Merge "Show the disclaimer regarding WFC location privacy policy"
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 5c0256b..0a0e403 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -348,7 +348,7 @@
                   android:clearTaskOnLaunch="true"
                   android:excludeFromRecents="true"
                   android:exported="true"
-                  android:permission="android.permission.CONNECTIVITY_INTERNAL"
+                  android:permission="android.permission.NETWORK_STACK"
                   android:taskAffinity=""
                   android:theme="@*android:style/Theme.DeviceDefault.Light.Dialog.Alert">
             <intent-filter>
@@ -2812,7 +2812,7 @@
 
         <receiver android:name=".sim.SimSelectNotification">
             <intent-filter>
-                <action android:name="android.intent.action.SIM_STATE_CHANGED"></action>
+                <action android:name="android.intent.action.PRIMARY_SUBSCRIPTION_LIST_CHANGED"/>
             </intent-filter>
         </receiver>
 
diff --git a/res/values/arrays.xml b/res/values/arrays.xml
index a3a9865..930e21e 100644
--- a/res/values/arrays.xml
+++ b/res/values/arrays.xml
@@ -1165,4 +1165,17 @@
         <item>0</item>
     </string-array>
 
+    <!-- WiFi calling mode array -->
+    <string-array name="wifi_calling_mode_summaries" translatable="false">
+         <item>@string/wifi_calling_mode_wifi_preferred_summary</item>
+         <item>@string/wifi_calling_mode_cellular_preferred_summary</item>
+         <item>@string/wifi_calling_mode_wifi_only_summary</item>
+    </string-array>
+
+    <!-- WiFi calling mode array without wifi only mode -->
+    <string-array name="wifi_calling_mode_summaries_without_wifi_only" translatable="false">
+         <item>@string/wifi_calling_mode_wifi_preferred_summary</item>
+         <item>@string/wifi_calling_mode_cellular_preferred_summary</item>
+    </string-array>
+
 </resources>
diff --git a/res/values/attrs.xml b/res/values/attrs.xml
index 33573ac..181af40 100644
--- a/res/values/attrs.xml
+++ b/res/values/attrs.xml
@@ -149,6 +149,11 @@
         <attr name="aspectRatio" format="float" />
     </declare-styleable>
 
+    <declare-styleable name="ListWithEntrySummaryPreference">
+        <!-- Summaries of entry -->
+        <attr name="entrySummaries" format="reference" />
+    </declare-styleable>
+
     <!-- For UsageView -->
     <declare-styleable name="UsageView">
         <attr name="android:colorAccent" />
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index 2c52c3a..ae12511 100755
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -291,6 +291,15 @@
 
     <dimen name="password_requirement_textsize">14sp</dimen>
 
+    <!-- Visible vertical space we want to show below password edittext field when ime is shown.
+         The unit is sp as it is related to the text size of password requirement item. -->
+    <dimen name="visible_vertical_space_below_password">20sp</dimen>
+
+    <!-- Select dialog -->
+    <dimen name="select_dialog_padding_start">20dp</dimen>
+    <dimen name="select_dialog_item_margin_start">12dp</dimen>
+    <dimen name="select_dialog_summary_padding_bottom">8dp</dimen>
+
     <!-- Padding between the donut and the storage summary. -->
     <dimen name="storage_summary_padding_end">16dp</dimen>
     <!-- Text size of the big number in the donut. -->
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 2e21942..6cfe255 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2040,6 +2040,8 @@
 
     <!-- Dialog text to tell the user that the selected network does not have Internet access. -->
     <string name="no_internet_access_text">This network has no internet access. Stay connected?</string>
+    <!-- Dialog text to tell the user that the selected network has incomplete Internet access. [CHAR LIMIT=100] -->
+    <string name="partial_connectivity_text">Some apps and services may not work due to limited connectivity. Use anyway?</string>
     <string name="no_internet_access_remember">Don\u2019t ask again for this network</string>
 
     <!-- Dialog text to tell the user that the selected network has lost Internet access, and asking the user whether they want to avoid this network. -->
@@ -2302,7 +2304,7 @@
     <!-- Title of WFC preference item [CHAR LIMIT=30] -->
     <string name="wifi_calling_mode_title">Calling preference</string>
     <!-- Title of WFC preference selection dialog [CHAR LIMIT=30] -->
-    <string name="wifi_calling_mode_dialog_title">Wi-Fi calling mode</string>
+    <string name="wifi_calling_mode_dialog_title">Calling preference</string>
     <!-- Title of WFC roaming preference item [CHAR LIMIT=45] -->
     <string name="wifi_calling_roaming_mode_title">Roaming preference</string>
     <!-- Summary of WFC roaming preference item [CHAR LIMIT=NONE]-->
@@ -2310,9 +2312,9 @@
     <!-- WFC mode dialog [CHAR LIMIT=45] -->
     <string name="wifi_calling_roaming_mode_dialog_title">Roaming preference</string>
     <string-array name="wifi_calling_mode_choices">
-        <item>Wi-Fi preferred</item>
-        <item>Mobile preferred</item>
-        <item>Wi-Fi only</item>
+        <item>@*android:string/wfc_mode_wifi_preferred_summary</item>
+        <item>@*android:string/wfc_mode_cellular_preferred_summary</item>
+        <item>@*android:string/wfc_mode_wifi_only_summary</item>
     </string-array>
     <string-array name="wifi_calling_mode_choices_v2">
         <item>Wi-Fi</item>
@@ -2325,8 +2327,8 @@
         <item>"0"</item>
     </string-array>
     <string-array name="wifi_calling_mode_choices_without_wifi_only">
-        <item>Wi-Fi preferred</item>
-        <item>Mobile preferred</item>
+        <item>@*android:string/wfc_mode_wifi_preferred_summary</item>
+        <item>@*android:string/wfc_mode_cellular_preferred_summary</item>
     </string-array>
     <string-array name="wifi_calling_mode_choices_v2_without_wifi_only">
         <item>Wi-Fi</item>
@@ -2336,6 +2338,14 @@
         <item>"2"</item>
         <item>"1"</item>
     </string-array>
+
+    <!-- Summary of WFC preference item on the WFC preference selection dialog. [CHAR LIMIT=70]-->
+    <string name="wifi_calling_mode_wifi_preferred_summary">If Wi\u2011Fi is unavailable, use mobile network</string>
+    <!-- Summary of WFC preference item on the WFC preference selection dialog. [CHAR LIMIT=70]-->
+    <string name="wifi_calling_mode_cellular_preferred_summary">If mobile network is unavailable, use Wi\u2011Fi</string>
+    <!-- Summary of WFC preference item on the WFC preference selection dialog. [CHAR LIMIT=70]-->
+    <string name="wifi_calling_mode_wifi_only_summary">Call over Wi\u2011Fi. If Wi\u2011Fi is lost, call will end.</string>
+
     <!-- Wi-Fi Calling settings. Text displayed when Wi-Fi Calling is off -->
     <string name="wifi_calling_off_explanation">When Wi-Fi calling is on, your phone can route calls via Wi-Fi networks or your carrier\u2019s network, depending on your preference and which signal is stronger. Before turning on this feature, check with your carrier regarding fees and other details.<xliff:g id="additional_text" example="Learn More">%1$s</xliff:g></string>
     <!-- Wi-Fi Calling settings. Additional text displayed when Wi-Fi Calling is off. Default empty. [CHAR LIMIT=NONE] -->
@@ -3393,9 +3403,9 @@
     <!-- Reset settings complete toast text [CHAR LIMIT=75] -->
     <string name="reset_network_complete_toast">Network settings have been reset</string>
     <!-- Title of the error message shown when error happens during erase eSIM data [CHAR LIMIT=NONE] -->
-    <string name="reset_esim_error_title">Cant\u2019t reset eSIMs</string>
+    <string name="reset_esim_error_title">Can\u2019t reset eSIMs</string>
     <!-- Message of the error message shown when error happens during erase eSIM data [CHAR LIMIT=NONE] -->
-    <string name="reset_esim_error_msg">The eSIMs can\u2019tt be reset due to an error.</string>
+    <string name="reset_esim_error_msg">The eSIMs can\u2019t be reset due to an error.</string>
 
     <!-- Master Clear -->
     <!-- Button title to factory data reset the entire device -->
diff --git a/res/xml/single_choice_list_item_2.xml b/res/xml/single_choice_list_item_2.xml
new file mode 100644
index 0000000..ca80f44
--- /dev/null
+++ b/res/xml/single_choice_list_item_2.xml
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2018 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.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingStart="@dimen/select_dialog_padding_start"
+    android:paddingEnd="?android:attr/dialogPreferredPadding"
+    android:orientation="horizontal"
+    android:descendantFocusability="blocksDescendants">
+
+    <RadioButton
+        android:id="@+id/radio"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
+        android:clickable="false" />
+
+    <LinearLayout
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:orientation="vertical"
+        android:layout_marginStart="@dimen/select_dialog_item_margin_start"
+        android:layout_gravity="center_vertical">
+
+        <TextView
+            android:id="@+id/title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="?android:attr/textAppearanceMedium"
+            android:textColor="?android:attr/textColorAlertDialogListItem"
+            android:ellipsize="marquee" />
+
+        <TextView
+            android:id="@+id/summary"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingBottom="@dimen/select_dialog_summary_padding_bottom"
+            android:textAppearance="?android:attr/textAppearanceListItemSecondary"
+            android:textColor="?android:attr/textColorSecondary"
+            android:maxLines="10" />
+
+    </LinearLayout>
+</LinearLayout>
diff --git a/res/xml/wifi_calling_settings.xml b/res/xml/wifi_calling_settings.xml
index 0adb1e8..0276bdb 100644
--- a/res/xml/wifi_calling_settings.xml
+++ b/res/xml/wifi_calling_settings.xml
@@ -15,24 +15,27 @@
 -->
 
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+                  xmlns:settings="http://schemas.android.com/apk/res-auto"
                   android:key="wifi_calling_settings"
                   android:title="@string/wifi_calling_settings_title">
 
-    <ListPreference
+    <com.android.settings.wifi.calling.ListWithEntrySummaryPreference
             android:key="wifi_calling_mode"
             android:title="@string/wifi_calling_mode_title"
             android:summary="@string/wifi_calling_mode_title"
             android:entries="@array/wifi_calling_mode_choices"
             android:entryValues="@array/wifi_calling_mode_values"
-            android:dialogTitle="@string/wifi_calling_mode_dialog_title" />
+            android:dialogTitle="@string/wifi_calling_mode_dialog_title"
+            settings:entrySummaries="@array/wifi_calling_mode_summaries" />
 
-    <ListPreference
+    <com.android.settings.wifi.calling.ListWithEntrySummaryPreference
             android:key="wifi_calling_roaming_mode"
             android:title="@string/wifi_calling_roaming_mode_title"
             android:summary="@string/wifi_calling_roaming_mode_summary"
             android:entries="@array/wifi_calling_mode_choices_v2"
             android:entryValues="@array/wifi_calling_mode_values"
-            android:dialogTitle="@string/wifi_calling_roaming_mode_dialog_title" />
+            android:dialogTitle="@string/wifi_calling_roaming_mode_dialog_title"
+            settings:entrySummaries="@array/wifi_calling_mode_summaries" />
 
     <Preference
             android:key="emergency_address_key"
diff --git a/src/com/android/settings/RadioInfo.java b/src/com/android/settings/RadioInfo.java
index 6276b19..8da507b 100644
--- a/src/com/android/settings/RadioInfo.java
+++ b/src/com/android/settings/RadioInfo.java
@@ -455,6 +455,13 @@
         imsWfcProvisionedSwitch = (Switch) findViewById(R.id.wfc_provisioned_switch);
         eabProvisionedSwitch = (Switch) findViewById(R.id.eab_provisioned_switch);
 
+        if (!ImsManager.isImsSupportedOnDevice(phone.getContext())) {
+            imsVolteProvisionedSwitch.setVisibility(View.GONE);
+            imsVtProvisionedSwitch.setVisibility(View.GONE);
+            imsWfcProvisionedSwitch.setVisibility(View.GONE);
+            eabProvisionedSwitch.setVisibility(View.GONE);
+        }
+
         radioPowerOnSwitch = (Switch) findViewById(R.id.radio_power);
 
         mDownlinkKbps = (TextView) findViewById(R.id.dl_kbps);
@@ -604,8 +611,10 @@
                 R.string.radioInfo_menu_viewFDN).setOnMenuItemClickListener(mViewFDNCallback);
         menu.add(1, MENU_ITEM_VIEW_SDN, 0,
                 R.string.radioInfo_menu_viewSDN).setOnMenuItemClickListener(mViewSDNCallback);
-        menu.add(1, MENU_ITEM_GET_IMS_STATUS,
-                0, R.string.radioInfo_menu_getIMS).setOnMenuItemClickListener(mGetImsStatus);
+        if (ImsManager.isImsSupportedOnDevice(phone.getContext())) {
+            menu.add(1, MENU_ITEM_GET_IMS_STATUS,
+                    0, R.string.radioInfo_menu_getIMS).setOnMenuItemClickListener(mGetImsStatus);
+        }
         menu.add(1, MENU_ITEM_TOGGLE_DATA,
                 0, R.string.radio_info_data_connection_disable).setOnMenuItemClickListener(mToggleData);
         return true;
@@ -1357,6 +1366,9 @@
     }
 
     private void updateImsProvisionedState() {
+        if (!ImsManager.isImsSupportedOnDevice(phone.getContext())) {
+            return;
+        }
         log("updateImsProvisionedState isImsVolteProvisioned()=" + isImsVolteProvisioned());
         //delightful hack to prevent on-checked-changed calls from
         //actually forcing the ims provisioning to its transient/current value.
diff --git a/src/com/android/settings/ResetNetworkConfirm.java b/src/com/android/settings/ResetNetworkConfirm.java
index 99f2df6..950a0b0 100644
--- a/src/com/android/settings/ResetNetworkConfirm.java
+++ b/src/com/android/settings/ResetNetworkConfirm.java
@@ -154,20 +154,9 @@
                      SubscriptionManager.getPhoneId(mSubId)).factoryReset();
             restoreDefaultApn(context);
             esimFactoryReset(context, context.getPackageName());
-            // There has been issues when Sms raw table somehow stores orphan
-            // fragments. They lead to garbled message when new fragments come
-            // in and combied with those stale ones. In case this happens again,
-            // user can reset all network settings which will clean up this table.
-            cleanUpSmsRawTable(context);
         }
     };
 
-    private void cleanUpSmsRawTable(Context context) {
-        ContentResolver resolver = context.getContentResolver();
-        Uri uri = Uri.withAppendedPath(Telephony.Sms.CONTENT_URI, "raw/permanentDelete");
-        resolver.delete(uri, null, null);
-    }
-
     @VisibleForTesting
     void esimFactoryReset(Context context, String packageName) {
         if (mEraseEsim) {
diff --git a/src/com/android/settings/development/FileEncryptionPreferenceController.java b/src/com/android/settings/development/FileEncryptionPreferenceController.java
index 731f487..a988fdd 100644
--- a/src/com/android/settings/development/FileEncryptionPreferenceController.java
+++ b/src/com/android/settings/development/FileEncryptionPreferenceController.java
@@ -63,7 +63,8 @@
 
     @Override
     public void updateState(Preference preference) {
-        if (!TextUtils.equals("file", CryptoProperties.type().orElse("none"))) {
+        if (CryptoProperties.type().orElse(CryptoProperties.type_values.NONE) !=
+            CryptoProperties.type_values.FILE) {
             return;
         }
 
diff --git a/src/com/android/settings/sim/SimSelectNotification.java b/src/com/android/settings/sim/SimSelectNotification.java
index ebf34e5..891d171 100644
--- a/src/com/android/settings/sim/SimSelectNotification.java
+++ b/src/com/android/settings/sim/SimSelectNotification.java
@@ -16,6 +16,12 @@
 
 package com.android.settings.sim;
 
+import static android.telephony.TelephonyManager.EXTRA_DEFAULT_SUBSCRIPTION_ID;
+import static android.telephony.TelephonyManager.EXTRA_DEFAULT_SUBSCRIPTION_SELECT_FOR_ALL_TYPES;
+import static android.telephony.TelephonyManager.EXTRA_DEFAULT_SUBSCRIPTION_SELECT_TYPE;
+import static android.telephony.TelephonyManager.EXTRA_DEFAULT_SUBSCRIPTION_SELECT_TYPE_DATA;
+import static android.telephony.TelephonyManager.EXTRA_DEFAULT_SUBSCRIPTION_SELECT_TYPE_NONE;
+
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
@@ -23,19 +29,12 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.res.Resources;
-import android.provider.Settings;
-import androidx.core.app.NotificationCompat;
-import android.telephony.SubscriptionInfo;
 import android.telephony.SubscriptionManager;
-import android.telephony.TelephonyManager;
-import android.util.Log;
 
-import com.android.internal.telephony.IccCardConstants;
 import com.android.settings.R;
 import com.android.settings.Settings.SimSettingsActivity;
-import com.android.settings.Utils;
 
-import java.util.List;
+import androidx.core.app.NotificationCompat;
 
 public class SimSelectNotification extends BroadcastReceiver {
     private static final String TAG = "SimSelectNotification";
@@ -46,71 +45,24 @@
 
     @Override
     public void onReceive(Context context, Intent intent) {
-        final TelephonyManager telephonyManager = (TelephonyManager)
-                context.getSystemService(Context.TELEPHONY_SERVICE);
-        final SubscriptionManager subscriptionManager = SubscriptionManager.from(context);
-        final int numSlots = telephonyManager.getSimCount();
-
-        // Do not create notifications on single SIM devices or when provisioning i.e. Setup Wizard.
-        if (numSlots < 2 || !Utils.isDeviceProvisioned(context)) {
-            return;
-        }
-
         // Cancel any previous notifications
         cancelNotification(context);
-
-        // If sim state is not ABSENT or LOADED then ignore
-        String simStatus = intent.getStringExtra(IccCardConstants.INTENT_KEY_ICC_STATE);
-        if (!(IccCardConstants.INTENT_VALUE_ICC_ABSENT.equals(simStatus) ||
-                IccCardConstants.INTENT_VALUE_ICC_LOADED.equals(simStatus))) {
-            Log.d(TAG, "sim state is not Absent or Loaded");
-            return;
-        } else {
-            Log.d(TAG, "simstatus = " + simStatus);
-        }
-
-        int state;
-        for (int i = 0; i < numSlots; i++) {
-            state = telephonyManager.getSimState(i);
-            if (!(state == TelephonyManager.SIM_STATE_ABSENT
-                    || state == TelephonyManager.SIM_STATE_READY
-                    || state == TelephonyManager.SIM_STATE_UNKNOWN)) {
-                Log.d(TAG, "All sims not in valid state yet");
-                return;
-            }
-        }
-
-        List<SubscriptionInfo> sil = subscriptionManager.getActiveSubscriptionInfoList();
-        if (sil == null || sil.size() < 1) {
-            Log.d(TAG, "Subscription list is empty");
-            return;
-        }
-
-        // Clear defaults for any subscriptions which no longer exist
-        subscriptionManager.clearDefaultsForInactiveSubIds();
-
-        boolean dataSelected = SubscriptionManager.isUsableSubIdValue(
-                SubscriptionManager.getDefaultDataSubscriptionId());
-        boolean smsSelected = SubscriptionManager.isUsableSubIdValue(
-                SubscriptionManager.getDefaultSmsSubscriptionId());
-
-        // If data and sms defaults are selected, dont show notification (Calls default is optional)
-        if (dataSelected && smsSelected) {
-            Log.d(TAG, "Data & SMS default sims are selected. No notification");
-            return;
-        }
-
         // Create a notification to tell the user that some defaults are missing
         createNotification(context);
 
-        if (sil.size() == 1) {
+        int dialogType = intent.getIntExtra(EXTRA_DEFAULT_SUBSCRIPTION_SELECT_TYPE,
+                EXTRA_DEFAULT_SUBSCRIPTION_SELECT_TYPE_NONE);
+        if (dialogType == EXTRA_DEFAULT_SUBSCRIPTION_SELECT_FOR_ALL_TYPES) {
+            int subId = intent.getIntExtra(EXTRA_DEFAULT_SUBSCRIPTION_ID,
+                    SubscriptionManager.DEFAULT_SUBSCRIPTION_ID);
+            int slotIndex = SubscriptionManager.getSlotIndex(subId);
             // If there is only one subscription, ask if user wants to use if for everything
             Intent newIntent = new Intent(context, SimDialogActivity.class);
             newIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
             newIntent.putExtra(SimDialogActivity.DIALOG_TYPE_KEY, SimDialogActivity.PREFERRED_PICK);
-            newIntent.putExtra(SimDialogActivity.PREFERRED_SIM, sil.get(0).getSimSlotIndex());
+            newIntent.putExtra(SimDialogActivity.PREFERRED_SIM, slotIndex);
             context.startActivity(newIntent);
-        } else if (!dataSelected) {
+        } else if (dialogType == EXTRA_DEFAULT_SUBSCRIPTION_SELECT_TYPE_DATA) {
             // If there are mulitple, ensure they pick default data
             Intent newIntent = new Intent(context, SimDialogActivity.class);
             newIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
diff --git a/src/com/android/settings/wifi/WifiNoInternetDialog.java b/src/com/android/settings/wifi/WifiNoInternetDialog.java
index b175665..e641f2c 100644
--- a/src/com/android/settings/wifi/WifiNoInternetDialog.java
+++ b/src/com/android/settings/wifi/WifiNoInternetDialog.java
@@ -38,6 +38,7 @@
 import com.android.settings.R;
 
 import static android.net.ConnectivityManager.ACTION_PROMPT_LOST_VALIDATION;
+import static android.net.ConnectivityManager.ACTION_PROMPT_PARTIAL_CONNECTIVITY;
 import static android.net.ConnectivityManager.ACTION_PROMPT_UNVALIDATED;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_VALIDATED;
 
@@ -53,8 +54,9 @@
     private String mAction;
 
     private boolean isKnownAction(Intent intent) {
-        return intent.getAction().equals(ACTION_PROMPT_UNVALIDATED) ||
-                intent.getAction().equals(ACTION_PROMPT_LOST_VALIDATION);
+        return intent.getAction().equals(ACTION_PROMPT_UNVALIDATED)
+                || intent.getAction().equals(ACTION_PROMPT_LOST_VALIDATION)
+                || intent.getAction().equals(ACTION_PROMPT_PARTIAL_CONNECTIVITY);
     }
 
     @Override
@@ -131,6 +133,11 @@
             ap.mMessage = getString(R.string.no_internet_access_text);
             ap.mPositiveButtonText = getString(R.string.yes);
             ap.mNegativeButtonText = getString(R.string.no);
+        } else if (ACTION_PROMPT_PARTIAL_CONNECTIVITY.equals(mAction)) {
+            ap.mTitle = mNetworkName;
+            ap.mMessage = getString(R.string.partial_connectivity_text);
+            ap.mPositiveButtonText = getString(R.string.yes);
+            ap.mNegativeButtonText = getString(R.string.no);
         } else {
             ap.mTitle = getString(R.string.lost_internet_access_title);
             ap.mMessage = getString(R.string.lost_internet_access_text);
@@ -146,7 +153,8 @@
         ap.mView = checkbox;
         mAlwaysAllow = (CheckBox) checkbox.findViewById(com.android.internal.R.id.alwaysUse);
 
-        if (ACTION_PROMPT_UNVALIDATED.equals(mAction)) {
+        if (ACTION_PROMPT_UNVALIDATED.equals(mAction)
+                || ACTION_PROMPT_PARTIAL_CONNECTIVITY.equals(mAction)) {
             mAlwaysAllow.setText(getString(R.string.no_internet_access_remember));
         } else {
             mAlwaysAllow.setText(getString(R.string.lost_internet_access_persist));
@@ -174,6 +182,11 @@
             final boolean accept = (which == BUTTON_POSITIVE);
             action = (accept ? "Connect" : "Ignore");
             mCM.setAcceptUnvalidated(mNetwork, accept, always);
+        } else if (ACTION_PROMPT_PARTIAL_CONNECTIVITY.equals(mAction)) {
+            what = "PARTIAL_CONNECTIVITY";
+            final boolean accept = (which == BUTTON_POSITIVE);
+            action = (accept ? "Connect" : "Ignore");
+            mCM.setAcceptPartialConnectivity(mNetwork, accept, always);
         } else {
             what = "LOST_INTERNET";
             final boolean avoid = (which == BUTTON_POSITIVE);
diff --git a/src/com/android/settings/wifi/calling/ListWithEntrySummaryPreference.java b/src/com/android/settings/wifi/calling/ListWithEntrySummaryPreference.java
new file mode 100644
index 0000000..c24ff2b
--- /dev/null
+++ b/src/com/android/settings/wifi/calling/ListWithEntrySummaryPreference.java
@@ -0,0 +1,204 @@
+/*
+ * Copyright (C) 2018 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.wifi.calling;
+
+import android.app.AlertDialog.Builder;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.res.TypedArray;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ListAdapter;
+import android.widget.RadioButton;
+import android.widget.TextView;
+
+import com.android.settings.CustomListPreference;
+import com.android.settings.R;
+
+/**
+ * ListPreference contain the entry summary.
+ */
+public class ListWithEntrySummaryPreference extends CustomListPreference {
+    private static final String LOG_TAG = "ListWithEntrySummaryPreference";
+    private final Context mContext;
+    private CharSequence[] mSummaries;
+
+    /**
+     * ListWithEntrySummaryPreference constructor.
+     *
+     * @param context The context of view.
+     * @param attrs The attributes of the XML tag that is inflating the linear layout.
+     */
+    public ListWithEntrySummaryPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        mContext = context;
+
+        TypedArray array = context.obtainStyledAttributes(attrs,
+                R.styleable.ListWithEntrySummaryPreference, 0, 0);
+        mSummaries = array.getTextArray(R.styleable.ListWithEntrySummaryPreference_entrySummaries);
+        array.recycle();
+    }
+
+    /**
+     * Sets the summaries of mode items to be shown in the mode select dialog.
+     *
+     * @param summariesResId The summaries of mode items.
+     */
+    public void setEntrySummaries(int summariesResId) {
+        mSummaries = getContext().getResources().getTextArray(summariesResId);
+    }
+
+    /**
+     * Sets the summaries of mode items to be shown in the mode select dialog.
+     *
+     * @param summaries The summaries of mode items.
+     */
+    public void setEntrySummaries(CharSequence[] summaries) {
+        mSummaries = summaries;
+    }
+
+    private CharSequence getEntrySummary(int index) {
+        if (mSummaries == null) {
+            Log.w(LOG_TAG, "getEntrySummary : mSummaries is null");
+            return "";
+        }
+        return mSummaries[index];
+    }
+
+    @Override
+    protected void onPrepareDialogBuilder(Builder builder,
+            DialogInterface.OnClickListener listener) {
+        ListAdapter la = (ListAdapter) new SelectorAdapter(mContext,
+                R.xml.single_choice_list_item_2, this);
+        builder.setSingleChoiceItems(la, findIndexOfValue(getValue()), listener);
+        super.onPrepareDialogBuilder(builder, listener);
+    }
+
+    private static class SelectorAdapter extends ArrayAdapter<CharSequence> {
+        private final Context mContext;
+        private ListWithEntrySummaryPreference mSelector;
+
+        /**
+         * SelectorAdapter constructor.
+         *
+         * @param context The current context.
+         * @param rowResourceId The resource id of the XML tag that is inflating the linear layout.
+         * @param listPreference The instance of ListWithEntrySummaryPreference.
+         */
+        public SelectorAdapter(Context context, int rowResourceId,
+                ListWithEntrySummaryPreference listPreference) {
+            super(context, rowResourceId, listPreference.getEntryValues());
+            mContext = context;
+            mSelector = listPreference;
+        }
+
+        @Override
+        public View getView(int position, View convertView, ViewGroup parent) {
+            LayoutInflater inflater = LayoutInflater.from(mContext);
+            View row = inflater.inflate(R.xml.single_choice_list_item_2, parent, false);
+
+            TextView title = (TextView) row.findViewById(R.id.title);
+            title.setText(mSelector.getEntries()[position]);
+
+            TextView summary = (TextView) row.findViewById(R.id.summary);
+            summary.setText(mSelector.getEntrySummary(position));
+
+            RadioButton rb = (RadioButton) row.findViewById(R.id.radio);
+            if (position == mSelector.findIndexOfValue(mSelector.getValue())) {
+                rb.setChecked(true);
+            }
+
+            return row;
+        }
+    }
+
+    @Override
+    protected Parcelable onSaveInstanceState() {
+        final Parcelable superState = super.onSaveInstanceState();
+
+        final SavedState myState = new SavedState(superState);
+        myState.mEntries = getEntries();
+        myState.mEntryValues = getEntryValues();
+        myState.mSummaries = mSummaries;
+        return myState;
+    }
+
+    @Override
+    protected void onRestoreInstanceState(Parcelable state) {
+        if (state == null || !state.getClass().equals(SavedState.class)) {
+            // Didn't save state for us in onSaveInstanceState
+            super.onRestoreInstanceState(state);
+            return;
+        }
+
+        SavedState myState = (SavedState) state;
+        super.onRestoreInstanceState(myState.getSuperState());
+        setEntries(myState.mEntries);
+        setEntryValues(myState.mEntryValues);
+        mSummaries = myState.mSummaries;
+    }
+
+    /**
+     *  We save entries, entryValues and summaries into bundle.
+     *  At onCreate of fragment, dialog will be restored if it was open. In this case,
+     *  we need to restore entries, entryValues and summaries. Without those information,
+     *  crash when entering multi window during wfc modes dialog shown.
+     */
+    private static class SavedState extends BaseSavedState {
+        private CharSequence[] mEntries;
+        private CharSequence[] mEntryValues;
+        private CharSequence[] mSummaries;
+
+        public SavedState(Parcel source) {
+            super(source);
+            mEntries = source.readCharSequenceArray();
+            mEntryValues = source.readCharSequenceArray();
+            mSummaries = source.readCharSequenceArray();
+        }
+
+        @Override
+        public void writeToParcel(Parcel dest, int flags) {
+            super.writeToParcel(dest, flags);
+            dest.writeCharSequenceArray(mEntries);
+            dest.writeCharSequenceArray(mEntryValues);
+            dest.writeCharSequenceArray(mSummaries);
+        }
+
+        public SavedState(Parcelable superState) {
+            super(superState);
+        }
+
+        public static final Parcelable.Creator<SavedState> CREATOR =
+                new Parcelable.Creator<SavedState>() {
+            @Override
+            public SavedState createFromParcel(Parcel in) {
+                return new SavedState(in);
+            }
+
+            @Override
+            public SavedState[] newArray(int size) {
+                return new SavedState[size];
+            }
+        };
+    }
+}
diff --git a/src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java b/src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java
index 9449922..34963e0 100644
--- a/src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java
+++ b/src/com/android/settings/wifi/calling/WifiCallingSettingsForSub.java
@@ -86,8 +86,8 @@
     //UI objects
     private SwitchBar mSwitchBar;
     private Switch mSwitch;
-    private ListPreference mButtonWfcMode;
-    private ListPreference mButtonWfcRoamingMode;
+    private ListWithEntrySummaryPreference mButtonWfcMode;
+    private ListWithEntrySummaryPreference mButtonWfcRoamingMode;
     private Preference mUpdateAddress;
     private TextView mEmptyView;
 
@@ -265,10 +265,11 @@
 
         mImsManager = getImsManager();
 
-        mButtonWfcMode = (ListPreference) findPreference(BUTTON_WFC_MODE);
+        mButtonWfcMode = (ListWithEntrySummaryPreference) findPreference(BUTTON_WFC_MODE);
         mButtonWfcMode.setOnPreferenceChangeListener(this);
 
-        mButtonWfcRoamingMode = (ListPreference) findPreference(BUTTON_WFC_ROAMING_MODE);
+        mButtonWfcRoamingMode = (ListWithEntrySummaryPreference) findPreference(
+                BUTTON_WFC_ROAMING_MODE);
         mButtonWfcRoamingMode.setOnPreferenceChangeListener(this);
 
         mUpdateAddress = (Preference) findPreference(PREFERENCE_EMERGENCY_ADDRESS);
@@ -329,10 +330,14 @@
         if (!isWifiOnlySupported) {
             mButtonWfcMode.setEntries(R.array.wifi_calling_mode_choices_without_wifi_only);
             mButtonWfcMode.setEntryValues(R.array.wifi_calling_mode_values_without_wifi_only);
+            mButtonWfcMode.setEntrySummaries(R.array.wifi_calling_mode_summaries_without_wifi_only);
+
             mButtonWfcRoamingMode.setEntries(
                     R.array.wifi_calling_mode_choices_v2_without_wifi_only);
             mButtonWfcRoamingMode.setEntryValues(
                     R.array.wifi_calling_mode_values_without_wifi_only);
+            mButtonWfcRoamingMode.setEntrySummaries(
+                    R.array.wifi_calling_mode_summaries_without_wifi_only);
         }
 
 
diff --git a/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java b/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
index fda5ce4..dece927 100644
--- a/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
+++ b/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
@@ -16,6 +16,7 @@
 package com.android.settings.wifi.details;
 
 import static android.net.NetworkCapabilities.NET_CAPABILITY_CAPTIVE_PORTAL;
+import static android.net.NetworkCapabilities.NET_CAPABILITY_PARTIAL_CONNECTIVITY;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_VALIDATED;
 import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
 
@@ -192,12 +193,14 @@
 
         @Override
         public void onCapabilitiesChanged(Network network, NetworkCapabilities nc) {
-            // If the network just validated or lost Internet access, refresh network state.
-            // Don't do this on every NetworkCapabilities change because refreshNetworkState
-            // sends IPCs to the system server from the UI thread, which can cause jank.
+            // If the network just validated or lost Internet access or detected partial internet
+            // connectivity, refresh network state. Don't do this on every NetworkCapabilities
+            // change because refreshNetworkState sends IPCs to the system server from the UI
+            // thread, which can cause jank.
             if (network.equals(mNetwork) && !nc.equals(mNetworkCapabilities)) {
-                if (hasCapabilityChanged(nc, NET_CAPABILITY_VALIDATED) ||
-                        hasCapabilityChanged(nc, NET_CAPABILITY_CAPTIVE_PORTAL)) {
+                if (hasCapabilityChanged(nc, NET_CAPABILITY_VALIDATED)
+                        || hasCapabilityChanged(nc, NET_CAPABILITY_CAPTIVE_PORTAL)
+                        || hasCapabilityChanged(nc, NET_CAPABILITY_PARTIAL_CONNECTIVITY)) {
                     refreshNetworkState();
                 }
                 mNetworkCapabilities = nc;
diff --git a/tests/robotests/src/com/android/settings/development/FileEncryptionPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/FileEncryptionPreferenceControllerTest.java
index afd465a..fb5eaab 100644
--- a/tests/robotests/src/com/android/settings/development/FileEncryptionPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/FileEncryptionPreferenceControllerTest.java
@@ -91,7 +91,7 @@
         ReflectionHelpers.setField(mController, "mStorageManager", mStorageManager);
         when(mStorageManager.isConvertibleToFBE()).thenReturn(true);
         mController.displayPreference(mPreferenceScreen);
-        CryptoProperties.type("foobar");
+        CryptoProperties.type(CryptoProperties.type_values.NONE);
 
         mController.updateState(mPreference);
 
@@ -105,7 +105,7 @@
         ReflectionHelpers.setField(mController, "mStorageManager", mStorageManager);
         when(mStorageManager.isConvertibleToFBE()).thenReturn(true);
         mController.displayPreference(mPreferenceScreen);
-        CryptoProperties.type("file");
+        CryptoProperties.type(CryptoProperties.type_values.FILE);
 
         mController.updateState(mPreference);
 
diff --git a/tests/robotests/src/com/android/settings/wifi/calling/ListWithEntrySummaryPreferenceTest.java b/tests/robotests/src/com/android/settings/wifi/calling/ListWithEntrySummaryPreferenceTest.java
new file mode 100644
index 0000000..0cef231
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/wifi/calling/ListWithEntrySummaryPreferenceTest.java
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2018 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.wifi.calling;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.app.AlertDialog;
+import android.content.Context;
+import android.os.Parcelable;
+import android.widget.ListAdapter;
+import android.widget.TextView;
+
+import com.android.settings.R;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+import java.io.IOException;
+
+@RunWith(RobolectricTestRunner.class)
+public class ListWithEntrySummaryPreferenceTest {
+
+    private Context mContext;
+    private ListWithEntrySummaryPreference mPreference;
+
+    private CharSequence[] mDefaultEntries =
+            {"default_entry1", "default_entry2", "default_entry3"};
+    private CharSequence[] mDefaultEntryValues = {"0", "1", "2"};
+    private CharSequence[] mDefaultEntrySummaries =
+            {"default_summary1", "default_summary2", "default_summary3"};
+
+    private CharSequence[] mCustomEntries = {"custom_entry1", "custom_entry2"};
+    private CharSequence[] mCustomEntryValues = {"0", "1"};
+    private CharSequence[] mCustomEntrySummaries = {"custom_summary1", "custom_summary2"};
+
+    @Before
+    public void setUp() {
+        mContext = RuntimeEnvironment.application;
+        mPreference = new ListWithEntrySummaryPreference(mContext, null);
+        mPreference.setEntries(mDefaultEntries);
+        mPreference.setEntryValues(mDefaultEntryValues);
+        mPreference.setEntrySummaries(mDefaultEntrySummaries);
+    }
+
+    @Test
+    public void initialize_defaultEntries_shouldDisplayDefalutEntries() {
+        AlertDialog dialog = showDialog(mPreference);
+        ListAdapter adapter = dialog.getListView().getAdapter();
+
+        int len = mDefaultEntries.length;
+        assertThat(adapter.getCount()).isEqualTo(len);
+        for (int i = 0; i < len; i++) {
+            TextView title = adapter.getView(i, null, null).findViewById(R.id.title);
+            TextView summary = adapter.getView(i, null, null).findViewById(R.id.summary);
+            assertThat(title.getText()).isEqualTo(mDefaultEntries[i]);
+            assertThat(summary.getText()).isEqualTo(mDefaultEntrySummaries[i]);
+        }
+    }
+
+    @Test
+    public void setEntries_customEntries_shouldUpdateEntries() {
+        mPreference.setEntries(mCustomEntries);
+        mPreference.setEntryValues(mCustomEntryValues);
+        mPreference.setEntrySummaries(mCustomEntrySummaries);
+
+        AlertDialog dialog = showDialog(mPreference);
+        ListAdapter adapter = dialog.getListView().getAdapter();
+
+        int len = mCustomEntries.length;
+        assertThat(adapter.getCount()).isEqualTo(len);
+        for (int i = 0; i < len; i++) {
+            TextView title = adapter.getView(i, null, null).findViewById(R.id.title);
+            TextView summary = adapter.getView(i, null, null).findViewById(R.id.summary);
+            assertThat(title.getText()).isEqualTo(mCustomEntries[i]);
+            assertThat(summary.getText()).isEqualTo(mCustomEntrySummaries[i]);
+        }
+    }
+
+    @Test
+    public void onSaveAndRestoreInstanceState_resumePreference_shouldNotChangeEntries() {
+        setEntries_customEntries_shouldUpdateEntries();
+
+        final Parcelable parcelable = mPreference.onSaveInstanceState();
+        ListWithEntrySummaryPreference preference
+                = new ListWithEntrySummaryPreference(mContext, null);
+        preference.setEntries(mDefaultEntries);
+        preference.setEntryValues(mDefaultEntryValues);
+        preference.setEntrySummaries(mDefaultEntrySummaries);
+        preference.onRestoreInstanceState(parcelable);
+
+        AlertDialog dialog = showDialog(preference);
+        ListAdapter adapter = dialog.getListView().getAdapter();
+
+        int len = mCustomEntries.length;
+        assertThat(adapter.getCount()).isEqualTo(len);
+        for (int i = 0; i < len; i++) {
+            TextView title = adapter.getView(i, null, null).findViewById(R.id.title);
+            TextView summary = adapter.getView(i, null, null).findViewById(R.id.summary);
+            assertThat(title.getText()).isEqualTo(mCustomEntries[i]);
+            assertThat(summary.getText()).isEqualTo(mCustomEntrySummaries[i]);
+        }
+    }
+
+    private AlertDialog showDialog(ListWithEntrySummaryPreference preference) {
+        AlertDialog.Builder builder = new AlertDialog.Builder(mContext);
+        preference.onPrepareDialogBuilder(builder, null);
+        return builder.show();
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/wifi/calling/WifiCallingSettingsForSubTest.java b/tests/robotests/src/com/android/settings/wifi/calling/WifiCallingSettingsForSubTest.java
index fbdc303..8f01d39 100644
--- a/tests/robotests/src/com/android/settings/wifi/calling/WifiCallingSettingsForSubTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/calling/WifiCallingSettingsForSubTest.java
@@ -92,8 +92,8 @@
     @Mock private ToggleSwitch mToggleSwitch;
     @Mock private View mView;
     @Mock private ImsConfig mImsConfig;
-    @Mock private ListPreference mButtonWfcMode;
-    @Mock private ListPreference mButtonWfcRoamingMode;
+    @Mock private ListWithEntrySummaryPreference mButtonWfcMode;
+    @Mock private ListWithEntrySummaryPreference mButtonWfcRoamingMode;
     @Mock private Preference mUpdateAddress;
 
     @Before
diff --git a/tests/robotests/src/com/android/settings/wifi/details/WifiDetailPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/wifi/details/WifiDetailPreferenceControllerTest.java
index 435882b..d5fd48e 100644
--- a/tests/robotests/src/com/android/settings/wifi/details/WifiDetailPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/details/WifiDetailPreferenceControllerTest.java
@@ -622,6 +622,19 @@
         nc.removeCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED);
         updateNetworkCapabilities(nc);
         inOrder.verify(mockHeaderController).setSummary(summary);
+
+        // UI will be refreshed when device connects to a partial connectivity network.
+        summary = "Limited connection";
+        when(mockAccessPoint.getSettingsSummary()).thenReturn(summary);
+        nc.addCapability(NetworkCapabilities.NET_CAPABILITY_PARTIAL_CONNECTIVITY);
+        updateNetworkCapabilities(nc);
+        inOrder.verify(mockHeaderController).setSummary(summary);
+
+        // Although UI will be refreshed when network become validated. The Settings should
+        // continue to display "Limited connection" if network still provides partial connectivity.
+        nc.addCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED);
+        updateNetworkCapabilities(nc);
+        inOrder.verify(mockHeaderController).setSummary(summary);
     }
 
     @Test