removes support for the Apache HTTP client. If your app is using this client and targets Android 2.3 (API level 9) or higher, use the HttpURLConnection class instead. This API is more efficient because it reduces network use through transparent compression and response caching, and minimizes power consumption. To continue using the Apache HTTP APIs, you must first declare the following compile-time dependency in your build.gradle file: android { useLibrary 'org.apache.http.legacy' } link: http://bit.ly/1PvOQwd
of code libraries that provide backward-compatible versions of Android framework APIs as well as features that are only available through the library APIs. link: http://developer.android.com/intl/ja/tools/support-library/index.html
for our users that synthesizes the classic principles of good design with the innovation and possibility of technology and science. This is material design. This spec is a living document that will be updated as we continue to develop the tenets and specifics of material design. link: https://www.google.com/design/spec/material-design/introduction.html Image: Creative Common BY 2.0, http://bit.ly/20wocqc