How to get above information programatically in wp7?.please tell me idea on this....
There is no API for that, sorry. Applications in Windows Phone 7 are built in a way which forbids you to get this kind of system level information.
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Does anyone know how to access the built-in calculator from my application on Windows Phone 7? I have googled it for about 4 hours and I couldn't find an answer.
Any suggestion will be highly appreciated,
Thanks
I'm afraid this is not possible with the Windows Phone 7 SDK: for launching apps/services, you need to use Launchers but in the launchers list, there isn't the calculator.
Even on Windows Phone 8 where you have access to more launchers via URI schemes, there is no way to launch the calculator.
My Windows App reject by the Following reason:
Depending on the underlying cause of the issue encountered, the following resources may provide useful guidance to resolve:
• "Product ID": Avoid hard-coded logic based on the original Product ID. If your application design requires using logic based on a Product
ID, use the Windows Phone Store assigned non-volatile Product ID instead
Data for Windows Phone | Installation folder": Don’t write to the InstalledLocation folder in your production application release
submitted for certification (http://msdn.microsoft.com/en-us/library/windowsphone/develop/ff402541(v=vs.105).aspx)
Capability Detection": Double check that the capabilities required by your application are declared correctly. You can do this by running
the Windows Phone Capability Detection Tool, as described at How to: Use the Windows Phone Capability Detection Tool
(http://msdn.microsoft.com/en-us/library/gg180730.aspx).
Note: But My app working in my windows phone(Nokia Lumia 510) and Emulator.
I have totally confused what mistake i done in My Application.
Please give a suggestion. I am wating for all reply
Try testing on Windows Phone 8. There's been a few API changes in Windows Phone 8, which may result in failure on some functions, which works well in Windows Phone 7.
Most likely the issue is #3 - you're using a capability (data, location, etc) and not declaring it. Your app will still work in the emulator in this case, but will fail certification. Use the tool they mentioned to test this - http://msdn.microsoft.com/en-us/library/gg180730.aspx
I want to make a contact manager as I think the Windows 7 Phone is lacking a bit. I got to thinking though about a potential problem.
Right now if someone calls me and I have them in my contacts list their name will show up and I will know who they are.
I am wondering if I will be able to hook up the caller id to check out my contact list as well to see if the phone number exists in the phone.
Does anyone know if this is possible?
This is not possible neither in Windows Phone 7.x nor in Windows Phone 8. You cannot write service apps i.e. the applications that stay in the background and watch for some system events, nor replace built in applications or responses.
Sadly, this is a great limitation currently and I hope it will be overturned in the next version of OS.
From what I've seen Windows phone 7 couldn't call other applications form inside your application. Is this still the case?
Just wanting to call another application from inside my application? is this possible and if so, can someone point me in the right direction?
Much appreciated for any help.
As of Windows Phone 7.8, inter-app communication is still unavailable. It's also unlikely to be introduced in a future 7.x version.
In Windows Phone 8, you can add a Extensions/Protocol element to your WMAppManifest to reserve a URI prefix that can then be launched from another app using the Launcher class.
For more information, see MSDN:
Auto-launching apps using file and URI associations for Windows Phone 8
How can I launch a Windows Phone 7 app programmatically?
I want to launch a custom app built by me from another app built by me.. and hopefully be able to pass parameters.
I don't believe you can. As far as I'm aware, the interaction between applications is limited to the Microsoft.Phone.Tasks namespace.
I would personally expect this to be one of the aspects of Windows Phone 7 development to be improved pretty soon.