How to display a progress bar on download the file?

Hello

Is it possible to display a progress on the blackberry.io.filetransfer.download function bar? I don't know how to get a file size before downloading from the server? I noticed bbui.js has also a progress indicator that works ok if I knew how to calculate the total size of the file before you download and change the size of the file in bytes on the device.

Thank you

Finally, I found a solution for this proglem. You must use html5 XMLHttpRequest to which you can link the onprogress event and calculate procent of the loaded data. https://github.com/BlackBerry/BB10-WebWorks-samples/tree/master/fileTransfer is an example for this, but unfortunately a pure html5 file transfer does not work here because blobbuilder has been deprecated. Thr disadvantage of this approach is that all of the loaded data is kept in memory before writing to a file system and it is not suitable for large files. The device is out of memory and the operating system closes all windows/applications open in the end, it will close even the running application

Tags: BlackBerry Developers

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