android stuido 求大神指点 Gradle build finished

Question

UNEXPECTED TOP-LEVEL EXCEPTION:
com.android.dex.DexException: Multiple dex files define Lcom/lidroid/xutils/task/TaskHandler;
at com.android.dx.merge.DexMerger.readSortableTypes(DexMerger.java:594)
at com.android.dx.merge.DexMerger.getSortedTypes(DexMerger.java:552)
at com.android.dx.merge.DexMerger.mergeClassDefs(DexMerger.java:533)
at com.android.dx.merge.DexMerger.mergeDexes(DexMerger.java:170)
at com.android.dx.merge.DexMerger.merge(DexMerger.java:188)
at com.android.dx.command.dexer.Main.mergeLibraryDexBuffers(Main.java:439)
at com.android.dx.command.dexer.Main.runMonoDex(Main.java:287)
at com.android.dx.command.dexer.Main.run(Main.java:230)
at com.android.dx.command.dexer.Main.main(Main.java:199)
at com.android.dx.command.Main.main(Main.java:103)

FAILED

FAILURE: Build failed with an exception.

• What went wrong:
  Execution failed for task ':app:dexDebug'.

  com.android.ide.common.internal.LoggedErrorException: Failed to run command:
  D:\Android\android-studio\sdk\build-tools\android-4.4W\dx.bat --dex --num-threads=4 --output E:\一点通\新闻客户端APP\code\android\XMRBApp\app\build\intermediates\dex\debug E:\一点通\新闻客户端APP\code\android\XMRBApp\app\build\intermediates\classes\debug E:\一点通\新闻客户端APP\code\android\XMRBApp\app\build\intermediates\dependency-cache\debug E:\一点通\新闻客户端APP\code\android\XMRBApp\app\build\intermediates\pre-dexed\debug\baseproject-c56c14be9943929c5c5813d4553338c6b5b2977e.jar E:\一点通\新闻客户端APP\code\android\XMRBApp\app\build\intermediates\pre-dexed\debug\classes-1f8f8478b937dc74b01aabab03122fad3284ca52.jar E:\一点通\新闻客户端APP\code\android\XMRBApp\app\build\intermediates\pre-dexed\debug\classes-1ff5837b36cb81358fc0327eb8469bcf0233db7d.jar
  Error Code:
  2
  Output:

  UNEXPECTED TOP-LEVEL EXCEPTION:
  com.android.dex.DexException: Multiple dex files define Lcom/lidroid/xutils/task/TaskHandler;
  at com.android.dx.merge.DexMerger.readSortableTypes(DexMerger.java:594)
  at com.android.dx.merge.DexMerger.getSortedTypes(DexMerger.java:552)
  at com.android.dx.merge.DexMerger.mergeClassDefs(DexMerger.java:533)
  at com.android.dx.merge.DexMerger.mergeDexes(DexMerger.java:170)
  at com.android.dx.merge.DexMerger.merge(DexMerger.java:188)
  at com.android.dx.command.dexer.Main.mergeLibraryDexBuffers(Main.java:439)
  at com.android.dx.command.dexer.Main.runMonoDex(Main.java:287)
  at com.android.dx.command.dexer.Main.run(Main.java:230)
  at com.android.dx.command.dexer.Main.main(Main.java:199)
  at com.android.dx.command.Main.main(Main.java:103)

• Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED
求大神指点！！！感谢感谢

Answer 1

TaskHandler重复定义（有多个） 很有可能是你重复引用了jar包或者是工程 再仔细的检查一下的你的代码把