Androidstudio 3.0 Upgrade Compile, Implementation brief description

1. Phenomena

Androidstudio before upgrading to 3.0, the Complie used by the reference library becomes implementation as follows:     3. Before    0 '    io.reactivex.rxjava2:rxandroid:2.0.1 ' io.reactivex.rxjava2:rxjava:2.1.3 '    3. After    0     ' io.reactivex.rxjava2:rxandroid:2.0.1 ' Io.reactivex.rxjava2:rxjava : 2.1.3 ' In addition to the above, there are the following: Androidtestcompile (former)   androidtestimplementation (after)   Testcompile (former) Testimplementation (rear)

As shown:

above two instruction description

compile: 如有模块之间存在依赖的话，引用是正常的。implementation： 引用的库只能在当前模块中使用，即便模块之间存在依赖关系的话，也不可以引用。说到以上，举一个不是很恰当的例子，有点像：Java中 public 与 private

Androidstudio 3.0 Upgrade Compile, Implementation brief description