2022-10-08T12:48:29.920Z

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아래와 같이 스튜디오에 뜨고
앱에 오류 발생이라고 휴대폰 화면에 뜹니다.
"앱에 버그가 있어 앱을 종료했습니다 개발자가 오류 수정본을 제공하면 앱을 업데이트해보세요" 라구요
유선연결 하는 링크를 알려주시면 참고 하겠습니다.

Executing tasks: [:app:assembleDebug] in project C:\Users\john\AndroidStudioProjects\fb_log_in_test

> Task :app:createDebugVariantModel UP-TO-DATE

> Task :app:preBuild UP-TO-DATE

> Task :app:preDebugBuild UP-TO-DATE

> Task :app:mergeDebugNativeDebugMetadata NO-SOURCE

> Task :app:compileDebugAidl NO-SOURCE

> Task :app:compileDebugRenderscript NO-SOURCE

> Task :app:generateDebugBuildConfig UP-TO-DATE

> Task :app:checkDebugAarMetadata UP-TO-DATE

> Task :app:generateDebugResValues UP-TO-DATE

> Task :app:mapDebugSourceSetPaths UP-TO-DATE

> Task :app:generateDebugResources UP-TO-DATE

> Task :app:mergeDebugResources UP-TO-DATE

> Task :app:packageDebugResources UP-TO-DATE

> Task :app:parseDebugLocalResources UP-TO-DATE

> Task :app:createDebugCompatibleScreenManifests UP-TO-DATE

> Task :app:extractDeepLinksDebug UP-TO-DATE

> Task :app:processDebugMainManifest UP-TO-DATE

> Task :app:processDebugManifest UP-TO-DATE

> Task :app:processDebugManifestForPackage UP-TO-DATE

> Task :app:processDebugResources UP-TO-DATE

> Task :app:compileDebugKotlin UP-TO-DATE

> Task :app:javaPreCompileDebug UP-TO-DATE

> Task :app:compileDebugJavaWithJavac UP-TO-DATE

> Task :app:mergeDebugShaders UP-TO-DATE

> Task :app:compileDebugShaders NO-SOURCE

> Task :app:generateDebugAssets UP-TO-DATE

> Task :app:mergeDebugAssets UP-TO-DATE

> Task :app:compressDebugAssets UP-TO-DATE

> Task :app:processDebugJavaRes NO-SOURCE

> Task :app:mergeDebugJavaResource UP-TO-DATE

> Task :app:checkDebugDuplicateClasses UP-TO-DATE

> Task :app:desugarDebugFileDependencies UP-TO-DATE

> Task :app:mergeExtDexDebug UP-TO-DATE

> Task :app:mergeLibDexDebug UP-TO-DATE

> Task :app:dexBuilderDebug UP-TO-DATE

> Task :app:mergeProjectDexDebug UP-TO-DATE

> Task :app:mergeDebugJniLibFolders UP-TO-DATE

> Task :app:mergeDebugNativeLibs NO-SOURCE

> Task :app:stripDebugDebugSymbols NO-SOURCE

> Task :app:validateSigningDebug UP-TO-DATE

> Task :app:writeDebugAppMetadata UP-TO-DATE

> Task :app:writeDebugSigningConfigVersions UP-TO-DATE

> Task :app:packageDebug UP-TO-DATE

> Task :app:createDebugApkListingFileRedirect UP-TO-DATE

> Task :app:assembleDebug UP-TO-DATE

BUILD SUCCESSFUL in 1s

33 actionable tasks: 33 up-to-date

Build Analyzer results available

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https://www.youtube.com/watch?v=CXhVanWdo4k

usb선을 연결하는 방법입니다.

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실행해 보았으나 동일한 증상이네요.. 흐름을 탓을 때 들어야하는데요..

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로그는 잘 빌드가 되었다고 하는데, 뭔가 에러나는 포인트에서 나오는 로그를 보내주시겠어요?

https://www.inflearn.com/questions/668037

혹시 위와 같은 동일한 에러이면 이 부분을 참고해보시겠어요?

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오후 10:23 Executing tasks: [:app:assembleDebug] in project C:\Users\john\AndroidStudioProjects\fb_log_in_test

오후 10:23 Gradle build finished in 1 s 737 ms

오후 10:23 Launch succeeded

로그는 정상적으로 나오는것 같습니다. 주신 링크도 참고햇는데 동일한 증상이네요..

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에뮬레이터도 마찬가지인가요?

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애뮬레이터로 하기가 어려워서 무선으로 했습니다.. 컴퓨터도 받쳐주질 못하는 것 같아서요

log cat에서 다음과 같이 빨간불로 들어오네요

2022-10-09 22:15:34.478 5250-5250/com.ayh.fb_log_in_test E/AndroidRuntime: FATAL EXCEPTION: main

Process: com.ayh.fb_log_in_test, PID: 5250

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.ayh.fb_log_in_test/com.ayh.fb_log_in_test.MainActivity}: java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.ayh.fb_log_in_test. Make sure to call FirebaseApp.initializeApp(Context) first.

at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4111)

at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4277)

at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:103)

at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)

at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)

at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2443)

at android.os.Handler.dispatchMessage(Handler.java:106)

at android.os.Looper.loopOnce(Looper.java:226)

at android.os.Looper.loop(Looper.java:313)

at android.app.ActivityThread.main(ActivityThread.java:8751)

at java.lang.reflect.Method.invoke(Native Method)

at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:571)

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1135)

Caused by: java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.ayh.fb_log_in_test. Make sure to call FirebaseApp.initializeApp(Context) first.

at com.google.firebase.FirebaseApp.getInstance(FirebaseApp.java:186)

at com.google.firebase.auth.FirebaseAuth.getInstance(com.google.firebase:firebase-auth@@21.0.8:1)

at com.google.firebase.auth.ktx.AuthKt.getAuth(com.google.firebase:firebase-auth-ktx@@21.0.8:8)

at com.ayh.fb_log_in_test.MainActivity.onCreate(MainActivity.kt:21)

at android.app.Activity.performCreate(Activity.java:8290)

at android.app.Activity.performCreate(Activity.java:8270)

at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1329)

at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4085)

at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4277) 

at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:103) 

at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) 

at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) 

at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2443) 

at android.os.Handler.dispatchMessage(Handler.java:106) 

at android.os.Looper.loopOnce(Looper.java:226) 

at android.os.Looper.loop(Looper.java:313) 

at android.app.ActivityThread.main(ActivityThread.java:8751) 

at java.lang.reflect.Method.invoke(Native Method) 

at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:571) 

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1135) 

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2022-10-09 22:15:34.258 5250-5250/? E/USNET: USNET: appName: com.ayh.fb_log_in_test

이것도 있네요..

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우선 에뮬레이터문제인지 / 코드 문제인지 알아야할 것 같습니다.

에뮬레이터로 정상 동작하는지 확인 후, 원인을 찾기 어려우시면 코드를 깃허브에 공유하고 링크를 공유주시겠어요?