[更新]:我执行了以下步骤:

[UPDATE]: I did the following steps:

1)终端中的cd android2)gradlew清洁光盘..3)react-native run-android

1)cd android in terminal 2)gradlew clean cd .. 3)react-native run-android

现在我遇到以下错误:

PS C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013> npx react-native run-android
info Running jetifier to migrate libraries to AndroidX. You can disable it using "--no-jetifier" flag.
Jetifier found 1114 file(s) to forward-jetify. Using 8 workers...
info Starting JS server...
info Launching emulator...
info Successfully launched emulator.
info Installing the app...

> Configure project :react-native-firebase_app
:react-native-firebase_app package.json found at C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013\node_modules\@react-native-firebase\app\package.json
:react-native-firebase_app:firebase.bom using default value: 26.0.0
:react-native-firebase_app:play.play-services-auth using default value: 18.1.0
:react-native-firebase_app package.json found at C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013\node_modules\@react-native-firebase\app\package.json
:react-native-firebase_app:version set from package.json: 10.1.0 (10,1,0 - 10001000)
:react-native-firebase_app:android.compileSdk using custom value: 29
:react-native-firebase_app:android.targetSdk using custom value: 29
:react-native-firebase_app:android.minSdk using custom value: 16
:react-native-firebase_app:reactNativeAndroidDir C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013\node_modules\react-native\android

> Configure project :react-native-firebase_auth
:react-native-firebase_auth package.json found at C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013\node_modules\@react-native-firebase\auth\package.json
:react-native-firebase_app package.json found at C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013\node_modules\@react-native-firebase\app\package.json
:react-native-firebase_auth:firebase.bom using default value: 26.0.0
:react-native-firebase_auth package.json found at C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013\node_modules\@react-native-firebase\auth\package.json
:react-native-firebase_auth:version set from package.json: 10.1.0 (10,1,0 - 10001000)
:react-native-firebase_auth:android.compileSdk using custom value: 29
:react-native-firebase_auth:android.targetSdk using custom value: 29
:react-native-firebase_auth:android.minSdk using custom value: 16
:react-native-firebase_auth:reactNativeAndroidDir C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013\node_modules\react-native\android

> Task :react-native-community_google-signin:compileDebugJavaWithJavac

> Task :react-native-firebase_app:compileDebugJavaWithJavac

> Task :react-native-gesture-handler:compileDebugJavaWithJavac

> Task :react-native-firebase_auth:compileDebugJavaWithJavac

> Task :react-native-reanimated:compileDebugJavaWithJavac

> Task :react-native-screens:compileDebugJavaWithJavac

> Task :app:compileDebugJavaWithJavac

> Task :app:mergeExtDexDebug 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/6.2/userguide/command_line_interface.html#sec:command_line_warnings
158 actionable tasks: 155 executed, 3 up-to-date
Note: C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013\node_modules\@react-native-community\google-signin\android\src\main\java\co\apptailor\googlesignin\RNGoogleSigninModule.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
Note: C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013\node_modules\@react-native-firebase\auth\android\src\main\java\io\invertase\firebase\auth\ReactNativeFirebaseAuthModule.java uses or overrides a deprecated API. 
Note: Recompile with -Xlint:deprecation for details.
Note: C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013\node_modules\react-native-reanimated\android\src\main\java\com\swmansion\reanimated\NodesManager.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013\node_modules\react-native-reanimated\android\src\main\java\com\swmansion\reanimated\NodesManager.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
Note: C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013\android\app\src\debug\java\com\mrent\ReactNativeFlipper.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
java.nio.file.NoSuchFileException: C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013\android\app\build\intermediates\external_file_lib_dex_archives\debug\out
        at sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:79)
        at sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:97)
        at sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:102)
        at sun.nio.fs.WindowsDirectoryStream.<init>(WindowsDirectoryStream.java:86)
        at sun.nio.fs.WindowsFileSystemProvider.newDirectoryStream(WindowsFileSystemProvider.java:518)
        at java.nio.file.Files.newDirectoryStream(Files.java:457)
        at java.nio.file.Files.list(Files.java:3451)
        at com.android.build.gradle.internal.tasks.DexMergingParams.getAllDexFiles(DexMergingTask.kt:502)
        at com.android.build.gradle.internal.tasks.DexMergingTaskRunnable.run(DexMergingTask.kt:423)
        at com.android.build.gradle.internal.tasks.Workers$ActionFacade.run(Workers.kt:335)
        at org.gradle.workers.internal.AdapterWorkAction.execute(AdapterWorkAction.java:57)
        at org.gradle.workers.internal.DefaultWorkerServer.execute(DefaultWorkerServer.java:63)
        at org.gradle.workers.internal.NoIsolationWorkerFactory$1$1.create(NoIsolationWorkerFactory.java:66)
        at org.gradle.workers.internal.NoIsolationWorkerFactory$1$1.create(NoIsolationWorkerFactory.java:62)
        at org.gradle.internal.classloader.ClassLoaderUtils.executeInClassloader(ClassLoaderUtils.java:98)
        at org.gradle.workers.internal.NoIsolationWorkerFactory$1.lambda$execute$0(NoIsolationWorkerFactory.java:62)
        at org.gradle.workers.internal.AbstractWorker$1.call(AbstractWorker.java:44)
        at org.gradle.workers.internal.AbstractWorker$1.call(AbstractWorker.java:41)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:416)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:406)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor$1.execute(DefaultBuildOperationExecutor.java:165)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:250)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:158)
        at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:102)
        at org.gradle.internal.operations.DelegatingBuildOperationExecutor.call(DelegatingBuildOperationExecutor.java:36)
        at org.gradle.workers.internal.AbstractWorker.executeWrappedInBuildOperation(AbstractWorker.java:41)
        at org.gradle.workers.internal.NoIsolationWorkerFactory$1.execute(NoIsolationWorkerFactory.java:59)
        at org.gradle.workers.internal.DefaultWorkerExecutor.lambda$submitWork$2(DefaultWorkerExecutor.java:198)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.runExecution(DefaultConditionalExecutionQueue.java:215)
        at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.runBatch(DefaultConditionalExecutionQueue.java:164)
        at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.run(DefaultConditionalExecutionQueue.java:131)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
        at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:56)
        at java.lang.Thread.run(Thread.java:748)


FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:mergeExtDexDebug'.
> A failure occurred while executing com.android.build.gradle.internal.tasks.Workers$ActionFacade
   > java.nio.file.NoSuchFileException: C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013\android\app\build\intermediates\external_file_lib_dex_archives\debug\out

* 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 54s

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
Note: C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013\node_modules\@react-native-community\google-signin\android\src\main\java\co\apptailor\googlesignin\RNGoogleSigninModule.java uses unchecked or unsafe operations.       
npm ERR! code 1
npm ERR! path C:\Users\Sven\Desktop\FAKS\MRENT projekt\AIR2013
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\Sven\AppData\Local\npm-cache\_logs\2020-12-24T18_31_11_425Z-debug.log