如何修复react-native-cli无法安装应用的错误？

Question

当我运行react-native run-android时，我遇到了这个错误。我试图将我的java版本降级到8，但仍然不起作用。

运行jetifier将库迁移到AndroidX的信息。您可以使用"--no-jetifier“标志禁用它。Jetifier找到960个要转发jetify的文件。使用8个工人...info JS服务器已在运行。正在安装应用程序的信息...

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/6.0.1/userguide/command_line_interface.html#sec:command_line_warnings

FAILURE: Build failed with an exception.

* What went wrong:
Task 'installDebug' not found in project ':app'.

* Try:
Run gradlew tasks to get a list of available tasks. 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 3s

    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.bat app:installDebug -PreactNativeDevServerPort=8081

    FAILURE: Build failed with an exception.

    * What went wrong:
    Task 'installDebug' not found in project ':app'.

    * Try:
    Run gradlew tasks to get a list of available tasks. 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 3s

        at makeError (D:\freelance\SuperDaily\node_modules\execa\index.js:174:9)
        at D:\freelance\SuperDaily\node_modules\execa\index.js:278:16
        at processTicksAndRejections (internal/process/task_queues.js:93:5)
        at async runOnAllDevices (D:\freelance\SuperDaily\node_modules\@react-native-community\cli-platform-android\build\commands\runAndroid\runOnAllDevices.js:94:5)
        at async Command.handleAction (D:\freelance\SuperDaily\node_modules\react-native\node_modules\@react-native-community\cli\build\index.js:186:9)

Answer 1

我在这个(“node_modules/execa/index.js”)文件中也遇到了类似的错误。我使用下面给出的两个命令解决了我的错误

npm uninstall -g react-native-cli

yarn global add @react-native-community/cli

如果我的解决方案不起作用，请检查其他解决方案here

Answer 2

react-native run-android --variant Huaweidebug 

使用上面的命令运行。它应该修复，但如果存在错误，请在android studio中打开项目