统计子任务失败的数量 @param key {@link AbsTaskWrapper#getKey()}

构建FTP客户端

@param cacheKey 别名 + 证书路径，然后取md5

通过流创建文件 @param dest 输出路径

创建任务组命令 @param childUrl 子任务url

创建非分块的占位文件

启动断点任务时，创建单线程任务 @param record 线程记录 @param startNum 启动的线程数

新任务创建任务记录

处理线程任务 @param record 任务记录 @param threadId 线程id @param startL 线程开始位置 @param endL 线程结束位置

Decodes a Base64 String into octets @param base64String String containing Base64 data @return Array containing decoded data. @since 1.4

删除任务组记录 @param removeFile {@code true} 无论任务是否完成，都会删除记录和文件； {@code false} 如果任务已经完成，则只删除记录，不删除文件；任务未完成，记录和文件都会删除。

延迟启动定时器

删除文件夹

另外一种dp转PX方法

Encodes a byte[] containing binary data, into a String containing characters in the Base64 alphabet. @param pArray a byte array containing binary dat

Set the current data connection mode to <code>ACTIVE_LOCAL_DATA_CONNECTION_MODE</code>. No communication with the FTP server is conducted, but this c

Set the current data connection mode to <code> PASSIVE_LOCAL_DATA_CONNECTION_MODE </code>. Use this method only for data transfers between the client

A convenience method to send the FTP EPSV command to the server, receive the reply, and return the reply code. Remember, it's up to you to interpret

执行关联查询，如果不需要分页，page和num传-1 @param page 当前页 @param num 一页的数量

PROT command. <ul> <li>C - Clear</li> <li>S - Safe(SSL protocol only)</li> <li>E - Confidential(SSL protocol only)</li> <li>P - Private</li> </ul> <b>

Extract the data from a reply with a prefix, e.g. PBSZ=1234 => 1234 @param prefix the prefix to find @param reply where to find the prefix @return th

A convenience method to send the FTP FEAT command to the server, receive the reply, and return the reply code. @return The reply code received by the

查询所有数据 @return 没有数据返回null

If there are any listeners, send them the reply details. @param replyCode the code extracted from the reply @param reply the full reply text @since 3

Force buffered operations to the filesystem.

日期格式化成String @param date 将要格式化的日期字符串 @return 格式：（format格式）

创建索引文件

生成m3u8索引文件 注意：创建索引文件，{@link #merge(boolean)}方法设置与否都不再合并文件 如果是直播文件下载，创建索引文件的操作将导致只能同时下载一个切片！！

Get the count of available addresses. Will be zero for CIDR/31 and CIDR/32 if the inclusive flag is false. @return the count of addresses, may be zer

获取sdcard app的缓存目录 @return "/mnt/sdcard/Android/data/{package_name}/files/"

读取bandwidth

Retrieve the current internal buffer size for buffered data streams. @return The current buffer size.

读取byte类型缓存 @param key 缓存的key

获取字段类型

获取创建的线程任务数，需要先调用{@link #buildThreadTask(TaskRecord, Handler)}方法才能获取创建的线程任务数

获取数据库连接

生成缓存文件夹 @param uniqueName 缓存文件夹名 @return 缓存文件夹

获取当前包的系统缓存目录 "/Android/data/" + context.getPackageName() + "/cache"

如果需要在代码中修改下载配置，请使用以下方法 <pre> <code> //修改最大任务队列数 Aria.get(this).getDownloadConfig().setMaxTaskNum(3); </code> </pre>

通过地址获取下载器 @param url 子任务下载地址

Pre-calculates the amount of space needed to base64-encode the supplied array. @param pArray byte[] array which will later be encoded @param chunkSiz

读取扩展数据

获取任务组列表 @return 如果没有任务组列表，则返回null

线程名，一个子任务的loader只有一个线程，使用线程名标示key @return {@link ThreadTask#getThreadName()}

@param pathname the initial pathname @return the adjusted string with "-a" added if necessary @since 2.0

Returns the port number of the open socket on the local host used for the connection. Delegates to {@link Socket#getLocalPort()} <p> @return The port

获取指定包名下的所有类 @param path dex路径 @param filterClass 需要过滤的类

获取key @throws Exception

用于修复 Too many open files 的问题 https://github.com/AriaLyy/Aria/issues/664

Get the reported host address for active mode EPRT/PORT commands; allows override of {@link #getHostAddress()}. Useful for FTP Client behind Firewall

Fetches the restart offset. @return offset The offset into the remote file at which to start the next file transfer.

颁发服务器证书的 CA 未知 @param caAlias CA证书别名 @param caPath CA证书路径 @param protocol 连接协议

返回小数位数的匹配

获得屏幕宽度

获取屏幕参数，这个获取到的高是包含导航栏和状态栏的

获得屏幕高度

@return Returns the serverTimeZone used by this parser.

Returns the timeout in milliseconds of the currently opened socket. <p> @return The timeout in milliseconds of the currently opened socket. @throws S

读取字符串缓存