Ah. Perhaps you might have better luck contacting the J2ME polish or J2ME mailing lists?
On Fri, Sep 10, 2010 at 7:04 PM, kypriakos <[email protected]> wrote: > > Thanks for the good information Miguel, I appreciate it even though > I am aware of most of the code you are displaying below. > > My original question was a more general one, regarding the porting of > J2ME code into Android, something that has been an issue for many > developers who have large chunks of code in J2ME that are not easy > to rewrite. I didn't give much information about the overall goal so > you > are right, the small code segment I showed looked like a very small > update that would have taken seconds actually to port and in fact > modified to be done correctly (to avoid casting etc.). That > particular > piece of code is trying to open tcp sockets and use low lever streams > to communicate. > > I have been porting a large peer-to-peer software baseline that has > been > running successfully under J2ME. In fact most of the code I imported > in Android so far from J2ME has been working correctly and with very > good performance results. The J2ME Polish project actually has ported > the libs that I need in this case (including the javax.microedition) > for the > Android platform and that's what I have been using. > So no, I am not "lazily" importing old code, I am importing current > code > that we need to run on Android. Logically if the places where this > Connection > class is used is in the hundreds, it made sense to be more efficient > and try > to use libs of J2ME ported in Android rather than changing all those > places. > Yes - not optimal but it is what it is. > > In summary, yes you and others have answered my original question, > unless > the trafeoffs are against it, it makes sense to always try to > 'translate' everything > that you run on Android using Android's API. > > Again thanks for the good pointers below > > On Sep 10, 7:26 pm, Miguel Morales <[email protected]> wrote: >> Sounds like you're doing it wrong. One, try not to include any >> foreign APIs/Jars unless you need it. Two, instead of trying to >> lazily port old code, redo the functionality using the classes android >> provides. >> Casting is prone to bugs, if don't incorrectly, it can hide warnings >> and errors. I don't know what it is you're trying to do there. >> >> You haven't explained what it is you're trying to do. Are you trying >> to open a socket and communicate via low level streams or just http? >> >> I suspect what you're trying to do is really easy, and shouldn't have >> taken more than a few minutes to update. >> >> You'll want to create an http url using the Url class: >> >> String mUrl = "http://whatever.com";; >> URL url = new URL(mUrl); >> >> Then open a connection using URLConnection: >> >> URLConnection connection = url.openConnection(); >> >> You can then work with the stream directly using >> connection.getInputStream(), or work with BufferedReader like: >> BufferedReader in = new BufferedReader(new >> InputStreamReader(connection.getInputStream()), 8); >> >> Grab the response to a string, not recommended, but if it's not a lot of >> data: >> String line; >> while ((line = in.readLine()) != null) >> { >> response = response + line;} >> >> in.close(); >> >> On Fri, Sep 10, 2010 at 2:56 PM, kypriakos <[email protected]> wrote: >> >> > Will do - thanks >> >> > On Aug 27, 7:05 am, "[email protected]" <[email protected]> >> > wrote: >> >> How about using a semi-automated service to convert J2ME to Android ? >> >> Give it a try - free for eval purposes. Take a look atwww.upontek.com, >> >> or send me your jar to [email protected] >> >> >> Thanks !!!! >> >> >> On 27 אוגוסט, 11:28, Indicator Veritatis <[email protected]> wrote: >> >> >> > Since Android does not include the javax.microedition package, one >> >> > should not expect an exact equivalent. But we do have the >> >> > org.apache.conn and org.apache.http.* packages; some of us think these >> >> > are much better than anything in javax.microedition! >> >> >> > One should still expect to use a very little bit from java.net, e.g. >> >> > the Url and Uri classes. >> >> >> > On Aug 26, 1:40 pm, kypriakos <[email protected]> wrote: >> >> >> > > Does anyone know the equivalent of these imports from J2ME to >> >> > > Android? >> >> >> > > import javax.microedition.io.Connector; >> >> > > import javax.microedition.io.HttpConnection; >> >> > > import javax.microedition.io.SocketConnection; >> >> > > import javax.microedition.io.StreamConnection; >> >> >> > > Also, I needed to import midpapi20.jar but I don't want to use >> >> > > packages >> >> > > outside Android into my app -- would I be able to find most of the >> >> > > related packages in Android libs? >> >> >> > > Thanks very much-הסתר טקסט מצוטט- >> >> >> > -הראה טקסט מצוטט- >> >> > -- >> > You received this message because you are subscribed to the Google >> > Groups "Android Developers" group. >> > To post to this group, send email to [email protected] >> > To unsubscribe from this group, send email to >> > [email protected] >> > For more options, visit this group at >> >http://groups.google.com/group/android-developers?hl=en >> >> -- >> ~ Jeremiah:9:23-24 >> Android 2D >> MMORPG:http://developingthedream.blogspot.com/,http://diastrofunk.com,http://www.youtube.com/user/revoltingx > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en -- ~ Jeremiah:9:23-24 Android 2D MMORPG: http://developingthedream.blogspot.com/, http://diastrofunk.com, http://www.youtube.com/user/revoltingx -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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