Android Studio 2.0 Preview 3 发布，该版本有多项 bug 修复，主要更新如下： A
new lint check which looks at switch statements used in concert with
@IntDef integers, and makes sure that all constants from the @IntDef are
handled:
Note
that there is a quickfix for adding the missing statements as well, so
after adding an empty switch statement this is a quick way to populate
the initial set of case statements:
A
new lint check which flags incorrect attempts to insert version numbers
in Gradle file using String interpolation. This will automatically flag this "gotcha"
Lint now flags anonymous classes that extend Fragment Two
new security lint checks contributed by Michael Peck: One which looks
for native code in unsafe locations (such as asset folders), and another
which flags Runtime.load() and System.load() calls. The translation editor now supports speed search (and F2 to enter cell editing). We've
also tweaked the Instant Run facility such that when changes can't be
hotswapped, there's a confirmation dialog before restarting the app.
We'll be tweaking this in the next preview build. Various improvements to the AVD Manager to support the new emulator
更多内容请看：发行说明。 | 
