How to resume quickly or restart when not possible



  • Hi,

    I'm one of the developers of the MythTV, open source DVR. Over the last several months, we've been porting our frontend (aka client) from Linux with Qt to run on Android with Qt. It has improved to the point now that some of 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 have it restart. Can that be done and if so how? Other apps like Kodi seem to work that way, but I can't figure out how they do it.

    Thanks.


  • Lifetime Qt Champion

    Hi and welcome to devnet,

    Sounds like a question you should bring to the interest mailing list. You’ll find there Qt’s Android port developers/maintainers. This forum is more user oriented.



  • Thanks, SGaist. I'll port there.


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