New API for querying audio properties

            return null;

        }

    }

    /**

     * Used as a key for #getProperty to request the native or optimal output sample rate for

     * this device, in decimal Hz.

     * {@hide}

     */

    public static final String PROPERTY_OUTPUT_SAMPLE_RATE =

            "android.media.property.OUTPUT_SAMPLE_RATE";

    /**

     * Used as a key for #getProperty to request the native or optimal output buffer size for

     * this device, in decimal PCM frames.

     * {@hide}

     */

    public static final String PROPERTY_OUTPUT_FRAMES_PER_BUFFER =

            "android.media.property.OUTPUT_FRAMES_PER_BUFFER";

    /**

     * @param key One of the strings corresponding to a property key: either

     *            #PROPERTY_OUTPUT_SAMPLE_RATE or #PROPERTY_OUTPUT_FRAMES_PER_BUFFER

     * @return A string representing the associated value for that property key,

     *         or null if there is no value for that key.

     * {@hide}

     */

    public String getProperty(String key) {

        // uses android.os.SystemProperties.get for selected keys, with suitable defaults

        return null;

    }

}