Android Support v7：这个包是为了考虑照顾2.1及以上版本而设计的，但不包含更低，故如果不考虑1.6,我们可以采用再加上这个包，另外注意，v7是要依赖v4这个包的，即，两个得同时被包

android.support.v7The RecyclerView widget is a more advanced and flexible version of ListView. This widget is a container for displaying large data sets that can be scrolled very efficiently by maintaining a limited number of views. Use the RecyclerView widget when you have data collections whose elements change at runtime based on user action or network events.

In the era of big data, this book explores the new challenges of urban-rural planning and management from a practical perspective based on a multidisciplinary project. Researchers as contributors to this book have accomplished their projects by using big data and relevant data mining technologies for investigating the possibilities of big data, such as that obtained through cell phones, social network systems and smart cards instead of conventional survey data for urban planning support. This book showcases active researchers who share their experiences and ideas on human mobility, accessibility and recognition of places, connectivity of transportation and urban structure in order to provide effective analytic and forecasting tools for smart city planning and design solutions in China.

Android support Library v23 Extras列表下没有的，可以下载并解压到目录/sdk/extras/android文件夹下。

android支持包：android-support-v4。。。。。。。。。

MDK Legacy Support MDK兼容包（到5.25）官方下载地址 可以有效防止MDK5打开MDK4工程师出现错误的问题

涵盖api 25、24、23、22、19等多个android support版本

经典SVM分类算法A Tutorial on Support Vector Machines for Pattern

android-support-v7-recyclerview android-support-v7-recyclerview android-support-v7-recyclerview

Android Studio 中 SDK Manager 中 没有 Support Library的解决办法 下载后，解压出来就是一个包含很多内容的support文件夹，复制到/sdk/extras/android文件夹下即可（亲测可用）。 完事后 我又重启 Android Studio 发现已经显示出来并自动勾选