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I have a few questions for building apps.
Can u make apps using c++?
How do I get an app from my testing environment onto my windows phone 8?
Do I have to worry about cross phone compatibility?
paying $200 to put apps on the marketplace is extremely out of the question. I just want to test my app on my actual phone.
I assume you are trying to develop windows phone 8 apps, and yes you can develop using c++, but you have to read up on async await, as the sdk have tons of it in order to give the fluid user experience.
And the last time I checked, the developer account only costs $25 now
Well Yes!
You need to unlock your Windows Phone to actually test in on a Hardware Device.
You don't need to worry about the compatibility, but you should take note of the High-Res Phones that are in the Market too.
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Can someone please help me to better understand how NFC-enabled smartphones work? Is it controlled by an app on the smartphone or by the device itself?
Thanks!
NFC stands for Near Field Communication. Apps control the NFC chip/antenna that is built in the phone. So a phone without the NFC hardware, could never have an NFC app work on it. So you do need both in order for it to work.
Basically think of NFC just like bluetooth, only that NFC has an effective range of around 4-5cm and not any further.
I think this like might help: http://www.androidauthority.com/how-it-works-nfc-near-field-communication-97144/
If there is anything else specifically that you don't understand, please say so.
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My understanding of the tool is that it helps people learn about programming by making it easy to create android apps. Is it just for educational purposes or can you actually build a commercial quality app with it?
I know the backend of a professional app would have to be written using something else but is it good enough to create an entire front end android app?
If people are making real apps with it, what are some examples?
Yes, you can
To find some examples do the following:
1. search the App Inventor forums here and here
2. search Google Play
3. take a look at the App Inventor Classic App Gallery thread
4. ask in the App Inventor forum
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I can't find a straight answer for compatibility issues between WP7 and new WP8.
For example: what if some popular apps like facebook, twitter will be updated to WP8? Will they still work on WP7 (7.8)? Or the latest WP7-compatible version will stay in Marketplace for WP7 users and new fo WP8 will be just for WP8 users?
I'm asking because many of my friends are interested in buying Lumia 800 in great price, but they worried about limited number of apps in future.
Cheers!
The latest WP7-compatible version will stay in Marketplace for WP7 users
Exactly. And developers can continue to update the WP7 version of an app even when a WP8 version has been published.
If an application is compiled for Windows Phone 8, it will NOT work on Windows Phone 7.x.
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I am trying to start some mobile development adventure. The Windows Phone looks promising to me. But I don't want to take the wrong path.
So, what's the difference between WP7.5 and WP8 from a developer's perspective?
Will the skillset for WP7.5 still apply to WP8?
Difference? Nothing, really. The IDE is now VS2012, and you need Windows 8. The Emulator is running Hyper-V, and is a lot faster.
If you make games, you'll be have to learn DirectX instead of XNA. But for regular apps, there's no difference to the development.
You can of course use C++/CX now, should you wish it, but in reality everything is still C# 5 and XAML.
My recommendations would be to continue learning WP7, C# and XAML. Read about the new features in C# 5, specially async programming, and learn how it can enhance your development.
Right now we don't yet know the definitive details (unless someone with access to the preview SDK can expand on that) however it is unlikely that the basics will change too much.
Current standard WP7.5 apps should run on WP8 - Microsoft has said they will be centrally adjusting the apps for this compatibility.
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I have 12 different apps on WP7 platform and the trial versions use Microsoft Advertising to display ads.
Should I be creating an AdUnit for each app separately on PubCenter or should I create a single AdUnit and use it for all my apps.
Does this even matter? I mean, if the apps have a single adunit, can it make more money (eCPM)
Thanks in advance.
An ad unit is the space on a webpage where ads are displayed. An ad unit can display one or more ads. You determine how you want an ad unit to look, where you want it to appear on a page, and what kind of ad content you'd like to see displayed. You can add different ad units to different pages on your website, or use a single ad unit for all webpages.
From: Microsoft Pubcenter