Add phone number verification settings and usage record

2026-08-06 14:26:05 -04:00 · 2026-08-01 23:38:50 -04:00 · 2026-08-01 23:38:50 -04:00 · 395864f0bf
commit 395864f0bf
parent 4510ced43d
14 changed files with 391 additions and 0 deletions
--- a/play-services-base/core/src/main/kotlin/org/microg/gms/settings/SettingsContract.kt
+++ b/play-services-base/core/src/main/kotlin/org/microg/gms/settings/SettingsContract.kt
@ -220,6 +220,24 @@ object SettingsContract {
        )
    }

+    object Constellation {
+        const val ID = "constellation"
+        fun getContentUri(context: Context) = Uri.withAppendedPath(getAuthorityUri(context), ID)
+        fun getContentType(context: Context) = "vnd.android.cursor.item/vnd.${getAuthority(context)}.$ID"
+
+        const val PHONE_NUMBER_VERIFICATION_ENABLED = "phone_number_verification_enabled"
+        const val PHONE_NUMBER_VERIFICATION_LAST_PACKAGE = "phone_number_verification_last_package"
+        const val PHONE_NUMBER_VERIFICATION_LAST_USED_AT_MS = "phone_number_verification_last_used_at_ms"
+        const val PHONE_NUMBER_VERIFICATION_LAST_SUCCESSFUL = "phone_number_verification_last_successful"
+
+        val PROJECTION = arrayOf(
+            PHONE_NUMBER_VERIFICATION_ENABLED,
+            PHONE_NUMBER_VERIFICATION_LAST_PACKAGE,
+            PHONE_NUMBER_VERIFICATION_LAST_USED_AT_MS,
+            PHONE_NUMBER_VERIFICATION_LAST_SUCCESSFUL,
+        )
+    }
+
    object Profile {
        const val ID = "profile"
        fun getContentUri(context: Context) = Uri.withAppendedPath(getAuthorityUri(context), ID)
--- a/play-services-base/core/src/main/kotlin/org/microg/gms/settings/SettingsProvider.kt
+++ b/play-services-base/core/src/main/kotlin/org/microg/gms/settings/SettingsProvider.kt
@ -18,6 +18,7 @@ import android.preference.PreferenceManager
 import org.microg.gms.common.PackageUtils.warnIfNotMainProcess
 import org.microg.gms.settings.SettingsContract.Auth
 import org.microg.gms.settings.SettingsContract.CheckIn
+import org.microg.gms.settings.SettingsContract.Constellation
 import org.microg.gms.settings.SettingsContract.DroidGuard
 import org.microg.gms.settings.SettingsContract.Exposure
 import org.microg.gms.settings.SettingsContract.GameProfile
@ -80,6 +81,7 @@ class SettingsProvider : ContentProvider() {
        Exposure.ID -> queryExposure(projection ?: Exposure.PROJECTION)
        SafetyNet.ID -> querySafetyNet(projection ?: SafetyNet.PROJECTION)
        DroidGuard.ID -> queryDroidGuard(projection ?: DroidGuard.PROJECTION)
+        Constellation.ID -> queryConstellation(projection ?: Constellation.PROJECTION)
        Profile.ID -> queryProfile(projection ?: Profile.PROJECTION)
        Location.ID -> queryLocation(projection ?: Location.PROJECTION)
        Vending.ID -> queryVending(projection ?: Vending.PROJECTION)
@ -103,6 +105,7 @@ class SettingsProvider : ContentProvider() {
            Exposure.ID -> updateExposure(values)
            SafetyNet.ID -> updateSafetyNet(values)
            DroidGuard.ID -> updateDroidGuard(values)
+            Constellation.ID -> updateConstellation(values)
            Profile.ID -> updateProfile(values)
            Location.ID -> updateLocation(values)
            Vending.ID -> updateVending(values)
@ -298,6 +301,31 @@ class SettingsProvider : ContentProvider() {
        editor.apply()
    }

+    private fun queryConstellation(p: Array<out String>): Cursor = MatrixCursor(p).addRow(p) { key ->
+        when (key) {
+            Constellation.PHONE_NUMBER_VERIFICATION_ENABLED -> getSettingsBoolean(key, false)
+            Constellation.PHONE_NUMBER_VERIFICATION_LAST_PACKAGE -> getSettingsString(key)
+            Constellation.PHONE_NUMBER_VERIFICATION_LAST_USED_AT_MS -> getSettingsLong(key, 0L)
+            Constellation.PHONE_NUMBER_VERIFICATION_LAST_SUCCESSFUL -> getSettingsBoolean(key, false)
+            else -> throw IllegalArgumentException("Unknown key: $key")
+        }
+    }
+
+    private fun updateConstellation(values: ContentValues) {
+        if (values.size() == 0) return
+        val editor = preferences.edit()
+        values.valueSet().forEach { (key, value) ->
+            when (key) {
+                Constellation.PHONE_NUMBER_VERIFICATION_ENABLED -> editor.putBoolean(key, value as Boolean)
+                Constellation.PHONE_NUMBER_VERIFICATION_LAST_PACKAGE -> editor.putString(key, value as String?)
+                Constellation.PHONE_NUMBER_VERIFICATION_LAST_USED_AT_MS -> editor.putLong(key, value as Long)
+                Constellation.PHONE_NUMBER_VERIFICATION_LAST_SUCCESSFUL -> editor.putBoolean(key, value as Boolean)
+                else -> throw IllegalArgumentException("Unknown key: $key")
+            }
+        }
+        editor.apply()
+    }
+
    private fun queryProfile(p: Array<out String>): Cursor = MatrixCursor(p).addRow(p) { key ->
        when (key) {
            Profile.PROFILE -> getSettingsString(key, "auto")
--- a/play-services-constellation/core/build.gradle
+++ b/play-services-constellation/core/build.gradle
@ -59,4 +59,6 @@ dependencies {
    implementation "com.squareup.okhttp3:okhttp:$okHttpVersion"
    api "com.squareup.wire:wire-runtime:$wireVersion"
    api "com.squareup.wire:wire-grpc-client:$wireVersion"
+
+    implementation "androidx.preference:preference-ktx:$preferenceVersion"
 }
--- a/play-services-constellation/core/src/main/kotlin/org/microg/gms/constellation/core/ConstellationStateStore.kt
+++ b/play-services-constellation/core/src/main/kotlin/org/microg/gms/constellation/core/ConstellationStateStore.kt
@ -18,6 +18,8 @@ import org.microg.gms.constellation.core.proto.ProceedResponse
 import org.microg.gms.constellation.core.proto.ServerTimestamp
 import org.microg.gms.constellation.core.proto.SyncResponse
 import org.microg.gms.constellation.core.proto.VerificationToken
+import org.microg.gms.settings.SettingsContract
+import org.microg.gms.settings.SettingsContract.Constellation

 private const val STATE_PREFS_NAME = "constellation_prefs"
 private const val TOKEN_PREFS_NAME = "com.google.android.gms.constellation"
@ -30,6 +32,11 @@ private const val KEY_PNVR_NOTICE_CONSENT = "pnvr_notice_consent"
 private const val KEY_PNVR_NOTICE_SOURCE = "pnvr_notice_source"
 private const val KEY_PNVR_NOTICE_VERSION = "pnvr_notice_version"
 private const val KEY_PNVR_NOTICE_UPDATED_AT_MS = "pnvr_notice_updated_at_ms"
+data class PhoneNumberVerificationRecord(
+    val packageName: String,
+    val usedAtMillis: Long,
+    val successful: Boolean
+)

 object ConstellationStateStore {
    fun loadVerificationTokens(context: Context): List<VerificationToken> {
@ -130,6 +137,43 @@ object ConstellationStateStore {
        }
    }

+    fun isPhoneNumberVerificationEnabled(context: Context): Boolean =
+        SettingsContract.getSettings(
+            context,
+            Constellation.getContentUri(context),
+            arrayOf(Constellation.PHONE_NUMBER_VERIFICATION_ENABLED)
+        ) { it.getInt(0) != 0 }
+
+    fun setPhoneNumberVerificationEnabled(context: Context, enabled: Boolean) {
+        SettingsContract.setSettings(context, Constellation.getContentUri(context)) {
+            put(Constellation.PHONE_NUMBER_VERIFICATION_ENABLED, enabled)
+        }
+    }
+
+    fun recordPhoneNumberVerification(context: Context, packageName: String, successful: Boolean) {
+        SettingsContract.setSettings(context, Constellation.getContentUri(context)) {
+            put(Constellation.PHONE_NUMBER_VERIFICATION_LAST_PACKAGE, packageName)
+            put(Constellation.PHONE_NUMBER_VERIFICATION_LAST_USED_AT_MS, System.currentTimeMillis())
+            put(Constellation.PHONE_NUMBER_VERIFICATION_LAST_SUCCESSFUL, successful)
+        }
+    }
+
+    fun loadLastPhoneNumberVerification(context: Context): PhoneNumberVerificationRecord? {
+        return SettingsContract.getSettings(
+            context,
+            Constellation.getContentUri(context),
+            Constellation.PROJECTION
+        ) { cursor ->
+            cursor.getString(1)?.let { packageName ->
+                PhoneNumberVerificationRecord(
+                    packageName,
+                    cursor.getLong(2),
+                    cursor.getInt(3) != 0
+                )
+            }
+        }
+    }
+
    private fun storeVerificationTokens(context: Context, tokens: List<VerificationToken>) {
        if (tokens.isEmpty()) return
        val filtered = tokens.filter {
--- a/play-services-constellation/core/src/main/kotlin/org/microg/gms/constellation/core/VerifyPhoneNumber.kt
+++ b/play-services-constellation/core/src/main/kotlin/org/microg/gms/constellation/core/VerifyPhoneNumber.kt
@ -176,6 +176,10 @@ private suspend fun handleVerifyPhoneNumberRequest(
    var phoneNumbers = emptyList<PhoneNumberInfo>()
    var verifications = emptyArray<PhoneNumberVerification>()
    val status = try {
+        if (!ConstellationStateStore.isPhoneNumberVerificationEnabled(context)) {
+            throw PhoneNumberVerificationDisabledException()
+        }
+
        when (readCallbackMode) {
            ReadCallbackMode.LEGACY -> {
                Log.d(TAG, "Using read-only mode")
@ -205,6 +209,7 @@ private suspend fun handleVerifyPhoneNumberRequest(
    } catch (e: Exception) {
        Log.e(TAG, "verifyPhoneNumber failed", e)
        when {
+            e is PhoneNumberVerificationDisabledException -> Status(5000)
            readCallbackMode != ReadCallbackMode.NONE -> Status.INTERNAL_ERROR
            e is GrpcException -> handleRpcError(e)
            e is NoConsentException -> Status(5001)
@ -212,6 +217,18 @@ private suspend fun handleVerifyPhoneNumberRequest(
        }
    }

+    val successful = status.isSuccess && when (readCallbackMode) {
+        ReadCallbackMode.NONE -> verifications.isNotEmpty() &&
+                (request.targetedSims.isEmpty() ||
+                        verifications.size == request.targetedSims.size) &&
+                verifications.all {
+                    it.verificationStatus == Verification.Status.STATUS_VERIFIED.toClientStatus()
+                }
+
+        else -> true
+    }
+    ConstellationStateStore.recordPhoneNumberVerification(context, callingPackage, successful)
+
    if (readCallbackMode == ReadCallbackMode.LEGACY ||
        readCallbackMode == ReadCallbackMode.NONE && legacyCallbackOnFullFlow
    ) {
@ -232,6 +249,8 @@ private suspend fun handleVerifyPhoneNumberRequest(
    )
 }

+private class PhoneNumberVerificationDisabledException : Exception("Phone number verification is disabled")
+
 private fun handleRpcError(error: GrpcException): Status {
    val statusCode = when (error.grpcStatus) {
        GrpcStatus.RESOURCE_EXHAUSTED -> 5008
--- a/play-services-constellation/core/src/main/kotlin/org/microg/gms/constellation/core/ui/PhoneNumberVerificationAppPreference.kt
+++ b/play-services-constellation/core/src/main/kotlin/org/microg/gms/constellation/core/ui/PhoneNumberVerificationAppPreference.kt
@ -0,0 +1,64 @@
+/*
+ * SPDX-FileCopyrightText: 2026, microG Project Team
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.microg.gms.constellation.core.ui
+
+import android.content.Context
+import android.text.format.DateUtils
+import android.util.AttributeSet
+import android.util.DisplayMetrics
+import android.widget.ImageView
+import android.widget.TextView
+import androidx.appcompat.content.res.AppCompatResources
+import androidx.preference.Preference
+import androidx.preference.PreferenceViewHolder
+import org.microg.gms.constellation.core.R
+import org.microg.gms.ui.getApplicationInfoIfExists
+
+class PhoneNumberVerificationAppPreference : Preference {
+    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int, defStyleRes: Int) : super(context, attrs, defStyleAttr, defStyleRes)
+    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(context, attrs, defStyleAttr)
+    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
+    constructor(context: Context) : super(context)
+
+    var packageName: String? = null
+        set(value) {
+            field = value
+            val packageManager = context.packageManager
+            val applicationInfo = packageManager.getApplicationInfoIfExists(value)
+            title = applicationInfo?.loadLabel(packageManager)?.toString() ?: value
+            icon = applicationInfo?.loadIcon(packageManager)
+                ?: AppCompatResources.getDrawable(context, android.R.mipmap.sym_def_app_icon)
+            notifyChanged()
+        }
+
+    var usedAtMillis: Long = 0L
+        set(value) {
+            field = value
+            notifyChanged()
+        }
+
+    init {
+        isPersistent = false
+        layoutResource = R.layout.preference_phone_number_verification_last_use
+    }
+
+    override fun onBindViewHolder(holder: PreferenceViewHolder) {
+        super.onBindViewHolder(holder)
+        val icon = holder.findViewById(android.R.id.icon)
+        if (icon is ImageView) {
+            icon.adjustViewBounds = true
+            icon.scaleType = ImageView.ScaleType.CENTER_INSIDE
+            icon.maxHeight = (32.0 * context.resources.displayMetrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT).toInt()
+        }
+        holder.findViewById(R.id.phone_number_verification_last_use_time)?.let {
+            (it as TextView).text = if (usedAtMillis > 0L) {
+                DateUtils.getRelativeTimeSpanString(usedAtMillis)
+            } else {
+                null
+            }
+        }
+    }
+}
--- a/play-services-constellation/core/src/main/kotlin/org/microg/gms/constellation/core/ui/PhoneNumberVerificationPreferencesFragment.kt
+++ b/play-services-constellation/core/src/main/kotlin/org/microg/gms/constellation/core/ui/PhoneNumberVerificationPreferencesFragment.kt
@ -0,0 +1,61 @@
+/*
+ * SPDX-FileCopyrightText: 2026, microG Project Team
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.microg.gms.constellation.core.ui
+
+import android.os.Bundle
+import androidx.preference.PreferenceCategory
+import androidx.preference.PreferenceFragmentCompat
+import org.microg.gms.constellation.core.ConstellationStateStore
+import org.microg.gms.constellation.core.R
+import org.microg.gms.ui.SwitchBarPreference
+
+class PhoneNumberVerificationPreferencesFragment : PreferenceFragmentCompat() {
+    private lateinit var enabled: SwitchBarPreference
+    private lateinit var lastUseCategory: PreferenceCategory
+    private lateinit var app: PhoneNumberVerificationAppPreference
+
+    override fun onCreatePreferences(savedInstanceState: Bundle?, rootKey: String?) {
+        addPreferencesFromResource(R.xml.preferences_phone_number_verification)
+    }
+
+    override fun onBindPreferences() {
+        enabled = preferenceScreen.findPreference(PREF_ENABLED) ?: enabled
+        lastUseCategory = preferenceScreen.findPreference(PREF_LAST_USE_CATEGORY) ?: lastUseCategory
+        app = preferenceScreen.findPreference(PREF_LAST_USE) ?: app
+        enabled.setOnPreferenceChangeListener { _, newValue ->
+            ConstellationStateStore.setPhoneNumberVerificationEnabled(
+                requireContext(),
+                newValue as Boolean
+            )
+            true
+        }
+    }
+
+    override fun onResume() {
+        super.onResume()
+        enabled.isChecked =
+            ConstellationStateStore.isPhoneNumberVerificationEnabled(requireContext())
+        val record = ConstellationStateStore.loadLastPhoneNumberVerification(requireContext())
+        lastUseCategory.isVisible = record != null
+        if (record != null) {
+            app.packageName = record.packageName
+            app.summary = getString(
+                if (record.successful) {
+                    R.string.phone_number_verification_result_success
+                } else {
+                    R.string.phone_number_verification_result_failure
+                }
+            )
+            app.usedAtMillis = record.usedAtMillis
+        }
+    }
+
+    companion object {
+        private const val PREF_ENABLED = "pref_phone_number_verification_enabled"
+        private const val PREF_LAST_USE_CATEGORY = "prefcat_phone_number_verification_last_use"
+        private const val PREF_LAST_USE = "pref_phone_number_verification_last_use"
+    }
+}
--- a/play-services-constellation/core/src/main/res/drawable/ic_phone.xml
+++ b/play-services-constellation/core/src/main/res/drawable/ic_phone.xml
@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ SPDX-FileCopyrightText: 2026, microG Project Team
+  ~ SPDX-License-Identifier: Apache-2.0
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:fillColor="#000"
+        android:pathData="M6.62,10.79c1.44,2.83 3.76,5.14 6.59,6.59l2.2,-2.2c0.27,-0.27 0.67,-0.36 1.02,-0.24 1.12,0.37 2.33,0.57 3.57,0.57 0.55,0 1,0.45 1,1V20c0,0.55 -0.45,1 -1,1C10.61,21 3,13.39 3,4c0,-0.55 0.45,-1 1,-1h3.5c0.55,0 1,0.45 1,1 0,1.25 0.2,2.45 0.57,3.57 0.11,0.35 0.03,0.74 -0.25,1.02l-2.2,2.2z" />
+</vector>
--- a/play-services-constellation/core/src/main/res/layout/preference_phone_number_verification_last_use.xml
+++ b/play-services-constellation/core/src/main/res/layout/preference_phone_number_verification_last_use.xml
@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ SPDX-FileCopyrightText: 2026, microG Project Team
+  ~ SPDX-License-Identifier: Apache-2.0
+  -->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="?android:attr/selectableItemBackground"
+    android:baselineAligned="false"
+    android:clipToPadding="false"
+    android:gravity="center_vertical"
+    android:minHeight="?android:attr/listPreferredItemHeightSmall"
+    android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+    android:paddingEnd="?android:attr/listPreferredItemPaddingEnd">
+
+    <LinearLayout
+        android:id="@+id/icon_frame"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="start|center_vertical"
+        android:minWidth="56dp"
+        android:orientation="horizontal"
+        android:paddingTop="4dp"
+        android:paddingEnd="12dp"
+        android:paddingBottom="4dp">
+
+        <ImageView
+            android:id="@android:id/icon"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:maxWidth="48dp"
+            android:maxHeight="48dp" />
+    </LinearLayout>
+
+    <RelativeLayout
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:paddingTop="16dp"
+        android:paddingBottom="16dp">
+
+        <TextView
+            android:id="@android:id/title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:ellipsize="marquee"
+            android:singleLine="true"
+            android:textAppearance="?android:attr/textAppearanceListItem" />
+
+        <TextView
+            android:id="@android:id/summary"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_below="@android:id/title"
+            android:layout_alignStart="@android:id/title"
+            android:maxLines="2"
+            android:textAppearance="?android:attr/textAppearanceListItemSecondary"
+            android:textColor="?android:attr/textColorSecondary" />
+    </RelativeLayout>
+
+    <TextView
+        android:id="@+id/phone_number_verification_last_use_time"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="12dp"
+        android:gravity="end|center_vertical"
+        android:maxLines="1"
+        android:textAppearance="?android:attr/textAppearanceListItemSecondary"
+        android:textColor="?android:attr/textColorSecondary" />
+</LinearLayout>
--- a/play-services-constellation/core/src/main/res/values/strings.xml
+++ b/play-services-constellation/core/src/main/res/values/strings.xml
@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ SPDX-FileCopyrightText: 2026, microG Project Team
+  ~ SPDX-License-Identifier: Apache-2.0
+  -->
+<resources>
+    <string name="phone_number_verification_title">Phone Number Verification</string>
+    <string name="phone_number_verification_enable">Enable phone number verification</string>
+    <string name="phone_number_verification_last_use_title">Last use</string>
+    <string name="phone_number_verification_result_success">Successful</string>
+    <string name="phone_number_verification_result_failure">Failed</string>
+    <string name="phone_number_verification_carrier_notice">Your carrier may charge you for texts and calls used for verification.</string>
+</resources>
--- a/play-services-constellation/core/src/main/res/xml/preferences_phone_number_verification.xml
+++ b/play-services-constellation/core/src/main/res/xml/preferences_phone_number_verification.xml
@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ SPDX-FileCopyrightText: 2026, microG Project Team
+  ~ SPDX-License-Identifier: Apache-2.0
+  -->
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <org.microg.gms.ui.SwitchBarPreference
+        android:key="pref_phone_number_verification_enabled"
+        android:persistent="false"
+        android:title="@string/phone_number_verification_enable" />
+
+    <PreferenceCategory
+        android:key="prefcat_phone_number_verification_last_use"
+        android:title="@string/phone_number_verification_last_use_title"
+        app:isPreferenceVisible="false">
+
+        <org.microg.gms.constellation.core.ui.PhoneNumberVerificationAppPreference
+            android:key="pref_phone_number_verification_last_use"
+            android:selectable="false"
+            app:iconSpaceReserved="false" />
+    </PreferenceCategory>
+
+    <PreferenceCategory android:layout="@layout/preference_category_no_label">
+        <org.microg.gms.ui.FooterPreference
+            android:selectable="false"
+            android:title="@string/phone_number_verification_carrier_notice" />
+    </PreferenceCategory>
+</PreferenceScreen>
--- a/play-services-core/src/main/kotlin/org/microg/gms/ui/SettingsFragment.kt
+++ b/play-services-core/src/main/kotlin/org/microg/gms/ui/SettingsFragment.kt
@ -13,6 +13,7 @@ import androidx.preference.Preference
 import androidx.preference.PreferenceCategory
 import com.google.android.gms.R
 import org.microg.gms.checkin.CheckinPreferences
+import org.microg.gms.constellation.core.ConstellationStateStore
 import org.microg.gms.gcm.GcmDatabase
 import org.microg.gms.gcm.GcmPrefs
 import org.microg.gms.safetynet.SafetyNetPreferences
@ -42,6 +43,10 @@ class SettingsFragment : ResourceSettingsFragment() {
            findNavController().navigate(requireContext(), R.id.openSafetyNetSettings)
            true
        }
+        findPreference<Preference>(PREF_PHONE_NUMBER_VERIFICATION)!!.onPreferenceClickListener = Preference.OnPreferenceClickListener {
+            findNavController().navigate(requireContext(), R.id.openPhoneNumberVerificationSettings)
+            true
+        }
        findPreference<Preference>(PREF_LOCATION)!!.onPreferenceClickListener = Preference.OnPreferenceClickListener {
            findNavController().navigate(requireContext(), R.id.openLocationSettings)
            true
@ -116,6 +121,13 @@ class SettingsFragment : ResourceSettingsFragment() {

        findPreference<Preference>(PREF_CHECKIN)!!.setSummary(if (CheckinPreferences.isEnabled(requireContext())) org.microg.gms.base.core.R.string.service_status_enabled_short else org.microg.gms.base.core.R.string.service_status_disabled_short)
        findPreference<Preference>(PREF_SNET)!!.setSummary(if (SafetyNetPreferences.isEnabled(requireContext())) org.microg.gms.base.core.R.string.service_status_enabled_short else org.microg.gms.base.core.R.string.service_status_disabled_short)
+        findPreference<Preference>(PREF_PHONE_NUMBER_VERIFICATION)!!.setSummary(
+            if (ConstellationStateStore.isPhoneNumberVerificationEnabled(requireContext())) {
+                org.microg.gms.base.core.R.string.service_status_enabled_short
+            } else {
+                org.microg.gms.base.core.R.string.service_status_disabled_short
+            }
+        )

        lifecycleScope.launchWhenResumed {
            val entries = getAllSettingsProviders(requireContext()).flatMap { it.getEntriesDynamic(requireContext()) }
@ -134,6 +146,7 @@ class SettingsFragment : ResourceSettingsFragment() {
        const val PREF_ABOUT = "pref_about"
        const val PREF_GCM = "pref_gcm"
        const val PREF_SNET = "pref_snet"
+        const val PREF_PHONE_NUMBER_VERIFICATION = "pref_phone_number_verification"
        const val PREF_LOCATION = "pref_location"
        const val PREF_CHECKIN = "pref_checkin"
        const val PREF_VENDING = "pref_vending"
--- a/play-services-core/src/main/res/navigation/nav_settings.xml
+++ b/play-services-core/src/main/res/navigation/nav_settings.xml
@ -23,6 +23,9 @@
        <action
            android:id="@+id/openSafetyNetSettings"
            app:destination="@id/safetyNetFragment" />
+        <action
+            android:id="@+id/openPhoneNumberVerificationSettings"
+            app:destination="@id/phoneNumberVerificationFragment" />
        <action
            android:id="@+id/openVendingSettings"
            app:destination="@id/vendingFragment" />
@ -163,6 +166,11 @@
            app:argType="string" />
    </fragment>

+    <fragment
+        android:id="@+id/phoneNumberVerificationFragment"
+        android:name="org.microg.gms.constellation.core.ui.PhoneNumberVerificationPreferencesFragment"
+        android:label="@string/phone_number_verification_title" />
+
    <!-- Play Store services -->

    <fragment
--- a/play-services-core/src/main/res/xml/preferences_start.xml
+++ b/play-services-core/src/main/res/xml/preferences_start.xml
@ -44,6 +44,10 @@
            android:icon="@drawable/ic_certificate"
            android:key="pref_snet"
            android:title="@string/service_name_device_attestation" />
+        <Preference
+            android:icon="@drawable/ic_phone"
+            android:key="pref_phone_number_verification"
+            android:title="@string/phone_number_verification_title" />
        <Preference
            android:icon="@drawable/ic_shop"
            android:key="pref_vending"