Re-implement feature flags

Due to changes in upstream, some functionality can not be reproduced (such as server flags and workspace export).

Fixes #4976

lawnchair/src/app/lawnchair/ui/preferences/destinations/DebugMenuPreferences.kt

@@ -1,10 +1,8 @@
 package app.lawnchair.ui.preferences.destinations
 
-import android.content.Intent
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalContext
 import androidx.datastore.preferences.core.Preferences
 import app.lawnchair.preferences.PreferenceManager
 import app.lawnchair.preferences.getAdapter
@@ -12,6 +10,7 @@ import app.lawnchair.preferences.preferenceManager
 import app.lawnchair.preferences2.PreferenceManager2
 import app.lawnchair.preferences2.preferenceManager2
 import app.lawnchair.ui.preferences.LocalIsExpandedScreen
+import app.lawnchair.ui.preferences.LocalNavController
 import app.lawnchair.ui.preferences.components.controls.ClickablePreference
 import app.lawnchair.ui.preferences.components.controls.MainSwitchPreference
 import app.lawnchair.ui.preferences.components.controls.SwitchPreference
@@ -20,8 +19,7 @@ import app.lawnchair.ui.preferences.components.layout.PreferenceGroup
 import app.lawnchair.ui.preferences.components.layout.PreferenceLayout
 import app.lawnchair.ui.preferences.data.liveinfo.liveInformationManager
 import app.lawnchair.ui.preferences.data.liveinfo.model.LiveInformation
-import com.android.launcher3.settings.SettingsActivity
-import com.android.launcher3.uioverrides.flags.DevOptionsUiHelper
+import app.lawnchair.ui.preferences.navigation.FeatureFlags
 import com.patrykmichalik.opto.domain.Preference
 import kotlinx.coroutines.runBlocking
 
@@ -38,7 +36,7 @@ fun DebugMenuPreferences(
     val flags = remember { prefs.debugFlags }
     val flags2 = remember { prefs2.debugFlags }
     val textFlags = remember { prefs2.textFlags }
-    val context = LocalContext.current
+    val navController = LocalNavController.current
 
     val enableDebug = prefs.enableDebugMenu.getAdapter()
 
@@ -52,12 +50,7 @@ fun DebugMenuPreferences(
                 ClickablePreference(
                     label = "Feature flags",
                     onClick = {
-                        Intent(context, SettingsActivity::class.java)
-                            .putExtra(
-                                ":settings:fragment",
-                                DevOptionsUiHelper::class.java.name,
-                            )
-                            .also { context.startActivity(it) }
+                        navController.navigate(FeatureFlags)
                     },
                 )
                 ClickablePreference(

lawnchair/src/app/lawnchair/ui/preferences/destinations/FeatureFlagsPreference.kt

@@ -0,0 +1,197 @@
+package app.lawnchair.ui.preferences.destinations
+
+import android.content.Intent
+import android.widget.Toast
+import androidx.compose.foundation.lazy.LazyListScope
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.semantics.heading
+import androidx.compose.ui.semantics.semantics
+import androidx.core.content.edit
+import app.lawnchair.backup.ui.restoreBackupOpener
+import app.lawnchair.ui.preferences.LocalNavController
+import app.lawnchair.ui.preferences.components.controls.ClickablePreference
+import app.lawnchair.ui.preferences.components.layout.PreferenceLayoutLazyColumn
+import app.lawnchair.ui.preferences.components.layout.PreferenceTemplate
+import app.lawnchair.ui.preferences.navigation.CreateBackup
+import com.android.launcher3.Utilities
+import com.android.launcher3.util.OnboardingPrefs.ALL_APPS_VISITED_COUNT
+import com.android.launcher3.util.OnboardingPrefs.HOME_BOUNCE_COUNT
+import com.android.launcher3.util.OnboardingPrefs.HOME_BOUNCE_SEEN
+import com.android.launcher3.util.OnboardingPrefs.HOTSEAT_DISCOVERY_TIP_COUNT
+import com.android.launcher3.util.OnboardingPrefs.HOTSEAT_LONGPRESS_TIP_SEEN
+import com.android.launcher3.util.OnboardingPrefs.TASKBAR_EDU_TOOLTIP_STEP
+
+@Composable
+fun FeatureFlagsPreference(modifier: Modifier = Modifier) {
+    val context = LocalContext.current
+
+    PreferenceLayoutLazyColumn(
+        modifier = modifier,
+        label = "Feature Flags",
+    ) {
+        preferenceCategory("Server flags", "Long press to reset")
+        item(key = "server flag info") {
+            PreferenceTemplate(
+                title = {
+                    Text("To change server flags, update the .aconfig files found at the aconfig/ directory, then rebuild Launcher3.")
+                },
+            )
+        }
+
+        preferenceCategory("Gesture Navigation Sandbox", null)
+        items(
+            gestureSandboxActions,
+            key = { it.title },
+        ) {
+            IntentPreference(
+                label = it.title,
+                intent = it.intent,
+            )
+        }
+
+        preferenceCategory(
+            "Onboarding Flows",
+            "Reset these if you want to see the education again.",
+        )
+        items(
+            onboardingPrefs,
+            key = { it.title },
+        ) { item ->
+            OnboardingPreference(
+                title = item.title,
+                onEdit = {
+                    Utilities.getPrefs(context)
+                        .edit {
+                            item.keys.forEach { key -> remove(key) }
+                        }
+                    Toast.makeText(context, "Reset $item.title", Toast.LENGTH_SHORT).show()
+                },
+            )
+        }
+
+        preferenceCategory(
+            "Workspace grid layout",
+            "To share your current workspace, use Lawnchair's backup and restore system.",
+        )
+        item(key = "open_backup_system") {
+            val navController = LocalNavController.current
+            ClickablePreference(
+                "Export",
+            ) {
+                navController.navigate(CreateBackup)
+            }
+        }
+        item(key = "workspace_import") {
+            val opener = restoreBackupOpener()
+            ClickablePreference(
+                "Import",
+                onClick = opener,
+            )
+        }
+    }
+}
+
+// onboarding preferences
+private data class OnboardingPref(
+    val title: String,
+    val keys: List<String>,
+)
+
+private val onboardingPrefs = listOf(
+    OnboardingPref(
+        "All Apps Bounce",
+        listOf(HOME_BOUNCE_SEEN.sharedPrefKey, HOME_BOUNCE_COUNT.sharedPrefKey),
+    ),
+    OnboardingPref(
+        "Hybrid Hotseat Education",
+        listOf(HOTSEAT_DISCOVERY_TIP_COUNT.sharedPrefKey, HOTSEAT_LONGPRESS_TIP_SEEN.sharedPrefKey),
+    ),
+    OnboardingPref("Taskbar Education", listOf(TASKBAR_EDU_TOOLTIP_STEP.sharedPrefKey)),
+    OnboardingPref("All Apps Visited Count", listOf(ALL_APPS_VISITED_COUNT.sharedPrefKey)),
+)
+
+@Composable
+fun OnboardingPreference(
+    title: String,
+    onEdit: () -> Unit,
+    modifier: Modifier = Modifier,
+) {
+    ClickablePreference(
+        label = title,
+        subtitle = "Tap to reset",
+        modifier = modifier,
+    ) {
+        onEdit()
+    }
+}
+
+// gesture sandbox
+private data class GestureSandboxDebugAction(
+    val title: String,
+    val intent: Intent,
+)
+
+private val launchSandboxIntent =
+    Intent("com.android.quickstep.action.GESTURE_SANDBOX")
+        .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+
+private val gestureSandboxActions: List<GestureSandboxDebugAction> =
+    listOf(
+        GestureSandboxDebugAction(
+            title = "Launch Gesture Tutorial Steps menu",
+            intent = Intent(launchSandboxIntent).putExtra("use_tutorial_menu", true),
+        ),
+        GestureSandboxDebugAction(
+            title = "Launch Back Tutorial",
+            intent = Intent(launchSandboxIntent).putExtra("use_tutorial_menu", false)
+                .putExtra("tutorial_steps", arrayOf("BACK_NAVIGATION")),
+        ),
+        GestureSandboxDebugAction(
+            title = "Launch Home Tutorial",
+            intent = Intent(launchSandboxIntent).putExtra("use_tutorial_menu", false)
+                .putExtra("tutorial_steps", arrayOf("HOME_NAVIGATION")),
+        ),
+        GestureSandboxDebugAction(
+            title = "Launch Overview Tutorial",
+            intent = Intent(launchSandboxIntent).putExtra("use_tutorial_menu", false)
+                .putExtra("tutorial_steps", arrayOf("OVERVIEW_NAVIGATION")),
+        ),
+    )
+
+@Composable
+private fun IntentPreference(
+    label: String,
+    intent: Intent,
+    modifier: Modifier = Modifier,
+) {
+    val context = LocalContext.current
+    ClickablePreference(
+        label = label,
+        modifier = modifier,
+    ) {
+        context.startActivity(intent)
+    }
+}
+
+private fun LazyListScope.preferenceCategory(heading: String, description: String? = null) {
+    item(key = heading) {
+        PreferenceTemplate(
+            title = {
+                Text(
+                    heading,
+                    style = MaterialTheme.typography.titleSmall,
+                    color = MaterialTheme.colorScheme.primary,
+                    modifier = Modifier.semantics { this.heading() },
+                )
+            },
+            description = {
+                description?.let { Text(description) }
+            },
+        )
+    }
+}

lawnchair/src/app/lawnchair/ui/preferences/navigation/PreferenceNavigation.kt

@@ -27,6 +27,7 @@ import app.lawnchair.ui.preferences.destinations.DebugMenuPreferences
 import app.lawnchair.ui.preferences.destinations.DockPreferences
 import app.lawnchair.ui.preferences.destinations.DummyPreference
 import app.lawnchair.ui.preferences.destinations.ExperimentalFeaturesPreferences
+import app.lawnchair.ui.preferences.destinations.FeatureFlagsPreference
 import app.lawnchair.ui.preferences.destinations.FolderPreferences
 import app.lawnchair.ui.preferences.destinations.FontSelection
 import app.lawnchair.ui.preferences.destinations.GeneralPreferences
@@ -136,6 +137,7 @@ fun PreferenceNavigation(
         composable<AboutLicenses> { Acknowledgements() }
 
         composable<DebugMenu> { DebugMenuPreferences() }
+        composable<FeatureFlags> { FeatureFlagsPreference() }
 
         composable<SelectIcon> { backStackEntry ->
             val args: SelectIcon = backStackEntry.toRoute()

lawnchair/src/app/lawnchair/ui/preferences/navigation/PreferenceRoutes.kt

@@ -67,6 +67,9 @@ data object ExperimentalFeatures : PreferenceRootRoute
 @Serializable
 data object DebugMenu : PreferenceRootRoute
 
+@Serializable
+data object FeatureFlags : PreferenceRoute
+
 // General section routes
 @Serializable
 data class GeneralFontSelection(val prefKey: String) : PreferenceRoute