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I am quite new to Android

I studied how to use category (in the intent-filter). And I know category is used for grouping the activities. But didn't understand what is the real use of - category.

Can any help me in this regard - siting the practical use of category.

Thanks

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该类别提供有关要执行的操作的附加信息。例如，CATEGORY_LAUNCHER意味着它应该作为顶级应用程序出现在启动器中，而CATEGORY_ALTERNATIVE意味着它应该包含在用户可以对一条数据执行的替代操作列表中。

这是带有简短说明的完整类别列表

于 2013-04-04T08:20:38.600 回答