BoardConnectionState

设置背景图片后的图片加载状态。

/**
 * 背景图片加载状态
 */
enum BoardImageStatus {
  BOARD_IMAGE_STATUS_LOADING = 1,
  BOARD_IMAGE_STATUS_LOAD_DONE,
  BOARD_IMAGE_STATUS_LOAD_ABORT,
  BOARD_IMAGE_STATUS_LOAD_ERROR,
  BOARD_IMAGE_STATUS_LOAD_TIMEOUT,
  BOARD_IMAGE_STATUS_LOAD_CANCEL,
}

BOARD_IMAGE_STATUS_LOADING

BOARD_IMAGE_STATUS_LOADING = 1

图片正在加载

BOARD_IMAGE_STATUS_LOAD_DONE

BOARD_IMAGE_STATUS_LOAD_DONE = 2

图片加载完成

BOARD_IMAGE_STATUS_LOAD_ABORT

BOARD_IMAGE_STATUS_LOAD_ABORT = 3

图片加载中断

BOARD_IMAGE_STATUS_LOAD_ERROR

BOARD_IMAGE_STATUS_LOAD_ERROR = 4

图片加载错误。监听到此错误码时，需要重新调用接口设置

BOARD_IMAGE_STATUS_LOAD_TIMEOUT

BOARD_IMAGE_STATUS_LOAD_TIMEOUT = 5

图片加载超时。监听到此错误码时，需要重新调用接口设置

BOARD_IMAGE_STATUS_LOAD_CANCEL

BOARD_IMAGE_STATUS_LOAD_CANCEL = 6

图片取消加载