タスク：react-native-webview：compileDebugJavaWithJavac FAILED
React-native.webviewパッケージをインストールした後でReact Nativeアプリケーションを実行しようとすると、このエラーが発生し続けます。私が何を間違っているのでしょうか。
info Running jetifier to migrate libraries to AndroidX. You can disable it using "--no-jetifier" flag.
Jetifier found 1135 file(s) to forward-jetify. Using 8 workers...
info Starting JS server...
info Installing the app...
Starting a Gradle Daemon, 1 busy Daemon could not be reused, use --status for details
> Task :react-native-webview:compileDebugJavaWithJavac
> Task :react-native-webview:compileDebugJavaWithJavac FAILED
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
79 actionable tasks: 14 executed, 65 up-to-date
C:\Projects\React-Native\FUNAI\node_modules\react-native-webview\Android\src\main\Java\com\reactnativecommunity\webview\RNCWebViewModule.Java:276: error: cannot find symbol
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
^
symbol: variable Q
location: class VERSION_CODES
Note: C:\Projects\React-Native\FUNAI\node_modules\react-native-webview\Android\src\main\Java\com\reactnativecommunity\webview\RNCWebViewManager.Java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: C:\Projects\React-Native\FUNAI\node_modules\react-native-webview\Android\src\main\Java\com\reactnativecommunity\webview\RNCWebViewManager.Java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
1 error
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':react-native-webview:compileDebugJavaWithJavac'.
> Compilation failed; see the compiler error output for details.
* 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 1m 37s
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
C:\Projects\React-Native\FUNAI\node_modules\react-native-webview\Android\src\main\Java\com\reactnativecommunity\webview\RNCWebViewModule.Java:276: error: cannot find symbol
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
^
symbol: variable Q
location: class VERSION_CODES
Note: C:\Projects\React-Native\FUNAI\node_modules\react-native-webview\Android\src\main\Java\com\reactnativecommunity\webview\RNCWebViewManager.Java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: C:\Projects\React-Native\FUNAI\node_modules\react-native-webview\Android\src\main\Java\com\reactnativecommunity\webview\RNCWebViewManager.Java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
1 error
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':react-native-webview:compileDebugJavaWithJavac'.
> Compilation failed; see the compiler error output for details.
* 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 1m 37s
at makeError (C:\Projects\React-Native\FUNAI\node_modules\execa\index.js:174:9)
at Promise.all.then.arr (C:\Projects\React-Native\FUNAI\node_modules\execa\index.js:278:16)
at process._tickCallback (internal/process/next_tick.js:68:7)
WebViewをインストールしたときにも同じ問題が発生します。
これを修正するには、compileSdkVersionを29に更新する必要があります。その間、buildToolsVersionを更新することもできます。これを行うには、プロジェクトの/Android/build.gradleファイルのこれらの行を変更します。
buildscript {
ext {
…
buildToolsVersion = "29.0.3"
compileSdkVersion = 29
…
}
…
}