Maven，Proguard和JDK8

Question

我试图contribute to the Parceler library，但我遇到了maven android插件，混淆和jdk8的问题。

众所周知issue我已尝试通过安装最新工具和specifying特定proguard.jar路径来解决此问题。但看起来它仍然是failing。所以看看有人能带领我朝着正确的方向前进。

与此同时，我正在挖掘更多。

UPD 这是我的错误：

Caused by: java.io.IOException: Can't process class [com/oracle/net/Sdp$1.class] (Unsupported class version number [52.0] (maximum 51.0, Java 1.7))
[INFO]  at proguard.io.ClassReader.read(ClassReader.java:112)
[INFO]  at proguard.io.FilteredDataEntryReader.read(FilteredDataEntryReader.java:87)
[INFO]  at proguard.io.JarReader.read(JarReader.java:65)
[INFO]  at proguard.io.DirectoryPump.readFiles(DirectoryPump.java:65)
[INFO]  at proguard.io.DirectoryPump.pumpDataEntries(DirectoryPump.java:53)
[INFO]  at proguard.InputReader.readInput(InputReader.java:226)
[INFO]  ... 6 more
[INFO] Caused by: java.lang.UnsupportedOperationException: Unsupported class version number [52.0] (maximum 51.0, Java 1.7)
[INFO]  at proguard.classfile.util.ClassUtil.checkVersionNumbers(ClassUtil.java:140)
[INFO]  at proguard.classfile.io.LibraryClassReader.visitLibraryClass(LibraryClassReader.java:89)
[INFO]  at proguard.classfile.LibraryClass.accept(LibraryClass.java:301)
[INFO]  at proguard.io.ClassReader.read(ClassReader.java:86)
[INFO]  ... 11 more

Answer 1

将ProGuard更新到Android SDK＆＃39;工具中的最新版本＆＃39;链接http://proguard.sourceforge.net/downloads.html

中的文件夹