androidx 你好 ，android.support 再见。

本文作者作者：CnPeng链接：https://www.jianshu.com/p/41de8689615d本文由作者授权发布。我只能说 Google 很任性~1AndroidX 简介点击查看Android文档中对androidx的简介https://developer.android.com/topic/libraries/support-library/androidx-overview按照官方文档说明 androidx 是对 android.support.xxx 包的整理后产物。由于之前的support包过于混乱，所以，google推出了 androidX。由于在后续版本中，会逐步放弃对support 的升级和维护，所以，我们必须迁移到 androidX.对此，官方描述如下：Existing packages, such as the Android Support Library, are being refactored into AndroidX.Although Support Library versions 27 and lower are still available on Google Maven,all new development will be included in only AndroidX versions 1.0.0 and higher.2迁移步骤2.1 修改gradle.propertiesandroid.useAndroi ………………………………