在终端中输入cordova运行android后，我得到了这个错误:
Waiting for emulator to start...
PANIC: Broken AVD system path. Check your ANDROID_SDK_ROOT value [/Users/username/Library/Android/sdk]!
这发生在导出之后:
export ANDROID_SDK_ROOT='/Users/username/Library/Android/sdk'
在导出之前，我得到:
Waiting for emulator to start...
PANIC: Cannot find AVD system path. Please define ANDROID_SDK_ROOT
你知道我哪里错了吗?我确定这是sdk根，所以为什么我得到破碎的avd系统路径?
当前回答
要修复或避免此问题，请确保:
You have an environment variable ANDROID_SDK_ROOT pointing to a root folder of android sdk. You have a correct file structure in the sdk folder. cmdline-tools, emulator, platform-tools, system-images, platforms should be present. If you don't have these folders you should install missing components. emulator is the emulator itself. system-images has iso images of OS to run in the emulator. platforms has platform packages required to compile an app for different APIs. platform-tools has adb and other necessary tools. Without these components the emulator wont start and will post the same error about broken avd path. Make sure that you downloaded through sdkmanager matching api versions of system image and platform. e.g. for API-30 platforms;android-30 and system-images;android-30;default;x86_64. Make sure that your avd devices are located in HOME/.android/avd. If you have custom location for avd devices you should create one more environment variable ANDROID_AVD_HOME pointing to /avd/ folder.
本文提供了所有环境变量的信息，但除了ANDROID_SDK_ROOT和ANDROID_AVD_HOME，你不需要任何其他的环境变量。
其他回答
好的，我可以从cordova运行android，我把ANDROID_HOME改为，
export ANDROID_HOME=/usr/local/opt/android-sdk
我有同样的问题后，设置以下路径变量消失了 注意:AVD主路径与其他三个不同。
这意味着您使用工具的路径不正确。这是它在mac上使用brew的样子。注意版本。
export ANDROID_SDK_ROOT='/usr/local/Cellar/android-sdk/24.4.1_1'
在你的情况下，看起来你应该运行这个:
export ANDROID_SDK_ROOT='/Users/username/Library/Android/sdk'
macOS Catalina上也有类似的问题，问题原来是我正在运行的Java版本。默认情况下，当现在安装Java时，它是版本13，这与当前版本的avd不兼容。
此外，我在安装Java 8时遇到了麻烦，所以我使用了Homebrew中提供的Java 8:
brew cask install homebrew/cask-versions/adoptopenjdk8
然后，在我的~/。我将Java版本设置为1.8:
export JAVA_HOME=$(/usr/libexec/java_home -v 1.8)
现在可以测试avdmanager是否可以运行并检测虚拟设备(之前，这导致了一个错误，说XML不能被解析):
avdmanager list avds
按照下面的步骤，这将解决您的问题
1.
export ANDROID_HOME=/usr/local/Cellar/android-sdk/24.4.1
export PATH=$PATH:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools:$ANDROID_HOME/bin
2.
Go to android studio preferences => Build, Execution, Deployment => Build Tools => Gradle => Android studio => Enable embedded Maven Repository should be selected.
3.
Go to android studio preferences => Appearance & Behavior => System Settings => Android SDK => Go to SDK Tools and select Android Emulator
