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Sams Teach Yourself Windows® 8 Apps with JavaScript and HTML5 in 24 Hours by Chad Carter

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Hour 18. Creating a Trial and Handling In-App Purchases

What You’ll Learn This Hour:

• Why having a trial mode is important for paid apps

• How to create a time-limited trial

• How to create a feature-limited trial

• How to handle in-app purchases

We have seen lots of functionality available from Windows 8. We can create free apps, but we also can create apps that make income from ads. We discuss how to use the Ad SDK during Hour 24, “Making Money with Windows Store Apps.” During this hour, we look at the other options, including paid apps and in-app purchases.

We discuss creating a time trial app that will not function after a certain number of days after it is installed. We look at the better trial mode model, in which we can disable certain ...

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