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Multi-touch ??

PostPosted: Sat Feb 12, 2011 2:44 pm
by khoa1111
Hi all,

Yesterday, I see something about multi-touch feature of Samsung Spica i5700. Spica is not a multitouch phone at manufacture default, but after install Android Eclair 2.0 and/or a hack called Samdroid Kitchen, Spica becomes a multitouch phone :shock: . After see that news, I wonder can Jet become multitouch by some patches ??

Thanks for reply
khoa1111

Re: Multi-touch ??

PostPosted: Sat Feb 12, 2011 2:52 pm
by Daenja
Spica is a capacitive touch screen device so multi touch is possible in that phone. Since Jét is a normal resistive touch screen multi touch isn't possible.

- Daenja

Re: Multi-touch ??

PostPosted: Sat Feb 12, 2011 4:09 pm
by khoa1111
After making a several search on google, though there are almost people say resistive touch screen can't be multi-touch, but I also find out Samsung SGH-A867 Eternity has multi-touch resistive touch screen, and this video on youtube


khoa1111

Re: Multi-touch ??

PostPosted: Sat Feb 12, 2011 4:25 pm
by Daenja
Yes there have been developed special resistive touchscreens that are multitouch capable but Jet's screen isn't one of those. Like I said in my earlier post "Jet has normal resistive touchscreen".

Re: Multi-touch ??

PostPosted: Sat Feb 12, 2011 4:34 pm
by khoa1111
So, multi-touch feature is jest depend on the screen or depend on something else (CPU, some IC,...) ?

Thanks
khoa1111

Re: Multi-touch ??

PostPosted: Sat Feb 12, 2011 6:06 pm
by HenriA
Well, at hardware layer it is the screen, to detect 2 points at once. Then must the OS read that output from the screen and translate it to an action.