<div dir="ltr">Got it :D <div class="gmail_quote">On Mon, Aug 9, 2010 at 2:26 PM, Nordin <<a href="mailto:bouchtaoui@gmail.com">bouchtaoui@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> No problem, I'm glad I can help you. You can ask me anytime, but than I assume you tried out your code before or there is something you just don't understand, no matter how often you read an article about it. (I mean I don't like questions like how to add two variables for example). So don't hesitate to post a question ;-) <div><div></div><div class="h5"> On 9-8-2010 16:13, H. Mohammed Amine wrote: > Dude, you're great ! thnx a lot ! i hope you would answer some of my > questions next time cuz i'm a kind of n00bs :s > > On Mon, Aug 9, 2010 at 1:55 PM, Nordin<<a href="mailto:bouchtaoui@gmail.com">bouchtaoui@gmail.com</a>> wrote: > > >> On 9-8-2010 15:27, H. Mohammed Amine wrote: >> >>> great ! and what about using the threads ? >>> >>> >> Don't use threads for now, it's a horrible thing. Threads make things >> more complicated than needed. It depends on what you want. >> As far as my experience goes (on Windows with C++ and C#), you can only >> access the user interface components like buttons and text fields from >> the main thread. That's the thread your application is started from. If >> you create another thread to do some calculation, than you can't just >> access the graphic object to do the drawings. I'm sure there are tricks >> to achieve that, but than you'll end up with lots of readings and >> experimenting to have good control over it. >> >> Threads are useful if you have to wait a long time for a connection or >> data (from a serial port or from a tcp connection), in that case, >> instead of waiting all the time (which makes your UI not responding), >> it's better to do that in a separate thread and let the thread do the >> waiting. If something happens in that thread, you can inform the main >> thread with a message, signal or whatever construction they use in Java. >> In windows (using Visual C++) we have something like PostMessage() >> function call, to send a message from one thread to another. In C# I >> don't remember how to do that, but it's an ugly way to do that. >> >> So my advise is, don't use it for something like an animation, timers >> are much better and very simple to use comparing to threads. >> If you want to play with threads, we can do that next time together ;-). >> I want to write a simple chat app for Android (just for experimenting), >> we will use a thread for that (socket connection handling). If you can't >> wait, there is enough opensource code that works with threads in Java :). >> >> >> >>> On Mon, Aug 9, 2010 at 1:24 PM, Nordin<<a href="mailto:bouchtaoui@gmail.com">bouchtaoui@gmail.com</a>> wrote: >>> >>> >>> >>>> No problem, >>>> >>>> This construction is used a lot, because that keeps the user interface >>>> responsive. >>>> Imagine your animation is repeating forever in a loop, you want to be >>>> able to stop with a stop button. >>>> But because you're app is caught in a loop, you're unable to press stop, >>>> this makes your app is not responding and eats a lot of CPU resource. >>>> I don't know if you've seen a windows app freezing, well, that's the >>>> same result you'll get with your application. >>>> >>>> Using a timer your app can respond on a stop button and everything is >>>> fine ;-) >>>> I hope you understand :) >>>> >>>> >>>> >>>> On 9-8-2010 14:48, H. Mohammed Amine wrote: >>>> >>>> >>>>> nice idea ! thnx :) i'll try this >>>>> >>>>> On Mon, Aug 9, 2010 at 12:16 PM, Nordin<<a href="mailto:bouchtaoui@gmail.com">bouchtaoui@gmail.com</a>> wrote: >>>>> >>>>> >>>>> >>>>> >>>>>> On 9-8-2010 14:05, H. Mohammed Amine wrote: >>>>>> >>>>>> >>>>>> >>>>>>> No, No Compil Error i'm okeh till now !! i'm looking for how to anime >>>>>>> >>>>>>> >>>> it >>>> >>>> >>>>>>> >>>>>> ! i >>>>>> >>>>>> >>>>>> >>>>>>> think something called timer >>>>>>> thnx :) >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> Yes, a timer would be the most logical way ;-) >>>>>> I think you first try it by every time pushing on a button (manually) >>>>>> and see if your animation does what it should do. >>>>>> When everything goes fine, you can replace your button by a timer, >>>>>> >> that >> >>>>>> triggers every 200 ms. In the timer handler you do the calculation and >>>>>> than update your drawings. >>>>>> >>>>>> >>>>>> >>>>>> >>>>>>> On Fri, Aug 6, 2010 at 3:57 PM, Gmail account<<a href="mailto:allali.ayoub@gmail.com">allali.ayoub@gmail.com</a> >>>>>>> wrote: >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>>> @H Mohammed Amine ,* >>>>>>>> *what is wrong with your code ? >>>>>>>> did you have any compilation error ? >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> AYYOUB Allali >>>>>>>> JEE junior developer >>>>>>>> +(212) 644 67 79 24 >>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>>> Ubuntu-ma mailing list >>>>>>>> <a href="mailto:Ubuntu-ma@lists.ubuntu.com">Ubuntu-ma@lists.ubuntu.com</a> >>>>>>>> Modify settings or unsubscribe at: >>>>>>>> <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-ma" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-ma</a> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> >>>>>>> >>>>>> -- >>>>>> Ubuntu-ma mailing list >>>>>> <a href="mailto:Ubuntu-ma@lists.ubuntu.com">Ubuntu-ma@lists.ubuntu.com</a> >>>>>> Modify settings or unsubscribe at: >>>>>> <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-ma" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-ma</a> >>>>>> >>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>>> >>>> -- >>>> Ubuntu-ma mailing list >>>> <a href="mailto:Ubuntu-ma@lists.ubuntu.com">Ubuntu-ma@lists.ubuntu.com</a> >>>> Modify settings or unsubscribe at: >>>> <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-ma" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-ma</a> >>>> >>>> >>>> >>> >>> >>> >> >> -- >> Ubuntu-ma mailing list >> <a href="mailto:Ubuntu-ma@lists.ubuntu.com">Ubuntu-ma@lists.ubuntu.com</a> >> Modify settings or unsubscribe at: >> <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-ma" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-ma</a> >> >> > > > -- Ubuntu-ma mailing list <a href="mailto:Ubuntu-ma@lists.ubuntu.com">Ubuntu-ma@lists.ubuntu.com</a> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-ma" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-ma</a> </div></div></blockquote></div> -- <div dir="ltr">H Mohammed Amine <blockquote style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Ce Qui Ne Nous Tue Pas Nous Rends Plus Fort !</blockquote> </div> </div>