Respond to User Input

The fourth of the four principles I mentioned in Optimizing Apps for Lower Cost Devices is Respond to User Input. A responsive UI is a basic expectation that users have of apps.  Failing to respond to user input can frustrate users and can ultimately drive them away to other apps that are more responsive. The…

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Handle Feature Reductions

The third of the four principles I mentioned in Optimizing Apps for Lower Cost Devices is Handle Feature Reductions. With the Windows Phone 7.5 Refresh, we refactored the OS in several areas to reduce memory usage and free up more RAM for apps.  Part of this exercise included assessing the memory usage of features in…

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Reduce Memory Usage

The second of the four principles I mentioned in Optimizing Apps for Lower Cost Devices is Reduce Memory Usage. Per certification requirement 5.2.5, apps should not exceed 90MB of memory usage on 256MB devices.  When thinking about targeting 256MB devices, your first order of business should be to check whether your apps exceed 90MB today. …

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