On Mon, Jan 11, 2016 at 9:19 PM, Robert Park <robert.p...@canonical.com> wrote: > But dynamically changing between a desktop and a phone doesn't make, eg, the > accelerometer appear and disappear. > > So if you have code that says "if phone: use accelerometer", can you see how > broken that is? Plugging in a screen and keyboard will effectively disable > your accelerometer, because your code assumes desktops don't have those. > > You should absolutely not be writing code that makes assumptions about what > features desktops have or what phones have. > > You need to detect the feature itself and use it if you have it. >
+1, if a specific *scenario* (like "TV") results in a feature to be disabled, the respective middleware has to report this to apps. The app should not take such decisions on its own. > On Jan 11, 2016 12:08 PM, "Lorn Potter" <lorn.pot...@canonical.com> wrote: >> >> >> >> On 12/01/16 05:35, Robert Park wrote: >>> >>> But the point is that you can't have coffee that says "if desktop: x; if >>> phone: y" because it can change at any time and you can't rely on that. >> >> >> Yes this desktop/phablet mode thing would be dynamic. It can change at any >> time, which is why it needs to be detected dynamically. >> >> When you connect bt keyboard & external display, phone is now in desktop >> mode. When you flip back your laptop's touchscreen, it's it now phablet >> mode. It already does the first one except there is no API to let developers >> know for certain what mode it is in. >> >>> >>> **MUCH** better user experience if you do feature detection, eg "if >>> push_notifications_available: enable_push_notifications()", this way >>> they work everywhere they exist, rather than trying to guess whether or >>> not they exist by making assumptions about what is a "phone" vs what is >>> a "desktop". >>> >> >> It really depends on what you are doing. >> >> We can either provide an API to do so or developers will try and guess >> these things on their own. > > > -- > Mailing list: https://launchpad.net/~ubuntu-phone > Post to : ubuntu-phone@lists.launchpad.net > Unsubscribe : https://launchpad.net/~ubuntu-phone > More help : https://help.launchpad.net/ListHelp > -- Mailing list: https://launchpad.net/~ubuntu-phone Post to : ubuntu-phone@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-phone More help : https://help.launchpad.net/ListHelp
