react-nativeを起動したい（環境構築）

PS C:\Users\User-name\ReactNative-node15.6.0\test> npx react-native run-android
info Running jetifier to migrate libraries to AndroidX. You can disable it using "--no-jetifier" flag.
Jetifier found 863 file(s) to forward-jetify. Using 16 workers...
info JS server already running.
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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...
Mapping new ns http://schemas.android.com/repository/android/common/02 to old ns http://schemas.android.com/repository/android/common/01
Mapping new ns http://schemas.android.com/repository/android/generic/02 to old ns http://schemas.android.com/repository/android/generic/01
Mapping new ns http://schemas.android.com/sdk/android/repo/addon2/02 to old ns http://schemas.android.com/sdk/android/repo/addon2/01
Mapping new ns http://schemas.android.com/sdk/android/repo/addon2/03 to old ns http://schemas.android.com/sdk/android/repo/addon2/01
Mapping new ns http://schemas.android.com/sdk/android/repo/repository2/02 to old ns http://schemas.android.com/sdk/android/repo/repository2/01
Mapping new ns http://schemas.android.com/sdk/android/repo/repository2/03 to old ns http://schemas.android.com/sdk/android/repo/repository2/01
Mapping new ns http://schemas.android.com/sdk/android/repo/sys-img2/03 to old ns http://schemas.android.com/sdk/android/repo/sys-img2/01
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
Observed package id 'platform-tools' in inconsistent location 'C:\Users\User-name\AppData\Local\Android\Sdk\platform-tools' (Expected 'C:\Users\User-name\AppData\Local\Android\Sdk\platform-tools\platform-tools')
Checking the license for package SDK Patch Applier v4 in C:\Users\User-name\AppData\Local\Android\Sdk\platform-tools\licenses
Warning: License for package SDK Patch Applier v4 not accepted.
Checking the license for package Android Emulator in C:\Users\User-name\AppData\Local\Android\Sdk\platform-tools\licenses
Warning: License for package Android Emulator not accepted.
Checking the license for package Android SDK Tools in C:\Users\User-name\AppData\Local\Android\Sdk\platform-tools\licenses
Warning: License for package Android SDK Tools not accepted.
Checking the license for package Android SDK Build-Tools 30.0.2 in C:\Users\User-name\AppData\Local\Android\Sdk\platform-tools\licenses
Warning: License for package Android SDK Build-Tools 30.0.2 not accepted.
Checking the license for package Android SDK Platform 30 in C:\Users\User-name\AppData\Local\Android\Sdk\platform-tools\licenses
Warning: License for package Android SDK Platform 30 not accepted.

FAILURE: Build failed with an exception.

* What went wrong:
Could not determine the dependencies of task ':app:compileDebugJavaWithJavac'.
> Failed to install the following Android SDK packages as some licences have not been accepted.
     patcher;v4 SDK Patch Applier v4
     emulator Android Emulator
     platforms;android-30 Android SDK Platform 30
     build-tools;30.0.2 Android SDK Build-Tools 30.0.2
     tools Android SDK Tools
  To build this project, accept the SDK license agreements and install the missing components using the Android Studio SDK Manager.
  Alternatively, to transfer the license agreements from one workstation to another, see http://d.android.com/r/studio-ui/export-licenses.html

  Using Android SDK: C:\Users\User-name\AppData\Local\Android\Sdk\platform-tools

* 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. Please accept all necessary Android SDK licenses using Android SDK Manager: "$ANDROID_HOME/tools/bin/sdkmanager --licenses".
Error: Command failed: gradlew.bat app:installDebug -PreactNativeDevServerPort=8081

FAILURE: Build failed with an exception.

* What went wrong:
Could not determine the dependencies of task ':app:compileDebugJavaWithJavac'.
> Failed to install the following Android SDK packages as some licences have not been accepted.
     patcher;v4 SDK Patch Applier v4
     emulator Android Emulator
     platforms;android-30 Android SDK Platform 30
     build-tools;30.0.2 Android SDK Build-Tools 30.0.2
     tools Android SDK Tools
  To build this project, accept the SDK license agreements and install the missing components using the Android Studio SDK Manager.
  Alternatively, to transfer the license agreements from one workstation to another, see http://d.android.com/r/studio-ui/export-licenses.html

  Using Android SDK: C:\Users\User-name\AppData\Local\Android\Sdk\platform-tools

* 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

    at makeError (C:\Users\User-name\ReactNative-node15.6.0\test\node_modules\@react-native-community\cli-platform-android\node_modules\execa\index.js:174:9)
    at C:\Users\User-name\ReactNative-node15.6.0\test\node_modules\@react-native-community\cli-platform-android\node_modules\execa\index.js:278:16
    at processTicksAndRejections (node:internal/process/task_queues:94:5)
    at async runOnAllDevices (C:\Users\User-name\ReactNative-node15.6.0\test\node_modules\@react-native-community\cli-platform-android\build\commands\runAndroid\runOnAllDevices.js:109:5)
    at async Command.handleAction (C:\Users\User-name\ReactNative-node15.6.0\test\node_modules\@react-native-community\cli\build\index.js:192:9)
info Run CLI with --verbose flag for more details.
npm ERR! code 1
npm ERR! path C:\Users\User-name\ReactNative-node15.6.0\test
npm ERR! command failed
npm ERR! command C:\Windows\system32\cmd.exe /d /s /c react-native run-android

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\User-name\AppData\Local\npm-cache\_logs\2022-03-17T05_44_19_901Z-debug.log
PS C:\Users\User-name\ReactNative-node15.6.0\test>