1.遇到无法打包首先检查一下Edit-External Tools-Android下的JDK、SDK、NDK、Gradle是否下载完整

2.遇到

打包安卓APK 时报错：

Configure project :launcher WARNING: The option ‘android.enableR8’ is deprecated and should not be used anymore. It will be removed in a future version of the Android Gradle plugin, and will no longer allow you to disable R8. 请查看 原文链接：Unity发布安卓 :launcherWARNING: The option setting ‘android.enableR8=false‘ is depre - 游戏编程 🕹️ (233tw.com)

3.遇到

Failed to query the value of task 'xx:compileDebugJavaWithJavac'

要保证自己的gradle的版本和build:gradle相匹配，比如我的com.android.tools.build:gradle:4.0.1要与gradle6.1.1匹配

gradle下载链接Gradle Distributions

4.遇到

building gradle project 卡住（>20分钟）

        （1）修改E:\Unity1\Editor\2020.3.24f1c2\Editor\Data\PlaybackEngines\AndroidPlayer\Tools\GradleTemplates\gradleTemplate.properties里的内容

        或者

        （2）下载新的gradle，同时将他安装在Edit-External Tools-Gradle Installed with Unity所对应的目录下