app_Settings/res/xml/mobile_network_settings.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2019 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.
-->
<PreferenceScreen
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:settings="http://schemas.android.com/apk/res-auto"
    android:key="mobile_network_pref_screen">

    <com.android.settings.widget.SettingsMainSwitchPreference
        android:key="use_sim_switch"
        settings:controller="com.android.settings.network.telephony.MobileNetworkSwitchController"/>

    <PreferenceCategory
        android:key="enabled_state_container"
        android:title="@string/summary_placeholder"
        settings:controller="com.android.settings.network.telephony.DisabledSubscriptionController"
        android:layout="@layout/preference_category_no_label">

        <com.android.settings.datausage.DataUsageSummaryPreference
            android:key="status_header"
            android:visibility="gone"
            android:selectable="false"/>

        <ListPreference
            android:key="calls_preference"
            android:title="@string/calls_preference"
            settings:controller="com.android.settings.network.telephony.CallsDefaultSubscriptionController"
            settings:allowDividerAbove="true"/>

        <ListPreference
            android:key="sms_preference"
            android:title="@string/sms_preference"
            settings:controller="com.android.settings.network.telephony.SmsDefaultSubscriptionController"/>

        <Preference
            android:key="cdma_lte_data_service_key"
            android:title="@string/cdma_lte_data_service"
            settings:controller="com.android.settings.network.telephony.DataServiceSetupPreferenceController"
            settings:allowDividerAbove="true"
            settings:allowDividerBelow="false"/>

        <SwitchPreference
            android:key="mobile_data_enable"
            android:title="@string/mobile_data_settings_title"
            android:summary="@string/mobile_data_settings_summary"
            settings:controller="com.android.settings.network.telephony.MobileDataPreferenceController"
            settings:allowDividerAbove="true"/>

        <com.android.settingslib.RestrictedSwitchPreference
            android:key="button_roaming_key"
            android:title="@string/roaming"
            android:persistent="false"
            android:summaryOn="@string/roaming_enable"
            android:summaryOff="@string/roaming_disable"
            settings:userRestriction="no_data_roaming"
            settings:controller="com.android.settings.network.telephony.RoamingPreferenceController"/>

        <Preference
            android:key="data_usage_summary"
            android:title="@string/mobile_data_usage_title"
            settings:controller="com.android.settings.network.telephony.DataUsagePreferenceController"/>

        <com.android.settings.datausage.BillingCyclePreference
            android:key="billing_preference"
            android:title="@string/billing_cycle"
            settings:controller="com.android.settings.datausage.BillingCyclePreferenceController"/>

        <SwitchPreference
            android:key="carrier_wifi_toggle"
            android:title="@string/carrier_wifi_offload_title"
            android:summary="@string/carrier_wifi_offload_summary"
            settings:controller="com.android.settings.network.CarrierWifiTogglePreferenceController"/>

        <Preference
            android:key="carrier_wifi_network"
            android:title="@string/carrier_wifi_network_title"
            android:selectable="false"/>

        <SwitchPreference
            android:key="mms_message"
            android:title="@string/mms_message_title"
            android:summary="@string/mms_message_summary"
            settings:controller="com.android.settings.network.telephony.MmsMessagePreferenceController"/>

        <SwitchPreference
            android:key="data_during_calls"
            android:title="@string/data_during_calls_title"
            android:summary="@string/data_during_calls_summary"
            settings:controller="com.android.settings.network.telephony.DataDuringCallsPreferenceController"/>

        <SwitchPreference
            android:key="enhanced_4g_lte"
            android:title="@string/enhanced_4g_lte_mode_title"
            android:persistent="false"
            android:summary="@string/enhanced_4g_lte_mode_summary"
            settings:keywords="@string/keywords_enhance_4g_lte"
            settings:controller="com.android.settings.network.telephony.Enhanced4gLtePreferenceController"/>

        <SwitchPreference
            android:key="4g_calling"
            android:title="@string/enhanced_4g_lte_mode_title_4g_calling"
            android:persistent="false"
            android:summary="@string/enhanced_4g_lte_mode_summary_4g_calling"
            settings:keywords="@string/keywords_enhance_4g_lte"
            settings:controller="com.android.settings.network.telephony.Enhanced4gCallingPreferenceController"/>

        <SwitchPreference
            android:key="advance_call"
            android:title="@string/enhanced_4g_lte_mode_title_advanced_calling"
            android:persistent="false"
            android:summary="@string/enhanced_4g_lte_mode_summary"
            settings:keywords="@string/keywords_enhance_4g_lte"
            settings:controller="com.android.settings.network.telephony.Enhanced4gAdvancedCallingPreferenceController"/>

        <SwitchPreference
            android:key="contact_discovery_opt_in"
            android:title="@string/contact_discovery_opt_in_title"
            android:persistent="false"
            android:summary="@string/contact_discovery_opt_in_summary"
            settings:controller="com.android.settings.network.telephony.ContactDiscoveryPreferenceController"/>

        <ListPreference
            android:key="preferred_network_mode_key"
            android:title="@string/preferred_network_mode_title"
            android:summary="@string/preferred_network_mode_summary"
            android:entries="@array/preferred_network_mode_choices"
            android:entryValues="@array/preferred_network_mode_values"
            android:dialogTitle="@string/preferred_network_mode_dialogtitle"
            settings:controller="com.android.settings.network.telephony.PreferredNetworkModePreferenceController"/>

        <ListPreference
            android:key="enabled_networks_key"
            android:title="@string/preferred_network_mode_title"
            android:summary="@string/preferred_network_mode_summary"
            android:entries="@array/enabled_networks_choices"
            android:entryValues="@array/enabled_networks_values"
            android:dialogTitle="@string/preferred_network_mode_dialogtitle"
            settings:controller="com.android.settings.network.telephony.EnabledNetworkModePreferenceController"/>

        <Preference
            android:key="carrier_settings_version_key"
            android:title="@string/carrier_settings_version"
            android:enabled="false"
            android:shouldDisableView="false"
            android:selectable="false"
            settings:controller="com.android.settings.network.telephony.CarrierSettingsVersionPreferenceController"
            settings:enableCopying="true"/>

        <PreferenceCategory
            android:key="calling_category"
            android:title="@string/call_category"
            settings:controller="com.android.settings.network.telephony.CallingPreferenceCategoryController">

            <PreferenceScreen
                android:key="wifi_calling"
                android:title="@string/wifi_calling_settings_title"
                android:summary="@string/wifi_calling_summary"
                settings:controller="com.android.settings.network.telephony.WifiCallingPreferenceController">
                <intent android:action="android.intent.action.MAIN"
                        android:targetPackage="com.android.settings"
                        android:targetClass="com.android.settings.Settings$WifiCallingSettingsActivity">
                    <extra android:name="show_drawer_menu" android:value="true"/>
                </intent>
            </PreferenceScreen>

            <SwitchPreference
                android:key="video_calling_key"
                android:title="@string/video_calling_settings_title"
                android:persistent="true"
                settings:controller="com.android.settings.network.telephony.VideoCallingPreferenceController"/>

            <SwitchPreference
                android:key="backup_calling_key"
                android:title="@string/backup_calling_settings_title"
                android:persistent="false"
                android:summary="@string/backup_calling_setting_summary"
                settings:keywords="@string/keywords_backup_calling"
                settings:controller="com.android.settings.network.telephony.BackupCallingPreferenceController"/>

        </PreferenceCategory>

        <com.android.settings.network.telephony.cdma.CdmaListPreference
            android:key="cdma_system_select_key"
            android:title="@string/cdma_system_select_title"
            android:summary="@string/cdma_system_select_summary"
            android:entries="@array/cdma_system_select_choices"
            android:entryValues="@array/cdma_system_select_values"
            android:dialogTitle="@string/cdma_system_select_dialogtitle"
            settings:controller="com.android.settings.network.telephony.cdma.CdmaSystemSelectPreferenceController"/>

        <com.android.settings.network.telephony.cdma.CdmaListPreference
            android:key="cdma_subscription_key"
            android:title="@string/cdma_subscription_title"
            android:summary="@string/cdma_subscription_summary"
            android:entries="@array/cdma_subscription_choices"
            android:entryValues="@array/cdma_subscription_values"
            android:dialogTitle="@string/cdma_subscription_dialogtitle"
            settings:controller="com.android.settings.network.telephony.cdma.CdmaSubscriptionPreferenceController"/>

        <PreferenceCategory
            android:key="network_operators_category_key"
            android:title="@string/network_operator_category"
            settings:controller="com.android.settings.network.telephony.NetworkPreferenceCategoryController">

            <SwitchPreference
                android:key="auto_select_key"
                android:title="@string/select_automatically"
                settings:controller="com.android.settings.network.telephony.gsm.AutoSelectPreferenceController"/>

            <Preference
                android:key="choose_network_key"
                android:title="@string/choose_network_title"
                android:fragment="com.android.phone.NetworkSelectSetting"
                settings:controller="com.android.settings.network.telephony.gsm.OpenNetworkSelectPagePreferenceController"/>
        </PreferenceCategory>

        <!--We want separate APN setting from reset of settings because we want user to change it with caution-->
        <com.android.settingslib.RestrictedPreference
            android:key="telephony_apn_key"
            android:persistent="false"
            android:title="@string/mobile_network_apn_title"
            settings:allowDividerAbove="true"
            settings:controller="com.android.settings.network.telephony.ApnPreferenceController"/>

        <Preference
            android:key="carrier_settings_key"
            android:title="@string/carrier_settings_title"
            settings:controller="com.android.settings.network.telephony.CarrierPreferenceController">
        </Preference>

    </PreferenceCategory>

    <Preference
        android:key="erase_sim"
        android:persistent="false"
        android:title="@string/mobile_network_erase_sim"
        settings:allowDividerBelow="true"
        settings:controller="com.android.settings.network.telephony.DeleteSimProfilePreferenceController"/>

    <com.android.settingslib.widget.FooterPreference
        android:key="disable_sim_explanation"
        android:title="@string/mobile_network_disable_sim_explanation"
        android:selectable="false"
        settings:allowDividerAbove="true"
        settings:searchable="false"
        settings:controller="com.android.settings.network.telephony.DisableSimFooterPreferenceController"/>

    <com.android.settingslib.widget.FooterPreference
        android:key="no_5g_in_dsds_explanation"
        android:title="@string/no_5g_in_dsds_text"
        android:selectable="false"
        settings:allowDividerAbove="true"
        settings:searchable="false"
        settings:controller="com.android.settings.network.telephony.NrDisabledInDsdsFooterPreferenceController"/>

    <SwitchPreference
        android:key="enable_2g"
        android:title="@string/enable_2g_title"
        android:summary="@string/enable_2g_summary"
        settings:controller="com.android.settings.network.telephony.Enable2gPreferenceController" />
</PreferenceScreen>