Unity5.5.6 升级到 2018.4.1 打包出现的问题 ： Gradle version 2.10 is required. Current version is 5.1.1

Posted 2021-03-07 niyun

起因：最近要在googleplay上架新游戏，而谷歌要求新上架的应用要支持64位，鉴于老版本的unity不支持打包64位apk，所以决定升级unity版本到2018.4.1，

但打包过程中出现了几个问题  ->

问题1

Gradle version 配置错误，报错信息如下：

CommandInvokationFailure: Gradle build failed.
D:Program Filesunity2018.4.17UnityEditorDataPlaybackEnginesandroidPlayer/ToolsOpenJDKWindowsinjava.exe -classpath "D:Program Filesunity2018.4.17UnityEditorDataPlaybackEnginesAndroidPlayerToolsgradlelibgradle-launcher-5.1.1.jar" org.gradle.launcher.GradleMain "-Dorg.gradle.jvmargs=-Xmx4096m" "assembleRelease"

stderr[

FAILURE: Build failed with an exception.

* Where:
Build file ‘C:w_\\_upgrade2018CashBonanza_ENTempgradleOutuild.gradle‘ line: 21

* What went wrong:
A problem occurred evaluating root project ‘gradleOut‘.
> Failed to apply plugin [id ‘com.android.application‘]
> Gradle version 2.10 is required. Current version is 5.1.1. If using the gradle wrapper, try editing the distributionUrl in C:w_\\_upgrade2018CashBonanza_ENTempgradleOutgradlewrappergradle-wrapper.properties to gradle-2.10-all.zip

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

由信息可知：

 当前Unity2018.4.1 中的Gradle version 是 5.1.1 而我的打包要求却是2.10，如此定位应该是配置不一致问题，查之果然：

因为我在unity 5.5.6也是用gradle方式打包，新游戏延用了旧游戏的部分配置，所以mainTemplate也被拷贝了过来，如图：

 

 查看Unity2018.4.1安装目录下的mainTemplate中的配置，路径：unity2018.4.17安装目录UnityEditorDataPlaybackEnginesAndroidPlayerToolsGradleTemplatesmainTemplate.gradle，如图：

 

 如此，解决的办法就是把unity2018.4.17安装目录UnityEditorDataPlaybackEnginesAndroidPlayerToolsGradleTemplatesmainTemplate.gradle文件拷贝到Unity/Assets/Plugins/Android路径下替换旧配置，

由此，问题1解决

 

问题2

安卓打包方法超过64k的问题，这个还是在mainTemplate.gradle配置中调整，加上multiDexEnabled true属性即可，如图：

 

 由此，问题2解决

 

最后，64位apk打包成功