https://bugbase.adobe.com/index.cfm?event=bug&id=3949775



On Sat, Mar 7, 2015 at 10:48 AM, Deepak MS <[email protected]> wrote:

> Thanks Alex. Yes, Ill file it. And hope something shall be done about it.
> Just like retina display ipads, am sure many users would lean towards
> retina display laptops too.
>
> Cheers!
> On 5 Mar 2015 12:04, "Alex Harui" <[email protected]> wrote:
>
>> I’m not sure that 1980 counts as a Retina-class display.  IIRC, the player
>> has reported 72dpi for desktop screens forever.  I think you can also get
>> it to report 120dpi in some cases, but I don’t think they’ve tried to
>> introduce useful screenDensity except on mobile devices.  You can try
>> filing a bug at bugbase.adobe.com and see what they have to say.  They
>> could have changed something else recently that I’m unaware of.
>>
>> -Alex
>>
>>
>> On 3/3/15, 11:55 PM, "Deepak MS" <[email protected]> wrote:
>>
>> >Yes.
>> >It's just a recommended screen resolution which user can change under
>> >system's display(shown in image in the link below):
>> >http://pbrd.co/1M66RiC
>> >
>> >If I change the resolution to 1280 x 1024, then
>> >Capabilities.screenResolutionX and Y give me 1280 and 1024, which are
>> >correct values. Only problem is the DPI value.
>> >
>> >
>> >On Wed, Mar 4, 2015 at 12:54 PM, Alex Harui <[email protected]> wrote:
>> >
>> >> Is the laptop screen actually 1920 x 1080?
>> >>
>> >> On 3/3/15, 10:51 PM, "Deepak MS" <[email protected]> wrote:
>> >>
>> >> >Hi Alex,
>> >> >No luck ;(
>> >> >
>> >> >I updated to Flex4.14 FP 16 AIR 16.
>> >> >
>> >> >Sample code that I have been trying:
>> >> >
>> >> ><?xml version="1.0" encoding="utf-8"?>
>> >> ><s:Application xmlns:fx="http://ns.adobe.com/mxml/2009";
>> >> >               xmlns:s="library://ns.adobe.com/flex/spark"
>> >> >               xmlns:mx="library://ns.adobe.com/flex/mx"
>> minWidth="955"
>> >> >minHeight="600"
>> >> >               runtimeDPIProvider="AppRuntimeDPI"
>> >> >
>> >> >creationComplete="application1_creationCompleteHandler(event)">
>> >> >    <s:layout>
>> >> >        <s:VerticalLayout/>
>> >> >    </s:layout>
>> >> >    <fx:Script>
>> >> >        <![CDATA[
>> >> >            import mx.events.FlexEvent;
>> >> >
>> >> >            protected function
>> >> >application1_creationCompleteHandler(event:FlexEvent):void
>> >> >            {
>> >> >                ta.text = '';
>> >> >                ta.text += "Capabilities.screenDPI : "+
>> >> >Capabilities.screenDPI.toString(); //72 in both normal laptop and HD
>> >> >laptop
>> >> >                ta.text += "\nCapabilities.screenResolutionX : "+
>> >> >Capabilities.screenResolutionX.toString();//1600 in normal laptop and
>> >>1920
>> >> >in HD laptop
>> >> >                ta.text += "\nCapabilities.screenResolutionY : "+
>> >> >Capabilities.screenResolutionY.toString();//900 in normal laptop and
>> >>1080
>> >> >in HD laptop
>> >> >
>> >> >            }
>> >> >
>> >> >        ]]>
>> >> >    </fx:Script>
>> >> >    <s:Button label="Hello"/>
>> >> >    <s:TextInput/>
>> >> >    <s:DropDownList/>
>> >> >    <s:Label text="Hello Label"/>
>> >> >    <s:NumericStepper />
>> >> >    <s:TextArea id="ta" width="100%"/>
>> >> ></s:Application>
>> >> >
>> >> >AppRuntimeDPI.as :
>> >> >
>> >> >package
>> >> >{
>> >> >    import mx.core.DPIClassification;
>> >> >    import mx.core.RuntimeDPIProvider;
>> >> >
>> >> >    public class AppRuntimeDPI extends RuntimeDPIProvider
>> >> >    {
>> >> >        public function AppRuntimeDPI()
>> >> >        {
>> >> >            //super();
>> >> >        }
>> >> >
>> >> >        override public function get runtimeDPI():Number
>> >> >        {
>> >> >// cannot check for this condition too as screenDPI for any
>> >>laptop(normal
>> >> >or HD) is returned as 72 always. Moreover, any DPI value that I assign
>> >> >here, doesn't have any effect on the screen element sizes. It's always
>> >> >same
>> >> >for all values.
>> >> >
>> >> >            // A tablet reporting an incorrect DPI of 240.
>> >> >            /*if (Capabilities.screenDPI == 240 &&
>> >> >            Capabilities.screenResolutionX == 600 &&
>> >> >            Capabilities.screenResolutionY == 1024)
>> >> >            {
>> >> >            return DPIClassification.DPI_160;
>> >> >            }
>> >> >
>> >> >            return super.runtimeDPI;*/
>> >> >            return DPIClassification.DPI_240;
>> >> >        }
>> >> >    }
>> >> >}
>> >> >
>> >> >
>> >> >On Tue, Mar 3, 2015 at 10:30 PM, Deepak MS <[email protected]>
>> >> >wrote:
>> >> >
>> >> >> Hmmm okay. I'll give it a try and let you know. Just hope it works.
>> >> >> On 3 Mar 2015 21:21, "Alex Harui" <[email protected]> wrote:
>> >> >>
>> >> >>> Try the latest AIR SDK?
>> >> >>>
>> >> >>> On 3/3/15, 5:28 AM, "Deepak MS" <[email protected]> wrote:
>> >> >>>
>> >> >>> >
>> >> >>>
>> >> >>>
>> >>
>> http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/mx/co
>> >> >>>re
>> >> >>> >/RuntimeDPIProvider.html
>> >> >>> >I have tried this on Flex 4 application(4.13, FP15, AIR15) and I'm
>> >> >>>afraid
>> >> >>> >it isn't working as expected. I tried to create a runtime class
>> and
>> >> >>>DPI
>> >> >>> >value was overridden. But still there is no change. All screen
>> >> >>>elements
>> >> >>> >look very small than normal.
>> >> >>> >
>> >> >>> >Has anybody come across this case on laptops(high DPI\retina
>> >> >>>display\HD)?
>> >> >>> >
>> >> >>> >On iPad retina display, it works out of the box without any
>> >> >>> >runtimedpiprovider class when I use flex 4.13 but not on this
>> >>laptop.
>> >> >>> When
>> >> >>> >I checked Capabilites.screenDPI, I get the value as 72. Looks like
>> >> >>>value
>> >> >>> >returned isn't correct nor is it getting overridden.
>> >> >>> >
>> >> >>> >Any ideas?
>> >> >>> >
>> >> >>> >PS: I'm testing this on Dell latitude E7440.
>> >> >>>
>> >> >>>
>> >>
>> >>
>>
>>

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