程序包 ohos.miscservices.download

接口 IDownloadListener

public interface IDownloadListener

Provides callbacks to listen for download session status.

Application programs can implement this interface and register listeners with the system by calling DownloadSession#addListener(IDownloadListener).

An application program can use the callbacks to listen to a download session for state changes. To remove the listeners, call DownloadSession#removeListener(IDownloadListener).

从以下版本开始:

1

SystemCapability

SystemCapability.Miscservices#DOWNLOAD

方法概要

限定符和类型	方法	说明
default void	onCompleted()	Called when the current download session is completed.
default void	onFailed(int errorCode)	Called when the current download session fails.
default void	onPaused()	Called when the current download session is paused.
default void	onProgress(long receivedSize, long totalSize)	Called when the current download session is in process.
default void	onRemoved()	Called when the current download session is deleted.

方法详细资料

onRemoved

default void onRemoved()

Called when the current download session is deleted.

onCompleted

default void onCompleted()

Called when the current download session is completed.

onFailed

default void onFailed(int errorCode)

Called when the current download session fails.

参数:

errorCode - Indicates the error code.

onPaused

default void onPaused()

Called when the current download session is paused.

onProgress

default void onProgress(long receivedSize,
                        long totalSize)

Called when the current download session is in process.

This callback notifies the application of the received file size and total size.

参数:

receivedSize - Indicates the number of received bytes.

totalSize - Indicates the total number of bytes.