Unity导出APk出错解决方法二

错误提示（需得打开编辑器log文件才能看到全部log，Unity3d只显示一部分）：

Error building Player: CommandInvokationFailure: Unable to convert classes into dex format. See the Console for details.
C:/Program Files/Java/jdk1.8.0_05\bin\java.exe -Xmx2048M -Dcom.android.sdkmanager.toolsdir="F:\adt-bundle-windows-x86_64\sdk\tools" -Dfile.encoding=UTF8 -jar "D:\develop\Unity5.3.7\Editor\Data\PlaybackEngines\AndroidPlayer/Tools\sdktools.jar" -

warning: Ignoring InnerClasses attribute for an anonymous inner class
(com.tendcloud.tenddata.game.ae) that doesn't come with an
associated EnclosingMethod attribute. This class was probably produced by a
compiler that did not target the modern .class file format. The recommended
solution is to recompile the class from source, using an up-to-date compiler
and without specifying any "-target" type options. The consequence of ignoring
this warning is that reflective operations on this class will incorrectly
indicate that it is *not* an inner class.

rouble writing output: Too many method references to fit in one dex file: 67088; max is 65536.
You may try using multi-dex. If multi-dex is enabled then the list of classes for the main dex list is too large.
References by package:
     4 android.accessibilityservice
     4 android.accounts
   106 android.animation
   451 android.app
    17 android.app.job
     2 android.appwidget
    53 android.arch.core.internal
   105 android.arch.lifecycle
     1 android.bluetooth
   241 android.content
    55 android.content.pm
   111 android.content.res
    58 android.database
    25 android.database.sqlite
   256 android.graphics
   130 android.graphics.drawable
     3 android.graphics.drawable.shapes
     3 android.graphics.pdf
    35 android.hardware
     5 android.hardware.display
    11 android.hardware.fingerprint
    24 android.location
   259 android.media
    19 android.media.browse
    92 android.media.session
    69 android.net
     6 android.net.http
     7 android.net.nsd
    16 android.net.wifi
     2 android.nfc
     2 android.nfc.cardemulation
    71 android.opengl
   311 android.os
     1 android.preference
    28 android.print
     5 android.print.pdf
    18 android.provider
     8 android.renderscript
     9 android.security
     6 android.security.keystore
    10 android.service.media
    31 android.support.annotation
    14 android.support.compat
   153 android.support.constraint
   125 android.support.constraint.solver
   375 android.support.constraint.solver.widgets
    14 android.support.coreui
    14 android.support.coreutils
   216 android.support.customtabs
    16 android.support.design
   309 android.support.design.internal
  1527 android.support.design.widget
    14 android.support.fragment
   335 android.support.graphics.drawable
    14 android.support.graphics.drawable.animated
    14 android.support.mediacompat
   843 android.support.transition

解决方法：

1.去掉不需要的jar包

2.导出android studio工程使用多个multi-dex:true 选项

官方文档解决64k限制方法：https://developer.android.com/studio/build/multidex

相关文章 https://medium.com/@abhpatidar/solving-unity-dex-issue-538e134c8809