摘要： Optimizing Your UI In this document Using Hierarchy Viewer Running Hierarchy Viewer and choosing a window About the View Hierarchy window Working with 阅读全文

摘要： Improving Your Code with lint 1.See Also lint (reference) Using Android Annotations In addition to testing that your Android application meets its fun 阅读全文

摘要： 参考： https://liuzhichao.com/p/832.html http://www.2cto.com/kf/201311/255640.html 1，简介： SparseArray是android里为<Interger,Object> 这样的Hashmap而专门写的类,目的是提高效率， 阅读全文