OSSAsyncTask task = oss.asyncGetObject(...);

task.cancel(); // Cancel the task

task.waitUntilFinished(); // Wait till the task is finished

GetObjectResult result = task.getResult(); // Block other requests and wait for the returned results

String endpoint = "http://oss-cn-hangzhou.aliyuncs.com";

//if null , default will be init
ClientConfiguration conf = new ClientConfiguration();
conf.setConnectionTimeout(15 * 1000); // connction time out default 15s
conf.setSocketTimeout(15 * 1000); // socket timeout，default 15s
conf.setMaxConcurrentRequest(5); // synchronous request number，default 5 
conf.setMaxErrorRetry(2); // retry，default 2
OSSLog.enableLog(); //write local log file ,path is SDCard_path\OSSLog\logs.csv

OSSCredentialProvider credentialProvider = new OSSStsTokenCredentialProvider("<StsToken.AccessKeyId>", "<StsToken.SecretKeyId>", "<StsToken.SecurityToken>");

OSS oss = new OSSClient(getApplicationContext(), endpoint, credentialProvider, conf);

// Construct an upload request
PutObjectRequest put = new PutObjectRequest("<bucketName>", "<objectKey>", "<uploadFilePath>");

// You can set progress callback during asynchronous upload
put.setProgressCallback(new OSSProgressCallback<PutObjectRequest>() {
	@Override
	public void onProgress(PutObjectRequest request, long currentSize, long totalSize) {
		Log.d("PutObject", "currentSize: " + currentSize + " totalSize: " + totalSize);
	}
});

OSSAsyncTask task = oss.asyncPutObject(put, new OSSCompletedCallback<PutObjectRequest, PutObjectResult>() {
	@Override
	public void onSuccess(PutObjectRequest request, PutObjectResult result) {
		Log.d("PutObject", "UploadSuccess");
	}

	@Override
	public void onFailure(PutObjectRequest request, ClientException clientExcepion, ServiceException serviceException) {
		// Request exception
		if (clientExcepion != null) {
			// Local exception, such as a network exception
			clientExcepion.printStackTrace();
		}
		if (serviceException != null) {
			// Service exception
			Log.e("ErrorCode", serviceException.getErrorCode());
			Log.e("RequestId", serviceException.getRequestId());
			Log.e("HostId", serviceException.getHostId());
			Log.e("RawMessage", serviceException.getRawMessage());
		}
	}
});

// task.cancel(); // Cancel the task

// task.waitUntilFinished(); // Wait till the task is finished

// Construct an object download request
GetObjectRequest get = new GetObjectRequest("<bucketName>", "<objectKey>");

OSSAsyncTask task = oss.asyncGetObject(get, new OSSCompletedCallback<GetObjectRequest, GetObjectResult>() {
	@Override
	public void onSuccess(GetObjectRequest request, GetObjectResult result) {
		// Request succeeds
		Log.d("Content-Length", "" + getResult.getContentLength());

		InputStream inputStream = result.getObjectContent();

		byte[] buffer = new byte[2048];
		int len;

		try {
			while ((len = inputStream.read(buffer)) != -1) {
				// Process the downloaded data
			}
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	@Override
	public void onFailure(GetObjectRequest request, ClientException clientExcepion, ServiceException serviceException) {
		// Request exception
		if (clientExcepion != null) {
			// Local exception, such as a network exception
			clientExcepion.printStackTrace();
		}
		if (serviceException != null) {
			// Service exception
			Log.e("ErrorCode", serviceException.getErrorCode());
			Log.e("RequestId", serviceException.getRequestId());
			Log.e("HostId", serviceException.getHostId());
			Log.e("RawMessage", serviceException.getRawMessage());
		}
	}
});

// task.cancel(); // Cancel the task

// task.waitUntilFinished(); // Wait till the task is finished as needed