I found how to resume the download without reading the previous data
using an HTTP Range request. For others that need to do this, the
modified code is:
URL url = new URL(mInternetUrl);
HttpURLConnection connection =
(HttpURLConnection)url.openConnection
();
if (mLocalFileSize > 0) {
connection.addRequestProperty("Range", "bytes=" +
mLocalFileSize +
"-");
}
connection.connect();
int responseCode = connection.getResponseCode();
switch (responseCode) {
case HttpURLConnection.HTTP_OK:
mLocalFileSize = 0;
mInternetFileSize = connection.getContentLength();
break;
case HttpURLConnection.HTTP_PARTIAL:
// The server supports resume
mInternetFileSize = connection.getContentLength() +
mLocalFileSize;
break;
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