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package com.android.settings.utils;
import android.content.Context;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.os.PersistableBundle;
import android.telephony.CarrierConfigManager;
import android.telephony.TelephonyManager;
import android.text.TextUtils;
import android.util.Log;
import com.android.internal.telephony.PhoneConstants;
import com.android.internal.telephony.RILConstants;
/**
* Helper class which has the same logic as MobileNetworkSettings to display the same
* network modes and strings as it does.
*/
public class TelephonyUtils {
private static final String TAG = TelephonyUtils.class.getSimpleName();
// from MobileNetworkSettings
public static final String ACTION_PICK_NETWORK_MODE =
"cyanogenmod.platform.intent.action.NETWORK_MODE_PICKER";
public static final String EXTRA_NONE_TEXT = "network_mode_picker::neutral_text";
public static final String EXTRA_SHOW_NONE = "network_mode_picker::show_none";
public static final String EXTRA_INITIAL_NETWORK_VALUE = "network_mode_picker::selected_mode";
public static final String EXTRA_NETWORK_PICKER_PICKED_VALUE =
"network_mode_picker::chosen_value";
public static final String EXTRA_SUBID = "network_mode_picker::sub_id";
public static String getNetworkModeString(Context context, int networkMode, int subId) {
return getNetworkModeString(context,
networkMode,
TelephonyManager.from(context).getCurrentPhoneType(subId) /* phone type */,
show4GForLTE(context)/* show 4G for lte */,
isSupportTdscdma(context, subId)/* supports TDS CDMA*/,
isGlobalCDMA(context, subId, isLteOnCdma(context, subId))/* is Global cdma */,
isWorldMode(context)/* is worldwide */);
}
public static String getNetworkModeString(Context context, int networkMode,
int phoneType, boolean show4GForLTE, boolean isSupportTdsCdma, boolean isGlobalCdma,
boolean isWorldMode) {
String r = null;
switch (networkMode) {
case RILConstants.NETWORK_MODE_TDSCDMA_WCDMA:
case RILConstants.NETWORK_MODE_TDSCDMA_GSM_WCDMA:
case RILConstants.NETWORK_MODE_TDSCDMA_GSM:
r = "network_3G";
break;
case RILConstants.NETWORK_MODE_WCDMA_ONLY:
r = "network_wcdma_only";
break;
case RILConstants.NETWORK_MODE_GSM_UMTS:
r = "network_gsm_umts";
break;
case RILConstants.NETWORK_MODE_WCDMA_PREF:
r = "network_wcdma_pref";
break;
case RILConstants.NETWORK_MODE_GSM_ONLY:
r = "network_gsm_only";
break;
case RILConstants.NETWORK_MODE_LTE_GSM_WCDMA:
r = (show4GForLTE)
? "network_4G" : "network_lte_gsm_wcdma";
break;
case RILConstants.NETWORK_MODE_LTE_WCDMA:
r = (show4GForLTE)
? "network_4G" : "network_lte_cdma";
break;
case RILConstants.NETWORK_MODE_LTE_ONLY:
r = (show4GForLTE)
? "network_4G_only" : "network_lte_only";
break;
case RILConstants.NETWORK_MODE_LTE_CDMA_EVDO:
r = (show4GForLTE)
? "network_4G" : "network_lte_cdma_and_evdo";
break;
case RILConstants.NETWORK_MODE_TDSCDMA_CDMA_EVDO_GSM_WCDMA:
r = "network_3G";
break;
case RILConstants.NETWORK_MODE_CDMA:
r = "network_cdma";
break;
case RILConstants.NETWORK_MODE_EVDO_NO_CDMA:
r = "network_evdo_no_cdma";
break;
case RILConstants.NETWORK_MODE_GLOBAL:
r = "network_3g_global";
break;
case RILConstants.NETWORK_MODE_CDMA_NO_EVDO:
r = "network_cdma_no_evdo";
break;
case RILConstants.NETWORK_MODE_TDSCDMA_ONLY:
r = "network_tdscdma";
break;
case RILConstants.NETWORK_MODE_LTE_TDSCDMA_GSM:
case RILConstants.NETWORK_MODE_LTE_TDSCDMA_GSM_WCDMA:
case RILConstants.NETWORK_MODE_LTE_TDSCDMA:
case RILConstants.NETWORK_MODE_LTE_TDSCDMA_WCDMA:
case RILConstants.NETWORK_MODE_LTE_TDSCDMA_CDMA_EVDO_GSM_WCDMA:
case RILConstants.NETWORK_MODE_LTE_CDMA_EVDO_GSM_WCDMA:
if (isSupportTdsCdma) {
r = "network_lte";
} else {
if (phoneType == RILConstants.CDMA_PHONE || isGlobalCdma || isWorldMode) {
r = "network_global";
} else {
r = (show4GForLTE)
? "network_4G" : "network_lte";
}
}
break;
default:
Log.w(TAG, "unknown phone mode: " + networkMode);
}
if (r != null) {
// grab the phone resources
final Resources phoneResources = getPhoneResources(context);
if (phoneResources != null) {
int id = phoneResources.getIdentifier(r, "string", "com.android.phone");
if (id > 0) {
return phoneResources.getString(id);
} else {
Log.w(TAG, "couldn't find resource id with name: " + r);
}
}
}
return null;
}
private static boolean isSupportTdscdma(Context context, int subId) {
final Resources phoneResources = getPhoneResources(context);
if (phoneResources != null) {
int id = phoneResources.getIdentifier("config_support_tdscdma",
"bool", "com.android.phone");
if (phoneResources.getBoolean(id)) {
return true;
}
final String operatorNumeric = TelephonyManager.from(context)
.getSimOperatorNumericForSubscription(subId);
int tdcdmaArrId = phoneResources.getIdentifier("config_support_tdscdma_roaming_on_networks",
"string-array", "com.android.phone");
if (tdcdmaArrId > 0) {
String[] numericArray = phoneResources.getStringArray(tdcdmaArrId);
if (numericArray.length == 0 || operatorNumeric == null) {
return false;
}
for (String numeric : numericArray) {
if (operatorNumeric.equals(numeric)) {
return true;
}
}
}
}
return false;
}
private static boolean show4GForLTE(Context context) {
try {
Context con = context.createPackageContext("com.android.systemui", 0);
int id = con.getResources().getIdentifier("config_show4GForLTE",
"bool", "com.android.systemui");
return con.getResources().getBoolean(id);
} catch (PackageManager.NameNotFoundException e) {
return false;
}
}
private static boolean isGlobalCDMA(Context context, int subId, boolean isLteOnCdma) {
final CarrierConfigManager carrierConfigMan = (CarrierConfigManager)
context.getSystemService(Context.CARRIER_CONFIG_SERVICE);
final PersistableBundle carrierConfig = carrierConfigMan.getConfigForSubId(subId);
return isLteOnCdma
&& carrierConfig.getBoolean(CarrierConfigManager.KEY_SHOW_CDMA_CHOICES_BOOL);
}
private static boolean isLteOnCdma(Context context, int subId) {
return TelephonyManager.from(context).getLteOnCdmaMode(subId)
== PhoneConstants.LTE_ON_CDMA_TRUE;
}
private static boolean isWorldMode(Context context) {
boolean worldModeOn = false;
final TelephonyManager tm = (TelephonyManager)
context.getSystemService(Context.TELEPHONY_SERVICE);
Resources phoneResources = getPhoneResources(context);
if (phoneResources != null) {
int id = phoneResources.getIdentifier("config_world_mode",
"string", "com.android.phone");
if (id > 0) {
final String configString = phoneResources.getString(id);
if (!TextUtils.isEmpty(configString)) {
String[] configArray = configString.split(";");
// Check if we have World mode configuration set to True only or config is set to True
// and SIM GID value is also set and matches to the current SIM GID.
if (configArray != null &&
((configArray.length == 1 && configArray[0].equalsIgnoreCase("true")) ||
(configArray.length == 2 && !TextUtils.isEmpty(configArray[1]) &&
tm != null && configArray[1].equalsIgnoreCase(tm.getGroupIdLevel1())))) {
worldModeOn = true;
}
}
} else {
Log.w(TAG, "couldn't find resource of config_world_mode");
}
}
return worldModeOn;
}
private static Resources getPhoneResources(Context context) {
try {
final Context packageContext = context.createPackageContext("com.android.phone", 0);
return packageContext.getResources();
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
Log.w(TAG, "couldn't locate resources for com.android.phone!");
return null;
}
}
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