Sunset application - first step

library/ui-strings/src/main/res/values/strings.xml

@@ -3641,4 +3641,10 @@
     <string name="pill_message_in_room">Message in %s</string>
     <string name="pill_message_in_unknown_room">Message in room</string>
     <string name="pill_message_unknown_room_or_space">Room/Space</string>
+
+    <string name="error_mas_not_supported_title">You can no longer create an account with %1$s using this app</string>
+    <string name="error_mas_not_supported_subtitle">Download %1$s to use %2$s for your account or choose a different homeserver.</string>
+    <string name="view_download_replacement_app_title">Download %1$s</string>
+    <string name="view_download_replacement_app_subtitle">Faster, more secure, and packed with powerful collaboration tools.</string>
+
 </resources>

library/ui-styles/src/main/res/values/colors.xml

@@ -158,4 +158,25 @@
     <color name="vctr_rich_text_editor_menu_button_background_light">#EEF8F4</color>
     <color name="vctr_rich_text_editor_menu_button_background_dark">#1D292A</color>
 
+    <!-- Other colors -->
+    <attr name="vctr_bg_critical_subtle" format="color" />
+    <color name="vctr_bg_critical_subtle_light">#FFF7F6</color>
+    <color name="vctr_bg_critical_subtle_dark">#3E0000</color>
+
+    <attr name="vctr_border_critical_subtle" format="color" />
+    <color name="vctr_border_critical_subtle_light">#FFC5BC</color>
+    <color name="vctr_border_critical_subtle_dark">#710000</color>
+
+    <attr name= "vctr_icon_critical_primary" format="color" />
+    <color name="vctr_icon_critical_primary_light">#D51928</color>
+    <color name="vctr_icon_critical_primary_dark">#FD3E3C</color>
+
+    <attr name= "vctr_text_critical_primary" format="color" />
+    <color name="vctr_text_critical_primary_light">#D51928</color>
+    <color name="vctr_text_critical_primary_dark">#FD3E3C</color>
+
+    <attr name= "vctr_text_primary" format="color" />
+    <color name="vctr_text_primary_light">#1B1D22</color>
+    <color name="vctr_text_primary_dark">#EBEEF2</color>
+
 </resources>

library/ui-styles/src/main/res/values/theme_dark.xml

@@ -55,6 +55,13 @@
         <item name="vctr_list_separator_on_surface">?vctr_system</item>
         <item name="vctr_unread_background">?vctr_notice_secondary</item>
 
+        <!-- Other colors -->
+        <item name="vctr_bg_critical_subtle" >@color/vctr_bg_critical_subtle_dark</item>
+        <item name="vctr_border_critical_subtle" >@color/vctr_border_critical_subtle_dark</item>
+        <item name= "vctr_icon_critical_primary" >@color/vctr_icon_critical_primary_dark</item>
+        <item name= "vctr_text_critical_primary" >@color/vctr_text_critical_primary_dark</item>
+        <item name= "vctr_text_primary" >@color/vctr_text_primary_dark</item>
+
         <!-- Material color -->
         <item name="colorPrimary">@color/element_accent_dark</item>
         <item name="colorPrimaryVariant">@color/element_accent_dark</item>

library/ui-styles/src/main/res/values/theme_light.xml

@@ -55,6 +55,13 @@
         <item name="vctr_list_separator_on_surface">?vctr_system</item>
         <item name="vctr_unread_background">?vctr_notice_secondary</item>
 
+        <!-- Other colors -->
+        <item name="vctr_bg_critical_subtle" >@color/vctr_bg_critical_subtle_light</item>
+        <item name="vctr_border_critical_subtle" >@color/vctr_border_critical_subtle_light</item>
+        <item name= "vctr_icon_critical_primary" >@color/vctr_icon_critical_primary_light</item>
+        <item name= "vctr_text_critical_primary" >@color/vctr_text_critical_primary_light</item>
+        <item name= "vctr_text_primary" >@color/vctr_text_primary_light</item>
+
         <!-- Material color -->
         <item name="colorPrimary">@color/element_accent_light</item>
         <item name="colorPrimaryVariant">@color/element_accent_light</item>

vector-config/src/main/java/im/vector/app/config/Config.kt

@@ -97,4 +97,15 @@ object Config {
     val ER_DEBUG_ANALYTICS_CONFIG = DEBUG_ANALYTICS_CONFIG.copy(sentryEnvironment = "element-r")
 
     val SHOW_UNVERIFIED_SESSIONS_ALERT_AFTER_MILLIS = 7.days.inWholeMilliseconds // 1 Week
+
+    /**
+     * Sunsetting the application.
+     * Fork maintainers can use this to inform users about their new application if any. Note that you probably also want
+     * to replace the resource `replacement_app_icon` too.
+     */
+    val sunsetConfig: SunsetConfig = SunsetConfig.Enabled(
+            learnMoreLink = "https://element.io/app-for-productivity",
+            replacementApplicationName = "Element X",
+            replacementApplicationId = "io.element.android.x",
+    )
 }

vector-config/src/main/java/im/vector/app/config/SunsetConfig.kt

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2025 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.app.config
+
+sealed interface SunsetConfig {
+    /**
+     * Sunsetting the application is disabled.
+     */
+    data object Disabled : SunsetConfig
+
+    /**
+     * Sunsetting the application is enabled and can be configured by implementing this class.
+     */
+    data class Enabled(
+            /**
+             * The URL target to learn more.
+             */
+            val learnMoreLink: String,
+
+            /**
+             * The replacement application ID.
+             * Example: for Element application, the replacement application ID is the id of Element X: "Element X".
+             */
+            val replacementApplicationName: String,
+
+            /**
+             * The replacement application ID.
+             * Example: for Element App, the replacement application ID is the id of Element X: "io.element.android.x".
+             */
+            val replacementApplicationId: String,
+    ) : SunsetConfig
+}

vector/src/main/java/im/vector/app/core/utils/ExternalApplicationsUtil.kt

@@ -32,6 +32,7 @@ import androidx.core.app.ShareCompat
 import androidx.core.content.FileProvider
 import androidx.core.content.getSystemService
 import im.vector.app.R
+import im.vector.app.core.resources.BuildMeta
 import im.vector.app.features.notifications.NotificationUtils
 import im.vector.app.features.themes.ThemeUtils
 import im.vector.lib.strings.CommonStrings
@@ -367,13 +368,21 @@ private fun addToGallery(savedFile: File, mediaMimeType: String?, context: Conte
 }
 
 /**
- * Open the play store to the provided application Id, default to this app.
+ * Open the play store or the F-Droid to the provided application Id, default to this app.
  */
-fun openPlayStore(activity: Activity, appId: String) {
+fun openApplicationStore(
+        activity: Activity,
+        buildMeta: BuildMeta,
+        appId: String = buildMeta.applicationId,
+) {
     try {
         activity.startActivity(Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id=$appId")))
     } catch (activityNotFoundException: ActivityNotFoundException) {
-        activity.safeStartActivity(Intent(Intent.ACTION_VIEW, Uri.parse("https://play.google.com/store/apps/details?id=$appId")))
+        if (buildMeta.flavorDescription == "FDroid") {
+            activity.safeStartActivity(Intent(Intent.ACTION_VIEW, Uri.parse("https://f-droid.org/packages/$appId")))
+        } else {
+            activity.safeStartActivity(Intent(Intent.ACTION_VIEW, Uri.parse("https://play.google.com/store/apps/details?id=$appId")))
+        }
     }
 }
 

vector/src/main/java/im/vector/app/features/onboarding/MasSupportRequiredException.kt

@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2025 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.app.features.onboarding
+
+class MasSupportRequiredException : Exception("Please use replacement app")

vector/src/main/java/im/vector/app/features/onboarding/OnboardingViewModel.kt

@@ -12,6 +12,8 @@ import com.airbnb.mvrx.MavericksViewModelFactory
 import dagger.assisted.Assisted
 import dagger.assisted.AssistedFactory
 import dagger.assisted.AssistedInject
+import im.vector.app.config.Config
+import im.vector.app.config.SunsetConfig
 import im.vector.app.core.di.ActiveSessionHolder
 import im.vector.app.core.di.MavericksAssistedViewModelFactory
 import im.vector.app.core.di.hiltMavericksViewModelFactory
@@ -761,7 +763,13 @@ class OnboardingViewModel @AssistedInject constructor(
                 }
                 OnboardingFlow.SignUp -> {
                     updateSignMode(SignMode.SignUp)
-                    internalRegisterAction(RegisterAction.StartRegistration)
+                    if (authResult.selectedHomeserver.hasOidcCompatibilityFlow && Config.sunsetConfig is SunsetConfig.Enabled) {
+                        // Navigate to the screen to create an account, it will show the error
+                        setState { copy(isLoading = false) }
+                        _viewEvents.post(OnboardingViewEvents.OpenCombinedRegister)
+                    } else {
+                        internalRegisterAction(RegisterAction.StartRegistration)
+                    }
                 }
                 OnboardingFlow.SignInSignUp,
                 null -> {
@@ -775,9 +783,17 @@ class OnboardingViewModel @AssistedInject constructor(
 
     private suspend fun onHomeServerEdited(config: HomeServerConnectionConfig, serverTypeOverride: ServerType?, authResult: StartAuthenticationResult) {
         when (awaitState().onboardingFlow) {
-            OnboardingFlow.SignUp -> internalRegisterAction(RegisterAction.StartRegistration) {
-                updateServerSelection(config, serverTypeOverride, authResult)
-                _viewEvents.post(OnboardingViewEvents.OnHomeserverEdited)
+            OnboardingFlow.SignUp -> {
+                if (authResult.selectedHomeserver.hasOidcCompatibilityFlow && Config.sunsetConfig is SunsetConfig.Enabled) {
+                    // An error is displayed now
+                    setState { copy(isLoading = false) }
+                    _viewEvents.post(OnboardingViewEvents.Failure(MasSupportRequiredException()))
+                } else {
+                    internalRegisterAction(RegisterAction.StartRegistration) {
+                        updateServerSelection(config, serverTypeOverride, authResult)
+                        _viewEvents.post(OnboardingViewEvents.OnHomeserverEdited)
+                    }
+                }
             }
             OnboardingFlow.SignIn -> {
                 updateServerSelection(config, serverTypeOverride, authResult)
@@ -924,7 +940,10 @@ private fun LoginMode.supportsSignModeScreen(): Boolean {
     return when (this) {
         LoginMode.Password,
         is LoginMode.SsoAndPassword -> true
-        is LoginMode.Sso,
+        is LoginMode.Sso -> {
+            // In this case, an error will be displayed in the next screen
+            hasOidcCompatibilityFlow
+        }
         LoginMode.Unknown,
         LoginMode.Unsupported -> false
     }

vector/src/main/java/im/vector/app/features/onboarding/ftueauth/FtueAuthCombinedRegisterFragment.kt

@@ -12,13 +12,17 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.TextView
 import androidx.autofill.HintConstants
 import androidx.core.text.isDigitsOnly
 import androidx.core.view.isVisible
 import androidx.lifecycle.lifecycleScope
 import com.airbnb.mvrx.withState
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import dagger.hilt.android.AndroidEntryPoint
+import im.vector.app.R
+import im.vector.app.config.Config
+import im.vector.app.config.SunsetConfig
 import im.vector.app.core.extensions.clearErrorOnChange
 import im.vector.app.core.extensions.content
 import im.vector.app.core.extensions.editText
@@ -31,6 +35,9 @@ import im.vector.app.core.extensions.realignPercentagesToParent
 import im.vector.app.core.extensions.setOnFocusLostListener
 import im.vector.app.core.extensions.setOnImeDoneListener
 import im.vector.app.core.extensions.toReducedUrl
+import im.vector.app.core.resources.BuildMeta
+import im.vector.app.core.utils.openApplicationStore
+import im.vector.app.core.utils.openUrlInChromeCustomTab
 import im.vector.app.databinding.FragmentFtueCombinedRegisterBinding
 import im.vector.app.features.login.LoginMode
 import im.vector.app.features.login.SSORedirectRouterActivity
@@ -52,12 +59,14 @@ import org.matrix.android.sdk.api.failure.isRegistrationDisabled
 import org.matrix.android.sdk.api.failure.isUsernameInUse
 import org.matrix.android.sdk.api.failure.isWeakPassword
 import reactivecircus.flowbinding.android.widget.textChanges
+import javax.inject.Inject
 
 private const val MINIMUM_PASSWORD_LENGTH = 8
 
 @AndroidEntryPoint
 class FtueAuthCombinedRegisterFragment :
         AbstractSSOFtueAuthFragment<FragmentFtueCombinedRegisterBinding>() {
+    @Inject lateinit var buildMeta: BuildMeta
 
     override fun getBinding(inflater: LayoutInflater, container: ViewGroup?): FragmentFtueCombinedRegisterBinding {
         return FragmentFtueCombinedRegisterBinding.inflate(inflater, container, false)
@@ -181,7 +190,8 @@ class FtueAuthCombinedRegisterFragment :
     }
 
     private fun setupUi(state: OnboardingViewState) {
-        views.selectedServerName.text = state.selectedHomeserver.userFacingUrl.toReducedUrl()
+        val serverName = state.selectedHomeserver.userFacingUrl.toReducedUrl()
+        views.selectedServerName.text = serverName
 
         if (state.isLoading) {
             // Ensure password is hidden
@@ -201,6 +211,47 @@ class FtueAuthCombinedRegisterFragment :
             is LoginMode.SsoAndPassword -> renderSsoProviders(state.deviceId, state.selectedHomeserver.preferredLoginMode)
             else -> hideSsoProviders()
         }
+
+        (Config.sunsetConfig as? SunsetConfig.Enabled)?.let { config ->
+            val isMasSupportRequired = state.selectedHomeserver.hasOidcCompatibilityFlow
+            views.serverSelectionSpacing.isVisible = !isMasSupportRequired
+            views.serverSelectionDivider.isVisible = !isMasSupportRequired
+            views.chooseServerCardErrorMas.isVisible = isMasSupportRequired
+            views.chooseServerCardDownloadReplacementApp.isVisible = isMasSupportRequired
+
+            if (isMasSupportRequired) {
+                views.chooseServerCardErrorMas.findViewById<TextView>(R.id.view_card_error_title).text =
+                        getString(CommonStrings.error_mas_not_supported_title, serverName)
+                views.chooseServerCardErrorMas.findViewById<TextView>(R.id.view_card_error_subtitle).text =
+                        getString(
+                                CommonStrings.error_mas_not_supported_subtitle,
+                                config.replacementApplicationName,
+                                serverName,
+                        )
+                views.chooseServerCardDownloadReplacementApp.findViewById<TextView>(R.id.view_download_replacement_app_title).text =
+                        getString(CommonStrings.view_download_replacement_app_title, config.replacementApplicationName)
+
+                views.chooseServerCardDownloadReplacementApp.debouncedClicks {
+                    openApplicationStore(
+                            activity = requireActivity(),
+                            buildMeta = buildMeta,
+                            appId = config.replacementApplicationId,
+                    )
+                }
+                views.chooseServerCardDownloadReplacementApp.findViewById<View>(R.id.view_download_replacement_app_learn_more)?.debouncedClicks {
+                    openUrlInChromeCustomTab(
+                            context = requireContext(),
+                            session = null,
+                            url = config.learnMoreLink,
+                    )
+                }
+
+                // Disable form
+                views.createAccountInput.isEnabled = false
+                views.createAccountPasswordInput.isEnabled = false
+                views.createAccountSubmit.isEnabled = false
+            }
+        }
     }
 
     private fun renderSsoProviders(deviceId: String?, loginMode: LoginMode) {