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Progress Listener for Downloads?

Hello,

Just wondering if anyone knows whether the Dropbox API Core (Java) supports some sort of ProgressListener capability OR will I need to write one myself?

I have a website that uses the old "dropbox-java-sdk v1.3" (org.syncloud) and this came with a class com.dropbox.client2.ProgressListener that could be used to update the UI for download progress such that the progress of larger downloads could be presented to the user i.e. % completed of total bytes read. My users now expect this so updating to below version I have regressed functionality (or so it seems).

<dependency>
  <groupId>com.dropbox.core</groupId>
  <artifactId>dropbox-core-sdk</artifactId>
  <version>[1.7,1.8)</version>
</dependency>

Anyone come across this problem or know of a solution?

Thanks in advance.

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Comments

Rich

Moved to the API forum.

Greg-DB

Unfortunately, the current version of the Java Core SDK doesn't offer a progress listener, but I'll be sure to pass this along as a request.

Aaron M.10

Thanks Gregory.

1. 11

How to Obtain the java core sdk upload / download progress ?

Greg-DB

The Java SDK still doesn't offer upload/download progress listeners, but I'll add your vote to the feature request.

Greg-DB

The Dropbox API v2 Java SDK now offers progress listeners for uploads and downloads. This has been released in v3.0.9:

https://github.com/dropbox/dropbox-sdk-java/releases/tag/v3.0.9

There's an example of using it with with the uploadAndFinish method ( https://dropbox.github.io/dropbox-sdk-java/api-docs/v3.0.x/com/dropbox/core/DbxUploader.html#uploadAndFinish-java.io.InputStream-long-com.dropbox.core.util.IOUtil.ProgressListener- ) for an upload here:

https://github.com/dropbox/dropbox-sdk-java/blob/master/examples/upload-file/src/main/java/com/dropbox/core/examples/upload_file/Main.java#L50

It works the same way with file downloads; the download method ( https://dropbox.github.io/dropbox-sdk-java/api-docs/v3.0.x/com/dropbox/core/DbxDownloader.html#download-java.io.OutputStream-com.dropbox.core.util.IOUtil.ProgressListener- ) optionally takes a ProgressListener parameter the same way.