[Interest] Physical Display Size on Android

[Rutledge Shawn]

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.