URLにある画像挿入を試そうと思います。教えてほしいことは・・・

Question

まず、こちらのURLにある初期設定から、bitmapをSmartEyeGlassに表示、までをやりたいです。
http://korechi.hatenablog.com/entry/2016/03/25/023434

次のSmartEyeglassEventListenerのクラスに何をプログラミングするのか分かりませんでしたので、教えていただけませんか？

package com.sony.smarteyeglass.extension.util;

/**
 * The event listener interface for SmartEyeglass events. Your implementation should
 * override the methods to provide handler callbacks for specific events.
 * Each event-handler function is executed in the context that created the associated instance of
 * {@link com.sony.smarteyeglass.extension.util.SmartEyeglassControlUtils}.
 */
public class SmartEyeglassEventListener {

    /**
     * Called on completion of a voice-to-text operation.
     *
     * @param errorCode The result of the operation, one of these constants:
     *            <ul>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#VOICE_TEXT_INPUT_RESULT_OK}</li>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#VOICE_TEXT_INPUT_RESULT_FAILED}</li>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#VOICE_TEXT_INPUT_RESULT_CANCEL}</li>
     *            </ul>
     * @param text      The text transcription of the voice input.
     */
    public void onVoiceTextInput(final int errorCode, final String text) { }

    /**
     * Called when a dialog is dismissed by user action or timeout.
     *
     * @param code For a dialog with developer-defined buttons, the
     *      0-based index of the button used to close the dialog.
     *      For a simple dialog, 0 if the dialog was closed with the
     *      OK button, or -1 if the dialog timed out.
     */
    public void onDialogClosed(final int code) { }

    /**
     * Called when an error occurred while starting camera recording.
     * Your handler must call
     * {@link com.sony.smarteyeglass.extension.util.SmartEyeglassControlUtils#stopCamera}.
     *
     * @param error The reason for failure of the capture operation, one of these constants:
     *            <ul>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#ERROR_INVALID_PARAMETER}</li>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#ERROR_FILE_ACCESS}</li>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#ERROR_CAPTURE}</li>
     *            </ul>
     */
    public void onCameraErrorReceived(final int error) { }

    /**
     * Called when a new image is received in these camera modes:
     *            <ul>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#CAMERA_MODE_STILL}</li>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#CAMERA_MODE_JPG_STREAM_LOW_RATE}</li>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#CAMERA_MODE_JPG_STREAM_HIGH_RATE}</li>
     *            </ul>
     *
     * @param event The camera event object that contains the new image.
     */
    public void onCameraReceived(final CameraEvent event) { }

    /**
     * Called when a new image is sent to a file, in these camera modes:
     *            <ul>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#CAMERA_MODE_STILL_TO_FILE}</li>
     *            </ul>
     *
     * @param filePath The path and file name of the new JPEG file.
     */
    public void onCameraReceivedFile(final String filePath) { }

    /**
     * Called when the power mode changes.
     *
     * @param powerMode The new power mode value, one of
     *            <ul>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#POWER_MODE_HIGH}</li>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#POWER_MODE_NORMAL}</li>
     *            </ul>
     */
    public void onChangePowerMode(final int powerMode) { }

    /**
     * Called when the display state changes.
     *
     * @param mode The new display state value, one of
     *            <ul>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#DISPLAY_STATUS_OFF}</li>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#DISPLAY_STATUS_ON}</li>
     *            </ul>
     */
    public void onDisplayStatus(final int mode) { }

    /**
     * Called when the device has entered standby mode.
     */
    public boolean onConfirmationEnterStandby() {
        return true;
    }

    /**
     * Called when the standby mode changed.
     *
     * @param status The new standby mode, one of
     *            <ul>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#STANDBY_MODE_OFF}</li>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#STANDBY_MODE_ON}</li>
     *            </ul>
     */
    public void onStandbyStatus(final int status) { }

    /**
     * Called when the battery status is received.
     *
     * @param value The remaining power in the battery, a percentage value.
     */
    public void onBatteryStatus(final int value) { }

    /**
     * Called when the telephony function status is received.
     *
     * @param status The telephony function status, one of:
     *            <ul>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#TELEPHONY_MODE_BT_HEADSET_ENABLE}</li>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#TELEPHONY_MODE_BT_HEADSET_DISABLE}</li>
     *            </ul>
     */
    public void onTelephonyFunctionStatus(final int status) { }

    /**
     * Called when the registration operation for an AR rendering object has completed.
     *
     * @param result    The result of the operation, 0 on success.
     * @param objectId  The unique ID of the registered AR object.
     */
    public void onARRegistrationResult(int result, int objectId) {}

    /**
     * Called when the animation-enable operation for AR rendering has completed.
     *
     * @param result    The result of the operation, 0 on success.
     */
    public void onAREnableAnimationResponse(int result) {}

    /**
     * Called when the animation-disable operation for AR rendering has completed.
     *
     * @param result    The result of the operation, 0 on success.
     */
    public void onARDisableAnimationResponse(int result) {}

    /**
     * Called when the AR rendering engine requires display data for an AR object.
     * You handler should send the requested image data using
     * {@link com.sony.smarteyeglass.extension.util.SmartEyeglassControlUtils#sendARObjectResponse}
     * or {@link com.sony.smarteyeglass.extension.util.SmartEyeglassControlUtils#sendARAnimationObject}.
     *
     * @param objectId  The object ID whose data is requested.
     */
    public void onARObjectRequest(int objectId) {}

     /**
     * Called when the draw operation for
     * {@link com.sony.smarteyeglass.extension.util.SmartEyeglassControlUtils#showBitmapWithCallback} is completed.
     *
     * @param transactionNumber The transaction number that was passed to the showBitmapWithCallback call which has completed.
     * @param result The processing result.
     *            <ul>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#DISPLAY_DATA_RESULT_OK}</li>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#DISPLAY_DATA_RESULT_CANNOT_DRAW}</li>
     *            </ul>
     */
    public void onResultShowBitmap(int transactionNumber, int result) {}

     /**
     * Called when the draw operation for
     * {@link com.sony.smarteyeglass.extension.util.SmartEyeglassControlUtils#showImageWithCallback} is completed.
     *
     * @param transactionNumber The transaction number that was passed to the showImageWithCallback call which has completed.
     * @param result The processing result.
     *            <ul>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#DISPLAY_DATA_RESULT_OK}</li>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#DISPLAY_DATA_RESULT_CANNOT_DRAW}</li>
     *            </ul>
     */
    public void onResultShowImage(int transactionNumber, int result) {}

     /**
     * Called when the draw operation for
     * {@link com.sony.smarteyeglass.extension.util.SmartEyeglassControlUtils#sendARAnimationObjectWithCallback} is completed.
     *
     * @param transactionNumber The transaction number that was passed to the sendARAnimationObjectWithCallback call which has completed.
     * @param result The processing result.
     *            <ul>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#DISPLAY_DATA_RESULT_OK}</li>
     *            <li> {@link com.sony.smarteyeglass.SmartEyeglassControl.Intents#DISPLAY_DATA_RESULT_CANNOT_DRAW}</li>
     *            </ul>
     */
    public void onResultSendAnimationObject(int transactionNumber, int result) {}

    
}