问题遇到的现象和发生背景
yarn android后给我报出来这个错误
之前用的好好的
PS D:\vscode\React-Native\MyApplication> yarn android
yarn run v1.22.18
warning package.json: No license field
error Command "android" not found.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
问题相关代码，请勿粘贴截图
安装react-native-video
又给我报这样的错误
error Failed to install the app. Make sure you have the Android development environment set up: https://reactnative.dev/docs/environment-setup.
Error: Command failed: ./gradlew app:installDebug -PreactNativeDevServerPort=8081
Warning: Mapping new ns http://schemas.android.com/repository/android/common/02 to old ns http://schemas.android.com/repository/android/common/01
Warning: Mapping new ns http://schemas.android.com/repository/android/generic/02 to old ns http://schemas.android.com/repository/android/generic/01
Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/addon2/02 to old ns http://schemas.android.com/sdk/android/repo/addon2/01
Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/repository2/02 to old ns http://schemas.android.com/sdk/android/repo/repository2/01
Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/sys-img2/02 to old ns http://schemas.android.com/sdk/android/repo/sys-img2/01
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:mergeDebugAssets'.
> Could not resolve all files for configuration ':app:debugRuntimeClasspath'.
> Could not find com.facebook.yoga:proguard-annotations:1.14.1.
Searched in the following locations:
- https://dl.google.com/dl/android/maven2/com/facebook/yoga/proguard-annotations/1.14.1/proguard-annotations-1.14.1.pom
- https://repo.maven.apache.org/maven2/com/facebook/yoga/proguard-annotations/1.14.1/proguard-annotations-1.14.1.pom
- file:/Users/MyUser/.m2/repository/com/facebook/yoga/proguard-annotations/1.14.1/proguard-annotations-1.14.1.pom
- file:/Users/MyUser/MyAppFolder/MyApp/node_modules/react-native/android/com/facebook/yoga/proguard-annotations/1.14.1/proguard-annotations-1.14.1.pom
- file:/Users/MyUser/MyAppFolder/MyApp/node_modules/jsc-android/dist/com/facebook/yoga/proguard-annotations/1.14.1/proguard-annotations-1.14.1.pom
- https://www.jitpack.io/com/facebook/yoga/proguard-annotations/1.14.1/proguard-annotations-1.14.1.pom
Required by:
project :app > com.facebook.react:react-native:0.64.2
> Could not find com.facebook.fbjni:fbjni-java-only:0.0.3.
Searched in the following locations:
- https://dl.google.com/dl/android/maven2/com/facebook/fbjni/fbjni-java-only/0.0.3/fbjni-java-only-0.0.3.pom
- https://repo.maven.apache.org/maven2/com/facebook/fbjni/fbjni-java-only/0.0.3/fbjni-java-only-0.0.3.pom
- file:/Users/MyUser/.m2/repository/com/facebook/fbjni/fbjni-java-only/0.0.3/fbjni-java-only-0.0.3.pom
- file:/Users/MyUser/MyAppFolder/MyApp/node_modules/react-native/android/com/facebook/fbjni/fbjni-java-only/0.0.3/fbjni-java-only-0.0.3.pom
- file:/Users/MyUser/MyAppFolder/MyApp/node_modules/jsc-android/dist/com/facebook/fbjni/fbjni-java-only/0.0.3/fbjni-java-only-0.0.3.pom
- https://www.jitpack.io/com/facebook/fbjni/fbjni-java-only/0.0.3/fbjni-java-only-0.0.3.pom
Required by:
project :app > com.facebook.react:react-native:0.64.2
> Could not find com.yqritc:android-scalablevideoview:1.0.4.
Searched in the following locations:
- https://dl.google.com/dl/android/maven2/com/yqritc/android-scalablevideoview/1.0.4/android-scalablevideoview-1.0.4.pom
- https://repo.maven.apache.org/maven2/com/yqritc/android-scalablevideoview/1.0.4/android-scalablevideoview-1.0.4.pom
- file:/Users/MyUser/.m2/repository/com/yqritc/android-scalablevideoview/1.0.4/android-scalablevideoview-1.0.4.pom
- file:/Users/MyUser/MyAppFolder/MyApp/node_modules/react-native/android/com/yqritc/android-scalablevideoview/1.0.4/android-scalablevideoview-1.0.4.pom
- file:/Users/MyUser/MyAppFolder/MyApp/node_modules/jsc-android/dist/com/yqritc/android-scalablevideoview/1.0.4/android-scalablevideoview-1.0.4.pom
- https://www.jitpack.io/com/yqritc/android-scalablevideoview/1.0.4/android-scalablevideoview-1.0.4.pom
Required by:
project :app > project :react-native-video
* 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 10s
at makeError (/Users/MyUser/MyAppFolder/MyApp/node_modules/execa/index.js:174:9)
at /Users/MyUser/MyAppFolder/MyApp/node_modules/execa/index.js:278:16
at processTicksAndRejections (node:internal/process/task_queues:96:5)
at async runOnAllDevices (/Users/MyUser/MyAppFolder/MyApp/node_modules/@react-native-community/cli-platform-android/build/commands/runAndroid/runOnAllDevices.js:94:5)
at async Command.handleAction (/Users/MyUser/MyAppFolder/MyApp/node_modules/react-native/node_modules/@react-native-community/cli/build/index.js:186:9)
运行结果及报错内容
很多人说在build.gradle 添加jcenter（）然并没有什么用
这里多说一句本来以为会react.js就会react native (看官方文档确实挺简单的）
难就难在配置和安装，请问我还有必要学android 开发，我并不想增加我的学习成本
