有些库还不支持jack，比如:
@vsona The problem of your project is Realm doesn't work with Jack compiler right now (well, it is because of Google hasn't made Jack work with transformer yet.). See #3038 . And the issue in google side: https://code.google.com/p/android/issues/detail?id=210730&q=Jack%20transform&colspec=ID%20Status%20Priority%20Owner%20Summary%20Stars%20Reporter%20Opened
想在Android中使用java8？你可能不再需要retrolambda了随着Android N预览版在2016年5月的发布，谷歌同时发布了jack and jill编译工具，jack是Java Android Compiler Kit 的缩写，J...
