Optimizing games for Windows Phone

Hi,
I'm making a game for "big" Windows 8 and I decided to make WP version. I noticed, that my app is really slower on smartphone, than in laptop. I wonder, how can I optimize my game? With text I didn't have a big problem, but with bitmaps and 3d
models, yes I have. I had a idea to make bitmaps with smaller count of pixels, but I thing that isn't enough. Maybe you can give me some advices of desing mobile games?

Hi MiXenXd,
Here are some best making game practice on MSDN:
Games, hope this helps.
Also you may get more suggestions from profiling tools:
Profiling Direct3D apps for Windows Phone 8
--James
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No free Angry birds for Windows phone

Android and iOS devices have free versions of the Angry Birds game. But I cannot find any free version of the Angry Birds game in the Windows Phone Marketplace.
Is there any other place where I can get the free versions of Angry Birds game for windows phone?
Solved!
Go to Solution.

As with most apps in Marketplace you can use the same file as a free trial (TRY button) or buy the full app (BUY button). So if you do not want to spend $0.99 on this game you can get the free levels just like you would when you download the free version on other platforms.
Kosh
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How to make backward compatibility of windows phone 8.1 app for windows phone 7?

I developed windows phone 8.1 app which is in windows phone store. Now, i want to make this app compatible for windows 7 also. Is it possible, if yes then how?

It may be that you are using non-backward compatible capabilities in your Windows Phone 8.1 app(s).
Developers that want to develop for different OS's usually have platforms with the different OS's on them for developing applications so they work on each platform.
I suppose you developed for Windows phone 8.1 rather than Windows phone 7. Therefore your app runs on a different framework than a Windows phone 7 has as well as probably newer hardware with greater capabilities.
So you will probably need to purchase an older phone that came with Windows phone 7 in order to develop for. I couldn't find documentation like the last link below (App capabilities and hardware requirements for Windows Phone 8) for Windows phone 7
from Microsoft but maybe you can.
Windows Phone OS 7.1 - Developing a Windows Phone Application from Start to Finish
Types of Applications
The Windows Phone application platform provides two frameworks for developing applications:
Silverlight
The Silverlight framework supports event-driven, XAML-based application development.
XNA
The XNA Framework supports loop-based games.
Silverlight and XNA can also be combined in a single application.
The following table lists some of the criteria that you can use to determine whether you should use Silverlight or the XNA Framework for your Windows Phone application. With Windows Phone OS 7.1, you can combine Silverlight and XNA into one application.
For more information about Silverlight and XNA, see
The Silverlight and XNA Frameworks for Windows Phone. For more information about the application platform, see
Application Platform Overview for Windows Phone.
What's New in Windows Phone 8.1
Platform convergence with Windows Store apps
Windows Phone 8.1 introduces an important change in the Windows Phone developer ecosystem. In this release, Windows Phone converges with the Windows Store apps platform into a single developer platform that runs the same types of apps—Windows Runtime apps.
Platform convergence began in Windows Phone 8, which supports a small subset of Windows Runtime APIs, but which differs from Windows in many core areas. In Windows Phone 8.1, there’s so much more in common—a much larger API set, a similar app model
and life cycle, a shared toolset, a common UI framework—Windows Phone and Windows Store app developer platforms truly have become one, single development platform.
Of course there are still some small differences in behavior and supported features between Windows Phone and Windows Store apps. Some of these are the result of timing of the different product cycles, and they may not appear in future releases. Some differences
are the result of the different natures of phones and computers, their sizes, and the way people use them. We encourage developers to think in terms of Windows app development—developing for a single Windows Runtime, but targeting two different platforms on
phones and computers.
Required Tools for Windows Phone Development
App capabilities and hardware requirements for Windows Phone
8
La vida loca

HP All-in-One Printer Remote App For Windows Phone 8.1 Troubleshoot

Dear HP,
Device Nokia Lumia 520
OS Windows Phone 8.1
Printer HP Officejet Pro 8600 All in One Printer
I have installed HP All-in-One Printer Remote on my smartphone as well as on my PC having Microsoft Windows 8.1. The PC app is running
fine but on my smartphone, app can't find my HP Wireless printer. All Devices(PC, Smartphone, Printer) are connected to same wireless LAN Network.
Regards
Sahyog Vishwakarma
Mob.: +91-7206369455
Yamuna Nagar
Haryana

Hi,
The app for Windows phone is a BETA version. In my case (also a Nokia) it can find my printer but when sending something to printer, printer won't print. Again, it's only a BETA version.
Regards.
BH
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Preview for Developers update for Windows Phone 8.1.1

Start your phone updates
Microsoft has just pushed out Windows Phone 8.1.1 for those participating in the Preview Developer Program.
It's believed to fix the following issues:
lingering issues with those not getting the Lumia Cyan firmware
errors in installing
and even a fix for HTC users
Source: Microsoft rolling out Preview for Developers update for Windows Phone 8.1.1 | Windows Phone Central

primortal wrote:
This bit is interesting from the Windows Phone Blog in regards to this update.
Remember, while we are releasing Lumia Cyan for a large number of phones, there still may be some of you that are not offered the Cyan update, yet. However, as explained in the blog, we’ll continue to add more Lumia devices every couple of days over the coming weeks until we bring everyone up to the latest.
Source: New Update for Windows Phone Preview for Developers
That Text is no where to be found in that blog post. Anywhere.

How is SQLite used for windows phone 8.1 in Visual Studio2013

Hi,
I'm developing app on Windows 8.1 currently. Can any one please help me with the steps to proceed so that I can create a database using SQLite for windows phone 8.1 through Visual Studio2013.

Hi SwetaSinha,
Thank you for posting in MSDN forum.
Since this forum is to discuss: Visual Studio WPF/SL Designer, Visual Studio Guidance Automation Toolkit, Developer Documentation and Help
System, and Visual Studio Editor.
Based on your issue, if you want to know how to create a database using SQLite, I suggest you can ask this issue directly to the SQLite official website:
http://www.sqlite.org/support.html, maybe you will get better support.
In addition, since the SQLite is a extension tool for the Windows Phone 8.1, so I suggest you can post this case to the SQLite for Windows Phone 8.1:https://visualstudiogallery.msdn.microsoft.com/5d97faf6-39e3-4048-a0bc-adde2af75d1b,
and then click “Q AND A”, you will get better support there.
Thanks for your understanding.
Best Regards,
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Make a flashlight App for Windows Phone 8.1 (TorchControl not supported)

I want to develop a simple flashlight app for Windows Phone 8.1 (non Silverlight). I used the TorchControl but it returns a false when i tried to run on my Device
Here is the code i Used
private async void SwitchOn(object sender, RoutedEventArgs e)
var mediaDev = new MediaCapture();
await mediaDev.InitializeAsync();
var videoDev = mediaDev.VideoDeviceController;
var tc = videoDev.TorchControl;
if (tc.Supported)
if (tc.PowerSupported)
tc.PowerPercent = 100;
tc.Enabled = true;
else
res.Text = "not Supported";
Is there any other way to do that..
Thanks In Advance.
Gopal Kandoi

Hi Gopal,
I would also suggest you to try the solution from this post:
https://social.msdn.microsoft.com/Forums/en-US/329c40e7-fa9a-4a27-8347-b4a80100842e/cant-turn-on-lumia-1520-wp-81-flashlight-use-videodevicecontrollertorchcontrol?forum=wpdevelop
Start the video capture first and then start the torch control.
--James
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SQLite3-WinRT / SQLite3Component for Windows Phone 8.1 (HTML5 & JavaScript)

Dear all
I am a newbie in the developpement for Windows 8.1 and Windows Phone 8.1.
After a few weeks reading books and watching videos to learn developping Windows Store Apps 8.1 with HTML5 and JavaScript, I have started my very first serious application as a Universal Windows Store App using visual studio 2013 community edition. I would
like to use SQLite for persisiting the data of my application.
I installed the necessary extensions to VS2013 both for windows 8.1 and windows phone 8.1 (SDK + SQLite extension)
I cloned the SQLite3-WinRT projet from GitHub, and, as VS2013 asked it, run the targetting process to upgrade to Windows 8.1.
I successfully installed and tested SQLite3-WinRT using Javascript for the WIndows 8.1 part of my project.
But when i tried to add the SQLite3Component project as a reference to my Windows Phone 8.1 project, VS2013 complained that SQLite3Component project is an invalid reference for a windows phone project... I can understand this as the SQLite3Component project
seems to be a windows 8 only project.
I have been looking for a solution for two days now without success and decided therefore to post my question here: is there a SQLite3Component project targetted for WINdows Phone 8(.1)? If not, what are my alternatives for persisting potentially large amount
of data with advanced search queries locally on a windows phone?
Thank you for any help the comunity could give me.
Regards
François

While not specifically talking about JavaScript/HTML5 this article series outlines how to use SQLite in Universal App projects:
http://blog.tpcware.com/2014/04/universal-app-with-sqlite-part-1/
I have already used it from C# and given that we're talking about WinRT components it should be accessible from WinJS as well. Hope it helps.

No Jabber client for Windows Phone 8.1

Can you advise on when a Jabber client for Windows Phone 8.1 will be released?

Roadmap questions cannot be addressed here, either ask in a partner forum, or reach your SE/AM for this.

QuickControl app for Windows Phone 8.1???

Hello,
I'm totally happy with my Thinkpad X240 but I would like to be able to use remote control -for instance to pause/resume VLC player when the Thinkpad is hooked up to my TV. I read that Lenovo has this great program 'QuickControl', but you obviously need an accompanying app on your smartphone.
I can find the app for iOS and Android, but I happen to own a Windows Phone (with WP8.1)... Since I'm trying to build a 'Windows Only' life after mixed experiences with Android and OSX, I would really like the QuickControl app to be available for Windows Phone. I guess it would make sense for Lenovo -being a manufacturer of PC's- to also develop QuickControl for the Windows Phone...
Does any of you community members know where to find this app, or if/when it will become available? Or do you know another WP app that can communicate with QuickControl installed on a Thinkpad X240?
Any help is much appreciated. Oh, and by the way: Happy Holidays everyone!

Nice free

Renderpdf for Windows Phone 8.1

Hi,
I am trying to build a windows phone 8.1 app in which I want to render a PDF (with possible zoomed view) and display it and also I want to generate images from that PDF. Is there any third party component for doing this task?
Thanks in advance.

UPDATE
According to these links and the comments from Mitch Denny, can somebody confirm that .appx files (company apps) cannot be deployed/installed on windows phone 8.1 yet?
http://blogs.technet.com/b/windowsintune/archive/2014/05/12/what-s-coming-next-with-windows-intune.aspx
http://blogs.technet.com/b/windowsintune/archive/2014/04/28/availability-of-update-to-windows-intune-for-windows-phone-8-1-and-samsung-knox-standard.aspx
I would really appreciate if someone can confirm me this, because im struggling with this since days and there is no official statement from MS.
Thanks

Inking for Windows Phone 8.1 (Not Silverlight)

Is there any way to use Inking for Windows phone 8.1 application. I am able to use it in Silverlight application for freehand drawing.
But is there anything available to use for this purpose in WinRT?

Hi Morichi,
As far as I known in Windows Phone 8.1 Runtime there is no such a Inking api or control as in Windows Phone 8.1 Silverlight app. If you want to implement the inking function in Windows phone 8.1 Runtime application, please try to refer to
the @Rob Caplan - MSFT's reply in this thread:
http://stackoverflow.com/questions/28862500/inking-for-windows-phone-8-1-not-silverlight .
Best Regards,
Amy Peng
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Is Cisco VPN posible for Windows Phone 8.1

Hello,
Microsoft released Windows Phone 8.1 on April and it supports VPN connections.
So I would like to ask:
Is Cisco going to release Anyconnect Secure Mobility Client for Windows Phone 8.1?
Maybe someone managed to make clientless connection with ASA 9.1( for example IKEv2 or SSL-VPN) ?
Or should I abandon idea of connecting WP 8.1 with ASA?
Thanks.

Hi aurimas88 ,
Looks like AnyConnect Secure Mobility Client 2.5 is supported for windows phone , however W 8.1 mobile has not been tested by Cisco , We cannot guarantee compatibility.
AnyConnect Secure Mobility Client 3.0 Windows Mobile Devices Not Supported
AnyConnect version 3.0 and later do not support Microsoft Windows Mobile or Windows Phone. However, you can continue to use the ASA to deploy the AnyConnect 2.5 or earlier client for Windows Mobile even after loading the AnyConnect 3.0 package files to the ASA for web deployment.
AnyConnect Secure Mobility Client 2.5 Windows Mobile Devices Supported
We designed AnyConnect 2.5 for compatibility with Windows Mobile 6.5, 6.1, 6.0 and 5.0 Professional and Classic for touch-screens only. Users have reported success with most touch-screens running these versions of Windows Mobile. However, to ensure interoperability, we guarantee compatibility only with the devices we test, as follows:
HTC Imagio running Windows Mobile 6.5
HTC Tilt 2 running Windows Mobile 6.5
HTC Touch running Windows Mobile 6.0
HTC TyTN running Windows Mobile 5.0
Samsung Epix running Windows Mobile 6.1
Samsung Omnia Pro 4 running Windows Mobile 6.5
Samsung Omnia running Windows Mobile 6.1
Samsung Saga running Windows Mobile 6.1
Source:
http://www.cisco.com/c/en/us/td/docs/security/asa/compatibility/asa-vpn-compatibility.html#pgfId-181897
Hope this helps

Windows Intune support deployment for windows phone (8.1) *.appx files

Hi
We are trying to deploy a windows phone 8.1 appx file with intune (over sccm console). the appx file is signed with a valid symantec certificate.
the installation of the app fails, either when we upload the file as "Required" (so pushing it automatically to the devices) or when we make the app on the company portal app available.
in the sccm console the deployment status says failed -> unkonwn error.
when we use .xap file of an windows 8.0 app, it works like a charm and the xap file is signed with the same certificate.
My question is, is there no support for publishing windows phone 8.1 appx files on Intune? Or what can it be?
Thanks for any hints

UPDATE
According to these links and the comments from Mitch Denny, can somebody confirm that .appx files (company apps) cannot be deployed/installed on windows phone 8.1 yet?
http://blogs.technet.com/b/windowsintune/archive/2014/05/12/what-s-coming-next-with-windows-intune.aspx
http://blogs.technet.com/b/windowsintune/archive/2014/04/28/availability-of-update-to-windows-intune-for-windows-phone-8-1-and-samsung-knox-standard.aspx
I would really appreciate if someone can confirm me this, because im struggling with this since days and there is no official statement from MS.
Thanks

Will MDM for windows phone 8.0 support for windows phone 8.1

We have successfully implemented MDM solution for windows phone 8.0 . Enrolment and polling working properly.
Now devices will come for windows phone 8.1 .Will this existing system work for 8.1 also? Or is there any changes need to be done?

As far as I am aware it will be ok. 8.1 just exposes additional functionality and CSP's available to be manipulated.
I will double check on that to be 100% sure.

Optimizing games for Windows Phone

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