Add InstantAppDomainsPreference for Spa

To try:
1. adb shell am start -n com.android.settings/.spa.SpaActivity
2. Go to Apps -> All apps -> [One Instant App] -> Supported links

Bug: 236346018
Test: Unit test
Test: Manually with Settings App
Change-Id: I344ddb9c2f3dbc47d38554bf45f04ca7c26c0e5f

src/com/android/settings/spa/app/appinfo/AppInfoSettings.kt

@@ -98,7 +98,7 @@ private fun AppInfoSettings(packageInfoPresenter: PackageInfoPresenter) {
         // TODO: notification_settings
         AppPermissionPreference(app)
         AppStoragePreference(app)
-        // TODO: instant_app_launch_supported_domain_urls
+        InstantAppDomainsPreference(app)
         AppDataUsagePreference(app)
         AppTimeSpentPreference(app)
         AppBatteryPreference(app)

src/com/android/settings/spa/app/appinfo/InstantAppDomainsPreference.kt

@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.spa.app.appinfo
+
+import android.content.Context
+import android.content.pm.ApplicationInfo
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.State
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import com.android.settings.R
+import com.android.settings.Utils
+import com.android.settingslib.spa.framework.compose.collectAsStateWithLifecycle
+import com.android.settingslib.spa.framework.theme.SettingsDimension
+import com.android.settingslib.spa.widget.preference.Preference
+import com.android.settingslib.spa.widget.preference.PreferenceModel
+import com.android.settingslib.spaprivileged.framework.common.asUser
+import com.android.settingslib.spaprivileged.model.app.userHandle
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.flowOn
+import kotlinx.coroutines.flow.map
+
+@Composable
+fun InstantAppDomainsPreference(app: ApplicationInfo) {
+    val context = LocalContext.current
+    if (!app.isInstantApp) return
+
+    val presenter = remember { InstantAppDomainsPresenter(context, app) }
+    var openDialog by rememberSaveable { mutableStateOf(false) }
+
+    Preference(object : PreferenceModel {
+        override val title = stringResource(R.string.app_launch_supported_domain_urls_title)
+        override val summary = presenter.summaryFlow.collectAsStateWithLifecycle(
+            initialValue = stringResource(R.string.summary_placeholder),
+        )
+        override val onClick = { openDialog = true }
+    })
+
+    val domainsState = presenter.domainsFlow.collectAsStateWithLifecycle(initialValue = emptySet())
+    if (openDialog) {
+        Dialog(domainsState) {
+            openDialog = false
+        }
+    }
+}
+
+@Composable
+private fun Dialog(domainsState: State<Set<String>>, onDismissRequest: () -> Unit) {
+    AlertDialog(
+        onDismissRequest = onDismissRequest,
+        confirmButton = {},
+        title = {
+            Text(stringResource(R.string.app_launch_supported_domain_urls_title))
+        },
+        text = {
+            Column {
+                domainsState.value.forEach { domain ->
+                    Text(
+                        text = domain,
+                        modifier = Modifier.padding(vertical = SettingsDimension.itemPaddingAround),
+                    )
+                }
+            }
+        },
+    )
+}
+
+private class InstantAppDomainsPresenter(
+    private val context: Context,
+    private val app: ApplicationInfo,
+) {
+    private val userContext = context.asUser(app.userHandle)
+    private val userPackageManager = userContext.packageManager
+
+    val domainsFlow = flow {
+        emit(Utils.getHandledDomains(userPackageManager, app.packageName))
+    }.flowOn(Dispatchers.IO)
+
+    val summaryFlow = domainsFlow.map { entries ->
+        when (entries.size) {
+            0 -> context.getString(R.string.domain_urls_summary_none)
+            1 -> context.getString(R.string.domain_urls_summary_one, entries.first())
+            else -> context.getString(R.string.domain_urls_summary_some, entries.first())
+        }
+    }.flowOn(Dispatchers.IO)
+}