Applies promoted emergency numbers.
- Shows promoted emergency numbers provided by Telephony framework.
- Removes the fallback emergency number "112" since it may confuse users.
- Dials promoted emergency numbers with specified phone.
- Dials other emergency numbers with default phone.
Bug: 114163622
Test: Manually
Change-Id: I26edaabd26dd06ae96018ff1d5c0177d33316a72
diff --git a/src/com/android/phone/EccShortcutAdapter.java b/src/com/android/phone/EccShortcutAdapter.java
index e14b90a..19b1fec 100644
--- a/src/com/android/phone/EccShortcutAdapter.java
+++ b/src/com/android/phone/EccShortcutAdapter.java
@@ -17,6 +17,7 @@
package com.android.phone;
import android.content.Context;
+import android.telephony.emergency.EmergencyNumber;
import android.text.TextUtils;
import android.view.View;
import android.view.ViewGroup;
@@ -25,9 +26,6 @@
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
-import com.android.phone.ecc.CountryEccInfo;
-import com.android.phone.ecc.EccInfo;
-
import com.google.common.collect.LinkedListMultimap;
import java.util.ArrayList;
@@ -35,15 +33,11 @@
/**
* An abstract adapter between ECC data and the view contains ECC shortcuts.
- * This adapter will convert given {@link CountryEccInfo} to number string, description string and
- * icon resource id for each {@link EccInfo}.
+ * This adapter prepares description and icon for every promoted emergency number.
* The subclass should implements {@link #inflateView} to provide the view for an ECC data, when the
* view container calls {@link #getView}.
*/
public abstract class EccShortcutAdapter extends BaseAdapter {
- // GSM default emergency number, used when country's fallback ECC(112 or 911) not available.
- private static final String FALLBACK_EMERGENCY_NUMBER = "112";
-
private List<EccDisplayMaterial> mEccDisplayMaterialList;
private CharSequence mPoliceDescription;
@@ -90,16 +84,16 @@
* Get a View that display the given ECC data: number, description and iconRes.
*
* @param convertView The old view to reuse, if possible. Note: You should check that this view
- * is non-null and of an appropriate type before using. If it is not possible
- * to convert this view to display the correct data, this method can create a
- * new view. Heterogeneous lists can specify their number of view types, so
- * that this View is always of the right type (see {@link
- * BaseAdapter#getViewTypeCount()} and {@link
- * BaseAdapter#getItemViewType(int)}).
- * @param parent The parent that this view will eventually be attached to.
- * @param number The number of the ECC shortcut to display in the view.
+ * is non-null and of an appropriate type before using. If it is not possible
+ * to convert this view to display the correct data, this method can create a
+ * new view. Heterogeneous lists can specify their number of view types, so
+ * that this View is always of the right type (see {@link
+ * BaseAdapter#getViewTypeCount()} and {@link
+ * BaseAdapter#getItemViewType(int)}).
+ * @param parent The parent that this view will eventually be attached to.
+ * @param number The number of the ECC shortcut to display in the view.
* @param description The description of the ECC shortcut to display in the view.
- * @param iconRes The icon resource ID represent for the ECC shortcut.
+ * @param iconRes The icon resource ID represent for the ECC shortcut.
* @return A View corresponding to the data at the specified position.
*/
public abstract View inflateView(View convertView, ViewGroup parent, CharSequence number,
@@ -110,89 +104,68 @@
* be display by the short container View.
*
* @param context The context used to access resources.
- * @param countryEccInfo Updated country ECC info.
+ * @param phoneInfo Information of the phone to make an emergency call.
*/
- public void updateCountryEccInfo(@NonNull Context context, CountryEccInfo countryEccInfo) {
+ public void updateCountryEccInfo(@NonNull Context context,
+ @Nullable ShortcutViewUtils.PhoneInfo phoneInfo) {
List<EccDisplayMaterial> displayMaterials = new ArrayList<>();
- final EccInfo.Type[] orderedMustHaveTypes =
- { EccInfo.Type.POLICE, EccInfo.Type.AMBULANCE, EccInfo.Type.FIRE };
-
- String fallback = null;
- EccInfo[] eccInfoList = null;
- if (countryEccInfo != null) {
- fallback = countryEccInfo.getFallbackEcc();
- eccInfoList = countryEccInfo.getEccInfoList();
- }
- if (TextUtils.isEmpty(fallback)) {
- fallback = FALLBACK_EMERGENCY_NUMBER;
- }
-
- // Finding matched ECC for each must have types.
- // Using LinkedListMultimap to prevent duplicated keys.
- // LinkedListMultimap also preserve the insertion order of keys (ECC number) and values
- // (matched types of the ECC number), which follows the order in orderedMustHaveTypes.
- LinkedListMultimap<String, EccInfo.Type> eccList = LinkedListMultimap.create();
- for (EccInfo.Type type : orderedMustHaveTypes) {
- String number = null;
- if (eccInfoList != null) {
- number = pickEccNumberForType(type, eccInfoList);
+ try {
+ if (phoneInfo == null) {
+ return;
}
- if (number == null) {
- number = fallback;
- }
- // append type for exist number, otherwise insert a new entry.
- eccList.put(number, type);
- }
- // prepare display material for picked ECC
- for (String number : eccList.keySet()) {
- EccDisplayMaterial material = prepareDisplayMaterialForEccInfo(context,
- new EccInfo(number, eccList.asMap().get(number)));
- if (material != null) {
- displayMaterials.add(material);
- }
- }
-
- mEccDisplayMaterialList = displayMaterials;
- notifyDataSetChanged();
- }
-
- private @Nullable String pickEccNumberForType(@NonNull EccInfo.Type targetType,
- @NonNull EccInfo[] eccInfoList) {
- EccInfo pickedEccInfo = null;
- for (EccInfo eccInfo : eccInfoList) {
- if (eccInfo.containsType(targetType)) {
- // An ECC is more suitable for a type if the ECC has fewer other types.
- if (pickedEccInfo == null
- || eccInfo.getTypesCount() < pickedEccInfo.getTypesCount()) {
- pickedEccInfo = eccInfo;
+ LinkedListMultimap<String, Integer> emergencyNumbers = LinkedListMultimap.create();
+ for (int category : ShortcutViewUtils.PROMOTED_CATEGORIES) {
+ String number = pickEmergencyNumberForCategory(category,
+ phoneInfo.getPromotedEmergencyNumbers());
+ if (number != null) {
+ emergencyNumbers.put(number, category);
}
}
+
+ // prepare display material for picked ECC
+ for (String number : emergencyNumbers.keySet()) {
+ EccDisplayMaterial material = prepareEccMaterial(context, number,
+ emergencyNumbers.get(number));
+ if (material != null) {
+ displayMaterials.add(material);
+ }
+ }
+ } finally {
+ mEccDisplayMaterialList = displayMaterials;
+ notifyDataSetChanged();
}
- if (pickedEccInfo != null) {
- return pickedEccInfo.getNumber();
+ }
+
+ @Nullable
+ private String pickEmergencyNumberForCategory(int category,
+ @NonNull List<EmergencyNumber> emergencyNumbers) {
+ for (EmergencyNumber number : emergencyNumbers) {
+ if ((number.getEmergencyServiceCategoryBitmask() & category) != 0) {
+ return number.getNumber();
+ }
}
return null;
}
- private @Nullable EccDisplayMaterial prepareDisplayMaterialForEccInfo(@NonNull Context context,
- @NonNull EccInfo eccInfo) {
+ @Nullable
+ private EccDisplayMaterial prepareEccMaterial(@NonNull Context context, @NonNull String number,
+ @NonNull List<Integer> categories) {
EccDisplayMaterial material = new EccDisplayMaterial();
- material.number = eccInfo.getNumber();
- EccInfo.Type[] types = eccInfo.getTypes();
- for (EccInfo.Type type : types) {
+ material.number = number;
+ for (int category : categories) {
CharSequence description;
- switch (type) {
- case POLICE:
+ switch (category) {
+ case EmergencyNumber.EMERGENCY_SERVICE_CATEGORY_POLICE:
description = mPoliceDescription;
material.iconRes = R.drawable.ic_local_police_gm2_24px;
break;
- case AMBULANCE:
+ case EmergencyNumber.EMERGENCY_SERVICE_CATEGORY_AMBULANCE:
description = mAmbulanceDescription;
material.iconRes = R.drawable.ic_local_hospital_gm2_24px;
break;
- case FIRE:
+ case EmergencyNumber.EMERGENCY_SERVICE_CATEGORY_FIRE_BRIGADE:
description = mFireDescription;
material.iconRes = R.drawable.ic_local_fire_department_gm2_24px;
break;
@@ -200,6 +173,7 @@
// ignore unknown types
continue;
}
+
if (TextUtils.isEmpty(material.description)) {
material.description = description;
} else {
@@ -209,10 +183,10 @@
material.description, description);
}
}
+
if (TextUtils.isEmpty(material.description) || material.iconRes == 0) {
return null;
}
return material;
}
-
}
diff --git a/src/com/android/phone/EmergencyDialer.java b/src/com/android/phone/EmergencyDialer.java
index c89ddc6..80b4632 100644
--- a/src/com/android/phone/EmergencyDialer.java
+++ b/src/com/android/phone/EmergencyDialer.java
@@ -83,9 +83,6 @@
import com.android.phone.common.dialpad.DialpadKeyButton;
import com.android.phone.common.util.ViewUtil;
import com.android.phone.common.widget.ResizingTextEditText;
-import com.android.phone.ecc.CountryEccInfo;
-import com.android.phone.ecc.EccInfoHelper;
-import com.android.phone.ecc.IsoToEccProtobufRepository;
import java.util.ArrayList;
import java.util.List;
@@ -235,7 +232,7 @@
private View mEmergencyShortcutView;
private View mDialpadView;
- private EccInfoHelper mEccInfoHelper;
+ private ShortcutViewUtils.PhoneInfo mPhoneInfo;
private List<EmergencyShortcutButton> mEmergencyShortcutButtonList;
private EccShortcutAdapter mShortcutAdapter;
@@ -363,14 +360,10 @@
configMgr.getConfigForSubId(SubscriptionManager.getDefaultVoiceSubscriptionId());
mIsShortcutViewEnabled = false;
+ mPhoneInfo = null;
if (canEnableShortcutView(carrierConfig)) {
- TelephonyManager tm = getSystemService(TelephonyManager.class);
- String countryIso = tm.getNetworkCountryIso();
- if (TextUtils.isEmpty(countryIso)) {
- Log.d(LOG_TAG, "Unable to determine the country of current network.");
- } else if (!EccInfoHelper.isCountryEccInfoAvailable(this, countryIso)) {
- Log.d(LOG_TAG, "ECC info is unavailable.");
- } else {
+ mPhoneInfo = ShortcutViewUtils.pickPreferredPhone(this);
+ if (mPhoneInfo != null) {
mIsShortcutViewEnabled = true;
}
}
@@ -469,7 +462,6 @@
mEmergencyInfoGroup = (EmergencyInfoGroup) findViewById(R.id.emergency_info_button);
if (mIsShortcutViewEnabled) {
- mEccInfoHelper = new EccInfoHelper(IsoToEccProtobufRepository.getInstance());
setupEmergencyShortcutsView();
}
}
@@ -611,11 +603,8 @@
if (!TextUtils.isEmpty(phoneNumber)) {
if (DBG) Log.d(LOG_TAG, "dial emergency number: " + Rlog.pii(LOG_TAG, phoneNumber));
- Bundle extras = new Bundle();
- extras.putInt(TelecomManager.EXTRA_CALL_SOURCE,
- ParcelableCallAnalytics.CALL_SOURCE_EMERGENCY_SHORTCUT);
- TelecomManager tm = (TelecomManager) getSystemService(TELECOM_SERVICE);
- tm.placeCall(Uri.fromParts(PhoneAccount.SCHEME_TEL, phoneNumber, null), extras);
+ placeCall(phoneNumber, ParcelableCallAnalytics.CALL_SOURCE_EMERGENCY_SHORTCUT,
+ mPhoneInfo);
} else {
Log.d(LOG_TAG, "emergency number is empty");
}
@@ -769,30 +758,9 @@
updateTheme(lockScreenColors.supportsDarkText());
}
- if (mIsShortcutViewEnabled && mEccInfoHelper != null) {
- final Context context = this;
- mEccInfoHelper.getCountryEccInfoAsync(context,
- new EccInfoHelper.CountryEccInfoResultCallback() {
- @Override
- public void onSuccess(String iso, CountryEccInfo countryEccInfo) {
- Log.d(LOG_TAG, "Retrieve ECC info success, country ISO: "
- + Rlog.pii(LOG_TAG, iso));
- updateLocationAndEccInfo(iso, countryEccInfo);
- }
-
- @Override
- public void onDetectCountryFailed() {
- Log.w(LOG_TAG, "Cannot detect current country.");
- updateLocationAndEccInfo(null, null);
- }
-
- @Override
- public void onRetrieveCountryEccInfoFailed(String iso) {
- Log.w(LOG_TAG, "Retrieve ECC info failed, country ISO: "
- + Rlog.pii(LOG_TAG, iso));
- updateLocationAndEccInfo(iso, null);
- }
- });
+ if (mIsShortcutViewEnabled) {
+ mPhoneInfo = ShortcutViewUtils.pickPreferredPhone(this);
+ updateLocationAndEccInfo();
}
}
@@ -897,7 +865,20 @@
// nothing and just returns input number.
mLastNumber = PhoneNumberUtils.convertToEmergencyNumber(this, mLastNumber);
- if (PhoneNumberUtils.isLocalEmergencyNumber(this, mLastNumber)) {
+ boolean isEmergencyNumber = false;
+ ShortcutViewUtils.PhoneInfo phoneToMakeCall = null;
+ if (mPhoneInfo != null) {
+ isEmergencyNumber = mPhoneInfo.hasPromotedEmergencyNumber(mLastNumber);
+ if (isEmergencyNumber) {
+ phoneToMakeCall = mPhoneInfo;
+ }
+ }
+ if (!isEmergencyNumber) {
+ TelephonyManager tm = getSystemService(TelephonyManager.class);
+ isEmergencyNumber = tm.isCurrentEmergencyNumber(mLastNumber);
+ }
+
+ if (isEmergencyNumber) {
if (DBG) Log.d(LOG_TAG, "placing call to " + mLastNumber);
// place the call if it is a valid number
@@ -910,11 +891,8 @@
mMetricsWriter.writeMetricsForMakingCall(MetricsWriter.CALL_SOURCE_DIALPAD,
MetricsWriter.PHONE_NUMBER_TYPE_EMERGENCY, isShortcutNumber(mLastNumber));
- Bundle extras = new Bundle();
- extras.putInt(TelecomManager.EXTRA_CALL_SOURCE,
- ParcelableCallAnalytics.CALL_SOURCE_EMERGENCY_DIALPAD);
- TelecomManager tm = (TelecomManager) getSystemService(TELECOM_SERVICE);
- tm.placeCall(Uri.fromParts(PhoneAccount.SCHEME_TEL, mLastNumber, null), extras);
+ placeCall(mLastNumber, ParcelableCallAnalytics.CALL_SOURCE_EMERGENCY_DIALPAD,
+ phoneToMakeCall);
} else {
if (DBG) Log.d(LOG_TAG, "rejecting bad requested number " + mLastNumber);
@@ -928,6 +906,20 @@
mDigits.getText().delete(0, mDigits.getText().length());
}
+ private void placeCall(String number, int callSource, ShortcutViewUtils.PhoneInfo phone) {
+ Bundle extras = new Bundle();
+ extras.putInt(TelecomManager.EXTRA_CALL_SOURCE, callSource);
+
+ if (phone != null && phone.getPhoneAccountHandle() != null) {
+ // Requests to dial through the specified phone.
+ extras.putParcelable(TelecomManager.EXTRA_PHONE_ACCOUNT_HANDLE,
+ phone.getPhoneAccountHandle());
+ }
+
+ TelecomManager tm = this.getSystemService(TelecomManager.class);
+ tm.placeCall(Uri.fromParts(PhoneAccount.SCHEME_TEL, number, null), extras);
+ }
+
/**
* Plays the specified tone for TONE_LENGTH_MS milliseconds.
*
@@ -1071,7 +1063,7 @@
AsyncTask<Void, Void, Boolean> showWfcWarningTask = new AsyncTask<Void, Void, Boolean>() {
@Override
protected Boolean doInBackground(Void... voids) {
- TelephonyManager tm = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);
+ TelephonyManager tm = getSystemService(TelephonyManager.class);
boolean isWfcAvailable = tm.isWifiCallingAvailable();
ServiceState ss = tm.getServiceState();
boolean isCellAvailable =
@@ -1143,14 +1135,15 @@
mEmergencyShortcutButtonList = new ArrayList<>();
setupEmergencyCallShortcutButton();
- updateLocationAndEccInfo(null, null);
+ updateLocationAndEccInfo();
switchView(mEmergencyShortcutView, mDialpadView, false);
}
- private void setLocationInfo(String countryIso) {
+ private void setLocationInfo() {
final View locationInfo = findViewById(R.id.location_info);
+ String countryIso = mPhoneInfo != null ? mPhoneInfo.getCountryIso() : null;
String countryName = null;
if (!TextUtils.isEmpty(countryIso)) {
Locale locale = Locale.getDefault();
@@ -1227,11 +1220,11 @@
mShortcutAdapter.registerDataSetObserver(mShortcutDataSetObserver);
}
- private void updateLocationAndEccInfo(String iso, CountryEccInfo countryEccInfo) {
+ private void updateLocationAndEccInfo() {
if (!isFinishing() && !isDestroyed()) {
- setLocationInfo(iso);
+ setLocationInfo();
if (mShortcutAdapter != null) {
- mShortcutAdapter.updateCountryEccInfo(this, countryEccInfo);
+ mShortcutAdapter.updateCountryEccInfo(this, mPhoneInfo);
}
}
}
diff --git a/src/com/android/phone/ecc/EccInfoHelper.java b/src/com/android/phone/ecc/EccInfoHelper.java
deleted file mode 100644
index c471c4b..0000000
--- a/src/com/android/phone/ecc/EccInfoHelper.java
+++ /dev/null
@@ -1,248 +0,0 @@
-/*
- * 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.phone.ecc;
-
-import android.content.Context;
-import android.os.AsyncTask;
-import android.provider.Settings;
-import android.telephony.CellIdentityGsm;
-import android.telephony.CellIdentityLte;
-import android.telephony.CellIdentityWcdma;
-import android.telephony.CellInfo;
-import android.telephony.CellInfoGsm;
-import android.telephony.CellInfoLte;
-import android.telephony.CellInfoWcdma;
-import android.telephony.PhoneNumberUtils;
-import android.telephony.Rlog;
-import android.telephony.TelephonyManager;
-import android.text.TextUtils;
-import android.util.Log;
-import android.util.Pair;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import com.android.internal.telephony.MccTable;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * Helper for retrieve ECC info for current country.
- */
-public class EccInfoHelper {
- // Debug constants.
- private static final boolean DBG = false;
- private static final String LOG_TAG = "EccInfoHelper";
-
- /**
- * Check if current CountryEccInfo is available for current environment.
- */
- public static boolean isCountryEccInfoAvailable(Context context, String countryIso) {
- CountryEccInfo countryEccInfo;
- try {
- countryEccInfo = IsoToEccProtobufRepository.getInstance()
- .getCountryEccInfo(context, countryIso);
- } catch (IOException e) {
- Log.e(LOG_TAG, "Failed to retrieve ECC: ", e);
- return false;
- }
-
- if (countryEccInfo == null) {
- return false;
- }
- for (EccInfo entry : countryEccInfo.getEccInfoList()) {
- if (!PhoneNumberUtils.isEmergencyNumber(entry.getNumber())) {
- // The CountryEccInfo is unavailable if any ecc number in the local table was
- // declined.
- return false;
- }
- }
- return true;
- }
-
- // country ISO to ECC list data source
- private IsoToEccRepository mEccRepo;
-
- /**
- * Callback for {@link #getCountryEccInfoAsync}.
- */
- public interface CountryEccInfoResultCallback {
- /**
- * Called if successfully get country ECC info.
- *
- * @param iso Detected current country ISO.
- * @param countryEccInfo The EccInfo of current country.
- */
- void onSuccess(@NonNull String iso, @NonNull CountryEccInfo countryEccInfo);
-
- /**
- * Called if failed to get country ISO.
- */
- void onDetectCountryFailed();
-
- /**
- * Called if failed to get ECC info for given country ISO.
- *
- * @param iso Detected current country ISO.
- */
- void onRetrieveCountryEccInfoFailed(@NonNull String iso);
- }
-
- /**
- * Constructor of EccInfoHelper
- *
- * @param eccRepository A repository for ECC info, indexed by country ISO.
- */
- public EccInfoHelper(@NonNull IsoToEccRepository eccRepository) {
- mEccRepo = eccRepository;
- }
-
- /**
- * Get ECC info for current location, base on detected country ISO.
- * It's possible we cannot detect current country, ex. device is in airplane mode,
- * or there's no available base station near by.
- *
- * @param context The context used to access resources.
- * @param callback Callback for result.
- */
- public void getCountryEccInfoAsync(final @NonNull Context context,
- final CountryEccInfoResultCallback callback) {
- new AsyncTask<Void, Void, Pair<String, CountryEccInfo>>() {
- @Override
- protected Pair<String, CountryEccInfo> doInBackground(Void... voids) {
- String iso = getCurrentCountryIso(context);
- if (TextUtils.isEmpty(iso)) {
- return null;
- }
-
- CountryEccInfo dialableCountryEccInfo;
- try {
- // access data source in background thread to avoid possible file IO caused ANR.
- CountryEccInfo rawEccInfo = mEccRepo.getCountryEccInfo(context, iso);
- dialableCountryEccInfo = getDialableCountryEccInfo(rawEccInfo);
- } catch (IOException e) {
- Log.e(LOG_TAG, "Failed to retrieve ECC: " + e.getMessage());
- dialableCountryEccInfo = null;
- }
- return new Pair<>(iso, dialableCountryEccInfo);
- }
-
- @Override
- protected void onPostExecute(Pair<String, CountryEccInfo> result) {
- if (callback != null) {
- if (result == null) {
- callback.onDetectCountryFailed();
- } else {
- String iso = result.first;
- CountryEccInfo countryEccInfo = result.second;
- if (countryEccInfo == null) {
- callback.onRetrieveCountryEccInfoFailed(iso);
- } else {
- callback.onSuccess(iso, countryEccInfo);
- }
- }
- }
- }
- }.execute();
- }
-
- @NonNull
- private CountryEccInfo getDialableCountryEccInfo(CountryEccInfo countryEccInfo) {
- ArrayList<EccInfo> dialableECCList = new ArrayList<>();
- String dialableFallback = null;
-
- // filter out non-dialable ECC
- if (countryEccInfo != null) {
- for (EccInfo entry : countryEccInfo.getEccInfoList()) {
- if (PhoneNumberUtils.isEmergencyNumber(entry.getNumber())) {
- dialableECCList.add(entry);
- }
- }
- String defaultFallback = countryEccInfo.getFallbackEcc();
- if (PhoneNumberUtils.isEmergencyNumber(defaultFallback)) {
- dialableFallback = defaultFallback;
- }
- }
- return new CountryEccInfo(dialableFallback, dialableECCList);
- }
-
- @Nullable
- private String getCurrentCountryIso(@NonNull Context context) {
- // Do not detect country ISO if airplane mode is on
- int airplaneMode = Settings.System.getInt(context.getContentResolver(),
- Settings.Global.AIRPLANE_MODE_ON, 0);
- if (airplaneMode != 0) {
- Log.d(LOG_TAG, "Airplane mode is on, do not get country ISO.");
- return null;
- }
-
- TelephonyManager tm = (TelephonyManager) context.getSystemService(
- Context.TELEPHONY_SERVICE);
- String iso = tm.getNetworkCountryIso();
- if (DBG) Log.d(LOG_TAG, "Current country ISO is " + Rlog.pii(LOG_TAG, iso));
-
- if (TextUtils.isEmpty(iso)) {
- // XXX: according to ServiceStateTracker's implementation, retrieve cell info in a
- // thread other than TelephonyManager's main thread.
- String mcc = getCurrentMccFromCellInfo(context);
- iso = MccTable.countryCodeForMcc(mcc);
- if (DBG) {
- Log.d(LOG_TAG, "Current mcc is " + Rlog.pii(LOG_TAG, mcc) + ", mapping to ISO: "
- + Rlog.pii(LOG_TAG, iso));
- }
- }
- return iso;
- }
-
- // XXX: According to ServiceStateTracker implementation, to actually get current cell info,
- // this method must be called in a separate thread from ServiceStateTracker, which is the
- // main thread of Telephony service.
- @Nullable
- private String getCurrentMccFromCellInfo(@NonNull Context context) {
- // retrieve mcc info from base station even no SIM present.
- TelephonyManager tm = (TelephonyManager) context.getSystemService(
- Context.TELEPHONY_SERVICE);
- List<CellInfo> cellInfos = tm.getAllCellInfo();
- String mcc = null;
- if (cellInfos != null) {
- for (CellInfo ci : cellInfos) {
- if (ci instanceof CellInfoGsm) {
- CellInfoGsm cellInfoGsm = (CellInfoGsm) ci;
- CellIdentityGsm cellIdentityGsm = cellInfoGsm.getCellIdentity();
- mcc = cellIdentityGsm.getMccString();
- break;
- } else if (ci instanceof CellInfoWcdma) {
- CellInfoWcdma cellInfoWcdma = (CellInfoWcdma) ci;
- CellIdentityWcdma cellIdentityWcdma = cellInfoWcdma.getCellIdentity();
- mcc = cellIdentityWcdma.getMccString();
- break;
- } else if (ci instanceof CellInfoLte) {
- CellInfoLte cellInfoLte = (CellInfoLte) ci;
- CellIdentityLte cellIdentityLte = cellInfoLte.getCellIdentity();
- mcc = cellIdentityLte.getMccString();
- break;
- }
- }
- if (DBG) Log.d(LOG_TAG, "Retrieve MCC from cell info list: " + Rlog.pii(LOG_TAG, mcc));
- } else {
- Log.w(LOG_TAG, "Cannot get cell info list.");
- }
- return mcc;
- }
-}