Hi David. For the past 3-4 years I've been actively doing Android/Qt development and I have never had such an issue. On many different Android boxes, TVs and phones I haven't had something like that, not even on Nvidia shield. Resume always happens in a matter of seconds even after standby or long time being in background. You could play around with options like setting true for android:alwaysRetainTaskState or changing android:launchMode. I would develop and test basic Android/Qt app to see what happens in your case and then go from there.
Which Qt version are you using? Best regards, Petar On Wed, Aug 8, 2018 at 8:47 AM René Hansen <ren...@gmail.com> wrote: > As far as I know, Kodi is open source. So is their Android client: > > https://kodi.wiki/view/Android_development > > Maybe check it out for inspiration. > > > /René > > On Tue, 7 Aug 2018 at 21:35 David Engel <da...@istwok.net> wrote: > >> Hi, >> >> I'm one of the developers of the MythTV, open source DVR. Over the >> last several months, we've ported our frontend (aka client) from Linux >> with Qt to run on Android with Qt. It's to the point now that some of >> us are using Nvidia Shield TVs as our primary frontends. >> >> One annoying problem that remains is that resuming the app can >> sometimes take several minutes. By resume I mean switching back to >> the app after the device has been sleeping for several hours or other >> apps have been in use. I know Android doesn't have traditional swap >> like Linux, so I can only assume that the Android system and/or the Qt >> framework is saving and restoring significant process state somewhere. >> What I'd like to do is have our app resume where it was but only if >> that can be done in a few seconds. If it can't resume quickly, then >> want it to disregard any previous state and restart. How can I do >> that? Other apps like Kodi seem to work that way, but I can't figure >> out how they do it. >> >> Thanks, >> David >> -- >> David Engel >> da...@istwok.net >> _______________________________________________ >> Interest mailing list >> Interest@qt-project.org >> http://lists.qt-project.org/mailman/listinfo/interest >> > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest >
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