在macOS Catalina上找不到adb_Macos_React Native_Android Studio_Adb_Platform Tools

在macOS Catalina上找不到adb

macos react-native android-studio

在macOS Catalina上找不到adb,macos,react-native,android-studio,adb,platform-tools,Macos,React Native,Android Studio,Adb,Platform Tools,我开始学习如何在android环境下使用ReactNative进行移动编程。我正在使用MacOS Catalina，我已经安装了android studio和react native cli。我运行了react native init ShoppingList，它通过了 Downloading template, Copying template, Processing template 但是在安装CocoaPods依赖项时失败了，因为我还不是最新的操作系统（我希望这不是问题的一部分，因

我开始学习如何在android环境下使用ReactNative进行移动编程。我正在使用MacOS Catalina，我已经安装了android studio和react native cli。我运行了

react native init ShoppingList

，它通过了

Downloading template, 
Copying template, 
Processing template

但是在安装CocoaPods依赖项时失败了，因为我还不是最新的操作系统（我希望这不是问题的一部分，因为我没有足够的内存升级操作系统）

我参考了里面的一条建议，要求我跑步

npm uninstall -g react-native react-native-cli
npm install -g react-native react-native-cli
react-native start --reset-cache

我还删除了项目根目录下的node_模块和

npm install

。然后在项目的根目录下，我运行了

react native run android

这给了我以下的错误

info Running jetifier to migrate libraries to AndroidX. You can disable it using "--no-jetifier" flag.
Jetifier found 967 file(s) to forward-jetify. Using 8 workers...
info Starting JS server...
/bin/sh: adb: command not found
info Launching emulator...
error Failed to launch emulator. Reason: No emulators found as an output of `emulator -list-avds`.
warn Please launch an emulator manually or connect a device. Otherwise app may fail to launch.
info Installing the app...

Deprecated Gradle features were used in this build, making it incompatible with Gradle 7.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/6.2/userguide/command_line_interface.html#sec:command_line_warnings

FAILURE: Build failed with an exception.

* What went wrong:
Could not determine the dependencies of task ':app:installDebug'.
> SDK location not found. Define location with an ANDROID_SDK_ROOT environment variable or by setting the sdk.dir path in your project's local properties file at '/Users/prashin/Test/ShoppingList/android/local.properties'.

* 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

BUILD FAILED in 2s

error Failed to install the app. Make sure you have the Android development environment set up: https://reactnative.dev/docs/environment-setup. Run CLI with --verbose flag for more details.
Error: Command failed: ./gradlew app:installDebug -PreactNativeDevServerPort=8081

在Android Studio中，安装了以下组件

Android 11.0(R),
Android SDK Build-Tools, 
Android Emulator 30.2.6, 
Android SDK-Platform-Tools 30.0.5, 
Intel x86 Emulator Accelerator (HAXM installer) 7.5.1

我用发行名R（API级别30）创建了一个

Pixel 2设备

，并无数次按下播放按钮，这给了我一个

AVD管理器的错误：无法找到ADB

这是我的

.bash\u配置文件

文件

source ~/.profile

# Setting PATH for Python 3.7
# The original version is saved in .bash_profile.pysave
PATH="/Library/Frameworks/Python.framework/Versions/3.7/bin:${PATH}"
export PATH

export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion

##
# Your previous /Users/prashin/.bash_profile file was backed up as /Users/prashin/.bash_profile.macports-saved_2019-10-23_at_18:32:04
##

# MacPorts Installer addition on 2019-10-23_at_18:32:04: adding an appropriate PATH variable for use with MacPorts.
export PATH="/opt/local/bin:/opt/local/sbin:$PATH"
export ANDROID_HOME=/Users/prashin/Library/Android/sdk
export ANDROID_SDK_ROOT=$ANDROID_HOME
export PATH="$PATH:$ANDROID_HOME/emulator:$ANDROID_HOME/tools:$ANDROID_HOME/platform-tools"
# export PATH="$PATH:/Users/$USER/Library/Android/sdk/platform-tools"
# export PATH=${PATH}:/usr/local/mysql-5.7.31-macos10.14-x86_64/bin
# Finished adapting your PATH environment variable for use with MacPorts.

我确实看到了平台工具中的adb可执行文件

在这里，我可能遗漏了什么阻止我在模拟器上运行我的基本应用程序？如果需要更多信息，一定要通知我

编辑

建议切换到

.zprofile

的解决方案改为更改了错误消息。在产生下面的错误之前，它在

info-launcing-emulator

上被卡住了30秒

error Failed to launch emulator. Reason: Could not start emulator within 30 seconds..
warn Please launch an emulator manually or connect a device. Otherwise app may fail to launch.
info Installing the app...

> Task :app:stripDebugDebugSymbols UP-TO-DATE
Compatible side by side NDK version was not found.

> Task :app:installDebug FAILED
Skipping device 'emulator-5554' (emulator-5554): Device is OFFLINE.

Deprecated Gradle features were used in this build, making it incompatible with Gradle 7.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/6.2/userguide/command_line_interface.html#sec:command_line_warnings
27 actionable tasks: 2 executed, 25 up-to-date

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:installDebug'.
> com.android.builder.testing.api.DeviceException: No online devices found.

* 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

BUILD FAILED in 4s

error Failed to install the app. Make sure you have the Android development environment set up: https://reactnative.dev/docs/environment-setup. Run CLI with --verbose flag for more details.
Error: Command failed: ./gradlew app:installDebug -PreactNativeDevServerPort=8081

对于Catalina，苹果将默认shell更改为zsh。因此，您必须重命名配置文件。

.bashrc

现在是

.zshrc

，而

现在是.zprofile
。将.bash\u配置文件的内容移动到新的.zprofile
文件中，然后重新启动终端。使用新的环境变量再次运行应用程序。
只需重新启动终端，我就成功了…
虽然现在出现了播放
按钮和react native Run android
的模拟器，但我仍然在“找不到adb”的播放
按钮上遇到错误。对于该命令，错误已更改为“无法在30秒内启动emulator”。我已经在我的原始帖子中粘贴了完整的错误消息。你能试着运行adb设备，看看你的设备是否被列在设备列表中吗？我试着根据这篇帖子设置Catalina，我只看到emulator-5544 unauthorized
，此处的预期输出是什么？能否尝试adb kill server
并再次运行adb设备
？。Android模拟器默认情况下启用USB调试。如果一切正常，你就会得到这样的东西<代码>emulator-5544设备
我仍然返回相同的输出。它总是说启动模拟器，然后30秒它说它是离线的