[Settings] Remove access to getSimOperator() API (bb53dd5f) · Commits · e / os / android_packages_apps_Settings

src/com/android/settings/network/ActiveSubsciptionsListener.java

+35 −0

Original line number	Diff line number	Diff line
		@@ -177,6 +177,41 @@ public abstract class ActiveSubsciptionsListener
		return null;
		}

		/**
		* Get a list of accessible subscription info
		*
		* @return A list of accessible subscription info
		*/
		public List<SubscriptionInfo> getAccessibleSubscriptionsInfo() {
		return getSubscriptionManager().getAccessibleSubscriptionInfoList();
		}

		/**
		* Get an accessible subscription info with given subscription ID
		*
		* @param subId target subscription ID
		* @return A subscription info which is accessible list
		*/
		public SubscriptionInfo getAccessibleSubscriptionInfo(int subId) {
		if (mIsCachedDataAvailable) {
		final SubscriptionInfo activeSubInfo = getActiveSubscriptionInfo(subId);
		if (activeSubInfo != null) {
		return activeSubInfo;
		}
		}

		final List<SubscriptionInfo> subInfoList = getAccessibleSubscriptionsInfo();
		if (subInfoList == null) {
		return null;
		}
		for (SubscriptionInfo subInfo : subInfoList) {
		if (subInfo.getSubscriptionId() == subId) {
		return subInfo;
		}
		}
		return null;
		}

		/**
		* Clear data cached within listener
		*/

src/com/android/settings/network/ApnEditor.java

+93 −68

Original line number	Diff line number	Diff line
		@@ -16,8 +16,6 @@

		package com.android.settings.network;

		import static android.content.Context.TELEPHONY_SERVICE;

		import android.app.Dialog;
		import android.app.settings.SettingsEnums;
		import android.content.ContentValues;
		@@ -30,6 +28,7 @@ import android.os.PersistableBundle;
		import android.provider.Telephony;
		import android.telephony.CarrierConfigManager;
		import android.telephony.ServiceState;
		import android.telephony.SubscriptionInfo;
		import android.telephony.SubscriptionManager;
		import android.telephony.TelephonyManager;
		import android.text.TextUtils;
		@@ -60,6 +59,7 @@ import com.android.settingslib.utils.ThreadUtils;
		import java.util.Arrays;
		import java.util.HashSet;
		import java.util.List;
		import java.util.Objects;
		import java.util.Set;

		public class ApnEditor extends SettingsPreferenceFragment
		@@ -131,7 +131,7 @@ public class ApnEditor extends SettingsPreferenceFragment

		private boolean mNewApn;
		private int mSubId;
		private TelephonyManager mTelephonyManager;
		private ProxySubscriptionManager mProxySubscriptionMgr;
		private int mBearerInitialVal = 0;
		private String mMvnoTypeStr;
		private String mMvnoMatchDataStr;
		@@ -209,6 +209,11 @@ public class ApnEditor extends SettingsPreferenceFragment
		public void onCreate(Bundle icicle) {
		super.onCreate(icicle);

		// enable ProxySubscriptionMgr with Lifecycle support for all controllers
		// live within this fragment
		mProxySubscriptionMgr = ProxySubscriptionManager.getInstance(getContext());
		mProxySubscriptionMgr.setLifecycle(getLifecycle());

		addPreferencesFromResource(R.xml.apn_editor);

		sNotSet = getResources().getString(R.string.apn_not_set);
		@@ -246,10 +251,10 @@ public class ApnEditor extends SettingsPreferenceFragment
		mReadOnlyApnTypes = null;
		mReadOnlyApnFields = null;

		CarrierConfigManager configManager = (CarrierConfigManager)
		final CarrierConfigManager configManager = (CarrierConfigManager)
		getSystemService(Context.CARRIER_CONFIG_SERVICE);
		if (configManager != null) {
		PersistableBundle b = configManager.getConfigForSubId(mSubId);
		final PersistableBundle b = configManager.getConfigForSubId(mSubId);
		if (b != null) {
		mReadOnlyApnTypes = b.getStringArray(
		CarrierConfigManager.KEY_READ_ONLY_APN_TYPES_STRING_ARRAY);
		@@ -300,10 +305,8 @@ public class ApnEditor extends SettingsPreferenceFragment
		mApnData = new ApnData(sProjection.length);
		}

		mTelephonyManager = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);

		boolean isUserEdited = mApnData.getInteger(EDITED_INDEX, Telephony.Carriers.USER_EDITED)
		== Telephony.Carriers.USER_EDITED;
		final boolean isUserEdited = mApnData.getInteger(EDITED_INDEX,
		Telephony.Carriers.USER_EDITED) == Telephony.Carriers.USER_EDITED;

		Log.d(TAG, "onCreate: EDITED " + isUserEdited);
		// if it's not a USER_EDITED apn, check if it's read-only
		@@ -353,7 +356,7 @@ public class ApnEditor extends SettingsPreferenceFragment
		return false;
		}

		List apnList = Arrays.asList(apnTypes);
		final List apnList = Arrays.asList(apnTypes);
		if (apnList.contains(PhoneConstants.APN_TYPE_ALL)) {
		Log.d(TAG, "hasAllApns: true because apnList.contains(PhoneConstants.APN_TYPE_ALL)");
		return true;
		@@ -384,8 +387,8 @@ public class ApnEditor extends SettingsPreferenceFragment
		return true;
		}

		List apnTypesList1 = Arrays.asList(apnTypesArray1);
		String[] apnTypesArray2 = apnTypes2.split(",");
		final List apnTypesList1 = Arrays.asList(apnTypesArray1);
		final String[] apnTypesArray2 = apnTypes2.split(",");

		for (String apn : apnTypesArray2) {
		if (apnTypesList1.contains(apn.trim())) {
		@@ -457,7 +460,7 @@ public class ApnEditor extends SettingsPreferenceFragment
		*/
		private void disableFields(String[] apnFields) {
		for (String apnField : apnFields) {
		Preference preference = getPreferenceFromFieldName(apnField);
		final Preference preference = getPreferenceFromFieldName(apnField);
		if (preference != null) {
		preference.setEnabled(false);
		}
		@@ -513,13 +516,15 @@ public class ApnEditor extends SettingsPreferenceFragment
		mMnc.setText(mApnData.getString(MNC_INDEX));
		mApnType.setText(mApnData.getString(TYPE_INDEX));
		if (mNewApn) {
		String numeric = mTelephonyManager.getSimOperator(mSubId);
		// MCC is first 3 chars and then in 2 - 3 chars of MNC
		if (numeric != null && numeric.length() > 4) {
		final SubscriptionInfo subInfo =
		mProxySubscriptionMgr.getAccessibleSubscriptionInfo(mSubId);

		// Country code
		String mcc = numeric.substring(0, 3);
		final String mcc = (subInfo == null) ? null : subInfo.getMccString();
		// Network code
		String mnc = numeric.substring(3);
		final String mnc = (subInfo == null) ? null : subInfo.getMncString();

		if ((!TextUtils.isEmpty(mcc)) && (!TextUtils.isEmpty(mcc))) {
		// Auto populate MNC and MCC for new entries, based on what SIM reports
		mMcc.setText(mcc);
		mMnc.setText(mnc);
		@@ -527,7 +532,7 @@ public class ApnEditor extends SettingsPreferenceFragment
		mCurMcc = mcc;
		}
		}
		int authVal = mApnData.getInteger(AUTH_TYPE_INDEX, -1);
		final int authVal = mApnData.getInteger(AUTH_TYPE_INDEX, -1);
		if (authVal != -1) {
		mAuthType.setValueIndex(authVal);
		} else {
		@@ -539,7 +544,7 @@ public class ApnEditor extends SettingsPreferenceFragment
		mCarrierEnabled.setChecked(mApnData.getInteger(CARRIER_ENABLED_INDEX, 1) == 1);
		mBearerInitialVal = mApnData.getInteger(BEARER_INDEX, 0);

		HashSet<String> bearers = new HashSet<String>();
		final HashSet<String> bearers = new HashSet<String>();
		int bearerBitmask = mApnData.getInteger(BEARER_BITMASK_INDEX, 0);
		if (bearerBitmask == 0) {
		if (mBearerInitialVal == 0) {
		@@ -585,12 +590,12 @@ public class ApnEditor extends SettingsPreferenceFragment
		mMnc.setSummary(formatInteger(checkNull(mMnc.getText())));
		mApnType.setSummary(checkNull(mApnType.getText()));

		String authVal = mAuthType.getValue();
		final String authVal = mAuthType.getValue();
		if (authVal != null) {
		int authValIndex = Integer.parseInt(authVal);
		final int authValIndex = Integer.parseInt(authVal);
		mAuthType.setValueIndex(authValIndex);

		String[] values = getResources().getStringArray(R.array.apn_auth_entries);
		final String[] values = getResources().getStringArray(R.array.apn_auth_entries);
		mAuthType.setSummary(values[authValIndex]);
		} else {
		mAuthType.setSummary(sNotSet);
		@@ -605,7 +610,8 @@ public class ApnEditor extends SettingsPreferenceFragment
		checkNull(mvnoDescription(mMvnoType.getValue())));
		mMvnoMatchData.setSummary(checkNull(mMvnoMatchData.getText()));
		// allow user to edit carrier_enabled for some APN
		boolean ceEditable = getResources().getBoolean(R.bool.config_allow_edit_carrier_enabled);
		final boolean ceEditable = getResources().getBoolean(
		R.bool.config_allow_edit_carrier_enabled);
		if (ceEditable) {
		mCarrierEnabled.setEnabled(true);
		} else {
		@@ -619,11 +625,11 @@ public class ApnEditor extends SettingsPreferenceFragment
		* return null.
		*/
		private String protocolDescription(String raw, ListPreference protocol) {
		int protocolIndex = protocol.findIndexOfValue(raw);
		final int protocolIndex = protocol.findIndexOfValue(raw);
		if (protocolIndex == -1) {
		return null;
		} else {
		String[] values = getResources().getStringArray(R.array.apn_protocol_entries);
		final String[] values = getResources().getStringArray(R.array.apn_protocol_entries);
		try {
		return values[protocolIndex];
		} catch (ArrayIndexOutOfBoundsException e) {
		@@ -633,8 +639,8 @@ public class ApnEditor extends SettingsPreferenceFragment
		}

		private String bearerMultiDescription(Set<String> raw) {
		String[] values = getResources().getStringArray(R.array.bearer_entries);
		StringBuilder retVal = new StringBuilder();
		final String[] values = getResources().getStringArray(R.array.bearer_entries);
		final StringBuilder retVal = new StringBuilder();
		boolean first = true;
		for (String bearer : raw) {
		int bearerIndex = mBearerMulti.findIndexOfValue(bearer);
		@@ -649,7 +655,7 @@ public class ApnEditor extends SettingsPreferenceFragment
		// ignore
		}
		}
		String val = retVal.toString();
		final String val = retVal.toString();
		if (!TextUtils.isEmpty(val)) {
		return val;
		}
		@@ -657,26 +663,45 @@ public class ApnEditor extends SettingsPreferenceFragment
		}

		private String mvnoDescription(String newValue) {
		int mvnoIndex = mMvnoType.findIndexOfValue(newValue);
		String oldValue = mMvnoType.getValue();
		final int mvnoIndex = mMvnoType.findIndexOfValue(newValue);
		final String oldValue = mMvnoType.getValue();

		if (mvnoIndex == -1) {
		return null;
		} else {
		String[] values = getResources().getStringArray(R.array.mvno_type_entries);
		boolean mvnoMatchDataUneditable =
		final String[] values = getResources().getStringArray(R.array.mvno_type_entries);
		final boolean mvnoMatchDataUneditable =
		mReadOnlyApn \|\| (mReadOnlyApnFields != null
		&& Arrays.asList(mReadOnlyApnFields)
		.contains(Telephony.Carriers.MVNO_MATCH_DATA));
		mMvnoMatchData.setEnabled(!mvnoMatchDataUneditable && mvnoIndex != 0);
		if (newValue != null && newValue.equals(oldValue) == false) {
		if (values[mvnoIndex].equals("SPN")) {
		mMvnoMatchData.setText(mTelephonyManager.getSimOperatorName());
		TelephonyManager telephonyManager = (TelephonyManager)
		getContext().getSystemService(TelephonyManager.class);
		final TelephonyManager telephonyManagerForSubId =
		telephonyManager.createForSubscriptionId(mSubId);
		if (telephonyManagerForSubId != null) {
		telephonyManager = telephonyManagerForSubId;
		}
		mMvnoMatchData.setText(telephonyManager.getSimOperatorName());
		} else if (values[mvnoIndex].equals("IMSI")) {
		String numeric = mTelephonyManager.getSimOperator(mSubId);
		mMvnoMatchData.setText(numeric + "x");
		final SubscriptionInfo subInfo =
		mProxySubscriptionMgr.getAccessibleSubscriptionInfo(mSubId);
		final String mcc = (subInfo == null) ? "" :
		Objects.toString(subInfo.getMccString(), "");
		final String mnc = (subInfo == null) ? "" :
		Objects.toString(subInfo.getMncString(), "");
		mMvnoMatchData.setText(mcc + mnc + "x");
		} else if (values[mvnoIndex].equals("GID")) {
		mMvnoMatchData.setText(mTelephonyManager.getGroupIdLevel1());
		TelephonyManager telephonyManager = (TelephonyManager)
		getContext().getSystemService(TelephonyManager.class);
		final TelephonyManager telephonyManagerForSubId =
		telephonyManager.createForSubscriptionId(mSubId);
		if (telephonyManagerForSubId != null) {
		telephonyManager = telephonyManagerForSubId;
		}
		mMvnoMatchData.setText(telephonyManager.getGroupIdLevel1());
		}
		}

		@@ -692,37 +717,37 @@ public class ApnEditor extends SettingsPreferenceFragment
		String key = preference.getKey();
		if (KEY_AUTH_TYPE.equals(key)) {
		try {
		int index = Integer.parseInt((String) newValue);
		final int index = Integer.parseInt((String) newValue);
		mAuthType.setValueIndex(index);

		String[] values = getResources().getStringArray(R.array.apn_auth_entries);
		final String[] values = getResources().getStringArray(R.array.apn_auth_entries);
		mAuthType.setSummary(values[index]);
		} catch (NumberFormatException e) {
		return false;
		}
		} else if (KEY_PROTOCOL.equals(key)) {
		String protocol = protocolDescription((String) newValue, mProtocol);
		final String protocol = protocolDescription((String) newValue, mProtocol);
		if (protocol == null) {
		return false;
		}
		mProtocol.setSummary(protocol);
		mProtocol.setValue((String) newValue);
		} else if (KEY_ROAMING_PROTOCOL.equals(key)) {
		String protocol = protocolDescription((String) newValue, mRoamingProtocol);
		final String protocol = protocolDescription((String) newValue, mRoamingProtocol);
		if (protocol == null) {
		return false;
		}
		mRoamingProtocol.setSummary(protocol);
		mRoamingProtocol.setValue((String) newValue);
		} else if (KEY_BEARER_MULTI.equals(key)) {
		String bearer = bearerMultiDescription((Set<String>) newValue);
		final String bearer = bearerMultiDescription((Set<String>) newValue);
		if (bearer == null) {
		return false;
		}
		mBearerMulti.setValues((Set<String>) newValue);
		mBearerMulti.setSummary(bearer);
		} else if (KEY_MVNO_TYPE.equals(key)) {
		String mvno = mvnoDescription((String) newValue);
		final String mvno = mvnoDescription((String) newValue);
		if (mvno == null) {
		return false;
		}
		@@ -815,14 +840,14 @@ public class ApnEditor extends SettingsPreferenceFragment
		*/
		boolean setStringValueAndCheckIfDiff(
		ContentValues cv, String key, String value, boolean assumeDiff, int index) {
		String valueFromLocalCache = mApnData.getString(index);
		final String valueFromLocalCache = mApnData.getString(index);
		if (VDBG) {
		Log.d(TAG, "setStringValueAndCheckIfDiff: assumeDiff: " + assumeDiff
		+ " key: " + key
		+ " value: '" + value
		+ "' valueFromDb: '" + valueFromLocalCache + "'");
		}
		boolean isDiff = assumeDiff
		final boolean isDiff = assumeDiff
		\|\| !((TextUtils.isEmpty(value) && TextUtils.isEmpty(valueFromLocalCache))
		\|\| (value != null && value.equals(valueFromLocalCache)));

		@@ -841,7 +866,7 @@ public class ApnEditor extends SettingsPreferenceFragment
		*/
		boolean setIntValueAndCheckIfDiff(
		ContentValues cv, String key, int value, boolean assumeDiff, int index) {
		Integer valueFromLocalCache = mApnData.getInteger(index);
		final Integer valueFromLocalCache = mApnData.getInteger(index);
		if (VDBG) {
		Log.d(TAG, "setIntValueAndCheckIfDiff: assumeDiff: " + assumeDiff
		+ " key: " + key
		@@ -849,7 +874,7 @@ public class ApnEditor extends SettingsPreferenceFragment
		+ "' valueFromDb: '" + valueFromLocalCache + "'");
		}

		boolean isDiff = assumeDiff \|\| value != valueFromLocalCache;
		final boolean isDiff = assumeDiff \|\| value != valueFromLocalCache;
		if (isDiff) {
		cv.put(key, value);
		}
		@@ -871,18 +896,18 @@ public class ApnEditor extends SettingsPreferenceFragment
		return true;
		}

		String name = checkNotSet(mName.getText());
		String apn = checkNotSet(mApn.getText());
		String mcc = checkNotSet(mMcc.getText());
		String mnc = checkNotSet(mMnc.getText());
		final String name = checkNotSet(mName.getText());
		final String apn = checkNotSet(mApn.getText());
		final String mcc = checkNotSet(mMcc.getText());
		final String mnc = checkNotSet(mMnc.getText());

		String errorMsg = validateApnData();
		final String errorMsg = validateApnData();
		if (errorMsg != null) {
		showError();
		return false;
		}

		ContentValues values = new ContentValues();
		final ContentValues values = new ContentValues();
		// call update() if it's a new APN. If not, check if any field differs from the db value;
		// if any diff is found update() should be called
		boolean callUpdate = mNewApn;
		@@ -946,7 +971,7 @@ public class ApnEditor extends SettingsPreferenceFragment
		callUpdate,
		MMSC_INDEX);

		String authVal = mAuthType.getValue();
		final String authVal = mAuthType.getValue();
		if (authVal != null) {
		callUpdate = setIntValueAndCheckIfDiff(values,
		Telephony.Carriers.AUTH_TYPE,
		@@ -993,7 +1018,7 @@ public class ApnEditor extends SettingsPreferenceFragment
		}
		}

		Set<String> bearerSet = mBearerMulti.getValues();
		final Set<String> bearerSet = mBearerMulti.getValues();
		int bearerBitmask = 0;
		for (String bearer : bearerSet) {
		if (Integer.parseInt(bearer) == 0) {
		@@ -1081,10 +1106,10 @@ public class ApnEditor extends SettingsPreferenceFragment
		String validateApnData() {
		String errorMsg = null;

		String name = checkNotSet(mName.getText());
		String apn = checkNotSet(mApn.getText());
		String mcc = checkNotSet(mMcc.getText());
		String mnc = checkNotSet(mMnc.getText());
		final String name = checkNotSet(mName.getText());
		final String apn = checkNotSet(mApn.getText());
		final String mcc = checkNotSet(mMcc.getText());
		final String mnc = checkNotSet(mMnc.getText());

		if (TextUtils.isEmpty(name)) {
		errorMsg = getResources().getString(R.string.error_name_empty);
		@@ -1101,7 +1126,7 @@ public class ApnEditor extends SettingsPreferenceFragment
		// those
		if (!ArrayUtils.isEmpty(mReadOnlyApnTypes)
		&& apnTypesMatch(mReadOnlyApnTypes, getUserEnteredApnType())) {
		StringBuilder stringBuilder = new StringBuilder();
		final StringBuilder stringBuilder = new StringBuilder();
		for (String type : mReadOnlyApnTypes) {
		stringBuilder.append(type).append(", ");
		Log.d(TAG, "validateApnData: appending type: " + type);
		@@ -1134,7 +1159,7 @@ public class ApnEditor extends SettingsPreferenceFragment
		if (value == null \|\| value.length() == 0) {
		return sNotSet;
		} else {
		char[] password = new char[value.length()];
		final char[] password = new char[value.length()];
		for (int i = 0; i < password.length; i++) {
		password[i] = '*';
		}
		@@ -1173,8 +1198,8 @@ public class ApnEditor extends SettingsPreferenceFragment
		apnTypeList = mDefaultApnTypes;
		}

		StringBuilder editableApnTypes = new StringBuilder();
		List<String> readOnlyApnTypes = Arrays.asList(mReadOnlyApnTypes);
		final StringBuilder editableApnTypes = new StringBuilder();
		final List<String> readOnlyApnTypes = Arrays.asList(mReadOnlyApnTypes);
		boolean first = true;
		for (String apnType : apnTypeList) {
		// add APN type if it is not read-only and is not wild-cardable
		@@ -1201,14 +1226,14 @@ public class ApnEditor extends SettingsPreferenceFragment
		public static class ErrorDialog extends InstrumentedDialogFragment {

		public static void showError(ApnEditor editor) {
		ErrorDialog dialog = new ErrorDialog();
		final ErrorDialog dialog = new ErrorDialog();
		dialog.setTargetFragment(editor, 0);
		dialog.show(editor.getFragmentManager(), "error");
		}

		@Override
		public Dialog onCreateDialog(Bundle savedInstanceState) {
		String msg = ((ApnEditor) getTargetFragment()).validateApnData();
		final String msg = ((ApnEditor) getTargetFragment()).validateApnData();

		return new AlertDialog.Builder(getContext())
		.setTitle(R.string.error_title)
		@@ -1296,7 +1321,7 @@ public class ApnEditor extends SettingsPreferenceFragment
		}

		Integer getInteger(int index, Integer defaultValue) {
		Integer val = getInteger(index);
		final Integer val = getInteger(index);
		return val == null ? defaultValue : val;
		}

src/com/android/settings/network/ProxySubscriptionManager.java

+35 −1

Original line number	Diff line number	Diff line
		@@ -46,6 +46,14 @@ public class ProxySubscriptionManager extends SubscriptionManager.OnSubscription
		* When active subscriptions list get changed
		*/
		void onChanged();
		/**
		* get Lifecycle of listener
		*
		* @return Returns Lifecycle.
		*/
		default Lifecycle getLifecycle() {
		return null;
		}
		}

		/**
		@@ -94,9 +102,13 @@ public class ProxySubscriptionManager extends SubscriptionManager.OnSubscription

		private void notifyAllListeners() {
		for (OnActiveSubscriptionChangedListener listener : mActiveSubscriptionsListeners) {
		final Lifecycle lifecycle = listener.getLifecycle();
		if ((lifecycle == null)
		\|\| (lifecycle.getCurrentState().isAtLeast(Lifecycle.State.STARTED))) {
		listener.onChanged();
		}
		}
		}

		@Override
		public void onSubscriptionsChanged() {
		@@ -110,6 +122,9 @@ public class ProxySubscriptionManager extends SubscriptionManager.OnSubscription
		* @param lifecycle life cycle to reference
		*/
		public void setLifecycle(Lifecycle lifecycle) {
		if (mLifecycle == lifecycle) {
		return;
		}
		if (mLifecycle != null) {
		mLifecycle.removeObserver(this);
		}
		@@ -179,6 +194,25 @@ public class ProxySubscriptionManager extends SubscriptionManager.OnSubscription
		return mSubsciptionsMonitor.getActiveSubscriptionInfo(subId);
		}

		/**
		* Get a list of accessible subscription info
		*
		* @return A list of accessible subscription info
		*/
		public List<SubscriptionInfo> getAccessibleSubscriptionsInfo() {
		return mSubsciptionsMonitor.getAccessibleSubscriptionsInfo();
		}

		/**
		* Get an accessible subscription info with given subscription ID
		*
		* @param subId target subscription ID
		* @return A subscription info which is accessible list
		*/
		public SubscriptionInfo getAccessibleSubscriptionInfo(int subId) {
		return mSubsciptionsMonitor.getAccessibleSubscriptionInfo(subId);
		}

		/**
		* Clear data cached within proxy
		*/

src/com/android/settings/network/telephony/MobileNetworkActivity.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -106,6 +106,7 @@ public class MobileNetworkActivity extends SettingsBaseActivity

		@Override
		protected void onStart() {
		mProxySubscriptionMgr.setLifecycle(getLifecycle());
		super.onStart();
		updateSubscriptions(getSubscription());
		}

src/com/android/settings/network/telephony/MobileNetworkSettings.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -112,6 +112,7 @@ public class MobileNetworkSettings extends RestrictedDashboardFragment {
		protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
		mSubId = getArguments().getInt(Settings.EXTRA_SUB_ID,
		MobileNetworkUtils.getSearchableSubscriptionId(context));
		Log.i(LOG_TAG, "display subId: " + mSubId);

		if (mSubId != SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
		return Arrays.asList(