This would be a solution if I didn´t have to syncronize the UI updates with the audio playback. Unfortunately in this case I have to refresh the UI according to the audio processed and in some cases 7 times per second. Right now I barely can handle 5.
On 29 mar, 00:47, Streets Of Boston <[email protected]> wrote: > Maybe you can code your app differently. Instead of publishing your > progress by your background thread (pushing progress info), your main > gui-thread could instead query for the updates (pulling progress > info). > > Save the progress of your AudioTrack's audio stream into a variable of > the background task. And have your main GUI thread poll this variable > with a fixed rate. Make sure this variable is properly synchronized > for writing and reading. > > On Mar 28, 11:33 pm, Gabriel Simões <[email protected]> wrote: > > > > > Thanks Roman... > > > Trying to optimize my code without using the ndk right now. If I don´t > > find a way out, then I get to this next step. > > > On 28 mar, 23:19, Romain Guy <[email protected]> wrote: > > > > There's no refresh limit (except the one set by the display, which is > > > usually 50 or 60 fps) in the Views system nor in AsyncTask. You are > > > probably running into performance issues. > > > > 2010/3/28 Gabriel Simões <[email protected]>: > > > > > Hello, > > > > > I´d like to get some information about Android´s maximum refresh rate > > > > when updating a view. In this specific case I´m trying to update the > > > > value displayed on a TextView on my main activity. > > > > The algorithm tries to syncronize the audio streams played using > > > > AudioTrack with updates on the view. Since I need a different thread > > > > to feed AudioTrack I created a new AsyncTask which calls > > > > publishProgress() everytime an specific event occurs in the audio. > > > > The algorithm works flawless until the update rate gets close to 4 > > > > times per second. From this to any higher refresh rate the view just > > > > don´t show the news values anymore. > > > > Does publishProgress (updateProgress) have a refresh´s period limit? > > > > If so or if not, what could I do so my asyncTask get to update the > > > > TextView as quick as I need? > > > > > *Important: I´m doing all my tests using the android emulator (sdk > > > > 1.6). > > > > > Thanks, > > > > Gabriel Simões > > > > > -- > > > > 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 > > > > > To unsubscribe from this group, send email to > > > > android-developers+unsubscribegooglegroups.com or reply to this email > > > > with the words "REMOVE ME" as the subject. > > > > -- > > > Romain Guy > > > Android framework engineer > > > [email protected] > > > > Note: please don't send private questions to me, as I don't have time > > > to provide private support. All such questions should be posted on > > > public forums, where I and others can see and answer them- Ocultar texto > > > das mensagens anteriores - > > > > - Mostrar texto das mensagens anteriores -- Hide quoted text - > > > - Show quoted text -- Ocultar texto das mensagens anteriores - > > - Mostrar texto das mensagens anteriores - -- 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 To unsubscribe from this group, send email to android-developers+unsubscribegooglegroups.com or reply to this email with the words "REMOVE ME" as the subject.
