"You need to have MainApplication in your project" after ejecting

vantezzen · December 5, 2019, 4:24pm

Hello,

I am currently developing a react-native app using Expo but I now needed to eject Expo as I need to use non-compatible features (in-app-purchases).
I ejected Expo using expo eject and selected the “Bare Workflow” as instructed by the docs. I then run yarn android to start the application, the Metro window opens and gradle begins its progress but after a while I get the following error:

Starting JS server...
Building and installing the app on the device (cd android && gradlew.bat installDebug)...
Starting a Gradle Daemon, 2 incompatible and 1 stopped Daemons could not be reused, use --status for details

FAILURE: Build failed with an exception.

* Where:
Script 'C:\Users\...\node_modules\react-native-unimodules\gradle.groovy' line: 81

* What went wrong:
A problem occurred evaluating project ':app'.
> You need to have MainApplication in your project

Looking at the file that is throwing this error (Source) looks like MainApplication.java is empty? Looking at ./android/app/src/main/java/com/NAME/MainApplication.java shows that it has contents.

What is the problem?
I tried downgrading react-native to 0.58. My application’s id is “app.NAME” so I thought I may have to simply rename the folder to main/java/app/NAME/ and simply renamed the folder but that didn’t help eather.

notbrent · December 6, 2019, 7:27pm

I tried downgrading react-native to 0.58. My application’s id is “app.NAME” so I thought I may have to simply rename the folder to main/java/app/NAME/ and simply renamed the folder but that didn’t help eather.

what did you answer for the “What should your Android Studio and Xcode projects be called?” eject step?

luisotavio05 · February 10, 2020, 7:07pm

same problem here, what was your solution?

arifikri · March 20, 2020, 12:50pm

In my case, I debug the gradle.groovy a

def generateBasePackageList(List unimodules) {
def findMainJavaApp = new FileNameFinder().getFileNames(rootProject.getProjectDir().getPath(), ‘/MainApplication.java’, ‘’)
def findMainKtApp = new FileNameFinder().getFileNames(rootProject.getProjectDir().getPath(), '/MainApplication.kt’, ‘’)

There were two MainApplication.java found, one under java/com/xx.xx, the other under java/host/exp/exponent/generated/

I renamed the one under this generated folder, then the script can go through this error, still hasn’t successfully running yet.

lc3t35 · April 17, 2020, 10:23am

Same problem with SDK37, ejected app, in android directory : ./gradlew clean or ./gradlew installDebug

A problem occurred evaluating project :app.
Script '/.....xxxx-app/node_modules/react-native-unimodules/gradle.groovy' line: 81
You need to have MainApplication in your project
org.gradle.api.GradleScriptException: A problem occurred evaluating project ':app'.Open stacktrace
Caused by: org.gradle.api.GradleException: You need to have MainApplication in your projectClose stacktrace
at gradle.generateBasePackageList(/Users/linaia/Work/Linaia/myfamiliz/myfamiliz-app/node_modules/react-native-unimodules/gradle.groovy:81)
at gradle_1jadoswi1cic257fm9tirrz5b$generateBasePackageList$3.callCurrent(Unknown Source)
at gradle.addUnimodulesDependencies(/Users/linaia/Work/Linaia/myfamiliz/myfamiliz-app/node_modules/react-native-unimodules/gradle.groovy:192)
at gradle$_run_closure1.doCall(/Users/linaia/Work/Linaia/myfamiliz/myfamiliz-app/node_modules/react-native-unimodules/gradle.groovy:225)
at gradle$_run_closure1.doCall(/Users/linaia/Work/Linaia/myfamiliz/myfamiliz-app/node_modules/react-native-unimodules/gradle.groovy)
at org.gradle.internal.metaobject.BeanDynamicObject$MetaClassAdapter.invokeMethod(BeanDynamicObject.java:479)
at org.gradle.internal.metaobject.BeanDynamicObject.tryInvokeMethod(BeanDynamicObject.java:191)
at org.gradle.internal.extensibility.MixInClosurePropertiesAsMethodsDynamicObject.tryInvokeMethod(MixInClosurePropertiesAsMethodsDynamicObject.java:45)
at org.gradle.groovy.scripts.BasicScript$ScriptDynamicObject.tryInvokeMethod(BasicScript.java:134)
at org.gradle.internal.metaobject.ConfigureDelegate.invokeMethod(ConfigureDelegate.java:77)
at build$_run_closure2.doCall(/Users/linaia/Work/Linaia/myfamiliz/myfamiliz-app/android/app/build.gradle:193)
at org.gradle.util.ClosureBackedAction.execute(ClosureBackedAction.java:71)
at org.gradle.util.ConfigureUtil.configureTarget(ConfigureUtil.java:154)
at org.gradle.util.ConfigureUtil.configure(ConfigureUtil.java:105)
at org.gradle.api.internal.project.DefaultProject.dependencies(DefaultProject.java:1192)
at org.gradle.internal.metaobject.BeanDynamicObject$MetaClassAdapter.invokeMethod(BeanDynamicObject.java:479)
at org.gradle.internal.metaobject.BeanDynamicObject.tryInvokeMethod(BeanDynamicObject.java:191)
at org.gradle.internal.metaobject.CompositeDynamicObject.tryInvokeMethod(CompositeDynamicObject.java:98)
at org.gradle.internal.extensibility.MixInClosurePropertiesAsMethodsDynamicObject.tryInvokeMethod(MixInClosurePropertiesAsMethodsDynamicObject.java:33)
at org.gradle.groovy.scripts.BasicScript$ScriptDynamicObject.tryInvokeMethod(BasicScript.java:134)
at org.gradle.internal.metaobject.AbstractDynamicObject.invokeMethod(AbstractDynamicObject.java:162)
at org.gradle.groovy.scripts.BasicScript.invokeMethod(BasicScript.java:83)
at build.run(/Users/linaia/Work/Linaia/myfamiliz/myfamiliz-app/android/app/build.gradle:185)
at org.gradle.groovy.scripts.internal.DefaultScriptRunnerFactory$ScriptRunnerImpl.run(DefaultScriptRunnerFactory.java:91)
at org.gradle.configuration.DefaultScriptPluginFactory$ScriptPluginImpl$2.run(DefaultScriptPluginFactory.java:227)
at org.gradle.configuration.ProjectScriptTarget.addConfiguration(ProjectScriptTarget.java:77)
at org.gradle.configuration.DefaultScriptPluginFactory$ScriptPluginImpl.apply(DefaultScriptPluginFactory.java:232)
at org.gradle.configuration.BuildOperationScriptPlugin$1$1.run(BuildOperationScriptPlugin.java:69)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:402)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:394)
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.run(DefaultBuildOperationExecutor.java:92)
at org.gradle.internal.operations.DelegatingBuildOperationExecutor.run(DelegatingBuildOperationExecutor.java:31)
at org.gradle.configuration.BuildOperationScriptPlugin$1.execute(BuildOperationScriptPlugin.java:66)
at org.gradle.configuration.BuildOperationScriptPlugin$1.execute(BuildOperationScriptPlugin.java:63)
at org.gradle.configuration.internal.DefaultUserCodeApplicationContext.apply(DefaultUserCodeApplicationContext.java:49)
at org.gradle.configuration.BuildOperationScriptPlugin.apply(BuildOperationScriptPlugin.java:63)
at org.gradle.configuration.project.BuildScriptProcessor$1.run(BuildScriptProcessor.java:45)
at org.gradle.internal.Factories$1.create(Factories.java:26)
at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.withMutableState(DefaultProjectStateRegistry.java:201)
at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.withMutableState(DefaultProjectStateRegistry.java:187)
at org.gradle.configuration.project.BuildScriptProcessor.execute(BuildScriptProcessor.java:42)
at org.gradle.configuration.project.BuildScriptProcessor.execute(BuildScriptProcessor.java:26)
at org.gradle.configuration.project.ConfigureActionsProjectEvaluator.evaluate(ConfigureActionsProjectEvaluator.java:35)
at org.gradle.configuration.project.LifecycleProjectEvaluator$EvaluateProject$1.run(LifecycleProjectEvaluator.java:107)
at org.gradle.internal.Factories$1.create(Factories.java:26)
at org.gradle.internal.work.DefaultWorkerLeaseService.withLocks(DefaultWorkerLeaseService.java:189)
at org.gradle.internal.work.StopShieldingWorkerLeaseService.withLocks(StopShieldingWorkerLeaseService.java:40)
at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.withProjectLock(DefaultProjectStateRegistry.java:227)
at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.withMutableState(DefaultProjectStateRegistry.java:221)
at org.gradle.api.internal.project.DefaultProjectStateRegistry$ProjectStateImpl.withMutableState(DefaultProjectStateRegistry.java:187)
at org.gradle.configuration.project.LifecycleProjectEvaluator$EvaluateProject.run(LifecycleProjectEvaluator.java:96)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:402)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:394)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$1.execute(DefaultBuildOperationExecutor.java:165)
at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:250)
at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:158)
at org.gradle.internal.operations.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:92)
at org.gradle.internal.operations.DelegatingBuildOperationExecutor.run(DelegatingBuildOperationExecutor.java:31)
at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:68)
at org.gradle.api.internal.project.DefaultProject.evaluate(DefaultProject.java:693)
at org.gradle.api.internal.project.DefaultProject.evaluate(DefaultProject.java:141)
at org.gradle.execution.TaskPathProjectEvaluator.configure(TaskPathProjectEvaluator.java:36)
at org.gradle.execution.TaskPathProjectEvaluator.configureHierarchy(TaskPathProjectEvaluator.java:64)
at org.gradle.configuration.DefaultProjectsPreparer.prepareProjects(DefaultProjectsPreparer.java:55)
at org.gradle.configuration.BuildOperatingFiringProjectsPreparer$ConfigureBuild.run(BuildOperatingFiringProjectsPreparer.java:52)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:402)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:394)
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.run(DefaultBuildOperationExecutor.java:92)
at org.gradle.internal.operations.DelegatingBuildOperationExecutor.run(DelegatingBuildOperationExecutor.java:31)
at org.gradle.configuration.BuildOperatingFiringProjectsPreparer.prepareProjects(BuildOperatingFiringProjectsPreparer.java:40)
at org.gradle.initialization.DefaultGradleLauncher.prepareProjects(DefaultGradleLauncher.java:198)
at org.gradle.initialization.DefaultGradleLauncher.doClassicBuildStages(DefaultGradleLauncher.java:138)
at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:126)
at org.gradle.initialization.DefaultGradleLauncher.executeTasks(DefaultGradleLauncher.java:106)
at org.gradle.internal.invocation.GradleBuildController$1.execute(GradleBuildController.java:60)
at org.gradle.internal.invocation.GradleBuildController$1.execute(GradleBuildController.java:57)
at org.gradle.internal.invocation.GradleBuildController$3.create(GradleBuildController.java:85)
at org.gradle.internal.invocation.GradleBuildController$3.create(GradleBuildController.java:78)
at org.gradle.internal.work.DefaultWorkerLeaseService.withLocks(DefaultWorkerLeaseService.java:189)
at org.gradle.internal.work.StopShieldingWorkerLeaseService.withLocks(StopShieldingWorkerLeaseService.java:40)
at org.gradle.internal.invocation.GradleBuildController.doBuild(GradleBuildController.java:78)
at org.gradle.internal.invocation.GradleBuildController.run(GradleBuildController.java:57)
at org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(ExecuteBuildActionRunner.java:31)
at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
at org.gradle.launcher.exec.BuildOutcomeReportingBuildActionRunner.run(BuildOutcomeReportingBuildActionRunner.java:63)
at org.gradle.tooling.internal.provider.ValidatingBuildActionRunner.run(ValidatingBuildActionRunner.java:32)
at org.gradle.launcher.exec.BuildCompletionNotifyingBuildActionRunner.run(BuildCompletionNotifyingBuildActionRunner.java:39)
at org.gradle.launcher.exec.RunAsBuildOperationBuildActionRunner$3.call(RunAsBuildOperationBuildActionRunner.java:51)
at org.gradle.launcher.exec.RunAsBuildOperationBuildActionRunner$3.call(RunAsBuildOperationBuildActionRunner.java:45)
at org.gradle.internal.operations.DefaultBuildOperationExecutor$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.launcher.exec.RunAsBuildOperationBuildActionRunner.run(RunAsBuildOperationBuildActionRunner.java:45)
at org.gradle.launcher.exec.InProcessBuildActionExecuter$1.transform(InProcessBuildActionExecuter.java:50)
at org.gradle.launcher.exec.InProcessBuildActionExecuter$1.transform(InProcessBuildActionExecuter.java:47)
at org.gradle.composite.internal.DefaultRootBuildState.run(DefaultRootBuildState.java:78)
at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:47)
at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:31)
at org.gradle.launcher.exec.BuildTreeScopeBuildActionExecuter.execute(BuildTreeScopeBuildActionExecuter.java:42)
at org.gradle.launcher.exec.BuildTreeScopeBuildActionExecuter.execute(BuildTreeScopeBuildActionExecuter.java:28)
at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:78)
at org.gradle.tooling.internal.provider.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:52)
at org.gradle.tooling.internal.provider.SubscribableBuildActionExecuter.execute(SubscribableBuildActionExecuter.java:59)
at org.gradle.tooling.internal.provider.SubscribableBuildActionExecuter.execute(SubscribableBuildActionExecuter.java:36)
at org.gradle.tooling.internal.provider.SessionScopeBuildActionExecuter.execute(SessionScopeBuildActionExecuter.java:68)
at org.gradle.tooling.internal.provider.SessionScopeBuildActionExecuter.execute(SessionScopeBuildActionExecuter.java:38)
at org.gradle.tooling.internal.provider.GradleThreadBuildActionExecuter.execute(GradleThreadBuildActionExecuter.java:37)
at org.gradle.tooling.internal.provider.GradleThreadBuildActionExecuter.execute(GradleThreadBuildActionExecuter.java:26)
at org.gradle.tooling.internal.provider.ParallelismConfigurationBuildActionExecuter.execute(ParallelismConfigurationBuildActionExecuter.java:43)
at org.gradle.tooling.internal.provider.ParallelismConfigurationBuildActionExecuter.execute(ParallelismConfigurationBuildActionExecuter.java:29)
at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:60)
at org.gradle.tooling.internal.provider.StartParamsValidatingActionExecuter.execute(StartParamsValidatingActionExecuter.java:32)
at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:55)
at org.gradle.tooling.internal.provider.SessionFailureReportingActionExecuter.execute(SessionFailureReportingActionExecuter.java:41)
at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:48)
at org.gradle.tooling.internal.provider.SetupLoggingActionExecuter.execute(SetupLoggingActionExecuter.java:32)
at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:68)
at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:37)
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:39)
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:27)
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
at org.gradle.launcher.daemon.server.exec.RequestStopIfSingleUsedDaemon.execute(RequestStopIfSingleUsedDaemon.java:35)
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.create(ForwardClientInput.java:78)
at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.create(ForwardClientInput.java:75)
at org.gradle.util.Swapper.swap(Swapper.java:38)
at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:75)
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
at org.gradle.launcher.daemon.server.exec.LogAndCheckHealth.execute(LogAndCheckHealth.java:55)
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:63)
at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:37)
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:82)
at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:37)
at org.gradle.launcher.daemon.server.api.DaemonCommandExecution.proceed(DaemonCommandExecution.java:104)
at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:52)
at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(DaemonStateCoordinator.java:297)
at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)
at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:56)

jeel24 · May 6, 2020, 3:29pm

Did anyone get the solution of this problem?? I’m also stuck with this issue

hypnoticfrog · May 9, 2020, 4:19pm

Also having trouble with this. I’m on Windows 10 and just ejected from expo sdk 37.

Seems like findMainJavaApp in line 77 of gradle.groovy doesn’t find the full path of the MainApplication.java (or MainApplication.kt)

rootProject.getProjectDir().getPath() gets only to the android project dir… and not down to the app.src…com.XXX where your MainApplication is.

For a quick fix replace the rootProject.getProjectDir().getPath() in lines 77 and 78 with the absolute path of the parent directory of your MainApplication.java (or .kt) file.

I’ll try to post an issue about this in unimodules Github ASAC.

notbrent · May 9, 2020, 6:27pm

hi! can someone please post a reproducible example repository?

also, is everyone here using windows?

hellotree · May 30, 2020, 12:35pm

Any updates? Having the same issue after ejecting. SDK 37.

App running perfectly on iOS even Expo Push

hellotree · May 30, 2020, 12:36pm

No using mac

notbrent · May 30, 2020, 8:52pm

can you please post a reproducible example repository?

pandy2013 · June 1, 2020, 2:20pm

Having this issue as well SDK 37

wonjo · June 9, 2020, 11:01am

I had a same issue like this. I downgraded JDK from 11 to8.
It works now anyway.

hj.kang · October 27, 2021, 7:15am

I’ve same problem.

In my case, when I ejected my expo project, even though i don’t know why, there was no AndroidManifest.xml file.
so I copied another project’s xml file in /android/app/src/main/AndroidManifest.xml like this

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
  package="com.stiproject">

    <uses-permission android:name="android.permission.INTERNET" />
    <!-- Required -->
    <uses-permission android:name="android.permission.CAMERA" />

    <!-- Include this only if you are planning to use the camera roll -->
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

    <!-- Include this only if you are planning to use the microphone for video recording -->
    <uses-permission android:name="android.permission.RECORD_AUDIO"/>
    
    <application
      android:name=".MainApplication"
      android:label="@string/app_name"
      android:icon="@mipmap/ic_launcher"
      android:roundIcon="@mipmap/ic_launcher_round"
      android:allowBackup="false"
      android:theme="@style/AppTheme">
      <activity
        android:name=".MainActivity"
        android:label="@string/app_name"
        android:configChanges="keyboard|keyboardHidden|orientation|screenSize|uiMode"
        android:launchMode="singleTask"
        android:windowSoftInputMode="adjustResize">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
      </activity>
    </application>
</manifest>

and I run expo eject, yarn android and boom, same problem.

but I’ve had mistake before.
package name and name you might input just after expo eject has to SAME.

<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.stiproject">

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"You need to have MainApplication in your project" after ejecting

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