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Commit 95d5587d authored by Hall Liu's avatar Hall Liu
Browse files

Introduce APIs for RTT calls (part 1) 

Add signaling methods and data pipes for handling real-time text during
a call.

Change-Id: I876827c448252c5f786d7a4919c47891acb03877
Test: manual, through telecom testapps
parent 975be6c0

api/current.txt

+23 −0
Original line number Diff line number Diff line
@@ -36581,9 +36581,11 @@ package android.telecom { 
    method public android.telecom.Call.Details getDetails();

    method public android.telecom.Call getParent();

    method public java.lang.String getRemainingPostDialSequence();

    method public android.telecom.Call.RttCall getRttCall();

    method public int getState();

    method public android.telecom.InCallService.VideoCall getVideoCall();

    method public void hold();

    method public boolean isRttActive();

    method public void mergeConference();

    method public void phoneAccountSelected(android.telecom.PhoneAccountHandle, boolean);

    method public void playDtmfTone(char);
@@ -36595,9 +36597,12 @@ package android.telecom { 
    method public void reject(boolean, java.lang.String);

    method public final void removeExtras(java.util.List<java.lang.String>);

    method public final void removeExtras(java.lang.String...);

    method public void respondToRttRequest(int, boolean);

    method public void sendCallEvent(java.lang.String, android.os.Bundle);

    method public void sendRttRequest();

    method public void splitFromConference();

    method public void stopDtmfTone();

    method public void stopRtt();

    method public void swapConference();

    method public void unhold();

    method public void unregisterCallback(android.telecom.Call.Callback);
@@ -36624,6 +36629,9 @@ package android.telecom { 
    method public void onDetailsChanged(android.telecom.Call, android.telecom.Call.Details);

    method public void onParentChanged(android.telecom.Call, android.telecom.Call);

    method public void onPostDialWait(android.telecom.Call, java.lang.String);

    method public void onRttModeChanged(android.telecom.Call, int);

    method public void onRttRequest(android.telecom.Call, int);

    method public void onRttStatusChanged(android.telecom.Call, boolean, android.telecom.Call.RttCall);

    method public void onStateChanged(android.telecom.Call, int);

    method public void onVideoCallChanged(android.telecom.Call, android.telecom.InCallService.VideoCall);

  }
@@ -36677,6 +36685,19 @@ package android.telecom { 
    field public static final int PROPERTY_WIFI = 8; // 0x8

  }













  public static final class Call.RttCall {













    method public int getRttAudioMode();













    method public java.lang.String read();













    method public void setRttMode(int);













    method public void write(java.lang.String) throws java.io.IOException;













    field public static final int RTT_MODE_FULL = 1; // 0x1













    field public static final int RTT_MODE_HCO = 2; // 0x2













    field public static final int RTT_MODE_VCO = 3; // 0x3













  }

























  public static abstract class Call.RttCall.RttAudioMode implements java.lang.annotation.Annotation {













  }



























  public final class CallAudioState implements android.os.Parcelable {















    ctor public CallAudioState(boolean, int, int);















    method public static java.lang.String audioRouteToString(int);










@@ -37048,6 +37069,7 @@ package android.telecom {













    field public static final int CAPABILITY_CALL_SUBJECT = 64; // 0x40















    field public static final int CAPABILITY_CONNECTION_MANAGER = 1; // 0x1















    field public static final int CAPABILITY_PLACE_EMERGENCY_CALLS = 16; // 0x10













    field public static final int CAPABILITY_RTT = 4096; // 0x1000















    field public static final int CAPABILITY_SELF_MANAGED = 2048; // 0x800















    field public static final int CAPABILITY_SIM_SUBSCRIPTION = 4; // 0x4















    field public static final int CAPABILITY_SUPPORTS_VIDEO_CALLING = 1024; // 0x400










@@ -37260,6 +37282,7 @@ package android.telecom {













    field public static final java.lang.String EXTRA_NOTIFICATION_PHONE_NUMBER = "android.telecom.extra.NOTIFICATION_PHONE_NUMBER";















    field public static final java.lang.String EXTRA_OUTGOING_CALL_EXTRAS = "android.telecom.extra.OUTGOING_CALL_EXTRAS";















    field public static final java.lang.String EXTRA_PHONE_ACCOUNT_HANDLE = "android.telecom.extra.PHONE_ACCOUNT_HANDLE";













    field public static final java.lang.String EXTRA_START_CALL_WITH_RTT = "android.telecom.extra.START_CALL_WITH_RTT";















    field public static final java.lang.String EXTRA_START_CALL_WITH_SPEAKERPHONE = "android.telecom.extra.START_CALL_WITH_SPEAKERPHONE";















    field public static final java.lang.String EXTRA_START_CALL_WITH_VIDEO_STATE = "android.telecom.extra.START_CALL_WITH_VIDEO_STATE";















    field public static final java.lang.String GATEWAY_ORIGINAL_ADDRESS = "android.telecom.extra.GATEWAY_ORIGINAL_ADDRESS";

























api/system-current.txt



+23
−0




























Original line number
Diff line number
Diff line








@@ -39548,9 +39548,11 @@ package android.telecom {













    method public android.telecom.Call.Details getDetails();















    method public android.telecom.Call getParent();















    method public java.lang.String getRemainingPostDialSequence();













    method public android.telecom.Call.RttCall getRttCall();















    method public int getState();















    method public android.telecom.InCallService.VideoCall getVideoCall();















    method public void hold();













    method public boolean isRttActive();















    method public void mergeConference();















    method public void phoneAccountSelected(android.telecom.PhoneAccountHandle, boolean);















    method public void playDtmfTone(char);









@@ -39563,9 +39565,12 @@ package android.telecom {













    method public final void removeExtras(java.util.List<java.lang.String>);















    method public final void removeExtras(java.lang.String...);















    method public deprecated void removeListener(android.telecom.Call.Listener);













    method public void respondToRttRequest(int, boolean);















    method public void sendCallEvent(java.lang.String, android.os.Bundle);













    method public void sendRttRequest();















    method public void splitFromConference();















    method public void stopDtmfTone();













    method public void stopRtt();















    method public void swapConference();















    method public void unhold();















    method public void unregisterCallback(android.telecom.Call.Callback);










@@ -39593,6 +39598,9 @@ package android.telecom {













    method public void onDetailsChanged(android.telecom.Call, android.telecom.Call.Details);















    method public void onParentChanged(android.telecom.Call, android.telecom.Call);















    method public void onPostDialWait(android.telecom.Call, java.lang.String);













    method public void onRttModeChanged(android.telecom.Call, int);













    method public void onRttRequest(android.telecom.Call, int);













    method public void onRttStatusChanged(android.telecom.Call, boolean, android.telecom.Call.RttCall);















    method public void onStateChanged(android.telecom.Call, int);















    method public void onVideoCallChanged(android.telecom.Call, android.telecom.InCallService.VideoCall);















  }










@@ -39650,6 +39658,19 @@ package android.telecom {













    ctor public Call.Listener();















  }



























  public static final class Call.RttCall {













    method public int getRttAudioMode();













    method public java.lang.String read();













    method public void setRttMode(int);













    method public void write(java.lang.String) throws java.io.IOException;













    field public static final int RTT_MODE_FULL = 1; // 0x1













    field public static final int RTT_MODE_HCO = 2; // 0x2













    field public static final int RTT_MODE_VCO = 3; // 0x3













  }

























  public static abstract class Call.RttCall.RttAudioMode implements java.lang.annotation.Annotation {













  }



























  public final class CallAudioState implements android.os.Parcelable {















    ctor public CallAudioState(boolean, int, int);















    method public static java.lang.String audioRouteToString(int);










@@ -40152,6 +40173,7 @@ package android.telecom {













    field public static final int CAPABILITY_CONNECTION_MANAGER = 1; // 0x1















    field public static final int CAPABILITY_MULTI_USER = 32; // 0x20















    field public static final int CAPABILITY_PLACE_EMERGENCY_CALLS = 16; // 0x10













    field public static final int CAPABILITY_RTT = 4096; // 0x1000















    field public static final int CAPABILITY_SELF_MANAGED = 2048; // 0x800















    field public static final int CAPABILITY_SIM_SUBSCRIPTION = 4; // 0x4















    field public static final int CAPABILITY_SUPPORTS_VIDEO_CALLING = 1024; // 0x400










@@ -40428,6 +40450,7 @@ package android.telecom {













    field public static final java.lang.String EXTRA_NOTIFICATION_PHONE_NUMBER = "android.telecom.extra.NOTIFICATION_PHONE_NUMBER";















    field public static final java.lang.String EXTRA_OUTGOING_CALL_EXTRAS = "android.telecom.extra.OUTGOING_CALL_EXTRAS";















    field public static final java.lang.String EXTRA_PHONE_ACCOUNT_HANDLE = "android.telecom.extra.PHONE_ACCOUNT_HANDLE";













    field public static final java.lang.String EXTRA_START_CALL_WITH_RTT = "android.telecom.extra.START_CALL_WITH_RTT";















    field public static final java.lang.String EXTRA_START_CALL_WITH_SPEAKERPHONE = "android.telecom.extra.START_CALL_WITH_SPEAKERPHONE";















    field public static final java.lang.String EXTRA_START_CALL_WITH_VIDEO_STATE = "android.telecom.extra.START_CALL_WITH_VIDEO_STATE";















    field public static final java.lang.String GATEWAY_ORIGINAL_ADDRESS = "android.telecom.extra.GATEWAY_ORIGINAL_ADDRESS";

























api/test-current.txt



+23
−0




























Original line number
Diff line number
Diff line








@@ -36663,9 +36663,11 @@ package android.telecom {













    method public android.telecom.Call.Details getDetails();















    method public android.telecom.Call getParent();















    method public java.lang.String getRemainingPostDialSequence();













    method public android.telecom.Call.RttCall getRttCall();















    method public int getState();















    method public android.telecom.InCallService.VideoCall getVideoCall();















    method public void hold();













    method public boolean isRttActive();















    method public void mergeConference();















    method public void phoneAccountSelected(android.telecom.PhoneAccountHandle, boolean);















    method public void playDtmfTone(char);









@@ -36677,9 +36679,12 @@ package android.telecom {













    method public void reject(boolean, java.lang.String);















    method public final void removeExtras(java.util.List<java.lang.String>);















    method public final void removeExtras(java.lang.String...);













    method public void respondToRttRequest(int, boolean);















    method public void sendCallEvent(java.lang.String, android.os.Bundle);













    method public void sendRttRequest();















    method public void splitFromConference();















    method public void stopDtmfTone();













    method public void stopRtt();















    method public void swapConference();















    method public void unhold();















    method public void unregisterCallback(android.telecom.Call.Callback);









@@ -36706,6 +36711,9 @@ package android.telecom {













    method public void onDetailsChanged(android.telecom.Call, android.telecom.Call.Details);















    method public void onParentChanged(android.telecom.Call, android.telecom.Call);















    method public void onPostDialWait(android.telecom.Call, java.lang.String);













    method public void onRttModeChanged(android.telecom.Call, int);













    method public void onRttRequest(android.telecom.Call, int);













    method public void onRttStatusChanged(android.telecom.Call, boolean, android.telecom.Call.RttCall);















    method public void onStateChanged(android.telecom.Call, int);















    method public void onVideoCallChanged(android.telecom.Call, android.telecom.InCallService.VideoCall);















  }










@@ -36759,6 +36767,19 @@ package android.telecom {













    field public static final int PROPERTY_WIFI = 8; // 0x8















  }



























  public static final class Call.RttCall {













    method public int getRttAudioMode();













    method public java.lang.String read();













    method public void setRttMode(int);













    method public void write(java.lang.String) throws java.io.IOException;













    field public static final int RTT_MODE_FULL = 1; // 0x1













    field public static final int RTT_MODE_HCO = 2; // 0x2













    field public static final int RTT_MODE_VCO = 3; // 0x3













  }

























  public static abstract class Call.RttCall.RttAudioMode implements java.lang.annotation.Annotation {













  }



























  public final class CallAudioState implements android.os.Parcelable {















    ctor public CallAudioState(boolean, int, int);















    method public static java.lang.String audioRouteToString(int);










@@ -37130,6 +37151,7 @@ package android.telecom {













    field public static final int CAPABILITY_CALL_SUBJECT = 64; // 0x40















    field public static final int CAPABILITY_CONNECTION_MANAGER = 1; // 0x1















    field public static final int CAPABILITY_PLACE_EMERGENCY_CALLS = 16; // 0x10













    field public static final int CAPABILITY_RTT = 4096; // 0x1000















    field public static final int CAPABILITY_SELF_MANAGED = 2048; // 0x800















    field public static final int CAPABILITY_SIM_SUBSCRIPTION = 4; // 0x4















    field public static final int CAPABILITY_SUPPORTS_VIDEO_CALLING = 1024; // 0x400










@@ -37342,6 +37364,7 @@ package android.telecom {













    field public static final java.lang.String EXTRA_NOTIFICATION_PHONE_NUMBER = "android.telecom.extra.NOTIFICATION_PHONE_NUMBER";















    field public static final java.lang.String EXTRA_OUTGOING_CALL_EXTRAS = "android.telecom.extra.OUTGOING_CALL_EXTRAS";















    field public static final java.lang.String EXTRA_PHONE_ACCOUNT_HANDLE = "android.telecom.extra.PHONE_ACCOUNT_HANDLE";













    field public static final java.lang.String EXTRA_START_CALL_WITH_RTT = "android.telecom.extra.START_CALL_WITH_RTT";















    field public static final java.lang.String EXTRA_START_CALL_WITH_SPEAKERPHONE = "android.telecom.extra.START_CALL_WITH_SPEAKERPHONE";















    field public static final java.lang.String EXTRA_START_CALL_WITH_VIDEO_STATE = "android.telecom.extra.START_CALL_WITH_VIDEO_STATE";















    field public static final java.lang.String GATEWAY_ORIGINAL_ADDRESS = "android.telecom.extra.GATEWAY_ORIGINAL_ADDRESS";

























telecomm/java/android/telecom/Call.java



+258
−0




























Original line number
Diff line number
Diff line








@@ -16,12 +16,21 @@





























package android.telecom;





























import android.annotation.IntDef;













import android.annotation.Nullable;















import android.annotation.SystemApi;















import android.net.Uri;















import android.os.Bundle;















import android.os.Handler;













import android.os.ParcelFileDescriptor;





























import java.io.IOException;













import java.io.InputStreamReader;













import java.io.OutputStreamWriter;















import java.lang.String;













import java.lang.annotation.Retention;













import java.lang.annotation.RetentionPolicy;













import java.nio.charset.StandardCharsets;















import java.util.ArrayList;















import java.util.Arrays;















import java.util.Collections;










@@ -828,6 +837,142 @@ public final class Call {













         * @param extras Extras associated with the connection event.















         */















        public void onConnectionEvent(Call call, String event, Bundle extras) {}



























        /**













         * Invoked when the RTT mode changes for this call.













         * @param call The call whose RTT mode has changed.













         * @param mode the new RTT mode, one of













         * {@link RttCall#RTT_MODE_FULL}, {@link RttCall#RTT_MODE_HCO},













         *             or {@link RttCall#RTT_MODE_VCO}













         */













        public void onRttModeChanged(Call call, int mode) {}



























        /**













         * Invoked when the call's RTT status changes, either from off to on or from on to off.













         * @param call The call whose RTT status has changed.













         * @param enabled whether RTT is now enabled or disabled













         * @param rttCall the {@link RttCall} object to use for reading and writing if RTT is now













         *                on, null otherwise.













         */













        public void onRttStatusChanged(Call call, boolean enabled, RttCall rttCall) {}



























        /**













         * Invoked when the remote end of the connection has requested that an RTT communication













         * channel be opened. A response to this should be sent via {@link #respondToRttRequest}













         * with the same ID that this method is invoked with.













         * @param call The call which the RTT request was placed on













         * @param id The ID of the request.













         */













        public void onRttRequest(Call call, int id) {}













    }



























    /**













     * A class that holds the state that describes the state of the RTT channel to the remote













     * party, if it is active.













     */













    public static final class RttCall {













        @Retention(RetentionPolicy.SOURCE)













        @IntDef({RTT_MODE_INVALID, RTT_MODE_FULL, RTT_MODE_HCO, RTT_MODE_VCO})













        public @interface RttAudioMode {}



























        /**













         * For metrics use. Default value in the proto.













         * @hide













         */













        public static final int RTT_MODE_INVALID = 0;



























        /**













         * Indicates that there should be a bidirectional audio stream between the two parties













         * on the call.













         */













        public static final int RTT_MODE_FULL = 1;



























        /**













         * Indicates that the local user should be able to hear the audio stream from the remote













         * user, but not vice versa. Equivalent to muting the microphone.













         */













        public static final int RTT_MODE_HCO = 2;



























        /**













         * Indicates that the remote user should be able to hear the audio stream from the local













         * user, but not vice versa. Equivalent to setting the volume to zero.













         */













        public static final int RTT_MODE_VCO = 3;



























        private static final int READ_BUFFER_SIZE = 1000;



























        private InputStreamReader mReceiveStream;













        private OutputStreamWriter mTransmitStream;













        private int mRttMode;













        private final InCallAdapter mInCallAdapter;













        private char[] mReadBuffer = new char[READ_BUFFER_SIZE];



























        /**













         * @hide













         */













        public RttCall(InputStreamReader receiveStream, OutputStreamWriter transmitStream,













                int mode, InCallAdapter inCallAdapter) {













            mReceiveStream = receiveStream;













            mTransmitStream = transmitStream;













            mRttMode = mode;













            mInCallAdapter = inCallAdapter;













        }



























        /**













         * Returns the current RTT audio mode.













         * @return Current RTT audio mode. One of {@link #RTT_MODE_FULL}, {@link #RTT_MODE_VCO}, or













         * {@link #RTT_MODE_HCO}.













         */













        public int getRttAudioMode() {













            return mRttMode;













        }



























        /**













         * Sets the RTT audio mode. The requested mode change will be communicated through













         * {@link Callback#onRttModeChanged(Call, int)}.













         * @param mode The desired RTT audio mode, one of {@link #RTT_MODE_FULL},













         * {@link #RTT_MODE_VCO}, or {@link #RTT_MODE_HCO}.













         */













        public void setRttMode(@RttAudioMode int mode) {













            mInCallAdapter.setRttMode(mode);













        }



























        /**













         * Writes the string {@param input} into the outgoing text stream for this RTT call. Since













         * RTT transmits text in real-time, this method should be called once for each character













         * the user enters into the device.













         *













         * This method is not thread-safe -- calling it from multiple threads simultaneously may













         * lead to interleaved text.













         * @param input The message to send to the remote user.













         */













        public void write(String input) throws IOException {













            mTransmitStream.write(input);













            mTransmitStream.flush();













        }



























        /**













         * Reads a string from the remote user, blocking if there is no data available. Returns













         * {@code null} if the RTT conversation has been terminated and there is no further data













         * to read.













         *













         * This method is not thread-safe -- calling it from multiple threads simultaneously may













         * lead to interleaved text.













         * @return A string containing text sent by the remote user, or {@code null} if the













         * conversation has been terminated or if there was an error while reading.













         */













        public String read() {













            try {













                int numRead = mReceiveStream.read(mReadBuffer, 0, READ_BUFFER_SIZE);













                if (numRead < 0) {













                    return null;













                }













                return new String(mReadBuffer, 0, numRead);













            } catch (IOException e) {













                Log.w(this, "Exception encountered when reading from InputStreamReader: %s", e);













                return null;













            }













        }















    }































    /**










@@ -856,6 +1001,7 @@ public final class Call {













    private String mCallingPackage;















    private String mRemainingPostDialSequence;















    private VideoCallImpl mVideoCallImpl;













    private RttCall mRttCall;















    private Details mDetails;















    private Bundle mExtras;


























@@ -1053,6 +1199,34 @@ public final class Call {













        mInCallAdapter.sendCallEvent(mTelecomCallId, event, extras);















    }





























    /**













     * Sends an RTT upgrade request to the remote end of the connection. Success is not













     * guaranteed, and notification of success will be via the













     * {@link Callback#onRttStatusChanged(Call, boolean, RttCall)} callback.













     */













    public void sendRttRequest() {













        mInCallAdapter.sendRttRequest();













    }



























    /**













     * Responds to an RTT request received via the {@link Callback#onRttRequest(Call, int)} )}













     * callback.













     * The ID used here should be the same as the ID that was received via the callback.













     * @param id The request ID received via {@link Callback#onRttRequest(Call, int)}













     * @param accept {@code true} if the RTT request should be accepted, {@code false} otherwise.













     */













    public void respondToRttRequest(int id, boolean accept) {













        mInCallAdapter.respondToRttRequest(id, accept);













    }



























    /**













     * Terminate the RTT session on this call. The resulting state change will be notified via













     * the {@link Callback#onRttStatusChanged(Call, boolean, RttCall)} callback.













     */













    public void stopRtt() {













        mInCallAdapter.stopRtt();













    }





























    /**















     * Adds some extras to this {@link Call}.  Existing keys are replaced and new ones are















     * added.










@@ -1232,6 +1406,23 @@ public final class Call {













        return mDetails;















    }





























    /**













     * Returns this call's RttCall object. The {@link RttCall} instance is used to send and













     * receive RTT text data, as well as to change the RTT mode.













     * @return A {@link Call.RttCall}. {@code null} if there is no active RTT connection.













     */













    public @Nullable RttCall getRttCall() {













        return mRttCall;













    }



























    /**













     * Returns whether this call has an active RTT connection.













     * @return true if there is a connection, false otherwise.













     */













    public boolean isRttActive() {













        return mRttCall != null;













    }





























    /**















     * Registers a callback to this {@code Call}.















     *










@@ -1426,6 +1617,32 @@ public final class Call {













            fireConferenceableCallsChanged();















        }





























        boolean isRttChanged = false;













        boolean rttModeChanged = false;













        if (parcelableCall.getParcelableRttCall() != null && parcelableCall.getIsRttCallChanged()) {













            ParcelableRttCall parcelableRttCall = parcelableCall.getParcelableRttCall();













            InputStreamReader receiveStream = new InputStreamReader(













                    new ParcelFileDescriptor.AutoCloseInputStream(













                            parcelableRttCall.getReceiveStream()),













                    StandardCharsets.UTF_8);













            OutputStreamWriter transmitStream = new OutputStreamWriter(













                    new ParcelFileDescriptor.AutoCloseOutputStream(













                            parcelableRttCall.getTransmitStream()),













                    StandardCharsets.UTF_8);













            RttCall newRttCall = new Call.RttCall(













                    receiveStream, transmitStream, parcelableRttCall.getRttMode(), mInCallAdapter);













            if (mRttCall == null) {













                isRttChanged = true;













            } else if (mRttCall.getRttAudioMode() != newRttCall.getRttAudioMode()) {













                rttModeChanged = true;













            }













            mRttCall = newRttCall;













        } else if (mRttCall != null && parcelableCall.getParcelableRttCall() == null













                && parcelableCall.getIsRttCallChanged()) {













            isRttChanged = true;













            mRttCall = null;













        }





























        // Now we fire updates, ensuring that any client who listens to any of these notifications















        // gets the most up-to-date state.

























@@ -1447,6 +1664,12 @@ public final class Call {













        if (childrenChanged) {















            fireChildrenChanged(getChildren());















        }













        if (isRttChanged) {













            fireOnIsRttChanged(mRttCall != null, mRttCall);













        }













        if (rttModeChanged) {













            fireOnRttModeChanged(mRttCall.getRttAudioMode());













        }































        // If we have transitioned to DISCONNECTED, that means we need to notify clients and















        // remove ourselves from the Phone. Note that we do this after completing all state updates










@@ -1477,6 +1700,15 @@ public final class Call {













        fireOnConnectionEvent(event, extras);















    }





























    /** {@hide} */













    final void internalOnRttUpgradeRequest(final int requestId) {













        for (CallbackRecord<Callback> record : mCallbackRecords) {













            final Call call = this;













            final Callback callback = record.getCallback();













            record.getHandler().post(() -> callback.onRttRequest(call, requestId));













        }













    }





























    private void fireStateChanged(final int newState) {















        for (CallbackRecord<Callback> record : mCallbackRecords) {















            final Call call = this;










@@ -1644,6 +1876,32 @@ public final class Call {













        }















    }





























    /**













     * Notifies listeners of an RTT on/off change













     *













     * @param enabled True if RTT is now enabled, false otherwise













     */













    private void fireOnIsRttChanged(final boolean enabled, final RttCall rttCall) {













        for (CallbackRecord<Callback> record : mCallbackRecords) {













            final Call call = this;













            final Callback callback = record.getCallback();













            record.getHandler().post(() -> callback.onRttStatusChanged(call, enabled, rttCall));













        }













    }



























    /**













     * Notifies listeners of a RTT mode change













     *













     * @param mode The new RTT mode













     */













    private void fireOnRttModeChanged(final int mode) {













        for (CallbackRecord<Callback> record : mCallbackRecords) {













            final Call call = this;













            final Callback callback = record.getCallback();













            record.getHandler().post(() -> callback.onRttModeChanged(call, mode));













        }













    }





























    /**















     * Determines if two bundles are equal.















     *

































telecomm/java/android/telecom/Connection.java



+70
−1


























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