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Commit e6f0e855 authored by Shuo Qian's avatar Shuo Qian
Browse files

Listeners of active emergency numbers 

1) Introduce a new signature-level system permission allowing system apps to listen the
 active emergency number, placed by calls or texts.

2) Add PhoneStateListener API surface to provide a mechanism to listen the
outgoing call emergency number or outgoing sms emergency number.

Bug: 135204580
Test: atest
Change-Id: I6e6bce6d4b97d492ca20302002911f9daa20767e
Merged-In: I6e6bce6d4b97d492ca20302002911f9daa20767e
(cherry picked from commit 7a1eb6d5)
parent cbc3d5d0

api/system-current.txt

+3 −0
Original line number Diff line number Diff line
@@ -139,6 +139,7 @@ package android { 
    field public static final String PROVIDE_RESOLVER_RANKER_SERVICE = "android.permission.PROVIDE_RESOLVER_RANKER_SERVICE";

    field public static final String PROVIDE_TRUST_AGENT = "android.permission.PROVIDE_TRUST_AGENT";

    field public static final String QUERY_TIME_ZONE_RULES = "android.permission.QUERY_TIME_ZONE_RULES";

    field public static final String READ_ACTIVE_EMERGENCY_SESSION = "android.permission.READ_ACTIVE_EMERGENCY_SESSION";

    field public static final String READ_CELL_BROADCASTS = "android.permission.READ_CELL_BROADCASTS";

    field public static final String READ_CONTENT_RATING_SYSTEMS = "android.permission.READ_CONTENT_RATING_SYSTEMS";

    field public static final String READ_DEVICE_CONFIG = "android.permission.READ_DEVICE_CONFIG";
@@ -7758,6 +7759,8 @@ package android.telephony { 
    field public static final int LISTEN_CALL_ATTRIBUTES_CHANGED = 67108864; // 0x4000000

    field @RequiresPermission("android.permission.READ_PRECISE_PHONE_STATE") public static final int LISTEN_CALL_DISCONNECT_CAUSES = 33554432; // 0x2000000

    field @RequiresPermission("android.permission.READ_PRECISE_PHONE_STATE") public static final int LISTEN_IMS_CALL_DISCONNECT_CAUSES = 134217728; // 0x8000000

    field @RequiresPermission(android.Manifest.permission.READ_ACTIVE_EMERGENCY_SESSION) public static final int LISTEN_OUTGOING_CALL_EMERGENCY_NUMBER = 268435456; // 0x10000000

    field @RequiresPermission(android.Manifest.permission.READ_ACTIVE_EMERGENCY_SESSION) public static final int LISTEN_OUTGOING_SMS_EMERGENCY_NUMBER = 536870912; // 0x20000000

    field @RequiresPermission("android.permission.READ_PRECISE_PHONE_STATE") public static final int LISTEN_PRECISE_CALL_STATE = 2048; // 0x800

    field @RequiresPermission("android.permission.READ_PRECISE_PHONE_STATE") public static final int LISTEN_PRECISE_DATA_CONNECTION_STATE = 4096; // 0x1000

    field public static final int LISTEN_RADIO_POWER_STATE_CHANGED = 8388608; // 0x800000

core/res/AndroidManifest.xml

+6 −0
Original line number Diff line number Diff line
@@ -1968,6 +1968,12 @@ 
    <permission android:name="android.permission.READ_PRIVILEGED_PHONE_STATE"

        android:protectionLevel="signature|privileged" />



    <!-- @SystemApi Allows read access to emergency number information for ongoing calls or SMS

         sessions.

         @hide Used internally. -->

    <permission android:name="android.permission.READ_ACTIVE_EMERGENCY_SESSION"

        android:protectionLevel="signature" />



    <!-- @SystemApi Protects the ability to register any PhoneAccount with

         PhoneAccount#CAPABILITY_SIM_SUBSCRIPTION. This capability indicates that the PhoneAccount

         corresponds to a device SIM.

telephony/java/android/telephony/PhoneStateListener.java

+65 −3
Original line number Diff line number Diff line
@@ -33,13 +33,13 @@ import android.telephony.ims.ImsReasonInfo; 
import com.android.internal.annotations.VisibleForTesting;

import com.android.internal.telephony.IPhoneStateListener;



import dalvik.system.VMRuntime;



import java.lang.ref.WeakReference;

import java.util.List;

import java.util.Map;

import java.util.concurrent.Executor;



import dalvik.system.VMRuntime;



/**

 * A listener class for monitoring changes in specific telephony states

 * on the device, including service state, signal strength, message
@@ -362,6 +362,30 @@ public class PhoneStateListener { 
    @SystemApi

    public static final int LISTEN_IMS_CALL_DISCONNECT_CAUSES              = 0x08000000;



    /**

     * Listen for the emergency number placed from an outgoing call.

     *

     * <p>Requires permission {@link android.Manifest.permission#READ_ACTIVE_EMERGENCY_SESSION}

     *

     * @see #onOutgoingEmergencyCall

     * @hide

     */

    @SystemApi

    @RequiresPermission(Manifest.permission.READ_ACTIVE_EMERGENCY_SESSION)

    public static final int LISTEN_OUTGOING_CALL_EMERGENCY_NUMBER           = 0x10000000;



    /**

     * Listen for the emergency number placed from an outgoing SMS.

     *

     * <p>Requires permission {@link android.Manifest.permission#READ_ACTIVE_EMERGENCY_SESSION}

     *

     * @see #onOutgoingEmergencySms

     * @hide

     */

    @SystemApi

    @RequiresPermission(Manifest.permission.READ_ACTIVE_EMERGENCY_SESSION)

    public static final int LISTEN_OUTGOING_SMS_EMERGENCY_NUMBER            = 0x20000000;



    /*

     * Subscription used to listen to the phone state changes

     * @hide
@@ -843,6 +867,27 @@ public class PhoneStateListener { 
        // default implementation empty

    }



    /**

     * Callback invoked when an outgoing call is placed to an emergency number.

     *

     * @param placedEmergencyNumber the emergency number {@link EmergencyNumber} the call is placed

     *                              to.

     * @hide

     */

    public void onOutgoingEmergencyCall(@NonNull EmergencyNumber placedEmergencyNumber) {

        // default implementation empty

    }



    /**

     * Callback invoked when an outgoing SMS is placed to an emergency number.

     *

     * @param sentEmergencyNumber the emergency number {@link EmergencyNumber} the SMS is sent to.

     * @hide

     */

    public void onOutgoingEmergencySms(@NonNull EmergencyNumber sentEmergencyNumber) {

        // default implementation empty

    }



    /**

     * Callback invoked when OEM hook raw event is received on the registered subscription.

     * Note, the registration subId comes from {@link TelephonyManager} object which registers
@@ -1151,7 +1196,6 @@ public class PhoneStateListener { 
                            () -> psl.onPhysicalChannelConfigurationChanged(configs)));

        }



        @Override

        public void onEmergencyNumberListChanged(Map emergencyNumberList) {

            PhoneStateListener psl = mPhoneStateListenerWeakRef.get();

            if (psl == null) return;
@@ -1161,6 +1205,24 @@ public class PhoneStateListener { 
                            () -> psl.onEmergencyNumberListChanged(emergencyNumberList)));

        }



        public void onOutgoingEmergencyCall(@NonNull EmergencyNumber placedEmergencyNumber) {

            PhoneStateListener psl = mPhoneStateListenerWeakRef.get();

            if (psl == null) return;



            Binder.withCleanCallingIdentity(

                    () -> mExecutor.execute(

                            () -> psl.onOutgoingEmergencyCall(placedEmergencyNumber)));

        }



        public void onOutgoingEmergencySms(@NonNull EmergencyNumber sentEmergencyNumber) {

            PhoneStateListener psl = mPhoneStateListenerWeakRef.get();

            if (psl == null) return;



            Binder.withCleanCallingIdentity(

                    () -> mExecutor.execute(

                            () -> psl.onOutgoingEmergencySms(sentEmergencyNumber)));

        }



        public void onPhoneCapabilityChanged(PhoneCapability capability) {

            PhoneStateListener psl = mPhoneStateListenerWeakRef.get();

            if (psl == null) return;

telephony/java/com/android/internal/telephony/IPhoneStateListener.aidl

+2 −0
Original line number Diff line number Diff line
@@ -58,6 +58,8 @@ oneway interface IPhoneStateListener { 
    void onRadioPowerStateChanged(in int state);

    void onCallAttributesChanged(in CallAttributes callAttributes);

    void onEmergencyNumberListChanged(in Map emergencyNumberList);

    void onOutgoingEmergencyCall(in EmergencyNumber placedEmergencyNumber);

    void onOutgoingEmergencySms(in EmergencyNumber sentEmergencyNumber);

    void onCallDisconnectCauseChanged(in int disconnectCause, in int preciseDisconnectCause);

    void onImsCallDisconnectCauseChanged(in ImsReasonInfo imsReasonInfo);

}