Android-studio:无法找到ADB [英] Android-studio: Unable to locate adb

问题描述

我阅读了无法找到adb"的答案.使用Android Studio 和>错误:无法找到adb在Android Studio的SDK中，但并不能解决我的问题.

I read the answers "unable to locate adb" using Android Studio and Error:Unable to locate adb within SDK in Android Studio and it didn't solve my problem.

我使用4.0 android-studio和Ubuntu 18.04

I use the 4.0 android-studio and Ubuntu 18.04

当我单击在模拟器中启动此AVD"时，出现错误消息无法找到adb". 我确实在Android/Sdk/platform-tools中查看过，我有一个"adb"可执行文件.

When I click on "launch this AVD in the emulator", I get an error message "Unable to locate adb". I did look in the Android/Sdk/platform-tools, I have an "adb" executable.

在无法找到adb"错误消息之后，AVD仍会启动.但是，当我尝试在其上运行我的本机应用程序时，出现错误

After the "unable to locate adb" error message, the AVD still launches. But, when I try to run my react native app on it, I get the error

错误无法安装该应用程序.确保您已设置Android开发环境: https://facebook.github.io/react-native/docs/getting-started.html#android-development-environment .使用--verbose标志运行CLI以获取更多详细信息. 错误:命令失败:./gradlew app:installDebug -PreactNativeDevServerPort = 8081

error Failed to install the app. Make sure you have the Android development environment set up: https://facebook.github.io/react-native/docs/getting-started.html#android-development-environment. Run CLI with --verbose flag for more details. Error: Command failed: ./gradlew app:installDebug -PreactNativeDevServerPort=8081

我很确定react-native部分很好，但是到仿真器的路由与以前不同.

I'm pretty sure the react-native part is fine, but that route to the emulator is not the same as before.

它曾经在工作.昨天，出乎意料的是，当我启动android-studio时，它重新启动"(向我显示安装向导等)，似乎搞乱了其配置.

It was working before. Yesterday, out of the blue, when I launched my android-studio, it "restarted" (showing me the install wizard, etc), and it seems it messed up its configuration.

[错误的方式]我创建了一个新的ubuntu用户，重新安装android studio + react-native.我仍然收到错误消息，仍然会启动AVD，但是现在React-native可以在其上安装应用程序.因此，现在我可以与新用户一起使用，但是我没有解决问题.

[bad way] I created a new ubuntu user, re-install android studio + react-native. I still get the error message, still the AVD launches, but now React-native can install the app on it. So, now I can work with my new user, but I did not fix the problem.

[好方法] @jpatmore修复了android-studio部分(请参见他的回答). 反应本地人仍然无法正常工作.在[我的项目]/android/[gradle或其他内容]中可能仍存在android-studio 3.6的某些参数 我将我的存储库克隆到另一个文件夹中，再执行另一个"npm install"，"react-native link"，并且可以正常工作.

[good way] @jpatmore fixed the android-studio part (see his answer). The react-native was still not working. There was probably some parameter of android-studio 3.6 still in the [my project]/android/[gradle or something] I cloned my repo in another folder, do another "npm install", "react-native link", and it was working.

推荐答案

将Android Studio从3.6.3版本更新到4.0后，我开始出现此错误.它并没有停止仿真器的工作，但是隐约令人讨厌.

I started getting this error after updating Android Studio from version 3.6.3 to 4.0. It didn't stop the emulator working, but it was vaguely annoying.

我检查adb.exe是否在文件夹C:\ Users [用户名] \ AppData \ Local \ Android \ Sdk \ platform-tools中.我还在命令行中运行了它，以证明该exe可以正常运行.

I checked that adb.exe was in the folder C:\Users[username]\AppData\Local\Android\Sdk\platform-tools. I also ran it in a command-line to prove that the exe worked OK.

最后，经过一番挣扎，我找到了解决方案:

Finally after a bit of a struggle I found a solution:

启动SDK管理器，依次选择文件"菜单->设置"->外观&行为->系统设置-> Android SDK，SDK工具选项卡(或单击工具栏中带有蓝色向下箭头图标的多维数据集).

Start the SDK Manager, File menu -> Settings -> Appearance & Behavior -> System Settings -> Android SDK, SDK Tools tab (Or click the cube with blue down arrow icon in the toolbar).

首先，我更新了Android SDK平台工具(现为v30.0.2).这不能解决问题.我还尝试过手动删除平台工具文件夹并重新安装.

Firstly I updated the Android SDK Platform-Tools (now v30.0.2). This didn't fix the problem. I also tried manually deleting the platform tools folder and reinstalling.

最终，我决定单击"Android SDK位置"框旁边的编辑"链接.这将打开"SDK组件设置"的新对话框.那有多隐藏?！?！我一直以为是要编辑SDK路径！

Eventually I decided to click the "Edit" link next to the "Android SDK Location" box. This opens a new dialog for SDK Components Setup. How well hidden is that?!?! I had always assumed it was to edit the SDK path!

您现在应该看到，与已安装的所有SDK平台一样，Android SDK-(已安装)在复选框中有一个勾号.单击下一步按钮，您的SDK将更新. 问题解决了.

You should now see that Android SDK - (installed) has a tick in the checkbox, as do any SDK Platforms you have. Click on the Next button and your SDK will update. Problem solved.

HTH

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