String bucket = "examplebucket-1250000000"; // Bucket, formatted as BucketName-APPID
String cosPath = "exampleobject"; // The location identifier of the object in the bucket, i.e., the object key
String savePath = context.getExternalCacheDir().toString(); // Local path

GetObjectRequest getObjectRequest = new GetObjectRequest(bucket, cosPath,
        savePath);
getObjectRequest.addQuery("imageMogr2/format/tpg", null);

cosXmlService.getObjectAsync(getObjectRequest, new CosXmlResultListener() {
    @Override
    public void onSuccess(CosXmlRequest cosXmlRequest,
                          CosXmlResult cosXmlResult) {
        GetObjectResult getObjectResult = (GetObjectResult) cosXmlResult;
    }

    // If you use the Kotlin language to call this, please note that the exception in the callback method is nullable; otherwise, the onFail method will not be called back, that is:
    // clientException is of type CosXmlClientException? and serviceException is of type CosXmlServiceException?
    @Override
    public void onFail(CosXmlRequest cosXmlRequest,
                       @Nullable CosXmlClientException clientException,
                       @Nullable CosXmlServiceException serviceException) {
        if (clientException != null) {
            clientException.printStackTrace();
        } else {
            serviceException.printStackTrace();
        }
    }
});