If your code is going to access a site every 10 seconds, the radio is
going to, essentially, stay "on" continuously. This is going to have
a significant impact on your users' battery life. Is this definitely
what you want to do?
On Mon, Nov 24, 2008 at 5:17 AM, joshv <[EMAIL PROTECTED]> wrote:
>
> I am attempting to write an application that regularly polls data from
> a publicly available website using a URLConnection. The code is
> pretty basic (urlStr contains the URL...)
>
> URL url = new URL(urlStr);
> URLConnection urlConn = url.openConnection();
> urlConn.setConnectTimeout(5000);
> BufferedReader in = new BufferedReader(new InputStreamReader
> (urlConn.getInputStream()));
> String line;
> while ((line = in.readLine())!=null) { ....
>
> Anyway, even when the G1 is connected to the network (verified in
> browser) this block of code will regularly throw
> java.net.SocketException: No route to host,
> java.net.SocketTimeoutException: Socket is not connected (though this
> is probably because I added a timeout), and many times throw an
> Exception claiming that it could not resolve the hostname in urlStr -
> oddly the web browser has no such issues resolving the name.
>
> The above block of code runs every 10 seconds (or longer if the
> previous request takes longer), and I'd guess succeeds approximately
> 25-50% of the time, though it tends to be a bit streaky. When the
> connection succeeds, it take less than a second to connect and
> download the data, it's a very small data set - so the timeout setting
> should not be an issue.
>
> The periods of error do not correspond to a loss of connectivity, as I
> can browser the web at the same time the errors are happening. This
> happens whether connected to local wi-fi or 3G.
>
> Am I doing something wrong, or is network connectivity on the G1 just
> this flaky?
>
>
> >
>
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