ShareException 分享异常接口：
public class ShareException extends RuntimeException {
/**
* 状态码：用户取消
*/
public static final int USER_CANCEL = 1001;
/**
* 状态码：认证失败
*/
public static final int AUTH_ERROR = 1002;
/**
* 状态码：其他异常
*/
public static final int UNKNOWN_ERROR = 1003;
/**
* 状态码：应用未安装
*/
public static final int APP_UNINSTALL = 40501;
/**
* 获取状态码
* @return
*/
public int getStatusCode() {
return this.statusCode;
}
}