Copy MobileNetworkSettings to settings app

This is a CL to copy most components from telephony to settings app with
following changes to pass the preupload check:
1. Add [CHAR LIMIT]/comments for strings that miss them

This CL cannot build and future CL will fix the broken part.

Bug: 114749736
Test: Build
Change-Id: I744d537610eeeb7f2fb801defdd0ce47ef6088b6
This commit is contained in:
jackqdyulei
2018-10-03 13:54:53 -07:00
parent 4b2a053bed
commit bff33e170c
18 changed files with 4855 additions and 0 deletions

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/*
* 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.mobilenetwork;
import android.content.Context;
import android.preference.Preference;
import android.util.AttributeSet;
import android.view.View;
import android.widget.TextView;
/**
* Customized preference class representing the "Advanced" button that expands to fields that
* are hidden by default.
*/
public class AdvancedOptionsPreference extends Preference {
public AdvancedOptionsPreference(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onBindView(View view) {
super.onBindView(view);
setIcon(R.drawable.ic_expand_more);
setTitle(R.string.advanced_options_title);
TextView summary = view.findViewById(android.R.id.summary);
summary.setMaxLines(1);
}
}

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/*
* 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.mobilenetwork;
import android.content.Intent;
import android.os.PersistableBundle;
import android.os.SystemProperties;
import android.preference.Preference;
import android.preference.PreferenceFragment;
import android.preference.PreferenceScreen;
import android.provider.Settings;
import android.telephony.CarrierConfigManager;
import android.telephony.TelephonyManager;
import android.text.TextUtils;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import com.android.internal.telephony.PhoneConstants;
import com.android.phone.MobileNetworkSettings;
import com.android.phone.RestrictedPreference;
import com.android.settingslib.RestrictedLockUtilsInternal;
/**
* List of Phone-specific settings screens.
*/
public class CdmaOptions {
private static final String LOG_TAG = "CdmaOptions";
private CarrierConfigManager mCarrierConfigManager;
private CdmaSystemSelectListPreference mButtonCdmaSystemSelect;
private CdmaSubscriptionListPreference mButtonCdmaSubscription;
private RestrictedPreference mButtonAPNExpand;
private Preference mCategoryAPNExpand;
private Preference mButtonCarrierSettings;
private static final String BUTTON_CDMA_SYSTEM_SELECT_KEY = "cdma_system_select_key";
private static final String BUTTON_CDMA_SUBSCRIPTION_KEY = "cdma_subscription_key";
private static final String BUTTON_CARRIER_SETTINGS_KEY = "carrier_settings_key";
private static final String BUTTON_APN_EXPAND_KEY = "button_cdma_apn_key";
private static final String CATEGORY_APN_EXPAND_KEY = "category_cdma_apn_key";
private PreferenceFragment mPrefFragment;
private PreferenceScreen mPrefScreen;
private int mSubId;
public CdmaOptions(PreferenceFragment prefFragment, PreferenceScreen prefScreen, int subId) {
mPrefFragment = prefFragment;
mPrefScreen = prefScreen;
mPrefFragment.addPreferencesFromResource(R.xml.cdma_options);
mCarrierConfigManager = new CarrierConfigManager(prefFragment.getContext());
// Initialize preferences.
mButtonCdmaSystemSelect = (CdmaSystemSelectListPreference) mPrefScreen
.findPreference(BUTTON_CDMA_SYSTEM_SELECT_KEY);
mButtonCdmaSubscription = (CdmaSubscriptionListPreference) mPrefScreen
.findPreference(BUTTON_CDMA_SUBSCRIPTION_KEY);
mButtonCarrierSettings = mPrefScreen.findPreference(BUTTON_CARRIER_SETTINGS_KEY);
mButtonAPNExpand = (RestrictedPreference) mPrefScreen.findPreference(BUTTON_APN_EXPAND_KEY);
mCategoryAPNExpand = mPrefScreen.findPreference(CATEGORY_APN_EXPAND_KEY);
updateSubscriptionId(subId);
}
protected void updateSubscriptionId(int subId) {
mSubId = subId;
int phoneType = TelephonyManager.from(mPrefFragment.getContext())
.createForSubscriptionId(mSubId).getPhoneType();
PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(mSubId);
// Some CDMA carriers want the APN settings.
boolean addAPNExpand = shouldAddApnExpandPreference(phoneType, carrierConfig);
boolean addCdmaSubscription =
deviceSupportsNvAndRuim();
// Read platform settings for carrier settings
boolean addCarrierSettings =
carrierConfig.getBoolean(CarrierConfigManager.KEY_CARRIER_SETTINGS_ENABLE_BOOL);
mPrefScreen.addPreference(mButtonCdmaSystemSelect);
mButtonCdmaSystemSelect.setEnabled(true);
// Making no assumptions of whether they are added or removed at this point.
// Calling add or remove explicitly to make sure they are updated.
if (addAPNExpand) {
log("update: addAPNExpand");
mButtonAPNExpand.setDisabledByAdmin(
MobileNetworkSettings.isDpcApnEnforced(mButtonAPNExpand.getContext())
? RestrictedLockUtilsInternal.getDeviceOwner(
mButtonAPNExpand.getContext())
: null);
mButtonAPNExpand.setOnPreferenceClickListener(
new Preference.OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(Preference preference) {
MetricsLogger.action(mButtonAPNExpand.getContext(),
MetricsEvent.ACTION_MOBILE_NETWORK_APN_SETTINGS);
// We need to build the Intent by hand as the Preference Framework
// does not allow to add an Intent with some extras into a Preference
// XML file
final Intent intent = new Intent(Settings.ACTION_APN_SETTINGS);
// This will setup the Home and Search affordance
intent.putExtra(":settings:show_fragment_as_subsetting", true);
intent.putExtra("sub_id", mSubId);
mPrefFragment.startActivity(intent);
return true;
}
});
mPrefScreen.addPreference(mCategoryAPNExpand);
} else {
mPrefScreen.removePreference(mCategoryAPNExpand);
}
if (addCdmaSubscription) {
log("Both NV and Ruim supported, ENABLE subscription type selection");
mPrefScreen.addPreference(mButtonCdmaSubscription);
mButtonCdmaSubscription.setEnabled(true);
} else {
log("Both NV and Ruim NOT supported, REMOVE subscription type selection");
mPrefScreen.removePreference(mButtonCdmaSubscription);
}
if (addCarrierSettings) {
mPrefScreen.addPreference(mButtonCarrierSettings);
} else {
mPrefScreen.removePreference(mButtonCarrierSettings);
}
}
/**
* Return whether we should add the APN expandable preference based on the phone type and
* carrier config
*/
@VisibleForTesting
public static boolean shouldAddApnExpandPreference(int phoneType, PersistableBundle config) {
return phoneType == PhoneConstants.PHONE_TYPE_CDMA
&& config.getBoolean(CarrierConfigManager.KEY_SHOW_APN_SETTING_CDMA_BOOL);
}
private boolean deviceSupportsNvAndRuim() {
// retrieve the list of subscription types supported by device.
String subscriptionsSupported = SystemProperties.get("ril.subscription.types");
boolean nvSupported = false;
boolean ruimSupported = false;
log("deviceSupportsnvAnRum: prop=" + subscriptionsSupported);
if (!TextUtils.isEmpty(subscriptionsSupported)) {
// Searches through the comma-separated list for a match for "NV"
// and "RUIM" to update nvSupported and ruimSupported.
for (String subscriptionType : subscriptionsSupported.split(",")) {
subscriptionType = subscriptionType.trim();
if (subscriptionType.equalsIgnoreCase("NV")) {
nvSupported = true;
}
if (subscriptionType.equalsIgnoreCase("RUIM")) {
ruimSupported = true;
}
}
}
log("deviceSupportsnvAnRum: nvSupported=" + nvSupported +
" ruimSupported=" + ruimSupported);
return (nvSupported && ruimSupported);
}
public boolean preferenceTreeClick(Preference preference) {
if (preference.getKey().equals(BUTTON_CDMA_SYSTEM_SELECT_KEY)) {
log("preferenceTreeClick: return BUTTON_CDMA_ROAMING_KEY true");
return true;
}
if (preference.getKey().equals(BUTTON_CDMA_SUBSCRIPTION_KEY)) {
log("preferenceTreeClick: return CDMA_SUBSCRIPTION_KEY true");
return true;
}
return false;
}
public void showDialog(Preference preference) {
if (preference.getKey().equals(BUTTON_CDMA_SYSTEM_SELECT_KEY)) {
mButtonCdmaSystemSelect.showDialog(null);
} else if (preference.getKey().equals(BUTTON_CDMA_SUBSCRIPTION_KEY)) {
mButtonCdmaSubscription.showDialog(null);
}
}
protected void log(String s) {
android.util.Log.d(LOG_TAG, s);
}
}

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/*
* 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.mobilenetwork;
import android.content.Context;
import android.os.Bundle;
import android.preference.ListPreference;
import android.provider.Settings;
import android.telephony.TelephonyManager;
import android.util.AttributeSet;
import android.util.Log;
import com.android.internal.telephony.Phone;
import com.android.settingslib.utils.ThreadUtils;
public class CdmaSubscriptionListPreference extends ListPreference {
private static final String LOG_TAG = "CdmaSubscriptionListPreference";
// Used for CDMA subscription mode
private static final int CDMA_SUBSCRIPTION_RUIM_SIM = 0;
private static final int CDMA_SUBSCRIPTION_NV = 1;
//preferredSubscriptionMode 0 - RUIM/SIM, preferred
// 1 - NV
static final int preferredSubscriptionMode = Phone.PREFERRED_CDMA_SUBSCRIPTION;
private TelephonyManager mTelephonyManager;
public CdmaSubscriptionListPreference(Context context, AttributeSet attrs) {
super(context, attrs);
mTelephonyManager = TelephonyManager.from(context);
setCurrentCdmaSubscriptionModeValue();
}
private void setCurrentCdmaSubscriptionModeValue() {
int cdmaSubscriptionMode = Settings.Global.getInt(getContext().getContentResolver(),
Settings.Global.CDMA_SUBSCRIPTION_MODE, preferredSubscriptionMode);
setValue(Integer.toString(cdmaSubscriptionMode));
}
public CdmaSubscriptionListPreference(Context context) {
this(context, null);
}
/**
* Sets the subscription id associated with this preference.
*
* @param subId the subscription id.
*/
public void setSubscriptionId(int subId) {
mTelephonyManager = TelephonyManager.from(getContext()).createForSubscriptionId(subId);
}
@Override
protected void showDialog(Bundle state) {
setCurrentCdmaSubscriptionModeValue();
super.showDialog(state);
}
@Override
protected void onDialogClosed(boolean positiveResult) {
super.onDialogClosed(positiveResult);
if (!positiveResult) {
//The button was dismissed - no need to set new value
return;
}
int buttonCdmaSubscriptionMode = Integer.parseInt(getValue());
Log.d(LOG_TAG, "Setting new value " + buttonCdmaSubscriptionMode);
int statusCdmaSubscriptionMode;
switch(buttonCdmaSubscriptionMode) {
case CDMA_SUBSCRIPTION_NV:
statusCdmaSubscriptionMode = Phone.CDMA_SUBSCRIPTION_NV;
break;
case CDMA_SUBSCRIPTION_RUIM_SIM:
statusCdmaSubscriptionMode = Phone.CDMA_SUBSCRIPTION_RUIM_SIM;
break;
default:
statusCdmaSubscriptionMode = Phone.PREFERRED_CDMA_SUBSCRIPTION;
}
// Set the CDMA subscription mode, when mode has been successfully changed, update the
// mode to the global setting.
ThreadUtils.postOnBackgroundThread(() -> {
// The subscription mode selected by user.
int cdmaSubscriptionMode = Integer.parseInt(getValue());
boolean isSuccessed = mTelephonyManager.setCdmaSubscriptionMode(
statusCdmaSubscriptionMode);
// Update the global settings if successed.
if (isSuccessed) {
Settings.Global.putInt(getContext().getContentResolver(),
Settings.Global.CDMA_SUBSCRIPTION_MODE,
cdmaSubscriptionMode);
} else {
Log.e(LOG_TAG, "Setting Cdma subscription source failed");
}
});
}
}

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/*
* 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.mobilenetwork;
import android.content.Context;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.preference.ListPreference;
import android.provider.Settings;
import android.telephony.TelephonyManager;
import android.util.AttributeSet;
import android.util.Log;
import com.android.settingslib.utils.ThreadUtils;
public class CdmaSystemSelectListPreference extends ListPreference {
private static final String LOG_TAG = "CdmaRoamingListPreference";
private static final boolean DBG = false;
private TelephonyManager mTelephonyManager;
private MyHandler mHandler = new MyHandler();
public CdmaSystemSelectListPreference(Context context, AttributeSet attrs) {
super(context, attrs);
mHandler = new MyHandler();
mTelephonyManager = TelephonyManager.from(context);
}
public CdmaSystemSelectListPreference(Context context) {
this(context, null);
}
/**
* Sets the subscription id associated with this preference.
*
* @param subId the subscription id.
*/
public void setSubscriptionId(int subId) {
mTelephonyManager = TelephonyManager.from(getContext()).createForSubscriptionId(subId);
queryCdmaRoamingMode();
}
@Override
protected void showDialog(Bundle state) {
if (!mTelephonyManager.getEmergencyCallbackMode()) {
super.showDialog(state);
}
}
@Override
protected void onDialogClosed(boolean positiveResult) {
super.onDialogClosed(positiveResult);
if (positiveResult && (getValue() != null)) {
int buttonCdmaRoamingMode = Integer.parseInt(getValue());
int settingsCdmaRoamingMode = Settings.Global.getInt(
getContext().getContentResolver(),
Settings.Global.CDMA_ROAMING_MODE,
TelephonyManager.CDMA_ROAMING_MODE_HOME);
if (buttonCdmaRoamingMode != settingsCdmaRoamingMode) {
int cdmaRoamingMode = TelephonyManager.CDMA_ROAMING_MODE_ANY;
if (buttonCdmaRoamingMode != TelephonyManager.CDMA_ROAMING_MODE_ANY) {
cdmaRoamingMode = TelephonyManager.CDMA_ROAMING_MODE_HOME;
}
//Set the Settings.Secure network mode
Settings.Global.putInt(
getContext().getContentResolver(),
Settings.Global.CDMA_ROAMING_MODE,
buttonCdmaRoamingMode);
//Set the roaming preference mode
setCdmaRoamingMode(cdmaRoamingMode);
}
} else {
Log.d(LOG_TAG, String.format("onDialogClosed: positiveResult=%b value=%s -- do nothing",
positiveResult, getValue()));
}
}
private class MyHandler extends Handler {
static final int MESSAGE_GET_ROAMING_PREFERENCE = 0;
static final int MESSAGE_SET_ROAMING_PREFERENCE = 1;
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MESSAGE_GET_ROAMING_PREFERENCE:
handleQueryCdmaRoamingPreference(msg);
break;
case MESSAGE_SET_ROAMING_PREFERENCE:
handleSetCdmaRoamingPreference(msg);
break;
}
}
private void handleQueryCdmaRoamingPreference(Message msg) {
int cdmaRoamingMode = msg.arg1;
if (cdmaRoamingMode != TelephonyManager.CDMA_ROAMING_MODE_RADIO_DEFAULT) {
int settingsRoamingMode = Settings.Global.getInt(
getContext().getContentResolver(),
Settings.Global.CDMA_ROAMING_MODE,
TelephonyManager.CDMA_ROAMING_MODE_HOME);
//check that statusCdmaRoamingMode is from an accepted value
if (cdmaRoamingMode == TelephonyManager.CDMA_ROAMING_MODE_HOME
|| cdmaRoamingMode == TelephonyManager.CDMA_ROAMING_MODE_ANY) {
//check changes in statusCdmaRoamingMode and updates settingsRoamingMode
if (cdmaRoamingMode != settingsRoamingMode) {
settingsRoamingMode = cdmaRoamingMode;
//changes the Settings.Secure accordingly to statusCdmaRoamingMode
Settings.Global.putInt(
getContext().getContentResolver(),
Settings.Global.CDMA_ROAMING_MODE,
settingsRoamingMode);
}
//changes the mButtonPreferredNetworkMode accordingly to modemNetworkMode
setValue(Integer.toString(cdmaRoamingMode));
}
else {
if(DBG) Log.i(LOG_TAG, "reset cdma roaming mode to default" );
resetCdmaRoamingModeToDefault();
}
}
}
private void handleSetCdmaRoamingPreference(Message msg) {
boolean isSuccessed = (boolean) msg.obj;
if (isSuccessed && (getValue() != null)) {
int cdmaRoamingMode = Integer.parseInt(getValue());
Settings.Global.putInt(
getContext().getContentResolver(),
Settings.Global.CDMA_ROAMING_MODE,
cdmaRoamingMode );
} else {
queryCdmaRoamingMode();
}
}
private void resetCdmaRoamingModeToDefault() {
//set the mButtonCdmaRoam
setValue(Integer.toString(TelephonyManager.CDMA_ROAMING_MODE_ANY));
//set the Settings.System
Settings.Global.putInt(
getContext().getContentResolver(),
Settings.Global.CDMA_ROAMING_MODE,
TelephonyManager.CDMA_ROAMING_MODE_ANY);
//Set the Status
setCdmaRoamingMode(TelephonyManager.CDMA_ROAMING_MODE_ANY);
}
}
private void queryCdmaRoamingMode() {
ThreadUtils.postOnBackgroundThread(() -> {
Message msg = mHandler.obtainMessage(MyHandler.MESSAGE_GET_ROAMING_PREFERENCE);
msg.arg1 = mTelephonyManager.getCdmaRoamingMode();
msg.sendToTarget();
});
}
private void setCdmaRoamingMode(int mode) {
ThreadUtils.postOnBackgroundThread(() -> {
Message msg = mHandler.obtainMessage(MyHandler.MESSAGE_SET_ROAMING_PREFERENCE);
msg.obj = mTelephonyManager.setCdmaRoamingMode(mode);
msg.sendToTarget();
});
}
}

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/*
* 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.mobilenetwork;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.net.NetworkTemplate;
import android.preference.Preference;
import android.provider.Settings;
import android.telephony.TelephonyManager;
import android.text.format.Formatter;
import android.util.AttributeSet;
import com.android.settingslib.net.DataUsageController;
/**
* The preference that shows mobile data usage summary and
* leads to mobile data usage list page.
*/
public class DataUsagePreference extends Preference {
private NetworkTemplate mTemplate;
private int mSubId;
public DataUsagePreference(Context context, AttributeSet attrs) {
super(context, attrs);
}
/**
* After creating this preference, this functions needs to be called to
* initialize which subID it connects to.
*/
public void initialize(int subId) {
Activity activity = (Activity) getContext();
mSubId = subId;
mTemplate = getNetworkTemplate(activity, subId);
DataUsageController controller = new DataUsageController(activity);
DataUsageController.DataUsageInfo usageInfo = controller.getDataUsageInfo(mTemplate);
setSummary(activity.getString(R.string.data_usage_template,
Formatter.formatFileSize(activity, usageInfo.usageLevel), usageInfo.period));
setIntent(getIntent());
}
@Override
public Intent getIntent() {
Intent intent = new Intent(Settings.ACTION_MOBILE_DATA_USAGE);
intent.putExtra(Settings.EXTRA_NETWORK_TEMPLATE, mTemplate);
intent.putExtra(Settings.EXTRA_SUB_ID, mSubId);
return intent;
}
private NetworkTemplate getNetworkTemplate(Activity activity, int subId) {
TelephonyManager tm = (TelephonyManager) activity
.getSystemService(Context.TELEPHONY_SERVICE);
NetworkTemplate mobileAll = NetworkTemplate.buildTemplateMobileAll(
tm.getSubscriberId(subId));
return NetworkTemplate.normalize(mobileAll,
tm.getMergedSubscriberIds());
}
}

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/*
* 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.mobilenetwork;
import android.content.Context;
import android.content.Intent;
import android.os.PersistableBundle;
import android.preference.Preference;
import android.preference.PreferenceFragment;
import android.preference.PreferenceScreen;
import android.provider.Settings;
import android.telephony.CarrierConfigManager;
import android.telephony.TelephonyManager;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import com.android.internal.telephony.Phone;
import com.android.internal.telephony.PhoneConstants;
import com.android.phone.INetworkQueryService;
import com.android.phone.MobileNetworkSettings;
import com.android.phone.PhoneGlobals;
import com.android.phone.RestrictedPreference;
import com.android.settingslib.RestrictedLockUtilsInternal;
/**
* List of Network-specific settings screens.
*/
public class GsmUmtsOptions {
private static final String LOG_TAG = "GsmUmtsOptions";
private CarrierConfigManager mCarrierConfigManager;
private RestrictedPreference mButtonAPNExpand;
private Preference mCategoryAPNExpand;
Preference mCarrierSettingPref;
private NetworkOperators mNetworkOperator;
private static final String BUTTON_APN_EXPAND_KEY = "button_gsm_apn_key";
private static final String CATEGORY_APN_EXPAND_KEY = "category_gsm_apn_key";
private static final String BUTTON_CARRIER_SETTINGS_KEY = "carrier_settings_key";
public static final String EXTRA_SUB_ID = "sub_id";
private PreferenceFragment mPrefFragment;
private PreferenceScreen mPrefScreen;
public GsmUmtsOptions(PreferenceFragment prefFragment, PreferenceScreen prefScreen,
final int subId, INetworkQueryService queryService) {
final Context context = prefFragment.getContext();
mPrefFragment = prefFragment;
mPrefScreen = prefScreen;
mCarrierConfigManager = new CarrierConfigManager(context);
mPrefFragment.addPreferencesFromResource(R.xml.gsm_umts_options);
mButtonAPNExpand = (RestrictedPreference) mPrefScreen.findPreference(BUTTON_APN_EXPAND_KEY);
mCategoryAPNExpand = mPrefScreen.findPreference(CATEGORY_APN_EXPAND_KEY);
mNetworkOperator = (NetworkOperators) mPrefScreen
.findPreference(NetworkOperators.CATEGORY_NETWORK_OPERATORS_KEY);
mCarrierSettingPref = mPrefScreen.findPreference(BUTTON_CARRIER_SETTINGS_KEY);
mNetworkOperator.initialize();
update(subId, queryService);
}
// Unlike mPrefFragment or mPrefScreen, subId or queryService may change during lifecycle of
// GsmUmtsOptions. When that happens, we update GsmUmtsOptions with new parameters.
protected void update(final int subId, INetworkQueryService queryService) {
boolean addAPNExpand = true;
boolean addNetworkOperatorsCategory = true;
boolean addCarrierSettings = true;
final TelephonyManager telephonyManager = TelephonyManager.from(mPrefFragment.getContext())
.createForSubscriptionId(subId);
Phone phone = PhoneGlobals.getPhone(subId);
if (phone == null) return;
if (telephonyManager.getPhoneType() != PhoneConstants.PHONE_TYPE_GSM) {
log("Not a GSM phone");
addAPNExpand = false;
mNetworkOperator.setEnabled(false);
} else {
log("Not a CDMA phone");
PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(subId);
// Determine which options to display. For GSM these are defaulted to true in
// CarrierConfigManager, but they maybe overriden by DefaultCarrierConfigService or a
// carrier app.
// Note: these settings used to be controlled with overlays in
// Telephony/res/values/config.xml
if (!carrierConfig.getBoolean(CarrierConfigManager.KEY_APN_EXPAND_BOOL)
&& mCategoryAPNExpand != null) {
addAPNExpand = false;
}
if (!carrierConfig.getBoolean(
CarrierConfigManager.KEY_OPERATOR_SELECTION_EXPAND_BOOL)) {
addNetworkOperatorsCategory = false;
}
if (carrierConfig.getBoolean(CarrierConfigManager.KEY_CSP_ENABLED_BOOL)) {
if (phone.isCspPlmnEnabled()) {
log("[CSP] Enabling Operator Selection menu.");
mNetworkOperator.setEnabled(true);
} else {
log("[CSP] Disabling Operator Selection menu.");
addNetworkOperatorsCategory = false;
}
}
// Read platform settings for carrier settings
addCarrierSettings = carrierConfig.getBoolean(
CarrierConfigManager.KEY_CARRIER_SETTINGS_ENABLE_BOOL);
}
// Making no assumptions of whether they are added or removed at this point.
// Calling add or remove explicitly to make sure they are updated.
if (addAPNExpand) {
log("update: addAPNExpand");
mButtonAPNExpand.setDisabledByAdmin(
MobileNetworkSettings.isDpcApnEnforced(mButtonAPNExpand.getContext())
? RestrictedLockUtilsInternal.getDeviceOwner(
mButtonAPNExpand.getContext())
: null);
mButtonAPNExpand.setOnPreferenceClickListener(
new Preference.OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(Preference preference) {
MetricsLogger.action(mButtonAPNExpand.getContext(),
MetricsEvent.ACTION_MOBILE_NETWORK_APN_SETTINGS);
// We need to build the Intent by hand as the Preference Framework
// does not allow to add an Intent with some extras into a Preference
// XML file
final Intent intent = new Intent(Settings.ACTION_APN_SETTINGS);
// This will setup the Home and Search affordance
intent.putExtra(":settings:show_fragment_as_subsetting", true);
intent.putExtra(EXTRA_SUB_ID, subId);
mPrefFragment.startActivity(intent);
return true;
}
});
mPrefScreen.addPreference(mCategoryAPNExpand);
} else {
mPrefScreen.removePreference(mCategoryAPNExpand);
}
if (addNetworkOperatorsCategory) {
mPrefScreen.addPreference(mNetworkOperator);
mNetworkOperator.update(subId, queryService);
} else {
mPrefScreen.removePreference(mNetworkOperator);
}
if (addCarrierSettings) {
mPrefScreen.addPreference(mCarrierSettingPref);
} else {
mPrefScreen.removePreference(mCarrierSettingPref);
}
}
protected boolean preferenceTreeClick(Preference preference) {
return mNetworkOperator.preferenceTreeClick(preference);
}
protected void log(String s) {
android.util.Log.d(LOG_TAG, s);
}
}

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/*
* 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.mobilenetwork;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.database.ContentObserver;
import android.net.Uri;
import android.os.Handler;
import android.os.Looper;
import android.os.Parcel;
import android.os.Parcelable;
import android.preference.DialogPreference;
import android.preference.PreferenceScreen;
import android.provider.Settings.Global;
import android.telephony.SubscriptionInfo;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.widget.Checkable;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import java.util.List;
/**
* Customized Preference to enable / disable mobile data.
* Basically copy of with com.android.settings.CellDataPreference.
*/
public class MobileDataPreference extends DialogPreference {
private static final boolean DBG = false;
private static final String TAG = "MobileDataPreference";
public int mSubId = SubscriptionManager.INVALID_SUBSCRIPTION_ID;
public boolean mChecked;
// Whether to show the dialog to ask switching default data subscription.
// Should be true only when a multi-sim phone only supports data connection on a single phone,
// and user is enabling data on the non-default phone.
public boolean mMultiSimDialog;
private TelephonyManager mTelephonyManager;
private SubscriptionManager mSubscriptionManager;
public MobileDataPreference(Context context, AttributeSet attrs) {
super(context, attrs, com.android.internal.R.attr.switchPreferenceStyle);
}
// Must be called to avoid binder leakage.
void dispose() {
mListener.setListener(false, mSubId, getContext());
}
@Override
protected void onRestoreInstanceState(Parcelable s) {
CellDataState state = (CellDataState) s;
super.onRestoreInstanceState(state.getSuperState());
mTelephonyManager = TelephonyManager.from(getContext());
mChecked = state.mChecked;
mMultiSimDialog = state.mMultiSimDialog;
if (mSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
mSubId = state.mSubId;
setKey(getKey() + mSubId);
}
notifyChanged();
}
@Override
protected Parcelable onSaveInstanceState() {
CellDataState state = new CellDataState(super.onSaveInstanceState());
state.mChecked = mChecked;
state.mMultiSimDialog = mMultiSimDialog;
state.mSubId = mSubId;
return state;
}
@Override
protected void onAttachedToActivity() {
super.onAttachedToActivity();
mListener.setListener(true, mSubId, getContext());
}
@Override
protected void onPrepareForRemoval() {
mListener.setListener(false, mSubId, getContext());
super.onPrepareForRemoval();
}
/**
* Initialize this preference with subId.
*/
public void initialize(int subId) {
if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
throw new IllegalArgumentException("MobileDataPreference needs a SubscriptionInfo");
}
mSubscriptionManager = SubscriptionManager.from(getContext());
mTelephonyManager = TelephonyManager.from(getContext());
if (mSubId != subId) {
mSubId = subId;
setKey(getKey() + subId);
}
updateChecked();
}
private void updateChecked() {
setChecked(mTelephonyManager.getDataEnabled(mSubId));
}
@Override
public void performClick(PreferenceScreen preferenceScreen) {
if (!isEnabled() || !SubscriptionManager.isValidSubscriptionId(mSubId)) {
return;
}
final SubscriptionInfo currentSir = mSubscriptionManager.getActiveSubscriptionInfo(
mSubId);
final SubscriptionInfo nextSir = mSubscriptionManager.getDefaultDataSubscriptionInfo();
final boolean isMultiSim = (mTelephonyManager.getSimCount() > 1);
final boolean isMultipleDataOnCapable =
(mTelephonyManager.getNumberOfModemsWithSimultaneousDataConnections() > 1);
final boolean isDefaultDataSubscription = (nextSir != null && currentSir != null
&& currentSir.getSubscriptionId() == nextSir.getSubscriptionId());
if (mChecked) {
if (!isMultiSim) {
// disabling data; show confirmation dialog which eventually
// calls setMobileDataEnabled() once user confirms.
mMultiSimDialog = false;
super.performClick(preferenceScreen);
} else {
// Don't show any dialog.
setMobileDataEnabled(false /* enabled */, false /* disableOtherSubscriptions */);
}
} else {
if (isMultiSim && !isMultipleDataOnCapable && !isDefaultDataSubscription) {
// enabling data and setting to default; show confirmation dialog which eventually
// calls setMobileDataEnabled() once user confirms.
mMultiSimDialog = true;
super.performClick(preferenceScreen);
} else {
// Don't show any dialog.
setMobileDataEnabled(true /* enabled */, false /* disableOtherSubscriptions */);
}
}
}
private void setMobileDataEnabled(boolean enabled, boolean disableOtherSubscriptions) {
if (DBG) Log.d(TAG, "setMobileDataEnabled(" + enabled + "," + mSubId + ")");
MetricsLogger.action(getContext(), MetricsEvent.ACTION_MOBILE_NETWORK_MOBILE_DATA_TOGGLE,
enabled);
mTelephonyManager.setDataEnabled(mSubId, enabled);
if (disableOtherSubscriptions) {
disableDataForOtherSubscriptions(mSubId);
}
setChecked(enabled);
}
private void setChecked(boolean checked) {
if (mChecked == checked) return;
mChecked = checked;
notifyChanged();
}
@Override
protected void onBindView(View view) {
super.onBindView(view);
View checkableView = view.findViewById(com.android.internal.R.id.switch_widget);
checkableView.setClickable(false);
((Checkable) checkableView).setChecked(mChecked);
}
@Override
protected void onPrepareDialogBuilder(AlertDialog.Builder builder) {
if (mMultiSimDialog) {
showMultiSimDialog(builder);
} else {
showDisableDialog(builder);
}
}
private void showDisableDialog(AlertDialog.Builder builder) {
builder.setTitle(null)
.setMessage(R.string.data_usage_disable_mobile)
.setPositiveButton(android.R.string.ok, this)
.setNegativeButton(android.R.string.cancel, null);
}
private void showMultiSimDialog(AlertDialog.Builder builder) {
final SubscriptionInfo currentSir = mSubscriptionManager.getActiveSubscriptionInfo(mSubId);
final SubscriptionInfo nextSir = mSubscriptionManager.getDefaultDataSubscriptionInfo();
final String previousName = (nextSir == null)
? getContext().getResources().getString(R.string.sim_selection_required_pref)
: nextSir.getDisplayName().toString();
builder.setTitle(R.string.sim_change_data_title);
builder.setMessage(getContext().getString(R.string.sim_change_data_message,
String.valueOf(currentSir != null ? currentSir.getDisplayName() : null),
previousName));
builder.setPositiveButton(R.string.ok, this);
builder.setNegativeButton(R.string.cancel, null);
}
private void disableDataForOtherSubscriptions(int subId) {
List<SubscriptionInfo> subInfoList = mSubscriptionManager.getActiveSubscriptionInfoList();
if (subInfoList != null) {
for (SubscriptionInfo subInfo : subInfoList) {
if (subInfo.getSubscriptionId() != subId) {
mTelephonyManager.setDataEnabled(subInfo.getSubscriptionId(), false);
}
}
}
}
@Override
public void onClick(DialogInterface dialog, int which) {
if (which != DialogInterface.BUTTON_POSITIVE) {
return;
}
if (mMultiSimDialog) {
mSubscriptionManager.setDefaultDataSubId(mSubId);
setMobileDataEnabled(true /* enabled */, true /* disableOtherSubscriptions */);
} else {
// TODO: extend to modify policy enabled flag.
setMobileDataEnabled(false /* enabled */, false /* disableOtherSubscriptions */);
}
}
private final DataStateListener mListener = new DataStateListener() {
@Override
public void onChange(boolean selfChange) {
updateChecked();
}
};
/**
* Listener that listens mobile data state change.
*/
public abstract static class DataStateListener extends ContentObserver {
public DataStateListener() {
super(new Handler(Looper.getMainLooper()));
}
/**
* Set / Unset data state listening, specifying subId.
*/
public void setListener(boolean listening, int subId, Context context) {
if (listening) {
Uri uri = Global.getUriFor(Global.MOBILE_DATA);
if (TelephonyManager.getDefault().getSimCount() != 1) {
uri = Global.getUriFor(Global.MOBILE_DATA + subId);
}
context.getContentResolver().registerContentObserver(uri, false, this);
} else {
context.getContentResolver().unregisterContentObserver(this);
}
}
}
/**
* Class that represents state of mobile data state.
* Used by onSaveInstanceState and onRestoreInstanceState.
*/
public static class CellDataState extends BaseSavedState {
public int mSubId;
public boolean mChecked;
public boolean mMultiSimDialog;
public CellDataState(Parcelable base) {
super(base);
}
public CellDataState(Parcel source) {
super(source);
mChecked = source.readByte() != 0;
mMultiSimDialog = source.readByte() != 0;
mSubId = source.readInt();
}
@Override
public void writeToParcel(Parcel dest, int flags) {
super.writeToParcel(dest, flags);
dest.writeByte((byte) (mChecked ? 1 : 0));
dest.writeByte((byte) (mMultiSimDialog ? 1 : 0));
dest.writeInt(mSubId);
}
public static final Creator<CellDataState> CREATOR = new Creator<CellDataState>() {
@Override
public CellDataState createFromParcel(Parcel source) {
return new CellDataState(source);
}
@Override
public CellDataState[] newArray(int size) {
return new CellDataState[size];
}
};
}
}

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/*
* 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.mobilenetwork;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.os.Handler;
import android.os.Message;
import android.preference.Preference;
import android.preference.PreferenceCategory;
import android.preference.TwoStatePreference;
import android.telephony.ServiceState;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.util.AttributeSet;
import android.util.Log;
import android.widget.Toast;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import com.android.phone.NetworkSelectSettingActivity;
import com.android.settingslib.utils.ThreadUtils;
/**
* "Networks" settings UI for the Phone app.
*/
public class NetworkOperators extends PreferenceCategory
implements Preference.OnPreferenceChangeListener {
private static final String LOG_TAG = "NetworkOperators";
private static final boolean DBG = true;
private static final int EVENT_AUTO_SELECT_DONE = 100;
private static final int EVENT_GET_NETWORK_SELECTION_MODE_DONE = 200;
//String keys for preference lookup
public static final String BUTTON_NETWORK_SELECT_KEY = "button_network_select_key";
public static final String BUTTON_AUTO_SELECT_KEY = "button_auto_select_key";
public static final String BUTTON_CHOOSE_NETWORK_KEY = "button_choose_network_key";
public static final String CATEGORY_NETWORK_OPERATORS_KEY = "network_operators_category_key";
//preference objects
private NetworkSelectListPreference mNetworkSelect;
private TwoStatePreference mAutoSelect;
private Preference mChooseNetwork;
private ProgressDialog mProgressDialog;
private int mSubId;
private TelephonyManager mTelephonyManager;
// There's two sets of Auto-Select UI in this class.
// If {@code com.android.internal.R.bool.config_enableNewAutoSelectNetworkUI} set as true
// {@link mChooseNetwork} will be used, otherwise {@link mNetworkSelect} will be used.
boolean mEnableNewManualSelectNetworkUI;
public NetworkOperators(Context context, AttributeSet attrs) {
super(context, attrs);
}
public NetworkOperators(Context context) {
super(context);
}
/**
* Initialize NetworkOperators instance.
*/
public void initialize() {
mEnableNewManualSelectNetworkUI = getContext().getResources().getBoolean(
com.android.internal.R.bool.config_enableNewAutoSelectNetworkUI);
mAutoSelect = (TwoStatePreference) findPreference(BUTTON_AUTO_SELECT_KEY);
mChooseNetwork = findPreference(BUTTON_CHOOSE_NETWORK_KEY);
mNetworkSelect = (NetworkSelectListPreference) findPreference(BUTTON_NETWORK_SELECT_KEY);
if (mEnableNewManualSelectNetworkUI) {
removePreference(mNetworkSelect);
} else {
removePreference(mChooseNetwork);
}
mProgressDialog = new ProgressDialog(getContext());
mTelephonyManager = TelephonyManager.from(getContext());
}
/**
* Update NetworkOperators instance if like subId is updated.
*
* @param subId Corresponding subscription ID of this network.
*/
protected void update(final int subId) {
mSubId = subId;
mTelephonyManager = TelephonyManager.from(getContext()).createForSubscriptionId(mSubId);
if (mAutoSelect != null) {
mAutoSelect.setOnPreferenceChangeListener(this);
}
if (mEnableNewManualSelectNetworkUI) {
if (mChooseNetwork != null) {
ServiceState ss = mTelephonyManager.getServiceState();
if (ss != null && ss.getState() == ServiceState.STATE_IN_SERVICE) {
mChooseNetwork.setSummary(mTelephonyManager.getNetworkOperatorName());
} else {
mChooseNetwork.setSummary(R.string.network_disconnected);
}
}
} else {
if (mNetworkSelect != null) {
mNetworkSelect.initialize(mSubId, this, mProgressDialog);
}
}
getNetworkSelectionMode();
}
/**
* Implemented to support onPreferenceChangeListener to look for preference
* changes specifically on auto select button.
*
* @param preference is the preference to be changed, should be auto select button.
* @param newValue should be the value of whether autoSelect is checked.
*/
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
if (preference == mAutoSelect) {
boolean autoSelect = (Boolean) newValue;
if (DBG) logd("onPreferenceChange autoSelect: " + String.valueOf(autoSelect));
selectNetworkAutomatic(autoSelect);
MetricsLogger.action(getContext(),
MetricsEvent.ACTION_MOBILE_NETWORK_AUTO_SELECT_NETWORK_TOGGLE, autoSelect);
return true;
}
return false;
}
private final Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case EVENT_AUTO_SELECT_DONE:
mAutoSelect.setEnabled(true);
dismissProgressBar();
boolean isSuccessed = (boolean) msg.obj;
if (isSuccessed) {
if (DBG) logd("automatic network selection: succeeded!");
displayNetworkSelectionSucceeded();
} else {
if (DBG) logd("automatic network selection: failed!");
displayNetworkSelectionFailed();
}
break;
case EVENT_GET_NETWORK_SELECTION_MODE_DONE:
int networkSelectionMode = msg.arg1;
if (networkSelectionMode == TelephonyManager.NETWORK_SELECTION_MODE_UNKNOWN) {
if (DBG) logd("get network selection mode: failed!");
} else {
boolean autoSelect = networkSelectionMode
== TelephonyManager.NETWORK_SELECTION_MODE_AUTO;
if (DBG) {
logd("get network selection mode: "
+ (autoSelect ? "auto" : "manual") + " selection");
}
if (mAutoSelect != null) {
mAutoSelect.setChecked(autoSelect);
}
if (mEnableNewManualSelectNetworkUI) {
if (mChooseNetwork != null) {
mChooseNetwork.setEnabled(!autoSelect);
}
} else {
if (mNetworkSelect != null) {
mNetworkSelect.setEnabled(!autoSelect);
}
}
}
}
return;
}
};
// Used by both mAutoSelect and mNetworkSelect buttons.
protected void displayNetworkSelectionFailed() {
Toast.makeText(getContext(), R.string.connect_later, Toast.LENGTH_LONG).show();
}
// Used by both mAutoSelect and mNetworkSelect buttons.
protected void displayNetworkSelectionSucceeded() {
Toast.makeText(getContext(), R.string.registration_done, Toast.LENGTH_LONG).show();
}
private void selectNetworkAutomatic(boolean autoSelect) {
if (DBG) logd("selectNetworkAutomatic: " + String.valueOf(autoSelect));
if (autoSelect) {
if (mEnableNewManualSelectNetworkUI) {
if (mChooseNetwork != null) {
mChooseNetwork.setEnabled(!autoSelect);
}
} else {
if (mNetworkSelect != null) {
mNetworkSelect.setEnabled(!autoSelect);
}
}
if (DBG) logd("select network automatically...");
showAutoSelectProgressBar();
mAutoSelect.setEnabled(false);
if (SubscriptionManager.isValidSubscriptionId(mSubId)) {
ThreadUtils.postOnBackgroundThread(() -> {
mTelephonyManager.setNetworkSelectionModeAutomatic();
// Because TelephonyManager#setNetworkSelectionModeAutomatic doesn't have a
// return value, we query the current network selection mode to tell if the
// TelephonyManager#setNetworkSelectionModeAutomatic is successed.
int networkSelectionMode = mTelephonyManager.getNetworkSelectionMode();
Message msg = mHandler.obtainMessage(EVENT_AUTO_SELECT_DONE);
msg.obj = networkSelectionMode == TelephonyManager.NETWORK_SELECTION_MODE_AUTO;
msg.sendToTarget();
});
}
} else {
if (mEnableNewManualSelectNetworkUI) {
if (mChooseNetwork != null) {
// Open the choose Network page automatically when user turn off the auto-select
openChooseNetworkPage();
}
} else {
if (mNetworkSelect != null) {
mNetworkSelect.onClick();
}
}
}
}
protected void getNetworkSelectionMode() {
if (DBG) logd("getting network selection mode...");
ThreadUtils.postOnBackgroundThread(() -> {
int networkSelectionMode = mTelephonyManager.getNetworkSelectionMode();
Message msg = mHandler.obtainMessage(EVENT_GET_NETWORK_SELECTION_MODE_DONE);
msg.arg1 = networkSelectionMode;
msg.sendToTarget();
});
}
private void dismissProgressBar() {
if (mProgressDialog != null && mProgressDialog.isShowing()) {
mProgressDialog.dismiss();
}
}
private void showAutoSelectProgressBar() {
mProgressDialog.setMessage(
getContext().getResources().getString(R.string.register_automatically));
mProgressDialog.setCanceledOnTouchOutside(false);
mProgressDialog.setCancelable(false);
mProgressDialog.setIndeterminate(true);
mProgressDialog.show();
}
/**
* Open the Choose network page via {@alink NetworkSelectSettingActivity}
*/
public void openChooseNetworkPage() {
Intent intent = NetworkSelectSettingActivity.getIntent(getContext(), mSubId);
getContext().startActivity(intent);
}
protected boolean preferenceTreeClick(Preference preference) {
if (mEnableNewManualSelectNetworkUI) {
if (DBG) logd("enable New AutoSelectNetwork UI");
if (preference == mChooseNetwork) {
openChooseNetworkPage();
}
return (preference == mAutoSelect || preference == mChooseNetwork);
} else {
return (preference == mAutoSelect || preference == mNetworkSelect);
}
}
private void logd(String msg) {
Log.d(LOG_TAG, "[NetworksList] " + msg);
}
private void loge(String msg) {
Log.e(LOG_TAG, "[NetworksList] " + msg);
}
}

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/*
* 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.mobilenetwork;
import android.annotation.IntDef;
import android.telephony.AccessNetworkConstants.AccessNetworkType;
import android.telephony.CellInfo;
import android.telephony.NetworkScan;
import android.telephony.NetworkScanRequest;
import android.telephony.RadioAccessSpecifier;
import android.telephony.TelephonyManager;
import android.telephony.TelephonyScanManager;
import android.util.Log;
import com.android.internal.telephony.CellNetworkScanResult;
import com.android.phone.CellInfoUtil;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.SettableFuture;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.List;
import java.util.concurrent.Executor;
import java.util.stream.Collectors;
/**
* A helper class that builds the common interface and performs the network scan for two different
* network scan APIs.
*/
public class NetworkScanHelper {
public static final String TAG = "NetworkScanHelper";
private static final boolean DBG = true;
/**
* Callbacks interface to inform the network scan results.
*/
public interface NetworkScanCallback {
/**
* Called when the results is returned from {@link TelephonyManager}. This method will be
* called at least one time if there is no error occurred during the network scan.
*
* <p> This method can be called multiple times in one network scan, until
* {@link #onComplete()} or {@link #onError(int)} is called.
*
* @param results
*/
void onResults(List<CellInfo> results);
/**
* Called when the current network scan process is finished. No more
* {@link #onResults(List)} will be called for the current network scan after this method is
* called.
*/
void onComplete();
/**
* Called when an error occurred during the network scan process.
*
* <p> There is no more result returned from {@link TelephonyManager} if an error occurred.
*
* <p> {@link #onComplete()} will not be called if an error occurred.
*
* @see {@link NetworkScan.ScanErrorCode}
*/
void onError(int errorCode);
}
@Retention(RetentionPolicy.SOURCE)
@IntDef({NETWORK_SCAN_TYPE_WAIT_FOR_ALL_RESULTS, NETWORK_SCAN_TYPE_INCREMENTAL_RESULTS})
public @interface NetworkQueryType {}
/**
* Performs the network scan using {@link TelephonyManager#getAvailableNetworks()}. The network
* scan results won't be returned to the caller until the network scan is completed.
*
* <p> This is typically used when the modem doesn't support the new network scan api
* {@link TelephonyManager#requestNetworkScan(
* NetworkScanRequest, Executor, TelephonyScanManager.NetworkScanCallback)}.
*/
public static final int NETWORK_SCAN_TYPE_WAIT_FOR_ALL_RESULTS = 1;
/**
* Performs the network scan using {@link TelephonyManager#requestNetworkScan(
* NetworkScanRequest, Executor, TelephonyScanManager.NetworkScanCallback)} The network scan
* results will be returned to the caller periodically in a small time window until the network
* scan is completed. The complete results should be returned in the last called of
* {@link NetworkScanCallback#onResults(List)}.
*
* <p> This is recommended to be used if modem supports the new network scan api
* {@link TelephonyManager#requestNetworkScan(
* NetworkScanRequest, Executor, TelephonyScanManager.NetworkScanCallback)}
*/
public static final int NETWORK_SCAN_TYPE_INCREMENTAL_RESULTS = 2;
/** The constants below are used in the async network scan. */
private static final boolean INCREMENTAL_RESULTS = true;
private static final int SEARCH_PERIODICITY_SEC = 5;
private static final int MAX_SEARCH_TIME_SEC = 300;
private static final int INCREMENTAL_RESULTS_PERIODICITY_SEC = 3;
private static final NetworkScanRequest NETWORK_SCAN_REQUEST =
new NetworkScanRequest(
NetworkScanRequest.SCAN_TYPE_ONE_SHOT,
new RadioAccessSpecifier[]{
// GSM
new RadioAccessSpecifier(
AccessNetworkType.GERAN,
null /* bands */,
null /* channels */),
// LTE
new RadioAccessSpecifier(
AccessNetworkType.EUTRAN,
null /* bands */,
null /* channels */),
// WCDMA
new RadioAccessSpecifier(
AccessNetworkType.UTRAN,
null /* bands */,
null /* channels */)
},
SEARCH_PERIODICITY_SEC,
MAX_SEARCH_TIME_SEC,
INCREMENTAL_RESULTS,
INCREMENTAL_RESULTS_PERIODICITY_SEC,
null /* List of PLMN ids (MCC-MNC) */);
private final NetworkScanCallback mNetworkScanCallback;
private final TelephonyManager mTelephonyManager;
private final TelephonyScanManager.NetworkScanCallback mInternalNetworkScanCallback;
private final Executor mExecutor;
private NetworkScan mNetworkScanRequester;
/** Callbacks for sync network scan */
private ListenableFuture<List<CellInfo>> mNetworkScanFuture;
public NetworkScanHelper(TelephonyManager tm, NetworkScanCallback callback, Executor executor) {
mTelephonyManager = tm;
mNetworkScanCallback = callback;
mInternalNetworkScanCallback = new NetworkScanCallbackImpl();
mExecutor = executor;
}
/**
* Performs a network scan for the given type {@code type}.
* {@link #NETWORK_SCAN_TYPE_INCREMENTAL_RESULTS} is recommended if modem supports
* {@link TelephonyManager#requestNetworkScan(
* NetworkScanRequest, Executor, TelephonyScanManager.NetworkScanCallback)}.
*
* @param type used to tell which network scan API should be used.
*/
public void startNetworkScan(@NetworkQueryType int type) {
if (type == NETWORK_SCAN_TYPE_WAIT_FOR_ALL_RESULTS) {
mNetworkScanFuture = SettableFuture.create();
Futures.addCallback(mNetworkScanFuture, new FutureCallback<List<CellInfo>>() {
@Override
public void onSuccess(List<CellInfo> result) {
onResults(result);
onComplete();
}
@Override
public void onFailure(Throwable t) {
int errCode = Integer.parseInt(t.getMessage());
onError(errCode);
}
});
mExecutor.execute(new NetworkScanSyncTask(
mTelephonyManager, (SettableFuture) mNetworkScanFuture));
} else if (type == NETWORK_SCAN_TYPE_INCREMENTAL_RESULTS) {
if (DBG) Log.d(TAG, "start network scan async");
mNetworkScanRequester = mTelephonyManager.requestNetworkScan(
NETWORK_SCAN_REQUEST,
mExecutor,
mInternalNetworkScanCallback);
}
}
/**
* The network scan of type {@link #NETWORK_SCAN_TYPE_WAIT_FOR_ALL_RESULTS} can't be stopped,
* however, the result of the current network scan won't be returned to the callback after
* calling this method.
*/
public void stopNetworkQuery() {
if (mNetworkScanRequester != null) {
mNetworkScanRequester.stopScan();
mNetworkScanFuture = null;
}
if (mNetworkScanFuture != null) {
mNetworkScanFuture.cancel(true /* mayInterruptIfRunning */);
mNetworkScanFuture = null;
}
}
private void onResults(List<CellInfo> cellInfos) {
mNetworkScanCallback.onResults(cellInfos);
}
private void onComplete() {
mNetworkScanCallback.onComplete();
}
private void onError(int errCode) {
mNetworkScanCallback.onError(errCode);
}
/**
* Converts the status code of {@link CellNetworkScanResult} to one of the
* {@link NetworkScan.ScanErrorCode}.
* @param errCode status code from {@link CellNetworkScanResult}.
*
* @return one of the scan error code from {@link NetworkScan.ScanErrorCode}.
*/
private static int convertToScanErrorCode(int errCode) {
switch (errCode) {
case CellNetworkScanResult.STATUS_RADIO_NOT_AVAILABLE:
return NetworkScan.ERROR_RADIO_INTERFACE_ERROR;
case CellNetworkScanResult.STATUS_RADIO_GENERIC_FAILURE:
default:
return NetworkScan.ERROR_MODEM_ERROR;
}
}
private final class NetworkScanCallbackImpl extends TelephonyScanManager.NetworkScanCallback {
public void onResults(List<CellInfo> results) {
if (DBG) Log.d(TAG, "async scan onResults() results = " + results);
NetworkScanHelper.this.onResults(results);
}
public void onComplete() {
if (DBG) Log.d(TAG, "async scan onComplete()");
NetworkScanHelper.this.onComplete();
}
public void onError(@NetworkScan.ScanErrorCode int errCode) {
if (DBG) Log.d(TAG, "async scan onError() errorCode = " + errCode);
NetworkScanHelper.this.onError(errCode);
}
}
private static final class NetworkScanSyncTask implements Runnable {
private final SettableFuture<List<CellInfo>> mCallback;
private final TelephonyManager mTelephonyManager;
NetworkScanSyncTask(
TelephonyManager telephonyManager, SettableFuture<List<CellInfo>> callback) {
mTelephonyManager = telephonyManager;
mCallback = callback;
}
@Override
public void run() {
if (DBG) Log.d(TAG, "sync scan start");
CellNetworkScanResult result = mTelephonyManager.getAvailableNetworks();
if (result.getStatus() == CellNetworkScanResult.STATUS_SUCCESS) {
List<CellInfo> cellInfos = result.getOperators()
.stream()
.map(operatorInfo
-> CellInfoUtil.convertOperatorInfoToCellInfo(operatorInfo))
.collect(Collectors.toList());
if (DBG) Log.d(TAG, "sync scan complete");
mCallback.set(cellInfos);
} else {
mCallback.setException(new Throwable(
Integer.toString(convertToScanErrorCode(result.getStatus()))));
}
}
}
}

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/*
* Copyright (C) 2006 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.phone;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.AsyncTask;
import android.os.Handler;
import android.os.Message;
import android.os.Parcel;
import android.os.Parcelable;
import android.preference.ListPreference;
import android.preference.Preference;
import android.telephony.CellInfo;
import android.telephony.CellInfoCdma;
import android.telephony.CellInfoGsm;
import android.telephony.CellInfoLte;
import android.telephony.CellInfoWcdma;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.text.BidiFormatter;
import android.text.TextDirectionHeuristics;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.util.Log;
import android.widget.Toast;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
import com.android.internal.telephony.OperatorInfo;
import com.android.phone.NetworkScanHelper.NetworkScanCallback;
import com.android.settingslib.utils.ThreadUtils;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
/**
* "Networks" preference in "Mobile network" settings UI for the Phone app.
* It's used to manually search and choose mobile network. Enabled only when
* autoSelect preference is turned off.
*/
public class NetworkSelectListPreference extends ListPreference
implements DialogInterface.OnCancelListener,
Preference.OnPreferenceChangeListener{
private static final String LOG_TAG = "networkSelect";
private static final boolean DBG = true;
private static final int EVENT_MANUALLY_NETWORK_SELECTION_DONE = 1;
private static final int EVENT_NETWORK_SCAN_RESULTS = 2;
private static final int EVENT_NETWORK_SCAN_COMPLETED = 3;
private static final int EVENT_NETWORK_SCAN_ERROR = 4;
//dialog ids
private static final int DIALOG_NETWORK_SELECTION = 100;
private static final int DIALOG_NETWORK_LIST_LOAD = 200;
private final ExecutorService mNetworkScanExecutor = Executors.newFixedThreadPool(1);
private List<CellInfo> mCellInfoList;
private CellInfo mCellInfo;
private int mSubId;
private TelephonyManager mTelephonyManager;
private NetworkScanHelper mNetworkScanHelper;
private NetworkOperators mNetworkOperators;
private List<String> mForbiddenPlmns;
private ProgressDialog mProgressDialog;
public NetworkSelectListPreference(Context context, AttributeSet attrs) {
super(context, attrs);
}
public NetworkSelectListPreference(Context context, AttributeSet attrs, int defStyleAttr,
int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
}
@Override
protected void onClick() {
showProgressDialog(DIALOG_NETWORK_LIST_LOAD);
TelephonyManager telephonyManager = (TelephonyManager)
getContext().getSystemService(Context.TELEPHONY_SERVICE);
new AsyncTask<Void, Void, List<String>>() {
@Override
protected List<String> doInBackground(Void... voids) {
String[] forbiddenPlmns = telephonyManager.getForbiddenPlmns();
return forbiddenPlmns != null ? Arrays.asList(forbiddenPlmns) : null;
}
@Override
protected void onPostExecute(List<String> result) {
mForbiddenPlmns = result;
loadNetworksList();
}
}.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
}
private final Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case EVENT_MANUALLY_NETWORK_SELECTION_DONE:
if (DBG) logd("hideProgressPanel");
dismissProgressDialog();
boolean isSuccessed = (boolean) msg.obj;
if (isSuccessed) {
if (DBG) {
logd("manual network selection: succeeded! "
+ getNetworkTitle(mCellInfo));
}
mNetworkOperators.displayNetworkSelectionSucceeded();
} else {
if (DBG) logd("manual network selection: failed!");
mNetworkOperators.displayNetworkSelectionFailed();
}
mNetworkOperators.getNetworkSelectionMode();
break;
case EVENT_NETWORK_SCAN_RESULTS:
List<CellInfo> results = (List<CellInfo>) msg.obj;
results.removeIf(cellInfo -> cellInfo == null);
mCellInfoList = new ArrayList<>(results);
if (DBG) logd("CALLBACK_SCAN_RESULTS" + mCellInfoList.toString());
break;
case EVENT_NETWORK_SCAN_COMPLETED:
if (DBG) logd("scan complete, load the cellInfosList");
dismissProgressDialog();
networksListLoaded();
break;
case EVENT_NETWORK_SCAN_ERROR:
dismissProgressDialog();
displayNetworkQueryFailed();
mNetworkOperators.getNetworkSelectionMode();
break;
}
return;
}
};
private final NetworkScanHelper.NetworkScanCallback mCallback = new NetworkScanCallback() {
public void onResults(List<CellInfo> results) {
if (DBG) logd("get scan results: " + results.toString());
Message msg = mHandler.obtainMessage(EVENT_NETWORK_SCAN_RESULTS, results);
msg.sendToTarget();
}
public void onComplete() {
if (DBG) logd("network scan completed.");
Message msg = mHandler.obtainMessage(EVENT_NETWORK_SCAN_COMPLETED);
msg.sendToTarget();
}
public void onError(int error) {
if (DBG) logd("network scan error.");
Message msg = mHandler.obtainMessage(EVENT_NETWORK_SCAN_ERROR);
msg.sendToTarget();
}
};
@Override
//implemented for DialogInterface.OnCancelListener
public void onCancel(DialogInterface dialog) {
if (DBG) logd("user manually close the dialog");
mNetworkScanHelper.stopNetworkQuery();
// If cancelled, we query NetworkSelectMode and update states of AutoSelect button.
mNetworkOperators.getNetworkSelectionMode();
}
@Override
protected void onDialogClosed(boolean positiveResult) {
super.onDialogClosed(positiveResult);
// If dismissed, we query NetworkSelectMode and update states of AutoSelect button.
if (!positiveResult) {
mNetworkOperators.getNetworkSelectionMode();
}
}
// This initialize method needs to be called for this preference to work properly.
protected void initialize(int subId, NetworkOperators networkOperators,
ProgressDialog progressDialog) {
mSubId = subId;
mNetworkOperators = networkOperators;
// This preference should share the same progressDialog with networkOperators category.
mProgressDialog = progressDialog;
mTelephonyManager = TelephonyManager.from(getContext()).createForSubscriptionId(mSubId);
mNetworkScanHelper = new NetworkScanHelper(
mTelephonyManager, mCallback, mNetworkScanExecutor);
setSummary(mTelephonyManager.getNetworkOperatorName());
setOnPreferenceChangeListener(this);
}
@Override
protected void onPrepareForRemoval() {
destroy();
super.onPrepareForRemoval();
}
private void destroy() {
dismissProgressDialog();
if (mNetworkScanHelper != null) {
mNetworkScanHelper.stopNetworkQuery();
}
mNetworkScanExecutor.shutdown();
}
private void displayEmptyNetworkList() {
Toast.makeText(getContext(), R.string.empty_networks_list, Toast.LENGTH_LONG).show();
}
private void displayNetworkQueryFailed() {
Toast.makeText(getContext(), R.string.network_query_error, Toast.LENGTH_LONG).show();
}
private void loadNetworksList() {
if (DBG) logd("load networks list...");
mNetworkScanHelper.startNetworkScan(
NetworkScanHelper.NETWORK_SCAN_TYPE_WAIT_FOR_ALL_RESULTS);
}
private void networksListLoaded() {
if (DBG) logd("networks list loaded");
mNetworkOperators.getNetworkSelectionMode();
if (mCellInfoList != null) {
// create a preference for each item in the list.
// just use the operator name instead of the mildly
// confusing mcc/mnc.
List<CharSequence> networkEntriesList = new ArrayList<>();
List<CharSequence> networkEntryValuesList = new ArrayList<>();
for (CellInfo cellInfo: mCellInfoList) {
// Display each operator name only once.
String networkTitle = getNetworkTitle(cellInfo);
if (CellInfoUtil.isForbidden(cellInfo, mForbiddenPlmns)) {
networkTitle += " "
+ getContext().getResources().getString(R.string.forbidden_network);
}
networkEntriesList.add(networkTitle);
networkEntryValuesList.add(getOperatorNumeric(cellInfo));
}
setEntries(networkEntriesList.toArray(new CharSequence[networkEntriesList.size()]));
setEntryValues(networkEntryValuesList.toArray(
new CharSequence[networkEntryValuesList.size()]));
super.onClick();
} else {
displayEmptyNetworkList();
}
}
private void dismissProgressDialog() {
if (mProgressDialog != null && mProgressDialog.isShowing()) {
try {
mProgressDialog.dismiss();
} catch (IllegalArgumentException ex) {
loge("Can't close the progress dialog " + ex);
}
}
}
private void showProgressDialog(int id) {
if (mProgressDialog == null) {
mProgressDialog = new ProgressDialog(getContext());
} else {
// Dismiss progress bar if it's showing now.
dismissProgressDialog();
}
switch (id) {
case DIALOG_NETWORK_SELECTION:
final String networkSelectMsg = getContext().getResources()
.getString(R.string.register_on_network,
getNetworkTitle(mCellInfo));
mProgressDialog.setMessage(networkSelectMsg);
mProgressDialog.setCanceledOnTouchOutside(false);
mProgressDialog.setCancelable(false);
mProgressDialog.setIndeterminate(true);
break;
case DIALOG_NETWORK_LIST_LOAD:
mProgressDialog.setMessage(
getContext().getResources().getString(R.string.load_networks_progress));
mProgressDialog.setCanceledOnTouchOutside(false);
mProgressDialog.setCancelable(true);
mProgressDialog.setIndeterminate(false);
mProgressDialog.setOnCancelListener(this);
break;
default:
}
mProgressDialog.show();
}
/**
* Implemented to support onPreferenceChangeListener to look for preference
* changes specifically on this button.
*
* @param preference is the preference to be changed, should be network select button.
* @param newValue should be the value of the selection as index of operators.
*/
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
int operatorIndex = findIndexOfValue((String) newValue);
mCellInfo = mCellInfoList.get(operatorIndex);
if (DBG) logd("selected network: " + mCellInfo.toString());
MetricsLogger.action(getContext(),
MetricsEvent.ACTION_MOBILE_NETWORK_MANUAL_SELECT_NETWORK);
if (SubscriptionManager.isValidSubscriptionId(mSubId)) {
ThreadUtils.postOnBackgroundThread(() -> {
final OperatorInfo operatorInfo = getOperatorInfoFromCellInfo(mCellInfo);
if (DBG) logd("manually selected network: " + operatorInfo.toString());
boolean isSuccessed = mTelephonyManager.setNetworkSelectionModeManual(
operatorInfo, true /* persistSelection */);
Message msg = mHandler.obtainMessage(EVENT_MANUALLY_NETWORK_SELECTION_DONE);
msg.obj = isSuccessed;
msg.sendToTarget();
});
} else {
loge("Error selecting network, subscription Id is invalid " + mSubId);
}
return true;
}
/**
* Returns the title of the network obtained in the manual search.
*
* @param cellInfo contains the information of the network.
* @return Long Name if not null/empty, otherwise Short Name if not null/empty,
* else MCCMNC string.
*/
private String getNetworkTitle(CellInfo cellInfo) {
OperatorInfo ni = getOperatorInfoFromCellInfo(cellInfo);
if (!TextUtils.isEmpty(ni.getOperatorAlphaLong())) {
return ni.getOperatorAlphaLong();
} else if (!TextUtils.isEmpty(ni.getOperatorAlphaShort())) {
return ni.getOperatorAlphaShort();
} else {
BidiFormatter bidiFormatter = BidiFormatter.getInstance();
return bidiFormatter.unicodeWrap(ni.getOperatorNumeric(), TextDirectionHeuristics.LTR);
}
}
/**
* Returns the operator numeric (MCCMNC) obtained in the manual search.
*
* @param cellInfo contains the information of the network.
* @return MCCMNC string.
*/
private String getOperatorNumeric(CellInfo cellInfo) {
return getOperatorInfoFromCellInfo(cellInfo).getOperatorNumeric();
}
/**
* Wrap a cell info into an operator info.
*/
private OperatorInfo getOperatorInfoFromCellInfo(CellInfo cellInfo) {
OperatorInfo oi;
if (cellInfo instanceof CellInfoLte) {
CellInfoLte lte = (CellInfoLte) cellInfo;
oi = new OperatorInfo(
(String) lte.getCellIdentity().getOperatorAlphaLong(),
(String) lte.getCellIdentity().getOperatorAlphaShort(),
lte.getCellIdentity().getMobileNetworkOperator());
} else if (cellInfo instanceof CellInfoWcdma) {
CellInfoWcdma wcdma = (CellInfoWcdma) cellInfo;
oi = new OperatorInfo(
(String) wcdma.getCellIdentity().getOperatorAlphaLong(),
(String) wcdma.getCellIdentity().getOperatorAlphaShort(),
wcdma.getCellIdentity().getMobileNetworkOperator());
} else if (cellInfo instanceof CellInfoGsm) {
CellInfoGsm gsm = (CellInfoGsm) cellInfo;
oi = new OperatorInfo(
(String) gsm.getCellIdentity().getOperatorAlphaLong(),
(String) gsm.getCellIdentity().getOperatorAlphaShort(),
gsm.getCellIdentity().getMobileNetworkOperator());
} else if (cellInfo instanceof CellInfoCdma) {
CellInfoCdma cdma = (CellInfoCdma) cellInfo;
oi = new OperatorInfo(
(String) cdma.getCellIdentity().getOperatorAlphaLong(),
(String) cdma.getCellIdentity().getOperatorAlphaShort(),
"" /* operator numeric */);
} else {
oi = new OperatorInfo("", "", "");
}
return oi;
}
@Override
protected Parcelable onSaveInstanceState() {
final Parcelable superState = super.onSaveInstanceState();
if (isPersistent()) {
// No need to save instance state since it's persistent
return superState;
}
final SavedState myState = new SavedState(superState);
myState.mDialogListEntries = getEntries();
myState.mDialogListEntryValues = getEntryValues();
myState.mCellInfoList = mCellInfoList;
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;
if (getEntries() == null && myState.mDialogListEntries != null) {
setEntries(myState.mDialogListEntries);
}
if (getEntryValues() == null && myState.mDialogListEntryValues != null) {
setEntryValues(myState.mDialogListEntryValues);
}
if (mCellInfoList == null && myState.mCellInfoList != null) {
mCellInfoList = myState.mCellInfoList;
}
super.onRestoreInstanceState(myState.getSuperState());
}
/**
* We save entries, entryValues and operatorInfoList into bundle.
* At onCreate of fragment, dialog will be restored if it was open. In this case,
* we need to restore entries, entryValues and operatorInfoList. Without those information,
* onPreferenceChange will fail if user select network from the dialog.
*/
private static class SavedState extends BaseSavedState {
CharSequence[] mDialogListEntries;
CharSequence[] mDialogListEntryValues;
List<CellInfo> mCellInfoList;
SavedState(Parcel source) {
super(source);
final ClassLoader boot = Object.class.getClassLoader();
mDialogListEntries = source.readCharSequenceArray();
mDialogListEntryValues = source.readCharSequenceArray();
mCellInfoList = source.readParcelableList(mCellInfoList, boot);
}
@Override
public void writeToParcel(Parcel dest, int flags) {
super.writeToParcel(dest, flags);
dest.writeCharSequenceArray(mDialogListEntries);
dest.writeCharSequenceArray(mDialogListEntryValues);
dest.writeParcelableList(mCellInfoList, flags);
}
SavedState(Parcelable superState) {
super(superState);
}
public static final Parcelable.Creator<SavedState> CREATOR =
new Parcelable.Creator<SavedState>() {
public SavedState createFromParcel(Parcel in) {
return new SavedState(in);
}
public SavedState[] newArray(int size) {
return new SavedState[size];
}
};
}
private void logd(String msg) {
Log.d(LOG_TAG, "[NetworksList] " + msg);
}
private void loge(String msg) {
Log.e(LOG_TAG, "[NetworksList] " + msg);
}
}

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/*
* 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.mobilenetwork;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.os.PersistableBundle;
import android.telephony.CarrierConfigManager;
/**
* A dialog fragment that asks the user if they are sure they want to turn on data roaming
* to avoid accidental charges.
*/
public class RoamingDialogFragment extends DialogFragment implements OnClickListener {
public static final String SUB_ID_KEY = "sub_id_key";
private CarrierConfigManager mCarrierConfigManager;
private int mSubId;
/**
* The interface we expect a host activity to implement.
*/
public interface RoamingDialogListener {
void onPositiveButtonClick(DialogFragment dialog);
}
// the host activity which implements the listening interface
private RoamingDialogListener mListener;
@Override
public void onAttach(Context context) {
super.onAttach(context);
Bundle args = getArguments();
mSubId = args.getInt(SUB_ID_KEY);
mCarrierConfigManager = new CarrierConfigManager(context);
// Verify host activity implemented callback interface
FragmentManager fragmentManager = getFragmentManager();
Fragment fragment = fragmentManager.findFragmentById(R.id.network_setting_content);
try {
mListener = (RoamingDialogListener) fragment;
} catch (ClassCastException e) {
throw new ClassCastException(fragment.toString() +
"must implement RoamingDialogListener");
}
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
int title = R.string.roaming_alert_title;
PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(mSubId);
if (carrierConfig != null && carrierConfig.getBoolean(
CarrierConfigManager.KEY_CHECK_PRICING_WITH_CARRIER_FOR_DATA_ROAMING_BOOL)) {
title = R.string.roaming_check_price_warning;
}
builder.setMessage(getResources().getString(R.string.roaming_warning))
.setTitle(title)
.setIconAttribute(android.R.attr.alertDialogIcon)
.setPositiveButton(android.R.string.yes, this)
.setNegativeButton(android.R.string.no, this);
return builder.create();
}
@Override
public void onClick(DialogInterface dialog, int which) {
// let the host know that the positive button has been clicked
if (which == dialog.BUTTON_POSITIVE) {
mListener.onPositiveButtonClick(this);
}
}
}