这个包包含大量类,因此我不会详细讨论所有类,但是其基本内容还是有必要说明的。
The package contains numerous classes so I won't go over them all in detail, but it's worth taking a moment to cover the basics.
该包包括uri类,后者频繁用于Android应用程序开发,而不仅仅是传统的联网方面。
This package includes the URI class, which is used frequently in Android application development beyond traditional networking.
它也包括第二层数据包包头匹配定义的话务类别或class-default类(class)。
It also covers Layer 2 overhead for packets matching defined traffic classes or the class-default class.
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