无法在 android 模拟器上运行

Question

% npm run android

> AwesomeProject@0.0.1 android
> react-native run-android

info JS server already running.
info Launching emulator...
info Successfully launched emulator.

只打开了模拟器，没有运行项目

报错了

BUILD FAILED in 2s
error Failed to install the app. Command failed with exit code 1: ./gradlew tasks FAILURE: Build failed with an exception. * What went wrong:
A problem occurred configuring root project ‘AwesomeProject’.

Could not determine the dependencies of null. > Could not resolve all task dependencies for configuration ‘:classpath’. > Could not find com.android.tools.build:gradle:. Required by: project : > Could not resolve com.facebook.react:react-native-gradle-plugin. Required by: project : > No matching variant of project :gradle-plugin was found. The consumer was configured to find a library for use during runtime, compatible with Java 8, packaged as a jar, and its dependencies declared externally, as well as attribute ‘org.gradle.plugin.api-version’ with value ‘8.0.1’ but: - Variant ‘apiElements’ capability com.facebook.react:react-native-gradle-plugin:unspecified declares a library, packaged as a jar, and its dependencies declared externally: - Incompatible because this component declares a component for use during compile-time, compatible with Java 11 and the consumer needed a component for use during runtime, compatible with Java 8 - Other compatible attribute: - Doesn’t say anything about org.gradle.plugin.api-version (required ‘8.0.1’) - Variant ‘mainSourceElements’ capability com.facebook.react:react-native-gradle-plugin:unspecified declares a component, and its dependencies declared externally: - Incompatible because this component declares a component of category ‘verification’ and the consumer needed a library - Other compatible attributes: - Doesn’t say anything about its target Java version (required compatibility with Java 8) - Doesn’t say anything about its elements (required them packaged as a jar) - Doesn’t say anything about org.gradle.plugin.api-version (required ‘8.0.1’) - Doesn’t say anything about its usage (required runtime) - Variant ‘runtimeElements’ capability com.facebook.react:react-native-gradle-plugin:unspecified declares a library for use during runtime, packaged as a jar, and its dependencies declared externally: - Incompatible because this component declares a component, compatible with Java 11 and the consumer needed a component, compatible with Java 8 - Other compatible attribute: - Doesn’t say anything about org.gradle.plugin.api-version (required ‘8.0.1’) - Variant ‘testResultsElementsForTest’ capability com.facebook.react:react-native-gradle-plugin:unspecified: - Incompatible because this component declares a component of category ‘verification’ and the consumer needed a library - Other compatible attributes: - Doesn’t say anything about how its dependencies are found (required its dependencies declared externally) - Doesn’t say anything about its target Java version (required compatibility with Java 8) - Doesn’t say anything about its elements (required them packaged as a jar) - Doesn’t say anything about org.gradle.plugin.api-version (required ‘8.0.1’) - Doesn’t say anything about its usage (required runtime) * 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.

Answer 1

提问者 慕神8170126 2023-08-26 15:53:12

新建项目

FAILURE: Build failed with an exception.

* What went wrong:

Could not open settings generic class cache for settings file '/Users/danjiang/CrossPlatform/RN/GitHub_RN/android/settings.gradle' (/Users/danjiang/.gradle/caches/8.0.1/scripts/1305rdm6vtzxs8ld9qkzvtb1a).

> BUG! exception in phase 'semantic analysis' in source unit '_BuildScript_' Unsupported class file major version 64

* 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 1s

error Failed to install the app.

Answer 2

CrazyCodeBoy 2023-08-23 08:24:09

将node_modules删除，然后运行npm inatall
成功之后，重新安装下看看。

• 提问者 慕神8170126 #1

  一样的报错

• CrazyCodeBoy 回复 提问者 慕神8170126 #2

  新建一个项目运行，看是不是有同样的问题?

• 提问者 慕神8170126 回复 CrazyCodeBoy #3

  新建一个项目也是如此