftue/impl/DefaultFtueStateTests.kt

@@ -20,7 +20,6 @@ import android.os.Build
 import com.google.common.truth.Truth.assertThat
 import io.element.android.features.ftue.impl.state.DefaultFtueState
 import io.element.android.features.ftue.impl.state.FtueStep
-import io.element.android.features.ftue.impl.welcome.state.FakeWelcomeState
 import io.element.android.features.lockscreen.api.LockScreenService
 import io.element.android.features.lockscreen.test.FakeLockScreenService
 import io.element.android.libraries.permissions.impl.FakePermissionStateProvider
@@ -47,7 +46,6 @@ class DefaultFtueStateTests {
 
     @Test
     fun `given all checks being true, should display flow is false`() = runTest {
-        val welcomeState = FakeWelcomeState()
         val analyticsService = FakeAnalyticsService()
         val permissionStateProvider = FakePermissionStateProvider(permissionGranted = true)
         val lockScreenService = FakeLockScreenService()
@@ -55,13 +53,11 @@ class DefaultFtueStateTests {
 
         val state = createState(
             coroutineScope = coroutineScope,
-            welcomeState = welcomeState,
             analyticsService = analyticsService,
             permissionStateProvider = permissionStateProvider,
             lockScreenService = lockScreenService,
         )
 
-        welcomeState.setWelcomeScreenShown()
         analyticsService.setDidAskUserConsent()
         permissionStateProvider.setPermissionGranted()
         lockScreenService.setIsPinSetup(true)
@@ -75,7 +71,6 @@ class DefaultFtueStateTests {
 
     @Test
     fun `traverse flow`() = runTest {
-        val welcomeState = FakeWelcomeState()
         val analyticsService = FakeAnalyticsService()
         val permissionStateProvider = FakePermissionStateProvider(permissionGranted = false)
         val lockScreenService = FakeLockScreenService()
@@ -83,26 +78,21 @@ class DefaultFtueStateTests {
 
         val state = createState(
             coroutineScope = coroutineScope,
-            welcomeState = welcomeState,
             analyticsService = analyticsService,
             permissionStateProvider = permissionStateProvider,
             lockScreenService = lockScreenService,
         )
         val steps = mutableListOf<FtueStep?>()
 
-        // First step, welcome screen
+        // Notifications opt in
-        steps.add(state.getNextStep(steps.lastOrNull()))
-        welcomeState.setWelcomeScreenShown()
-
-        // Second step, notifications opt in
         steps.add(state.getNextStep(steps.lastOrNull()))
         permissionStateProvider.setPermissionGranted()
 
-        // Third step, entering PIN code
+        // Entering PIN code
         steps.add(state.getNextStep(steps.lastOrNull()))
         lockScreenService.setIsPinSetup(true)
 
-        // Fourth step, analytics opt in
+        // Analytics opt in
         steps.add(state.getNextStep(steps.lastOrNull()))
         analyticsService.setDidAskUserConsent()
 
@@ -110,7 +100,6 @@ class DefaultFtueStateTests {
         steps.add(state.getNextStep(steps.lastOrNull()))
 
         assertThat(steps).containsExactly(
-            FtueStep.WelcomeScreen,
             FtueStep.NotificationsOptIn,
             FtueStep.LockscreenSetup,
             FtueStep.AnalyticsOptIn,
@@ -135,15 +124,14 @@ class DefaultFtueStateTests {
             lockScreenService = lockScreenService,
         )
 
-        // Skip first 3 steps
+        // Skip first 2 steps
-        state.setWelcomeScreenShown()
         permissionStateProvider.setPermissionGranted()
         lockScreenService.setIsPinSetup(true)
 
         assertThat(state.getNextStep()).isEqualTo(FtueStep.AnalyticsOptIn)
 
         analyticsService.setDidAskUserConsent()
-        assertThat(state.getNextStep(FtueStep.WelcomeScreen)).isNull()
+        assertThat(state.getNextStep(null)).isNull()
 
         // Cleanup
         coroutineScope.cancel()
@@ -162,14 +150,12 @@ class DefaultFtueStateTests {
             lockScreenService = lockScreenService,
         )
 
-        assertThat(state.getNextStep()).isEqualTo(FtueStep.WelcomeScreen)
-        state.setWelcomeScreenShown()
         lockScreenService.setIsPinSetup(true)
 
         assertThat(state.getNextStep()).isEqualTo(FtueStep.AnalyticsOptIn)
 
         analyticsService.setDidAskUserConsent()
-        assertThat(state.getNextStep(FtueStep.WelcomeScreen)).isNull()
+        assertThat(state.getNextStep(null)).isNull()
 
         // Cleanup
         coroutineScope.cancel()
@@ -177,7 +163,6 @@ class DefaultFtueStateTests {
 
     private fun createState(
         coroutineScope: CoroutineScope,
-        welcomeState: FakeWelcomeState = FakeWelcomeState(),
         analyticsService: AnalyticsService = FakeAnalyticsService(),
         permissionStateProvider: FakePermissionStateProvider = FakePermissionStateProvider(permissionGranted = false),
         lockScreenService: LockScreenService = FakeLockScreenService(),
@@ -187,7 +172,6 @@ class DefaultFtueStateTests {
         sdkVersionProvider = FakeBuildVersionSdkIntProvider(sdkIntVersion),
         coroutineScope = coroutineScope,
         analyticsService = analyticsService,
-        welcomeScreenState = welcomeState,
         permissionStateProvider = permissionStateProvider,
         lockScreenService = lockScreenService,
     )