Talk:How to know features supported
Some device might not support some features, for example some device do not have camera at all. For developing generic application, that can be installed on all device of that platform, need checking of some feature is supported or not before using that feature.
Taking another example, before accessing bluetooth API, we must check whether this feature is supported or not. This article describes how to get available feature using API CFeatureDiscovery. This article is useful to both, beginners as well as experienced developer.