usage notes changes, audio changes, video quality increase.

gearslip/src/main/java/app/seb3thehacker/gearslip/ui/GearslipApp.kt

@@ -60,6 +60,8 @@ fun GearslipApp(onDisconnect: () -> Unit, onRequestCallScreening: () -> Unit) {
             },
         )
     }
+    // Home's usage notes row opens Settings at that section rather than at the top.
+    var settingsAtUsageNotes by rememberSaveable { mutableStateOf(false) }
     BackHandler(enabled = screen != Screen.HOME) {
         screen = if (screen == Screen.RECOMMENDED_APPS) Screen.SETTINGS else Screen.HOME
     }
@@ -95,18 +97,20 @@ fun GearslipApp(onDisconnect: () -> Unit, onRequestCallScreening: () -> Unit) {
             when (screen) {
                 Screen.HOME -> HomeScreen(
                     onOpenLogs = { screen = Screen.LOGS },
-                    onOpenSettings = { screen = Screen.SETTINGS },
+                    onOpenSettings = { settingsAtUsageNotes = false; screen = Screen.SETTINGS },
                     onOpenCarPreview = { screen = Screen.CAR_PREVIEW },
                     onOpenHelp = { screen = Screen.HELP },
+                    onOpenUsageNotes = { settingsAtUsageNotes = true; screen = Screen.SETTINGS },
                     onDisconnect = onDisconnect,
                 )
                 Screen.WHATS_NEW -> WhatsNewScreen(onBack = { screen = Screen.SETTINGS })
                 Screen.LOGS -> LogsScreen(onBack = { screen = Screen.HOME })
                 Screen.SETTINGS -> SettingsScreen(
                     onBack = { screen = Screen.HOME },
-                    onOpenRecommendedApps = { screen = Screen.RECOMMENDED_APPS },
-                    onOpenWhatsNew = { screen = Screen.WHATS_NEW },
+                    onOpenRecommendedApps = { settingsAtUsageNotes = false; screen = Screen.RECOMMENDED_APPS },
+                    onOpenWhatsNew = { settingsAtUsageNotes = false; screen = Screen.WHATS_NEW },
                     onReplayTutorial = { screen = Screen.SETUP_GUIDE },
+                    atUsageNotes = settingsAtUsageNotes,
                 )
                 Screen.RECOMMENDED_APPS -> RecommendedAppsScreen(onBack = { screen = Screen.SETTINGS })
                 Screen.CAR_PREVIEW -> CarPreviewScreen(onBack = { screen = Screen.HOME })

gearslip/src/main/java/app/seb3thehacker/gearslip/ui/HomeScreen.kt

@@ -48,6 +48,7 @@ fun HomeScreen(
     onOpenSettings: () -> Unit,
     onOpenCarPreview: () -> Unit,
     onOpenHelp: () -> Unit,
+    onOpenUsageNotes: () -> Unit,
     onDisconnect: () -> Unit,
 ) {
     val status by SessionStatus.state.collectAsStateWithLifecycle()
@@ -92,7 +93,6 @@ fun HomeScreen(
                 StatusCard(status)
                 Spacer(Modifier.height(16.dp))
                 UpdateCard()
-                UsageNotesHomeCard()
             }
 
             // Sits at the bottom, where a thumb reaches it.
@@ -106,6 +106,9 @@ fun HomeScreen(
                     Spacer(Modifier.height(16.dp))
                 }
 
+                UsageNotesHomeCard(onOpen = onOpenUsageNotes)
+                Spacer(Modifier.height(16.dp))
+
                 Surface(color = MaterialTheme.colorScheme.surfaceContainerHigh, shape = MaterialTheme.shapes.extraLarge) {
                     Column {
                         if (!live) {

gearslip/src/main/java/app/seb3thehacker/gearslip/ui/SettingsScreen.kt

@@ -57,6 +57,9 @@ import app.seb3thehacker.gearslip.BuildConfig
 import app.seb3thehacker.gearslip.CertProvider
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.snapshotFlow
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.withContext
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -66,7 +69,16 @@ fun SettingsScreen(
     onOpenRecommendedApps: () -> Unit,
     onOpenWhatsNew: () -> Unit,
     onReplayTutorial: () -> Unit,
+    atUsageNotes: Boolean = false,
 ) {
+    val scroll = rememberScrollState()
+    // Opened from Home's usage notes row: usage notes is the last section, so start at the end.
+    if (atUsageNotes) {
+        LaunchedEffect(Unit) {
+            snapshotFlow { scroll.maxValue }.first { it > 0 && it < Int.MAX_VALUE }
+            scroll.scrollTo(scroll.maxValue)
+        }
+    }
     Scaffold(
         containerColor = MaterialTheme.colorScheme.background,
         topBar = {
@@ -85,7 +97,7 @@ fun SettingsScreen(
                 .fillMaxSize()
                 .padding(padding)
                 .padding(horizontal = 24.dp)
-                .verticalScroll(rememberScrollState()),
+                .verticalScroll(scroll),
             verticalArrangement = Arrangement.spacedBy(24.dp),
         ) {
             Spacer(Modifier.height(0.dp))

gearslip/src/main/java/app/seb3thehacker/gearslip/ui/UsageStatsChoices.kt

@@ -1,6 +1,7 @@
 package app.seb3thehacker.gearslip.ui
 
 import androidx.compose.animation.AnimatedVisibility
+import android.content.Context
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.ColumnScope
@@ -9,6 +10,8 @@ import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.selection.toggleable
 import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.KeyboardArrowRight
+import androidx.compose.material.icons.filled.Check
 import androidx.compose.material.icons.filled.Info
 import androidx.compose.material.icons.filled.KeyboardArrowDown
 import androidx.compose.material.icons.filled.KeyboardArrowUp
@@ -83,11 +86,7 @@ internal fun ColumnScope.UsageStatsRows() {
     SettingsRow(
         "Send usage notes",
         Modifier.toggleable(on, role = Role.Switch) { on = it; save() },
-        subtitle = when {
-            BuildConfig.DEBUG -> "Dev build: nothing is ever sent"
-            BuildConfig.STATS_URL.isBlank() -> "This build has no stats server, so it sends nothing"
-            else -> null
-        },
+        subtitle = buildNote(),
         icon = Icons.Filled.Send,
         trailing = { Switch(checked = on, onCheckedChange = null) },
     )
@@ -126,14 +125,7 @@ internal fun ColumnScope.UsageStatsRows() {
             )
             AnimatedVisibility(noteOpen) {
                 // Rebuilt from the saved choices each time one changes, so it always matches.
-                val note = remember(choices) {
-                    val preview = UsageStats.preview(context, everything = true)
-                    // Until the first drive the list is empty, so show what one entry looks like.
-                    val example = if (preview.optJSONArray("sessions")?.length() == 0) {
-                        "\n\nExample, not sent: one drive adds this to \"sessions\"\n" + UsageStats.exampleSession.toString(2)
-                    } else ""
-                    preview.toString(2) + example
-                }
+                val note = remember(choices) { notePreview(context) }
                 Surface(
                     color = MaterialTheme.colorScheme.surfaceContainerLowest,
                     shape = MaterialTheme.shapes.medium,
@@ -164,23 +156,60 @@ private fun Choice(label: String, checked: Boolean, onChange: (Boolean) -> Unit)
     }
 }
 
-/** Usage notes on Home, always: the switch, and once it's on, what to share. */
+/** The note as it would go out now, with an example drive until a real one is in it. */
+private fun notePreview(context: Context): String {
+    val preview = UsageStats.preview(context, everything = true)
+    // Until the first drive the list is empty, so show what one entry looks like.
+    val example = if (preview.optJSONArray("sessions")?.length() == 0) {
+        "\n\nExample, not sent: one drive adds this to \"sessions\"\n" + UsageStats.exampleSession.toString(2)
+    } else ""
+    return preview.toString(2) + example
+}
+
+/** Why this build sends nothing, when it doesn't; null for a normal release. */
+private fun buildNote(): String? = when {
+    BuildConfig.DEBUG -> "Dev build: nothing is ever sent"
+    BuildConfig.STATS_URL.isBlank() -> "This build has no stats server, so it sends nothing"
+    else -> null
+}
+
+/**
+ * Usage notes on Home, one row with one action either way. While they're off, the row is the
+ * switch, so opting in is a single tap. Once they're on, it shrinks to a quiet line that opens
+ * Settings at its usage notes section, so a driver already sharing isn't pitched again.
+ */
 @Composable
-internal fun UsageNotesHomeCard(modifier: Modifier = Modifier) {
-    Column(modifier) {
-        Text(
-            USAGE_STATS_TITLE,
-            style = MaterialTheme.typography.labelLarge,
-            color = MaterialTheme.colorScheme.primary,
-            modifier = Modifier.padding(start = 16.dp, bottom = 4.dp),
-        )
-        Text(
-            "Share a short note after each drive, so the next driver knows whether Gearslip works " +
-                "in their car. No name, account, or location.",
-            style = MaterialTheme.typography.bodyMedium,
-            color = MaterialTheme.colorScheme.onSurfaceVariant,
-            modifier = Modifier.padding(start = 16.dp, end = 16.dp, bottom = 12.dp),
-        )
-        SettingsCard { UsageStatsRows() }
+internal fun UsageNotesHomeCard(onOpen: () -> Unit, modifier: Modifier = Modifier) {
+    val context = LocalContext.current
+    var on by remember { mutableStateOf(UsageStats.enabled(context)) }
+
+    SettingsCard(modifier) {
+        if (on) {
+            SettingsRow(
+                "Sharing usage notes",
+                Modifier.clickable(onClick = onOpen),
+                subtitle = buildNote(),
+                icon = Icons.Filled.Check,
+                trailing = {
+                    Icon(
+                        Icons.AutoMirrored.Filled.KeyboardArrowRight,
+                        contentDescription = null,
+                        tint = MaterialTheme.colorScheme.onSurfaceVariant,
+                    )
+                },
+            )
+        } else {
+            SettingsRow(
+                USAGE_STATS_TITLE,
+                Modifier.toggleable(false, role = Role.Switch) {
+                    UsageStats.set(context, true, UsageStats.choices(context))
+                    on = true
+                },
+                subtitle = buildNote() ?: ("A short note after each drive tells the next driver " +
+                    "whether their car works. No name, account, or location"),
+                icon = Icons.Filled.Send,
+                trailing = { Switch(checked = false, onCheckedChange = null) },
+            )
+        }
     }
 }