Add configurable emergency call number support (63698895) · Commits · e / os / android_frameworks_base

core/res/res/values/config.xml

+8 −0

Original line number	Diff line number	Diff line
		@@ -2595,4 +2595,12 @@
		<!-- Verizon requires any SMS that starts with //VZWVVM to be treated as a VVM SMS-->
		<item>310004,310010,310012,310013,310590,310890,310910,311110,311270,311271,311272,311273,311274,311275,311276,311277,311278,311279,311280,311281,311282,311283,311284,311285,311286,311287,311288,311289,311390,311480,311481,311482,311483,311484,311485,311486,311487,311488,311489;^//VZWVVM.*</item>
		</string-array>
		<!-- This config is holding calling number conversion map - expected to convert to emergency
		number. Formats for this config as below:
		<item>[dialstring1],[dialstring2],[dialstring3]:[replacement]</item>

		E.g. for Taiwan Type Approval, 110 and 119 should be converted to 112.
		<item>110,119:112</item>
		-->
		<string-array translatable="false" name="config_convert_to_emergency_number_map" />
		</resources>

core/res/res/values/symbols.xml

+1 −0

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		@@ -2708,4 +2708,5 @@

		<java-symbol type="drawable" name="ic_restart" />

		<java-symbol type="array" name="config_convert_to_emergency_number_map" />
		</resources>

telephony/java/android/telephony/PhoneNumberUtils.java

+76 −0

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		@@ -24,6 +24,7 @@ import com.android.i18n.phonenumbers.ShortNumberUtil;

		import android.content.Context;
		import android.content.Intent;
		import android.content.res.Resources;
		import android.database.Cursor;
		import android.location.CountryDetector;
		import android.net.Uri;
		@@ -3021,4 +3022,79 @@ public class PhoneNumberUtils
		return SubscriptionManager.getDefaultVoiceSubscriptionId();
		}
		//==== End of utility methods used only in compareStrictly() =====


		/*
		* The config held calling number conversion map, expected to convert to emergency number.
		*/
		private static final String[] CONVERT_TO_EMERGENCY_MAP = Resources.getSystem().getStringArray(
		com.android.internal.R.array.config_convert_to_emergency_number_map);
		/**
		* Check whether conversion to emergency number is enabled
		*
		* @return {@code true} when conversion to emergency numbers is enabled,
		* {@code false} otherwise
		*
		* @hide
		*/
		public static boolean isConvertToEmergencyNumberEnabled() {
		return CONVERT_TO_EMERGENCY_MAP != null && CONVERT_TO_EMERGENCY_MAP.length > 0;
		}

		/**
		* Converts to emergency number based on the conversion map.
		* The conversion map is declared as config_convert_to_emergency_number_map.
		*
		* Make sure {@link #isConvertToEmergencyNumberEnabled} is true before calling
		* this function.
		*
		* @return The converted emergency number if the number matches conversion map,
		* otherwise original number.
		*
		* @hide
		*/
		public static String convertToEmergencyNumber(String number) {
		if (TextUtils.isEmpty(number)) {
		return number;
		}

		String normalizedNumber = normalizeNumber(number);

		// The number is already emergency number. Skip conversion.
		if (isEmergencyNumber(normalizedNumber)) {
		return number;
		}

		for (String convertMap : CONVERT_TO_EMERGENCY_MAP) {
		if (DBG) log("convertToEmergencyNumber: " + convertMap);
		String[] entry = null;
		String[] filterNumbers = null;
		String convertedNumber = null;
		if (!TextUtils.isEmpty(convertMap)) {
		entry = convertMap.split(":");
		}
		if (entry != null && entry.length == 2) {
		convertedNumber = entry[1];
		if (!TextUtils.isEmpty(entry[0])) {
		filterNumbers = entry[0].split(",");
		}
		}
		// Skip if the format of entry is invalid
		if (TextUtils.isEmpty(convertedNumber) \|\| filterNumbers == null
		\|\| filterNumbers.length == 0) {
		continue;
		}

		for (String filterNumber : filterNumbers) {
		if (DBG) log("convertToEmergencyNumber: filterNumber = " + filterNumber
		+ ", convertedNumber = " + convertedNumber);
		if (!TextUtils.isEmpty(filterNumber) && filterNumber.equals(normalizedNumber)) {
		if (DBG) log("convertToEmergencyNumber: Matched. Successfully converted to: "
		+ convertedNumber);
		return convertedNumber;
		}
		}
		}
		return number;
		}
		}