下载

//下载到本地的文件
val file = File.createTempFile("dowloadBigMedia", ".jpg")
//获取下载任务
val downloadTask = smh.download(
    //要下载的文件名称
    name = "uploadBigMedia.jpg",
    //所在文件夹，默认是根目录下
    dir = Directory(),
    //要下载到的本地文件路径
    localFullPath = file.absolutePath,
    //状态监听器
    stateListener = object : SMHStateListener {
        override fun onStateChange(request: SMHRequest, state: SMHTransferState) {
            Log.i("testDownloadTask", "onStateChange $state")
        }
    },
    //进度监听器
    progressListener = object: SMHProgressListener {
        override fun onProgressChange(request: SMHRequest, progress: Long, target: Long) {
            Log.i("testDownloadTask", "Progress change $progress/$target")
        }
    },
    //结果监听器
    resultListener = object: SMHResultListener {
        override fun onSuccess(request: SMHRequest, result: SMHResult) {
            Log.i("testDownloadTask", "onSuccess")
            //下载结果
            if(result is DownloadFileResult){
                Log.i("testDownloadTask", "bytesTotal: ${result.bytesTotal}")
                Log.i("testDownloadTask", "content: ${result.content.toString()}")
                Log.i("testDownloadTask", "crc64: ${result.crc64}")
                Log.i("testDownloadTask", "key: ${result.key}")
                Log.i("testDownloadTask", "meta: ${result.meta?.entries?.joinToString()}")
            }
        }
        override fun onFailure(
            request: SMHRequest,
            smhException: SMHException?,
            smhClientException: SMHClientException?
        ) {
            Log.i("testDownloadTask", "onFailure $smhException, $smhClientException")
        }
    }
)
launch {
    delay(5000)
    //暂停下载任务
    downloadTask.pause()
}
//开始下载任务
downloadTask.start()
delay(2000)
//恢复下载任务
downloadTask.resume()