Improve welcome bottom sheet UI in regV5.

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

@@ -179,21 +179,6 @@ interface NetworkController {
    */
   suspend fun setAccountAttributes(attributes: AccountAttributes): RegistrationNetworkResult<Unit, SetAccountAttributesError>
 
-  // TODO
-//  /**
-//   * Validates the provided SVR2 auth credentials, returning information on their usability.
-//   *
-//   * `POST /v2/svr/auth/check`
-//   */
-//  suspend fun validateSvr2AuthCredential(e164: String, usernamePasswords: List<String>)
-//
-//  /**
-//   * Validates the provided SVR3 auth credentials, returning information on their usability.
-//   *
-//   * `POST /v3/backup/auth/check`
-//   */
-//  suspend fun validateSvr3AuthCredential(e164: String, usernamePasswords: List<String>)
-//
 //  /**
 //   * Set [RestoreMethod] enum on the server for use by the old device to update UX.
 //   */

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

@@ -67,7 +67,7 @@ sealed interface RegistrationRoute : NavKey, Parcelable {
   data object Welcome : RegistrationRoute
 
   @Serializable
-  data class Permissions(val forRestore: Boolean = false) : RegistrationRoute
+  data class Permissions(val nextRoute: RegistrationRoute) : RegistrationRoute
 
   @Serializable
   data object PhoneNumberEntry : RegistrationRoute
@@ -100,10 +100,13 @@ sealed interface RegistrationRoute : NavKey, Parcelable {
   data object PinCreate : RegistrationRoute
 
   @Serializable
-  data object Restore : RegistrationRoute
+  data object ChooseRestoreOptionBeforeRegistration : RegistrationRoute
 
   @Serializable
-  data object RestoreViaQr : RegistrationRoute
+  data object ChooseRestoreOptionAfterRegistration : RegistrationRoute
+
+  @Serializable
+  data object QuickRestoreQrScan : RegistrationRoute
 
   @Serializable
   data object Transfer : RegistrationRoute
@@ -203,9 +206,9 @@ private fun EntryProviderScope<NavKey>.navigationEntries(
     WelcomeScreen(
       onEvent = { event ->
         when (event) {
-          WelcomeScreenEvents.Continue -> parentEventEmitter.navigateTo(RegistrationRoute.Permissions(forRestore = false))
-          WelcomeScreenEvents.DoesNotHaveOldPhone -> parentEventEmitter.navigateTo(RegistrationRoute.Restore)
-          WelcomeScreenEvents.HasOldPhone -> parentEventEmitter.navigateTo(RegistrationRoute.Permissions(forRestore = true))
+          WelcomeScreenEvents.Continue -> parentEventEmitter.navigateTo(RegistrationRoute.Permissions(nextRoute = RegistrationRoute.PhoneNumberEntry))
+          WelcomeScreenEvents.HasOldPhone -> parentEventEmitter.navigateTo(RegistrationRoute.Permissions(nextRoute = RegistrationRoute.QuickRestoreQrScan))
+          WelcomeScreenEvents.DoesNotHaveOldPhone -> parentEventEmitter.navigateTo(RegistrationRoute.Permissions(nextRoute = RegistrationRoute.ChooseRestoreOptionBeforeRegistration))
         }
       }
     )
@@ -216,11 +219,7 @@ private fun EntryProviderScope<NavKey>.navigationEntries(
     PermissionsScreen(
       permissionsState = permissionsState,
       onProceed = {
-        if (key.forRestore) {
-          parentEventEmitter.navigateTo(RegistrationRoute.RestoreViaQr)
-        } else {
-          parentEventEmitter.navigateTo(RegistrationRoute.PhoneNumberEntry)
-        }
+        parentEventEmitter.navigateTo(key.nextRoute)
       }
     )
   }
@@ -399,11 +398,11 @@ private fun EntryProviderScope<NavKey>.navigationEntries(
     )
   }
 
-  entry<RegistrationRoute.Restore> {
+  entry<RegistrationRoute.ChooseRestoreOptionAfterRegistration> {
     // TODO: Implement RestoreScreen
   }
 
-  entry<RegistrationRoute.RestoreViaQr> {
+  entry<RegistrationRoute.QuickRestoreQrScan> {
     RestoreViaQrScreen(
       state = RestoreViaQrState(),
       onEvent = { event ->

feature/registration/src/main/java/org/signal/registration/screens/welcome/WelcomeScreen.kt

@@ -8,14 +8,20 @@
 package org.signal.registration.screens.welcome
 
 import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.ButtonDefaults
 import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.SheetState
 import androidx.compose.material3.Text
@@ -29,6 +35,8 @@ import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.painter.Painter
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.res.painterResource
@@ -40,7 +48,9 @@ import org.signal.core.ui.compose.BottomSheets
 import org.signal.core.ui.compose.Buttons
 import org.signal.core.ui.compose.DayNightPreviews
 import org.signal.core.ui.compose.Previews
+import org.signal.core.ui.compose.SignalIcons
 import org.signal.core.ui.compose.dismissWithAnimation
+import org.signal.core.ui.compose.horizontalGutters
 import org.signal.core.ui.compose.theme.SignalTheme
 import org.signal.registration.R
 import org.signal.registration.test.TestTags
@@ -169,40 +179,79 @@ private fun RestoreOrTransferBottomSheetContent(
   onEvent: (WelcomeScreenEvents) -> Unit
 ) {
   Column(
+    horizontalAlignment = Alignment.CenterHorizontally,
     modifier = Modifier
       .fillMaxWidth()
-      .padding(horizontal = 24.dp, vertical = 16.dp),
-    horizontalAlignment = Alignment.CenterHorizontally
+      .padding(bottom = 54.dp)
   ) {
-    Buttons.LargeTonal(
-      onClick = {
+    Spacer(modifier = Modifier.size(26.dp))
+
+    RestoreActionRow(
+      icon = SignalIcons.QrCode.painter,
+      title = stringResource(R.string.WelcomeFragment_restore_action_i_have_my_old_phone),
+      subtitle = stringResource(R.string.WelcomeFragment_restore_action_scan_qr),
+      modifier = Modifier.testTag(TestTags.WELCOME_RESTORE_HAS_OLD_PHONE_BUTTON),
+      onRowClick = {
         sheetState.dismissWithAnimation(scope) {
           onEvent(WelcomeScreenEvents.HasOldPhone)
         }
-      },
-      modifier = Modifier
-        .fillMaxWidth()
-        .testTag(TestTags.WELCOME_RESTORE_HAS_OLD_PHONE_BUTTON)
-    ) {
-      Text("I have my old phone")
-    }
+      }
+    )
 
-    Spacer(modifier = Modifier.height(12.dp))
-
-    Buttons.LargeTonal(
-      onClick = {
+    RestoreActionRow(
+      icon = painterResource(R.drawable.symbol_no_phone_44),
+      title = stringResource(R.string.WelcomeFragment_restore_action_i_dont_have_my_old_phone),
+      subtitle = stringResource(R.string.WelcomeFragment_restore_action_reinstalling),
+      modifier = Modifier.testTag(TestTags.WELCOME_RESTORE_NO_OLD_PHONE_BUTTON),
+      onRowClick = {
         sheetState.dismissWithAnimation(scope) {
           onEvent(WelcomeScreenEvents.DoesNotHaveOldPhone)
         }
-      },
-      modifier = Modifier
-        .fillMaxWidth()
-        .testTag(TestTags.WELCOME_RESTORE_NO_OLD_PHONE_BUTTON)
-    ) {
-      Text("I don't have my old phone")
-    }
+      }
+    )
+  }
+}
 
-    Spacer(modifier = Modifier.height(16.dp))
+@Composable
+private fun RestoreActionRow(
+  icon: Painter,
+  title: String,
+  subtitle: String,
+  modifier: Modifier = Modifier,
+  onRowClick: () -> Unit = {}
+) {
+  Row(
+    verticalAlignment = Alignment.CenterVertically,
+    modifier = modifier
+      .horizontalGutters()
+      .padding(vertical = 8.dp)
+      .fillMaxWidth()
+      .clip(RoundedCornerShape(18.dp))
+      .background(MaterialTheme.colorScheme.background)
+      .clickable(enabled = true, onClick = onRowClick)
+      .padding(horizontal = 24.dp, vertical = 16.dp)
+  ) {
+    Icon(
+      painter = icon,
+      tint = MaterialTheme.colorScheme.primary,
+      contentDescription = null,
+      modifier = Modifier.size(44.dp)
+    )
+
+    Column(
+      modifier = Modifier.padding(start = 16.dp)
+    ) {
+      Text(
+        text = title,
+        style = MaterialTheme.typography.bodyLarge
+      )
+
+      Text(
+        text = subtitle,
+        style = MaterialTheme.typography.bodyMedium,
+        color = MaterialTheme.colorScheme.onSurfaceVariant
+      )
+    }
   }
 }
 
@@ -217,7 +266,7 @@ private fun WelcomeScreenPreview() {
 @DayNightPreviews
 @Composable
 private fun RestoreOrTransferBottomSheetPreview() {
-  Previews.BottomSheetPreview(forceRtl = true) {
+  Previews.BottomSheetPreview {
     RestoreOrTransferBottomSheetContent(
       sheetState = rememberModalBottomSheetState(),
       scope = rememberCoroutineScope(),

feature/registration/src/main/res/drawable/symbol_no_phone_44.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="44dp"
+    android:height="44dp"
+    android:viewportWidth="44"
+    android:viewportHeight="44">
+  <path
+      android:pathData="M31.22,26.773V7.624C31.22,5.783 30.252,4.853 28.354,4.853H26.02C25.754,4.853 25.602,5.005 25.602,5.271V5.612C25.602,6.315 25.147,6.808 24.426,6.808H19.605C18.884,6.808 18.429,6.315 18.429,5.612V5.271C18.429,5.005 18.277,4.853 17.992,4.853H15.658C13.76,4.853 12.792,5.764 12.792,7.605V8.326L10.743,6.277L10.837,5.897C11.255,3.677 12.887,2.5 15.373,2.5H28.639C31.694,2.5 33.573,4.341 33.573,7.301V29.126L31.22,26.773ZM36.571,38.273L5.827,7.548C5.391,7.112 5.391,6.371 5.827,5.954C6.283,5.48 7.004,5.517 7.44,5.954L38.166,36.679C38.602,37.115 38.621,37.837 38.166,38.273C37.729,38.71 37.008,38.729 36.571,38.273ZM15.373,41.575C12.337,41.575 10.458,39.753 10.458,36.793V15.101L12.792,17.455V36.451C12.792,38.311 13.76,39.241 15.658,39.241H28.354C30.214,39.241 31.163,38.349 31.22,36.565V35.844L33.212,37.894C33.193,38.007 33.155,38.14 33.136,38.273C32.662,40.418 31.087,41.575 28.639,41.575H15.373ZM18.087,37.894C17.65,37.894 17.328,37.59 17.328,37.153C17.328,36.698 17.65,36.394 18.087,36.394H25.944C26.38,36.394 26.703,36.698 26.703,37.153C26.703,37.59 26.38,37.894 25.944,37.894H18.087Z"
+      android:strokeWidth="0.4"
+      android:fillColor="#000000"
+      android:strokeColor="#000000"/>
+</vector>

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

@@ -84,4 +84,14 @@
     <string name="VerificationCodeScreen__registration_error">Registration failed. Please try again.</string>
     <!-- Button text for having trouble with verification -->
     <string name="VerificationCodeScreen__having_trouble">Having trouble?</string>
+
+    <!-- RestoreWelcomeBottomSheet -->
+    <!-- Row title for restore/transfer using a previous registered phone/device -->
+    <string name="WelcomeFragment_restore_action_i_have_my_old_phone">I have my old phone</string>
+    <!-- Row subtitle for restore/transfer using a previous registered phone/device -->
+    <string name="WelcomeFragment_restore_action_scan_qr">Scan a QR code from your current Signal account to get started quickly</string>
+    <!-- Row title for restore/transfer without using a previous device -->
+    <string name="WelcomeFragment_restore_action_i_dont_have_my_old_phone">I don\'t have my old phone</string>
+    <!-- Row subtitle for restore/transfer without using a previous device -->
+    <string name="WelcomeFragment_restore_action_reinstalling">Or you\'re reinstalling Signal on the same device</string>
 </resources>