WirelessLoggerService.java 文件源码

/**
 * A valid gsm cell must have cell id != -1
 * Note: cells with cid > max value 0xffff are accepted (typically UMTS cells. We handle them separately
 *
 * @param gsmIdentity {@link CellIdentityGsm}
 * @return true if valid gsm cell
 */
@TargetApi(JELLY_BEAN_MR1)
private boolean isValidGsmCell(final CellIdentityGsm gsmIdentity) {
    if (gsmIdentity == null) {
        return false;
    }

    final Integer cid = gsmIdentity.getCid();
    return (cid > 0 && cid != Integer.MAX_VALUE);
}