On terça-feira, 17 de setembro de 2013 11:01:15, Rutledge Shawn wrote: > On 17 Sep 2013, at 10:05 AM, noname wrote: > > Hi everyone, > > > > using Qt 5.1.1, is there a more accurate way to determine the physical > > display size or the DPI of a mobile android device, than using > > QScreen::physicalSize or QScreen::physicalDotsPerInch(X/Y)? Those values > > aren't correct on most of our testing devices. > > Example: One device has a ~218dpi display, but > > QScreen::physicalDotsPerInch (also QScreen::physicalDotsPerInchX and > > QScreen::physicalDotsPerInchY) returns ~160dpi. > > QScreen::logicalDotsPerInch returns 150. > > Then again, on some devices the correct values are reported and > > everything works as it should. > > IMO that sounds like a bug; logical can be different than physical, but > physical resolution should be correct. Please file a bug at > bugreports.qt-project.org and give details about which devices have it > correct and which don't, which SDK and NDK and API versions you are using, > etc.
Note that the bug might be in the device itself. It's not uncommon for screens to lie about their physical sizes in their EDID. -- Thiago Macieira - thiago.macieira (AT) intel.com Software Architect - Intel Open Source Technology Center
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