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Commit e3070ede authored by Jack Yu's avatar Jack Yu
Browse files

Added ETWS primary message default message support 

ETWS primary message does not contain messagy body. We used
to use hardcoded "ETWS" as the body, which is not easy for
end users to understand what happened. Added the built-in
default messages provided by Japanese government guideline
for earthquake, Tsunami, test, and other channels support to
enhance the user experience.

Test: manual
bug: 33595007
Change-Id: I53659298d8ce3b3ba5c751c14c1b36e76d6dc562
parent d5da694f

core/res/res/values/strings.xml

+15 −1
Original line number Diff line number Diff line
@@ -4588,4 +4588,18 @@ 
    <!-- Label for the type of data being saved for autofill when it represents a credit card [CHAR LIMIT=NONE] -->

    <string name="autofill_save_type_credit_card">credit card</string>



    <!-- Primary ETWS (Earthquake and Tsunami Warning System) default message for earthquake -->

    <string name="etws_primary_default_message_earthquake">Stay calm and seek shelter nearby.</string>



    <!-- Primary ETWS (Earthquake and Tsunami Warning System) default message for Tsunami -->

    <string name="etws_primary_default_message_tsunami">Evacuate immediately from coastal regions and riverside areas to a safer place such as high ground.</string>



    <!-- Primary ETWS (Earthquake and Tsunami Warning System) default message for earthquake and Tsunami -->

    <string name="etws_primary_default_message_earthquake_and_tsunami">Stay calm and seek shelter nearby.</string>



    <!-- Primary ETWS (Earthquake and Tsunami Warning System) default message for test -->

    <string name="etws_primary_default_message_test">Emergency messages test</string>



    <!-- Primary ETWS (Earthquake and Tsunami Warning System) default message for others -->

    <string name="etws_primary_default_message_others"></string>

</resources>

core/res/res/values/symbols.xml

+10 −0
Original line number Diff line number Diff line
@@ -2919,4 +2919,14 @@ 
  <java-symbol type="string" name="notification_channel_retail_mode" />

  <java-symbol type="string" name="notification_channel_usb" />



  <!-- ETWS primary messages -->

  <java-symbol type="string" name="etws_primary_default_message_earthquake" />



  <java-symbol type="string" name="etws_primary_default_message_tsunami" />



  <java-symbol type="string" name="etws_primary_default_message_earthquake_and_tsunami" />



  <java-symbol type="string" name="etws_primary_default_message_test" />



  <java-symbol type="string" name="etws_primary_default_message_others" />

</resources>

telephony/java/com/android/internal/telephony/gsm/GsmSmsCbMessage.java

+44 −22
Original line number Diff line number Diff line
@@ -16,10 +16,19 @@ 


package com.android.internal.telephony.gsm;



import static android.telephony.SmsCbEtwsInfo.ETWS_WARNING_TYPE_EARTHQUAKE;

import static android.telephony.SmsCbEtwsInfo.ETWS_WARNING_TYPE_EARTHQUAKE_AND_TSUNAMI;

import static android.telephony.SmsCbEtwsInfo.ETWS_WARNING_TYPE_OTHER_EMERGENCY;

import static android.telephony.SmsCbEtwsInfo.ETWS_WARNING_TYPE_TEST_MESSAGE;

import static android.telephony.SmsCbEtwsInfo.ETWS_WARNING_TYPE_TSUNAMI;



import android.content.Context;

import android.content.res.Resources;

import android.telephony.SmsCbLocation;

import android.telephony.SmsCbMessage;

import android.util.Pair;



import com.android.internal.R;

import com.android.internal.telephony.GsmAlphabet;

import com.android.internal.telephony.SmsConstants;
@@ -54,24 +63,50 @@ public class GsmSmsCbMessage { 
    /** Utility class with only static methods. */

    private GsmSmsCbMessage() { }



    /**

     * Get built-in ETWS primary messages by category. ETWS primary message does not contain text,

     * so we have to show the pre-built messages to the user.

     *

     * @param context Device context

     * @param category ETWS message category defined in SmsCbConstants

     * @return ETWS text message in string. Return an empty string if no match.

     */

    private static String getEtwsPrimaryMessage(Context context, int category) {

        final Resources r = context.getResources();

        switch (category) {

            case ETWS_WARNING_TYPE_EARTHQUAKE:

                return r.getString(R.string.etws_primary_default_message_earthquake);

            case ETWS_WARNING_TYPE_TSUNAMI:

                return r.getString(R.string.etws_primary_default_message_tsunami);

            case ETWS_WARNING_TYPE_EARTHQUAKE_AND_TSUNAMI:

                return r.getString(R.string.etws_primary_default_message_earthquake_and_tsunami);

            case ETWS_WARNING_TYPE_TEST_MESSAGE:

                return r.getString(R.string.etws_primary_default_message_test);

            case ETWS_WARNING_TYPE_OTHER_EMERGENCY:

                return r.getString(R.string.etws_primary_default_message_others);

            default:

                return "";

        }

    }



    /**

     * Create a new SmsCbMessage object from a header object plus one or more received PDUs.

     *

     * @param pdus PDU bytes

     */

    public static SmsCbMessage createSmsCbMessage(SmsCbHeader header, SmsCbLocation location,

            byte[][] pdus) throws IllegalArgumentException {

    public static SmsCbMessage createSmsCbMessage(Context context, SmsCbHeader header,

                                                  SmsCbLocation location, byte[][] pdus)

            throws IllegalArgumentException {

        if (header.isEtwsPrimaryNotification()) {

            // ETSI TS 23.041 ETWS Primary Notification message

            // ETWS primary message only contains 4 fields including serial number,

            // message identifier, warning type, and warning security information.

            // There is no field for the content/text. We hardcode "ETWS" in the

            // text body so the user won't see an empty dialog without any text.

            return new SmsCbMessage(SmsCbMessage.MESSAGE_FORMAT_3GPP,

                    header.getGeographicalScope(), header.getSerialNumber(),

                    location, header.getServiceCategory(),

                    null, "ETWS", SmsCbMessage.MESSAGE_PRIORITY_EMERGENCY,

                    header.getEtwsInfo(), header.getCmasInfo());

            // There is no field for the content/text so we get the text from the resources.

            return new SmsCbMessage(SmsCbMessage.MESSAGE_FORMAT_3GPP, header.getGeographicalScope(),

                    header.getSerialNumber(), location, header.getServiceCategory(), null,

                    getEtwsPrimaryMessage(context, header.getEtwsInfo().getWarningType()),

                    SmsCbMessage.MESSAGE_PRIORITY_EMERGENCY, header.getEtwsInfo(),

                    header.getCmasInfo());

        } else {

            String language = null;

            StringBuilder sb = new StringBuilder();
@@ -90,19 +125,6 @@ public class GsmSmsCbMessage { 
        }

    }



    /**

     * Create a new SmsCbMessage object from one or more received PDUs. This is used by some

     * CellBroadcastReceiver test cases, because SmsCbHeader is now package local.

     *

     * @param location the location (geographical scope) for the message

     * @param pdus PDU bytes

     */

    public static SmsCbMessage createSmsCbMessage(SmsCbLocation location, byte[][] pdus)

            throws IllegalArgumentException {

        SmsCbHeader header = new SmsCbHeader(pdus[0]);

        return createSmsCbMessage(header, location, pdus);

    }



    /**

     * Parse and unpack the body text according to the encoding in the DCS.

     * After completing successfully this method will have assigned the body