android/ui: restyle DNS, bug report and tailnet lock settings to match material design

Also tweak Exit Node Picker.

Updates #cleanup

Signed-off-by: Percy Wegmann <percy@tailscale.com>

android/src/main/java/com/tailscale/ipn/ui/util/ClipboardValueView.kt

@@ -4,28 +4,21 @@
 package com.tailscale.ipn.ui.util
 
 import androidx.compose.foundation.clickable
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.width
-import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.Icon
+import androidx.compose.material3.ListItem
 import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.clip
 import androidx.compose.ui.platform.LocalClipboardManager
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.AnnotatedString
 import androidx.compose.ui.text.font.FontFamily
-import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import com.tailscale.ipn.R
@@ -39,44 +32,33 @@ fun ClipboardValueView(
     fontFamily: FontFamily = FontFamily.Monospace
 ) {
   val localClipboardManager = LocalClipboardManager.current
-  Surface(
-      color = MaterialTheme.colorScheme.secondaryContainer,
-      modifier = Modifier.clip(shape = RoundedCornerShape(8.dp))) {
-        Row(
-            horizontalArrangement =
-                Arrangement.spacedBy(8.dp, alignment = Alignment.CenterHorizontally),
-            modifier =
-                Modifier.fillMaxWidth()
-                    .padding(8.dp)
-                    .clickable(onClick = { localClipboardManager.setText(AnnotatedString(value)) }),
-            verticalAlignment = Alignment.CenterVertically) {
-              Column(
-                  verticalArrangement = Arrangement.spacedBy(8.dp),
-                  modifier = Modifier.fillMaxWidth().weight(10f)) {
-                    title?.let { title ->
-                      Text(
-                          title,
-                          style = MaterialTheme.typography.bodyMedium,
-                          fontWeight = FontWeight.SemiBold)
-                    }
+  Row {
+    ListItem(
+        modifier = Modifier.clickable { localClipboardManager.setText(AnnotatedString(value)) },
+        overlineContent = { title?.let { Text(it, style = MaterialTheme.typography.titleMedium) } },
+        headlineContent = {
           Text(
               text = value,
               style = MaterialTheme.typography.bodyMedium,
               fontFamily = fontFamily,
               maxLines = 2,
               overflow = TextOverflow.Ellipsis)
+        },
+        supportingContent = {
           subtitle?.let { subtitle ->
             Text(
                 subtitle,
+                modifier = Modifier.padding(top = 8.dp),
                 style = MaterialTheme.typography.bodyMedium,
                 color = MaterialTheme.colorScheme.secondary)
           }
-                  }
+        },
+        trailingContent = {
           Icon(
               painterResource(R.drawable.clipboard),
               stringResource(R.string.copy_to_clipboard),
               modifier = Modifier.width(24.dp).height(24.dp),
               tint = ts_color_light_blue)
-            }
+        })
   }
 }

android/src/main/java/com/tailscale/ipn/ui/util/Lists.kt

@@ -8,15 +8,20 @@ import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.lazy.LazyItemScope
 import androidx.compose.foundation.lazy.LazyListScope
 import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.ListItem
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 
 object Lists {
   @Composable
-  fun SectionDivider() {
-    Box(Modifier.size(0.dp, 8.dp))
+  fun SectionDivider(title: String? = null) {
+    Box(Modifier.size(0.dp, 16.dp))
+    title?.let {
+      ListItem(headlineContent = { Text(title, style = MaterialTheme.typography.titleMedium) })
+    }
   }
 
   @Composable

android/src/main/java/com/tailscale/ipn/ui/view/BugReportView.kt

@@ -4,12 +4,11 @@
 package com.tailscale.ipn.ui.view
 
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.text.ClickableText
+import androidx.compose.material3.ListItem
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
@@ -24,12 +23,12 @@ import androidx.compose.ui.text.buildAnnotatedString
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.text.style.TextDecoration
 import androidx.compose.ui.text.withStyle
-import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.tailscale.ipn.R
 import com.tailscale.ipn.ui.Links
 import com.tailscale.ipn.ui.theme.ts_color_light_blue
 import com.tailscale.ipn.ui.util.ClipboardValueView
+import com.tailscale.ipn.ui.util.Lists
 import com.tailscale.ipn.ui.viewModel.BugReportViewModel
 
 @Composable
@@ -38,25 +37,30 @@ fun BugReportView(nav: BackNavigation, model: BugReportViewModel = viewModel())
   val bugReportID = model.bugReportID.collectAsState().value
 
   Scaffold(topBar = { Header(R.string.bug_report_title, onBack = nav.onBack) }) { innerPadding ->
-    Column(
-        modifier = Modifier.padding(innerPadding).padding(24.dp).fillMaxWidth().fillMaxHeight()) {
+    Column(modifier = Modifier.padding(innerPadding).fillMaxWidth().fillMaxHeight()) {
+      ListItem(
+          headlineContent = {
             ClickableText(
                 text = contactText(),
                 modifier = Modifier.fillMaxWidth(),
                 onClick = { handler.openUri(Links.SUPPORT_URL) })
+          })
 
-          Spacer(modifier = Modifier.height(16.dp))
+      Lists.SectionDivider()
 
       ClipboardValueView(bugReportID, title = stringResource(R.string.bug_report_id))
 
-          Spacer(modifier = Modifier.height(16.dp))
+      Lists.SectionDivider()
 
+      ListItem(
+          headlineContent = {
             Text(
                 text = stringResource(id = R.string.bug_report_id_desc),
                 modifier = Modifier.fillMaxWidth(),
                 textAlign = TextAlign.Left,
                 color = MaterialTheme.colorScheme.secondary,
                 style = MaterialTheme.typography.bodySmall)
+          })
     }
   }
 }

android/src/main/java/com/tailscale/ipn/ui/view/DNSSettingsView.kt

@@ -3,32 +3,28 @@
 
 package com.tailscale.ipn.ui.view
 
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.foundation.lazy.items
 import androidx.compose.material3.Scaffold
-import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.text.font.FontWeight
-import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.tailscale.ipn.R
 import com.tailscale.ipn.ui.model.DnsType
 import com.tailscale.ipn.ui.util.ClipboardValueView
+import com.tailscale.ipn.ui.util.Lists
 import com.tailscale.ipn.ui.util.LoadingIndicator
+import com.tailscale.ipn.ui.util.itemsWithDividers
 import com.tailscale.ipn.ui.viewModel.DNSEnablementState
 import com.tailscale.ipn.ui.viewModel.DNSSettingsViewModel
 import com.tailscale.ipn.ui.viewModel.DNSSettingsViewModelFactory
 
 data class ViewableRoute(val name: String, val resolvers: List<DnsType.Resolver>)
 
+@OptIn(ExperimentalFoundationApi::class)
 @Composable
 fun DNSSettingsView(
     nav: BackNavigation,
@@ -44,43 +40,30 @@ fun DNSSettingsView(
 
   Scaffold(topBar = { Header(R.string.dns_settings, onBack = nav.onBack) }) { innerPadding ->
     LoadingIndicator.Wrap {
-      LazyColumn(Modifier.padding(innerPadding).padding(16.dp)) {
+      LazyColumn(Modifier.padding(innerPadding)) {
         item("state") { FeatureStateView(state) }
 
         item("toggle") { SettingRow(model.useDNSSetting) }
 
         if (resolvers.isNotEmpty()) {
-          item("resolversHeader") {
-            Text(stringResource(R.string.resolvers), fontWeight = FontWeight.SemiBold)
-            Spacer(Modifier.size(8.dp))
-          }
+          item("resolversHeader") { Lists.SectionDivider(stringResource(R.string.resolvers)) }
 
-          items(resolvers) { resolver ->
-            ClipboardValueView(resolver.Addr.orEmpty())
-            Spacer(Modifier.size(8.dp))
-          }
+          itemsWithDividers(resolvers) { resolver -> ClipboardValueView(resolver.Addr.orEmpty()) }
         }
 
         if (domains.isNotEmpty()) {
-          item("domainsHeader") {
-            Text(stringResource(R.string.search_domains), fontWeight = FontWeight.SemiBold)
-            Spacer(Modifier.size(8.dp))
-          }
-          items(domains) { domain ->
-            ClipboardValueView(domain)
-            Spacer(Modifier.size(8.dp))
-          }
+          item("domainsHeader") { Lists.SectionDivider(stringResource(R.string.search_domains)) }
+
+          itemsWithDividers(domains) { domain -> ClipboardValueView(domain) }
         }
 
         if (routes.isNotEmpty()) {
-          item("routesHeader") { Spacer(Modifier.size(8.dp)) }
-          items(routes) { route ->
-            Text("Route: ${route.name}", fontWeight = FontWeight.SemiBold)
-            Spacer(Modifier.size(8.dp))
-            Column(verticalArrangement = Arrangement.spacedBy(8.dp)) {
-              route.resolvers.forEach { ClipboardValueView(it.Addr.orEmpty()) }
+          routes.forEach { route ->
+            item { Lists.SectionDivider("Route: ${route.name}") }
+
+            itemsWithDividers(route.resolvers) { resolver ->
+              ClipboardValueView(resolver.Addr.orEmpty())
             }
-            Spacer(Modifier.size(16.dp))
           }
         }
       }

android/src/main/java/com/tailscale/ipn/ui/view/ExitNodePicker.kt

@@ -13,6 +13,7 @@ import androidx.compose.material.icons.outlined.Check
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
 import androidx.compose.material3.ListItem
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
@@ -45,12 +46,11 @@ fun ExitNodePicker(
       val anyActive = model.anyActive.collectAsState()
 
       LazyColumn(modifier = Modifier.padding(innerPadding)) {
-        item(key = "runExitNode") {
-          RunAsExitNodeItem(nav = nav, viewModel = model)
-          Lists.SectionDivider()
-        }
+        item("allowLANAccessToggle") { SettingRow(model.allowLANAccessSetting) }
 
         item(key = "none") {
+          Lists.SectionDivider()
+
           ExitNodeItem(
               model,
               ExitNodePickerViewModel.ExitNode(
@@ -72,7 +72,10 @@ fun ExitNodePicker(
           }
         }
 
-        item("allowLANAccessToggle") { SettingRow(model.allowLANAccessSetting) }
+        item(key = "runExitNode") {
+          Lists.SectionDivider()
+          RunAsExitNodeItem(nav = nav, viewModel = model)
+        }
       }
     }
   }
@@ -88,8 +91,17 @@ fun ExitNodeItem(
     ListItem(
         modifier =
             Modifier.clickableOrGrayedOut(enabled = node.online) { viewModel.setExitNode(node) },
-        headlineContent = { Text(node.city.ifEmpty { node.label }) },
-        supportingContent = { if (!node.online) Text(stringResource(R.string.offline)) },
+        headlineContent = {
+          Text(
+              node.city.ifEmpty { node.label },
+              style =
+                  if (node.online) MaterialTheme.typography.titleMedium
+                  else MaterialTheme.typography.bodyMedium)
+        },
+        supportingContent = {
+          if (!node.online)
+              Text(stringResource(R.string.offline), style = MaterialTheme.typography.bodyMedium)
+        },
         trailingContent = {
           Row {
             if (node.selected) {
@@ -105,8 +117,16 @@ fun MullvadItem(nav: ExitNodePickerNav, count: Int, selected: Boolean) {
   Box {
     ListItem(
         modifier = Modifier.clickable { nav.onNavigateToMullvad() },
-        headlineContent = { Text(stringResource(R.string.mullvad_exit_nodes)) },
-        supportingContent = { Text("$count ${stringResource(R.string.nodes_available)}") },
+        headlineContent = {
+          Text(
+              stringResource(R.string.mullvad_exit_nodes),
+              style = MaterialTheme.typography.titleMedium)
+        },
+        supportingContent = {
+          Text(
+              "$count ${stringResource(R.string.nodes_available)}",
+              style = MaterialTheme.typography.bodyMedium)
+        },
         trailingContent = {
           if (selected) {
             Icon(Icons.Outlined.Check, contentDescription = stringResource(R.string.selected))
@@ -122,7 +142,11 @@ fun RunAsExitNodeItem(nav: ExitNodePickerNav, viewModel: ExitNodePickerViewModel
   Box {
     ListItem(
         modifier = Modifier.clickable { nav.onNavigateToRunAsExitNode() },
-        headlineContent = { Text(stringResource(id = R.string.run_as_exit_node)) },
+        headlineContent = {
+          Text(
+              stringResource(id = R.string.run_as_exit_node),
+              style = MaterialTheme.typography.titleMedium)
+        },
         trailingContent = {
           if (isRunningExitNode) {
             Text(stringResource(R.string.enabled))

android/src/main/java/com/tailscale/ipn/ui/view/FeatureStateView.kt

@@ -3,19 +3,15 @@
 
 package com.tailscale.ipn.ui.view
 
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.material3.Icon
+import androidx.compose.material3.ListItem
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import com.tailscale.ipn.ui.util.FeatureStateRepresentation
 
@@ -23,22 +19,16 @@ import com.tailscale.ipn.ui.util.FeatureStateRepresentation
 // a FeatureStateRepresentation.
 @Composable
 fun FeatureStateView(state: FeatureStateRepresentation) {
-  Row(
-      horizontalArrangement = Arrangement.spacedBy(12.dp),
-      modifier = Modifier.padding(bottom = 16.dp)) {
+  ListItem(
+      leadingContent = {
         Icon(
             painter = painterResource(state.symbolDrawable),
             contentDescription = null,
             tint = state.tint,
             modifier = Modifier.size(64.dp))
-        Column {
-          Text(
-              stringResource(state.title),
-              fontSize = MaterialTheme.typography.titleMedium.fontSize,
-              fontWeight = FontWeight.SemiBold)
-          Text(
-              stringResource(state.caption),
-              color = MaterialTheme.colorScheme.secondary)
-        }
-      }
+      },
+      headlineContent = {
+        Text(stringResource(state.title), style = MaterialTheme.typography.titleMedium)
+      },
+      supportingContent = { Text(stringResource(state.caption)) })
 }

android/src/main/java/com/tailscale/ipn/ui/view/MDMSettingsDebugView.kt

@@ -32,28 +32,31 @@ fun MDMSettingsDebugView(nav: BackNavigation, model: IpnViewModel = viewModel())
     ->
     val mdmSettings = IpnViewModel.mdmSettings.collectAsState().value
     LazyColumn(modifier = Modifier.padding(innerPadding)) {
-      itemsWithDividers(enumValues<BooleanSetting>()) { booleanSetting ->
+      itemsWithDividers(enumValues<BooleanSetting>(), key = { it.key }) { booleanSetting ->
         MDMSettingView(
             title = booleanSetting.localizedTitle,
             caption = booleanSetting.key,
             valueDescription = mdmSettings.get(booleanSetting).toString())
       }
 
-      itemsWithDividers(enumValues<StringSetting>(), forceLeading = true) { stringSetting ->
+      itemsWithDividers(enumValues<StringSetting>(), key = { it.key }, forceLeading = true) {
+          stringSetting ->
         MDMSettingView(
             title = stringSetting.localizedTitle,
             caption = stringSetting.key,
             valueDescription = mdmSettings.get(stringSetting).toString())
       }
 
-      itemsWithDividers(enumValues<ShowHideSetting>(), forceLeading = true) { showHideSetting ->
+      itemsWithDividers(enumValues<ShowHideSetting>(), key = { it.key }, forceLeading = true) {
+          showHideSetting ->
         MDMSettingView(
             title = showHideSetting.localizedTitle,
             caption = showHideSetting.key,
             valueDescription = mdmSettings.get(showHideSetting).toString())
       }
 
-      itemsWithDividers(enumValues<AlwaysNeverUserDecidesSetting>(), forceLeading = true) {
+      itemsWithDividers(
+          enumValues<AlwaysNeverUserDecidesSetting>(), key = { it.key }, forceLeading = true) {
               anuSetting ->
             MDMSettingView(
                 title = anuSetting.localizedTitle,
@@ -61,8 +64,8 @@ fun MDMSettingsDebugView(nav: BackNavigation, model: IpnViewModel = viewModel())
                 valueDescription = mdmSettings.get(anuSetting).toString())
           }
 
-      itemsWithDividers(enumValues<StringArraySetting>(), forceLeading = true) { stringArraySetting
-        ->
+      itemsWithDividers(enumValues<StringArraySetting>(), key = { it.key }, forceLeading = true) {
+          stringArraySetting ->
         MDMSettingView(
             title = stringArraySetting.localizedTitle,
             caption = stringArraySetting.key,

android/src/main/java/com/tailscale/ipn/ui/view/MullvadExitNodePickerList.kt

@@ -69,11 +69,14 @@ fun MullvadExitNodePickerList(
                       style = MaterialTheme.typography.titleLarge,
                   )
                 },
-                headlineContent = { Text(first.country) },
+                headlineContent = {
+                  Text(first.country, style = MaterialTheme.typography.titleMedium)
+                },
                 supportingContent = {
                   Text(
                       if (nodes.size == 1) first.city
-                      else "${nodes.size} ${stringResource(R.string.cities_available)}")
+                      else "${nodes.size} ${stringResource(R.string.cities_available)}",
+                      style = MaterialTheme.typography.bodyMedium)
                 },
                 trailingContent = {
                   if (nodes.size > 1 && nodes.selected || first.selected) {

android/src/main/java/com/tailscale/ipn/ui/view/TailnetLockSetupView.kt

@@ -3,9 +3,6 @@
 
 package com.tailscale.ipn.ui.view
 
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
@@ -13,6 +10,7 @@ import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.text.ClickableText
 import androidx.compose.material3.Icon
+import androidx.compose.material3.ListItem
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
@@ -33,6 +31,7 @@ import com.tailscale.ipn.R
 import com.tailscale.ipn.ui.Links
 import com.tailscale.ipn.ui.theme.ts_color_light_blue
 import com.tailscale.ipn.ui.util.ClipboardValueView
+import com.tailscale.ipn.ui.util.Lists
 import com.tailscale.ipn.ui.util.LoadingIndicator
 import com.tailscale.ipn.ui.viewModel.TailnetLockSetupViewModel
 import com.tailscale.ipn.ui.viewModel.TailnetLockSetupViewModelFactory
@@ -48,42 +47,33 @@ fun TailnetLockSetupView(
 
   Scaffold(topBar = { Header(R.string.tailnet_lock, onBack = nav.onBack) }) { innerPadding ->
     LoadingIndicator.Wrap {
-      LazyColumn(
-          verticalArrangement = Arrangement.spacedBy(10.dp),
-          modifier = Modifier.padding(innerPadding)) {
+      LazyColumn(modifier = Modifier.padding(innerPadding)) {
         item(key = "header") {
           ExplainerView()
           Spacer(Modifier.size(4.dp))
         }
 
-            items(items = statusItems) { statusItem ->
-              Row(
-                  horizontalArrangement = Arrangement.spacedBy(12.dp),
-                  modifier = Modifier.padding(horizontal = 16.dp)) {
+        items(items = statusItems, key = { "status_${it.title}" }) { statusItem ->
+          ListItem(
+              leadingContent = {
                 Icon(
                     painter = painterResource(id = statusItem.icon),
                     contentDescription = null,
                     tint = ts_color_light_blue)
-                    Text(stringResource(statusItem.title))
-                  }
+              },
+              headlineContent = { Text(stringResource(statusItem.title)) })
         }
 
         item(key = "nodeKey") {
-              Column(
-                  verticalArrangement = Arrangement.spacedBy(8.dp),
-                  modifier = Modifier.padding(horizontal = 16.dp)) {
-                    Spacer(Modifier.size(4.dp))
+          Lists.SectionDivider()
+
           ClipboardValueView(
               value = nodeKey,
               title = stringResource(R.string.node_key),
               subtitle = stringResource(R.string.node_key_explainer))
         }
-            }
 
         item(key = "tailnetLockKey") {
-              Column(
-                  verticalArrangement = Arrangement.spacedBy(8.dp),
-                  modifier = Modifier.padding(horizontal = 16.dp)) {
           ClipboardValueView(
               value = tailnetLockKey,
               title = stringResource(R.string.tailnet_lock_key),
@@ -92,7 +82,6 @@ fun TailnetLockSetupView(
       }
     }
   }
-  }
 }
 
 @Composable