[SOLUTION]

/frameworks/base/telephony/java/com/android/internal/telephony/CallerInfoAsyncQuery.java

protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
Rlog.d(LOG_TAG, "##### onQueryComplete() ##### query complete for token: " + token);
.......
if (ENABLE_UNKNOWN_NUMBER_GEO_DESCRIPTION) {
if (TextUtils.isEmpty(mCallerInfo.name) ||
(SystemProperties.get("ro.mtk_phone_number_geo").equals("1"))) {
mCallerInfo.updateGeoDescription(mContext, cw.number);
}
}
......
}

/frameworks/base/telephony/java/com/android/internal/telephony/CallerInfo.java
public void updateGeoDescription(Context context, String fallbackNumber) {
String number = TextUtils.isEmpty(phoneNumber) ? fallbackNumber : phoneNumber;
geoDescription = getGeoDescription(context, number);
}

//在下面的函数中对传人的number的这个号码做相应的客制化。
private static String getGeoDescription(Context context, String number) {
if (VDBG) Rlog.v(TAG, "getGeoDescription('" + number + "')...");

if (TextUtils.isEmpty(number)) {
return null;
}

/// M: CC: Query city name via GeoCodingQuery @{
// [ALPS00286530]Query Geocoding description
if (SystemProperties.get("ro.mtk_phone_number_geo").equals("1")) {
GeoCodingQuery geoCodingQuery = GeoCodingQuery.getInstance(context);
String cityName = geoCodingQuery.queryByNumber(number);
Rlog.v(TAG, "[GeoCodingQuery] cityName = " + cityName);
if ((cityName != null) && (!cityName.equals(""))) {
return cityName;
}
}
/// @}

PhoneNumberUtil util = PhoneNumberUtil.getInstance();
PhoneNumberOfflineGeocoder geocoder = PhoneNumberOfflineGeocoder.getInstance();

Locale locale = context.getResources().getConfiguration().locale;
String countryIso = getCurrentCountryIso(context, locale);
PhoneNumber pn = null;
try {
if (VDBG) Rlog.v(TAG, "parsing '" + number
+ "' for countryIso '" + countryIso + "'...");
pn = util.parse(number, countryIso);
if (VDBG) Rlog.v(TAG, "- parsed number: " + pn);
} catch (NumberParseException e) {
Rlog.d(TAG, "getGeoDescription: NumberParseException for incoming number '"
+ number + "'");
}

if (pn != null) {
String description = geocoder.getDescriptionForNumber(pn, locale);
if (VDBG) Rlog.v(TAG, "- got description: '" + description + "'");
return description;
} else {
return null;
}
}