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Runtime Files Downloader is an open-source plugin for downloading files over HTTP / HTTPS at runtime.
There are two ways to install the plugin:
- Through the marketplace.
- Manual installation. Select and download the release for the required engine version, extract the archive into your plugins project folder to get the following path: "[ProjectName] / Plugins / RuntimeFilesDownloader". Afterward, regenerate the project files and rebuild the project.
If you need to save a file to storage, then you need to call DownloadFileToStorage function.
If you do not need to save the file, but just get access to the downloaded content, then you need to call DownloadFileToMemory function.
Optionally, you can specify the type of file to download by entering a MIME type in the Content Type field.
A list of the most common MIME types is listed here.
After the download has started, you can cancel it using the CancelDownload function.
Please note that starting from UE 5.4, the Timeout parameter behaves in a way that cancels the request during the download itself if the overall time taken for downloading exceeds the Timeout, which is somewhat a bug in UE. Please either specify a large value (such as 3600 seconds, which is 1 hour) or specify it as zero to disable the Timeout completely.
There is an example of a simple Android game that demonstrates the plugin's ability.