Align pnp privacy settings screens with figma.

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/privacy/pnp/PhoneNumberPrivacySettingsFragment.kt

@@ -6,6 +6,9 @@ import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.SnackbarDuration
+import androidx.compose.material3.SnackbarHost
+import androidx.compose.material3.SnackbarHostState
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
@@ -17,7 +20,9 @@ import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import androidx.fragment.app.viewModels
+import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
+import kotlinx.coroutines.launch
 import org.signal.core.ui.Dividers
 import org.signal.core.ui.Rows
 import org.signal.core.ui.Scaffolds
@@ -48,11 +53,16 @@ class PhoneNumberPrivacySettingsFragment : ComposeFragment() {
       { findNavController().popBackStack() }
     }
 
+    val snackbarHostState = remember { SnackbarHostState() }
+
     Scaffolds.Settings(
       title = stringResource(id = R.string.preferences_app_protection__phone_number),
       onNavigationClick = onNavigationClick,
       navigationIconPainter = painterResource(id = R.drawable.ic_arrow_left_24),
       navigationContentDescription = stringResource(id = R.string.Material3SearchToolbar__close),
+      snackbarHost = {
+        SnackbarHost(snackbarHostState)
+      },
       modifier = Modifier.nestedScroll(statusBarNestedScrollConnection)
     ) { contentPadding ->
       Box(modifier = Modifier.padding(contentPadding)) {
@@ -85,7 +95,7 @@ class PhoneNumberPrivacySettingsFragment : ComposeFragment() {
                 id = if (state.phoneNumberSharing) {
                   R.string.PhoneNumberPrivacySettingsFragment__your_phone_number
                 } else {
-                  R.string.PhoneNumberPrivacySettingsFragment__nobody_will_see
+                  R.string.PhoneNumberPrivacySettingsFragment__nobody_will_see_your
                 }
               ),
               style = MaterialTheme.typography.bodyMedium,
@@ -110,23 +120,38 @@ class PhoneNumberPrivacySettingsFragment : ComposeFragment() {
             )
           }
 
-          if (!state.phoneNumberSharing) {
-            item {
-              Rows.RadioRow(
-                selected = !state.discoverableByPhoneNumber,
-                text = stringResource(id = R.string.PhoneNumberPrivacy_nobody),
-                modifier = Modifier.clickable(onClick = viewModel::setNobodyCanFindMeByMyNumber)
-              )
+          item {
+            val snackbarMessage = stringResource(id = R.string.PhoneNumberPrivacySettingsFragment__to_change_this_setting)
+            val onClick: () -> Unit = remember(state.phoneNumberSharing) {
+              if (!state.phoneNumberSharing) {
+                { viewModel.setNobodyCanFindMeByMyNumber() }
+              } else {
+                {
+                  lifecycleScope.launch {
+                    snackbarHostState.showSnackbar(
+                      message = snackbarMessage,
+                      duration = SnackbarDuration.Short
+                    )
+                  }
+                }
+              }
             }
+
+            Rows.RadioRow(
+              enabled = !state.phoneNumberSharing,
+              selected = !state.discoverableByPhoneNumber,
+              text = stringResource(id = R.string.PhoneNumberPrivacy_nobody),
+              modifier = Modifier.clickable(onClick = onClick)
+            )
           }
 
           item {
             Text(
               text = stringResource(
                 id = if (state.discoverableByPhoneNumber) {
-                  R.string.WhoCanSeeMyPhoneNumberFragment__anyone_who_has
+                  R.string.PhoneNumberPrivacySettingsFragment__anyone_who_has
                 } else {
-                  R.string.WhoCanSeeMyPhoneNumberFragment__nobody_on_signal
+                  R.string.PhoneNumberPrivacySettingsFragment__nobody_will_be_able_to_see
                 }
               ),
               style = MaterialTheme.typography.bodyMedium,

app/src/main/res/values/strings.xml

@@ -3767,11 +3767,17 @@
     <!-- Section title above two radio buttons for enabling and disabling phone number display -->
     <string name="PhoneNumberPrivacySettingsFragment__who_can_see_my_number">Who can see my number</string>
     <!-- Subtext below radio buttons when who can see my number is set to nobody -->
-    <string name="PhoneNumberPrivacySettingsFragment__nobody_will_see">Nobody will see your phone number on Signal</string>
+    <string name="PhoneNumberPrivacySettingsFragment__nobody_will_see_your">Nobody will see your phone number on Signal, even when messaging them.</string>
     <!-- Section title above two radio buttons for enabling and disabling whether users can find me by my phone number  -->
     <string name="PhoneNumberPrivacySettingsFragment__who_can_find_me_by_number">Who can find me by number</string>
     <!-- Subtext below radio buttons when who can see my number is set to everyone -->
     <string name="PhoneNumberPrivacySettingsFragment__your_phone_number">Your phone number will be visible to people and groups you message. People who have your number in their phone contacts will also see it on Signal.</string>
+    <!-- Subtext below radio buttons when who can find me by number is set to everyone -->
+    <string name="PhoneNumberPrivacySettingsFragment__anyone_who_has">Anyone who has your phone number will see you\'re on Signal and can start chats with you.</string>
+    <!-- Subtext below radio buttons when who can find me by number is set to nobody -->
+    <string name="PhoneNumberPrivacySettingsFragment__nobody_will_be_able_to_see">Nobody will be able to see you\'re on Signal unless you message them or have an existing chat with them.</string>
+    <!-- Snackbar text when pressing invalid radio item -->
+    <string name="PhoneNumberPrivacySettingsFragment__to_change_this_setting">To change this setting, set "Who can see my number" to "Nobody".</string>
     <string name="PhoneNumberPrivacy_everyone">Everyone</string>
     <string name="PhoneNumberPrivacy_nobody">Nobody</string>
     <string name="preferences_app_protection__screen_lock">Screen lock</string>

core-ui/src/main/java/org/signal/core/ui/Rows.kt

@@ -18,9 +18,9 @@ import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Alignment.Companion.CenterVertically
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.alpha
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.res.dimensionResource
@@ -40,21 +40,25 @@ object Rows {
     selected: Boolean,
     text: String,
     modifier: Modifier = Modifier,
-    label: String? = null
+    label: String? = null,
+    enabled: Boolean = true
   ) {
     Row(
       modifier = modifier
         .fillMaxWidth()
         .padding(defaultPadding()),
-      verticalAlignment = Alignment.CenterVertically
+      verticalAlignment = CenterVertically
     ) {
       RadioButton(
+        enabled = enabled,
         selected = selected,
         onClick = null,
         modifier = Modifier.padding(end = 24.dp)
       )
 
-      Column {
+      Column(
+        modifier = Modifier.alpha(if (enabled) 1f else 0.4f)
+      ) {
         Text(
           text = text,
           style = MaterialTheme.typography.bodyLarge

core-ui/src/main/java/org/signal/core/ui/Scaffolds.kt

@@ -38,11 +38,13 @@ object Scaffolds {
     titleContent: @Composable (Float, String) -> Unit = { _, title ->
       Text(text = title, style = MaterialTheme.typography.titleLarge)
     },
+    snackbarHost: @Composable () -> Unit = {},
     content: @Composable (PaddingValues) -> Unit
   ) {
     val scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior()
 
     Scaffold(
+      snackbarHost = snackbarHost,
       topBar = {
         TopAppBar(
           title = {