Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 08ddbc2b authored by Tyler Gunn's avatar Tyler Gunn
Browse files

Add support for DTMF and RTP header extension communications. 

Add support for:
- reporting of incoming DTMF tones from IMS stack.
- incoming/outgoing RTP header extension data.

Test: Added unit tests where possible.
Test: Added test intents to inject test data into framework for platform
testing.
Bug: 163085177
Change-Id: If34faeba0461c677a1381c82ead4a79c607bcf13
parent 730f3532

api/system-current.txt

+25 −0
Original line number Diff line number Diff line
@@ -11764,6 +11764,7 @@ package android.telephony.ims { 
    ctor public ImsCallProfile(int, int);

    ctor public ImsCallProfile(int, int, android.os.Bundle, android.telephony.ims.ImsStreamMediaProfile);

    method public int describeContents();

    method @NonNull public java.util.Set<android.telephony.ims.RtpHeaderExtensionType> getAcceptedRtpHeaderExtensionTypes();

    method public String getCallExtra(String);

    method public String getCallExtra(String, String);

    method public boolean getCallExtraBoolean(String);
@@ -11778,6 +11779,7 @@ package android.telephony.ims { 
    method public int getEmergencyServiceCategories();

    method @NonNull public java.util.List<java.lang.String> getEmergencyUrns();

    method public android.telephony.ims.ImsStreamMediaProfile getMediaProfile();

    method @NonNull public java.util.Set<android.telephony.ims.RtpHeaderExtensionType> getOfferedRtpHeaderExtensionTypes();

    method @NonNull public android.os.Bundle getProprietaryCallExtras();

    method public int getRestrictCause();

    method public int getServiceType();
@@ -11788,6 +11790,7 @@ package android.telephony.ims { 
    method public boolean isVideoCall();

    method public boolean isVideoPaused();

    method public static int presentationToOir(int);

    method public void setAcceptedRtpHeaderExtensionTypes(@NonNull java.util.Set<android.telephony.ims.RtpHeaderExtensionType>);

    method public void setCallExtra(String, String);

    method public void setCallExtraBoolean(String, boolean);

    method public void setCallExtraInt(String, int);
@@ -11798,6 +11801,7 @@ package android.telephony.ims { 
    method public void setEmergencyServiceCategories(int);

    method public void setEmergencyUrns(@NonNull java.util.List<java.lang.String>);

    method public void setHasKnownUserIntentEmergency(boolean);

    method public void setOfferedRtpHeaderExtensionTypes(@NonNull java.util.Set<android.telephony.ims.RtpHeaderExtensionType>);

    method public void updateCallExtras(android.telephony.ims.ImsCallProfile);

    method public void updateCallType(android.telephony.ims.ImsCallProfile);

    method public void updateMediaProfile(android.telephony.ims.ImsCallProfile);
@@ -11857,6 +11861,7 @@ package android.telephony.ims { 
    method public void callSessionConferenceExtendReceived(android.telephony.ims.stub.ImsCallSessionImplBase, android.telephony.ims.ImsCallProfile);

    method public void callSessionConferenceExtended(android.telephony.ims.stub.ImsCallSessionImplBase, android.telephony.ims.ImsCallProfile);

    method public void callSessionConferenceStateUpdated(android.telephony.ims.ImsConferenceState);

    method public void callSessionDtmfReceived(char);

    method @Deprecated public void callSessionHandover(int, int, android.telephony.ims.ImsReasonInfo);

    method @Deprecated public void callSessionHandoverFailed(int, int, android.telephony.ims.ImsReasonInfo);

    method public void callSessionHeld(android.telephony.ims.ImsCallProfile);
@@ -11877,6 +11882,7 @@ package android.telephony.ims { 
    method public void callSessionResumeFailed(android.telephony.ims.ImsReasonInfo);

    method public void callSessionResumeReceived(android.telephony.ims.ImsCallProfile);

    method public void callSessionResumed(android.telephony.ims.ImsCallProfile);

    method public void callSessionRtpHeaderExtensionsReceived(@NonNull java.util.Set<android.telephony.ims.RtpHeaderExtension>);

    method public void callSessionRttAudioIndicatorChanged(@NonNull android.telephony.ims.ImsStreamMediaProfile);

    method public void callSessionRttMessageReceived(String);

    method public void callSessionRttModifyRequestReceived(android.telephony.ims.ImsCallProfile);
@@ -12231,6 +12237,24 @@ package android.telephony.ims { 
    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setUceSettingEnabled(boolean) throws android.telephony.ims.ImsException;

  }













  public final class RtpHeaderExtension implements android.os.Parcelable {













    ctor public RtpHeaderExtension(@IntRange(from=1, to=14) int, @NonNull byte[]);













    method public int describeContents();













    method @NonNull public byte[] getExtensionData();













    method @IntRange(from=1, to=14) public int getLocalIdentifier();













    method public void writeToParcel(@NonNull android.os.Parcel, int);













    field @NonNull public static final android.os.Parcelable.Creator<android.telephony.ims.RtpHeaderExtension> CREATOR;













  }

























  public final class RtpHeaderExtensionType implements android.os.Parcelable {













    ctor public RtpHeaderExtensionType(@IntRange(from=1, to=14) int, @NonNull android.net.Uri);













    method public int describeContents();













    method @IntRange(from=1, to=14) public int getLocalIdentifier();













    method @NonNull public android.net.Uri getUri();













    method public void writeToParcel(@NonNull android.os.Parcel, int);













    field @NonNull public static final android.os.Parcelable.Creator<android.telephony.ims.RtpHeaderExtensionType> CREATOR;













  }



























  public class SipDelegateManager {















    method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public boolean isSupported() throws android.telephony.ims.ImsException;















  }










@@ -12347,6 +12371,7 @@ package android.telephony.ims.stub {













    method public void removeParticipants(String[]);















    method public void resume(android.telephony.ims.ImsStreamMediaProfile);















    method public void sendDtmf(char, android.os.Message);













    method public void sendRtpHeaderExtensions(@NonNull java.util.Set<android.telephony.ims.RtpHeaderExtension>);















    method public void sendRttMessage(String);















    method public void sendRttModifyRequest(android.telephony.ims.ImsCallProfile);















    method public void sendRttModifyResponse(boolean);

























core/api/system-current.txt



+25
−0




























Original line number
Diff line number
Diff line








@@ -10646,6 +10646,7 @@ package android.telephony.ims {













    ctor public ImsCallProfile(int, int);















    ctor public ImsCallProfile(int, int, android.os.Bundle, android.telephony.ims.ImsStreamMediaProfile);















    method public int describeContents();













    method @NonNull public java.util.Set<android.telephony.ims.RtpHeaderExtensionType> getAcceptedRtpHeaderExtensionTypes();















    method public String getCallExtra(String);















    method public String getCallExtra(String, String);















    method public boolean getCallExtraBoolean(String);









@@ -10660,6 +10661,7 @@ package android.telephony.ims {













    method public int getEmergencyServiceCategories();















    method @NonNull public java.util.List<java.lang.String> getEmergencyUrns();















    method public android.telephony.ims.ImsStreamMediaProfile getMediaProfile();













    method @NonNull public java.util.Set<android.telephony.ims.RtpHeaderExtensionType> getOfferedRtpHeaderExtensionTypes();















    method @NonNull public android.os.Bundle getProprietaryCallExtras();















    method public int getRestrictCause();















    method public int getServiceType();









@@ -10670,6 +10672,7 @@ package android.telephony.ims {













    method public boolean isVideoCall();















    method public boolean isVideoPaused();















    method public static int presentationToOir(int);













    method public void setAcceptedRtpHeaderExtensionTypes(@NonNull java.util.Set<android.telephony.ims.RtpHeaderExtensionType>);















    method public void setCallExtra(String, String);















    method public void setCallExtraBoolean(String, boolean);















    method public void setCallExtraInt(String, int);









@@ -10680,6 +10683,7 @@ package android.telephony.ims {













    method public void setEmergencyServiceCategories(int);















    method public void setEmergencyUrns(@NonNull java.util.List<java.lang.String>);















    method public void setHasKnownUserIntentEmergency(boolean);













    method public void setOfferedRtpHeaderExtensionTypes(@NonNull java.util.Set<android.telephony.ims.RtpHeaderExtensionType>);















    method public void updateCallExtras(android.telephony.ims.ImsCallProfile);















    method public void updateCallType(android.telephony.ims.ImsCallProfile);















    method public void updateMediaProfile(android.telephony.ims.ImsCallProfile);










@@ -10739,6 +10743,7 @@ package android.telephony.ims {













    method public void callSessionConferenceExtendReceived(android.telephony.ims.stub.ImsCallSessionImplBase, android.telephony.ims.ImsCallProfile);















    method public void callSessionConferenceExtended(android.telephony.ims.stub.ImsCallSessionImplBase, android.telephony.ims.ImsCallProfile);















    method public void callSessionConferenceStateUpdated(android.telephony.ims.ImsConferenceState);













    method public void callSessionDtmfReceived(char);















    method @Deprecated public void callSessionHandover(int, int, android.telephony.ims.ImsReasonInfo);















    method @Deprecated public void callSessionHandoverFailed(int, int, android.telephony.ims.ImsReasonInfo);















    method public void callSessionHeld(android.telephony.ims.ImsCallProfile);









@@ -10759,6 +10764,7 @@ package android.telephony.ims {













    method public void callSessionResumeFailed(android.telephony.ims.ImsReasonInfo);















    method public void callSessionResumeReceived(android.telephony.ims.ImsCallProfile);















    method public void callSessionResumed(android.telephony.ims.ImsCallProfile);













    method public void callSessionRtpHeaderExtensionsReceived(@NonNull java.util.Set<android.telephony.ims.RtpHeaderExtension>);















    method public void callSessionRttAudioIndicatorChanged(@NonNull android.telephony.ims.ImsStreamMediaProfile);















    method public void callSessionRttMessageReceived(String);















    method public void callSessionRttModifyRequestReceived(android.telephony.ims.ImsCallProfile);










@@ -11113,6 +11119,24 @@ package android.telephony.ims {













    method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setUceSettingEnabled(boolean) throws android.telephony.ims.ImsException;















  }



























  public final class RtpHeaderExtension implements android.os.Parcelable {













    ctor public RtpHeaderExtension(@IntRange(from=1, to=14) int, @NonNull byte[]);













    method public int describeContents();













    method @NonNull public byte[] getExtensionData();













    method @IntRange(from=1, to=14) public int getLocalIdentifier();













    method public void writeToParcel(@NonNull android.os.Parcel, int);













    field @NonNull public static final android.os.Parcelable.Creator<android.telephony.ims.RtpHeaderExtension> CREATOR;













  }

























  public final class RtpHeaderExtensionType implements android.os.Parcelable {













    ctor public RtpHeaderExtensionType(@IntRange(from=1, to=14) int, @NonNull android.net.Uri);













    method public int describeContents();













    method @IntRange(from=1, to=14) public int getLocalIdentifier();













    method @NonNull public android.net.Uri getUri();













    method public void writeToParcel(@NonNull android.os.Parcel, int);













    field @NonNull public static final android.os.Parcelable.Creator<android.telephony.ims.RtpHeaderExtensionType> CREATOR;













  }



























  public class SipDelegateManager {















    method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public boolean isSupported() throws android.telephony.ims.ImsException;















  }










@@ -11229,6 +11253,7 @@ package android.telephony.ims.stub {













    method public void removeParticipants(String[]);















    method public void resume(android.telephony.ims.ImsStreamMediaProfile);















    method public void sendDtmf(char, android.os.Message);













    method public void sendRtpHeaderExtensions(@NonNull java.util.Set<android.telephony.ims.RtpHeaderExtension>);















    method public void sendRttMessage(String);















    method public void sendRttModifyRequest(android.telephony.ims.ImsCallProfile);















    method public void sendRttModifyResponse(boolean);

























telephony/java/android/telephony/ims/ImsCallProfile.java



+81
−1




























Original line number
Diff line number
Diff line








@@ -28,6 +28,8 @@ import android.telecom.VideoProfile;













import android.telephony.emergency.EmergencyNumber;















import android.telephony.emergency.EmergencyNumber.EmergencyCallRouting;















import android.telephony.emergency.EmergencyNumber.EmergencyServiceCategories;













import android.telephony.ims.feature.MmTelFeature;













import android.util.ArraySet;















import android.util.Log;































import com.android.internal.annotations.VisibleForTesting;









@@ -37,7 +39,10 @@ import com.android.internal.telephony.util.TelephonyUtils;













import java.lang.annotation.Retention;















import java.lang.annotation.RetentionPolicy;















import java.util.ArrayList;













import java.util.Arrays;















import java.util.List;













import java.util.Set;













import java.util.stream.Collectors;































/**















 * A Parcelable object to handle the IMS call profile, which provides the service, call type, and










@@ -444,6 +449,10 @@ public final class ImsCallProfile implements Parcelable {













    /** Indicates if we have known the intent of the user for the call is emergency */















    private boolean mHasKnownUserIntentEmergency = false;





























    private Set<RtpHeaderExtensionType> mOfferedRtpHeaderExtensionTypes = new ArraySet<>();



























    private Set<RtpHeaderExtensionType> mAcceptedRtpHeaderExtensionTypes = new ArraySet<>();





























    /**















     * Extras associated with this {@link ImsCallProfile}.















     * <p>










@@ -682,6 +691,8 @@ public final class ImsCallProfile implements Parcelable {













        out.writeBoolean(mHasKnownUserIntentEmergency);















        out.writeInt(mRestrictCause);















        out.writeInt(mCallerNumberVerificationStatus);













        out.writeArray(mOfferedRtpHeaderExtensionTypes.toArray());













        out.writeArray(mAcceptedRtpHeaderExtensionTypes.toArray());















    }































    private void readFromParcel(Parcel in) {









@@ -696,9 +707,16 @@ public final class ImsCallProfile implements Parcelable {













        mHasKnownUserIntentEmergency = in.readBoolean();















        mRestrictCause = in.readInt();















        mCallerNumberVerificationStatus = in.readInt();













        Object[] offered = in.readArray(RtpHeaderExtensionType.class.getClassLoader());













        mOfferedRtpHeaderExtensionTypes = Arrays.stream(offered)













                .map(o -> (RtpHeaderExtensionType) o).collect(Collectors.toSet());













        Object[] accepted = in.readArray(RtpHeaderExtensionType.class.getClassLoader());













        mAcceptedRtpHeaderExtensionTypes = Arrays.stream(accepted)













                .map(o -> (RtpHeaderExtensionType) o).collect(Collectors.toSet());















    }





























    public static final @android.annotation.NonNull Creator<ImsCallProfile> CREATOR = new Creator<ImsCallProfile>() {













    public static final @android.annotation.NonNull Creator<ImsCallProfile> CREATOR =













            new Creator<ImsCallProfile>() {















        @Override















        public ImsCallProfile createFromParcel(Parcel in) {















            return new ImsCallProfile(in);










@@ -1085,4 +1103,66 @@ public final class ImsCallProfile implements Parcelable {













    public boolean hasKnownUserIntentEmergency() {















        return mHasKnownUserIntentEmergency;















    }



























    /**













     * For an incoming or outgoing call, indicates the {@link RtpHeaderExtensionType}s which the













     * caller is offering to make available.













     * <p>













     * For outgoing calls, an {@link ImsService} will reserve













     * {@link RtpHeaderExtensionType#getLocalIdentifier()} identifiers the telephony stack has













     * proposed to use and not use these same local identifiers.  The offered header extension













     * types for an outgoing call can be found in the













     * {@link ImsCallProfile#getOfferedRtpHeaderExtensionTypes()} and will be available to the













     * {@link ImsService} in {@link MmTelFeature#createCallSession(ImsCallProfile)}.













     * The {@link ImsService} sets the accepted {@link #setAcceptedRtpHeaderExtensionTypes(Set)}













     * when the SDP offer/accept process has completed.













     * <p>













     * According to RFC8285, RTP header extensions available to a call are determined using the













     * offer/accept phase of the SDP protocol (see RFC4566).













     *













     * @return the {@link RtpHeaderExtensionType}s which were offered by other end of the call.













     */













    public @NonNull Set<RtpHeaderExtensionType> getOfferedRtpHeaderExtensionTypes() {













        return mOfferedRtpHeaderExtensionTypes;













    }



























    /**













     * Sets the offered {@link RtpHeaderExtensionType}s for this call.













     * <p>













     * According to RFC8285, RTP header extensions available to a call are determined using the













     * offer/accept phase of the SDP protocol (see RFC4566).













     *













     * @param rtpHeaderExtensions the {@link RtpHeaderExtensionType}s which are offered.













     */













    public void setOfferedRtpHeaderExtensionTypes(@NonNull Set<RtpHeaderExtensionType>













                    rtpHeaderExtensions) {













        mOfferedRtpHeaderExtensionTypes.clear();













        mOfferedRtpHeaderExtensionTypes.addAll(rtpHeaderExtensions);













    }



























    /**













     * Gets the {@link RtpHeaderExtensionType}s which have been accepted by both ends of the call.













     * <p>













     * According to RFC8285, RTP header extensions available to a call are determined using the













     * offer/accept phase of the SDP protocol (see RFC4566).













     *













     * @return the {@link RtpHeaderExtensionType}s which were accepted by the other end of the call.













     */













    public @NonNull Set<RtpHeaderExtensionType> getAcceptedRtpHeaderExtensionTypes() {













        return mAcceptedRtpHeaderExtensionTypes;













    }



























    /**













     * Sets the accepted {@link RtpHeaderExtensionType}s for this call.













     * <p>













     * According to RFC8285, RTP header extensions available to a call are determined using the













     * offer/accept phase of the SDP protocol (see RFC4566).













     *













     * @param rtpHeaderExtensions













     */













    public void setAcceptedRtpHeaderExtensionTypes(@NonNull Set<RtpHeaderExtensionType>













            rtpHeaderExtensions) {













        mAcceptedRtpHeaderExtensionTypes.clear();













        mAcceptedRtpHeaderExtensionTypes.addAll(rtpHeaderExtensions);













    }















}
























telephony/java/android/telephony/ims/ImsCallSession.java



+74
−0




























Original line number
Diff line number
Diff line








@@ -22,11 +22,16 @@ import android.os.Message;













import android.os.RemoteException;















import android.telephony.CallQuality;















import android.telephony.ims.aidl.IImsCallSessionListener;













import android.util.ArraySet;















import android.util.Log;































import com.android.ims.internal.IImsCallSession;















import com.android.ims.internal.IImsVideoCallProvider;





























import java.util.ArrayList;













import java.util.List;













import java.util.Set;





























/**















 * Provides the call initiation/termination, and media exchange between two IMS endpoints.















 * It directly communicates with IMS service which implements the IMS protocol behavior.










@@ -467,12 +472,32 @@ public class ImsCallSession {













            // no-op















        }





























        /**













         * Informs the framework of a DTMF digit which was received from the network.













         * <p>













         * According to <a href="http://tools.ietf.org/html/rfc2833">RFC 2833 sec 3.10</a>,













         * event 0 ~ 9 maps to decimal value 0 ~ 9, '*' to 10, '#' to 11, event 'A' ~ 'D' to













         * 12 ~ 15.













         * @param digit the DTMF digit













         */













        public void callSessionDtmfReceived(char digit) {













            // no-op













        }





























        /**















         * Called when the IMS service reports a change to the call quality.















         */















        public void callQualityChanged(CallQuality callQuality) {















            // no-op















        }



























        /**













         * Called when the IMS service reports incoming RTP header extension data.













         */













        public void callSessionRtpHeaderExtensionsReceived(













                @NonNull Set<RtpHeaderExtension> extensions) {













            // no-op













        }















    }































    private final IImsCallSession miSession;










@@ -1118,6 +1143,31 @@ public class ImsCallSession {













        }















    }





























    /**













     * Requests that {@code rtpHeaderExtensions} are sent as a header extension with the next













     * RTP packet sent by the IMS stack.













     * <p>













     * The {@link RtpHeaderExtensionType}s negotiated during SDP (Session Description Protocol)













     * signalling determine the {@link RtpHeaderExtension}s which can be sent using this method.













     * See RFC8285 for more information.













     * <p>













     * By specification, the RTP header extension is an unacknowledged transmission and there is no













     * guarantee that the header extension will be delivered by the network to the other end of the













     * call.













     * @param rtpHeaderExtensions The header extensions to be included in the next RTP header.













     */













    public void sendRtpHeaderExtensions(@NonNull Set<RtpHeaderExtension> rtpHeaderExtensions) {













        if (mClosed) {













            return;













        }



























        try {













            miSession.sendRtpHeaderExtensions(













                    new ArrayList<RtpHeaderExtension>(rtpHeaderExtensions));













        } catch (RemoteException e) {













        }













    }





























    /**















     * A listener type for receiving notification on IMS call session events.















     * When an event is generated for an {@link IImsCallSession},










@@ -1476,6 +1526,17 @@ public class ImsCallSession {













            }















        }





























        /**













         * DTMF digit received.













         * @param dtmf The DTMF digit.













         */













        @Override













        public void callSessionDtmfReceived(char dtmf) {













            if (mListener != null) {













                mListener.callSessionDtmfReceived(dtmf);













            }













        }





























        /**















         * Call quality updated















         */









@@ -1485,6 +1546,19 @@ public class ImsCallSession {













                mListener.callQualityChanged(callQuality);















            }















        }



























        /**













         * RTP header extension data received.













         * @param extensions The header extension data.













         */













        @Override













        public void callSessionRtpHeaderExtensionsReceived(













                @NonNull List<RtpHeaderExtension> extensions) {













            if (mListener != null) {













                mListener.callSessionRtpHeaderExtensionsReceived(













                        new ArraySet<RtpHeaderExtension>(extensions));













            }













        }















    }































    /**

































telephony/java/android/telephony/ims/ImsCallSessionListener.java



+57
−0




























Original line number
Diff line number
Diff line








@@ -28,6 +28,10 @@ import android.telephony.ims.stub.ImsCallSessionImplBase;





























import com.android.ims.internal.IImsCallSession;





























import java.util.ArrayList;













import java.util.Objects;













import java.util.Set;





























/**















 * Listener interface for notifying the Framework's {@link ImsCallSession} for updates to an ongoing















 * IMS call.










@@ -682,6 +686,59 @@ public class ImsCallSessionListener {













        }















    }





























    /**













     * The {@link ImsService} calls this method to inform the framework of a DTMF digit which was













     * received from the network.













     * <p>













     * According to <a href="http://tools.ietf.org/html/rfc2833">RFC 2833 sec 3.10</a>,













     * event 0 ~ 9 maps to decimal value 0 ~ 9, '*' to 10, '#' to 11, event 'A' ~ 'D' to 12 ~ 15.













     * <p>













     * <em>Note:</em> Alpha DTMF digits are converted from lower-case to upper-case.













     *













     * @param dtmf The DTMF digit received, '0'-'9', *, #, A, B, C, or D.













     * @throws IllegalArgumentException If an invalid DTMF character is provided.













     */













    public void callSessionDtmfReceived(char dtmf) {













        if (!(dtmf >= '0' && dtmf <= '9'













                || dtmf >= 'A' && dtmf <= 'D'













                || dtmf >= 'a' && dtmf <= 'd'













                || dtmf == '*'













                || dtmf == '#')) {













            throw new IllegalArgumentException("DTMF digit must be 0-9, *, #, A, B, C, D");













        }













        try {













            mListener.callSessionDtmfReceived(Character.toUpperCase(dtmf));













        } catch (RemoteException e) {













            e.rethrowFromSystemServer();













        }













    }



























    /**













     * The {@link ImsService} calls this method to inform the framework of RTP header extension data













     * which was received from the network.













     * <p>













     * The set of {@link RtpHeaderExtension} data are identified by local identifiers which were













     * negotiated during SDP signalling.  See RFC8285,













     * {@link ImsCallProfile#getAcceptedRtpHeaderExtensionTypes()} and













     * {@link RtpHeaderExtensionType} for more information.













     * <p>













     * By specification, the RTP header extension is an unacknowledged transmission and there is no













     * guarantee that the header extension will be delivered by the network to the other end of the













     * call.













     *













     * @param extensions The RTP header extension data received.













     */













    public void callSessionRtpHeaderExtensionsReceived(













            @NonNull Set<RtpHeaderExtension> extensions) {













        Objects.requireNonNull(extensions, "extensions are required.");













        try {













            mListener.callSessionRtpHeaderExtensionsReceived(













                    new ArrayList<RtpHeaderExtension>(extensions));













        } catch (RemoteException e) {













            e.rethrowFromSystemServer();













        }













    }





























    /**















     * Notifies the result of transfer request.















     * @hide