안드로이드 '(project name) keeps stopping' 문제 해결 해 주실 수 있는 코딩 천재분들!! 도와주세요ㅜㅜ

조회수 2057회

실행했을 때 에뮬레이터에서 '(프로젝트 명) keeps stopping'라는 모달이 뜨고 앱 실행이 안되네요.. 이거 해결 어떻게 하는지 아시는 분 있나요 ?

도와주세요..ㅜㅜㅜㅜㅜㅜㅜㅜㅜ 이미지

2021-07-24 18:20:49.745 7597-7597/org.techtown.myfirebase E/AndroidRuntime: FATAL EXCEPTION: main Process: org.techtown.myfirebase, PID: 7597 java.lang.RuntimeException: Unable to start activity ComponentInfo{org.techtown.myfirebase/org.techtown.firebase.MainActivity}: com.google.firebase.database.DatabaseException: Failed to get FirebaseDatabase instance: Specify DatabaseURL within FirebaseApp or from your getInstance() call. at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3270) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83) at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016) at android.os.Handler.dispatchMessage(Handler.java:107) at android.os.Looper.loop(Looper.java:214) at android.app.ActivityThread.main(ActivityThread.java:7356) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930) Caused by: com.google.firebase.database.DatabaseException: Failed to get FirebaseDatabase instance: Specify DatabaseURL within FirebaseApp or from your getInstance() call. at com.google.firebase.database.FirebaseDatabase.getInstance(com.google.firebase:firebase-database@@19.2.1:97) at com.google.firebase.database.FirebaseDatabase.getInstance(com.google.firebase:firebase-database@@19.2.1:57) at org.techtown.firebase.MainActivity.onCreate(MainActivity.kt:32) at android.app.Activity.performCreate(Activity.java:7802) at android.app.Activity.performCreate(Activity.java:7791) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1299) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3245) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409)  at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83)  at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)  at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)  at android.os.Handler.dispatchMessage(Handler.java:107)  at android.os.Looper.loop(Looper.java:214)  at android.app.ActivityThread.main(ActivityThread.java:7356)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)  2021-07-24 18:20:51.727 7597-7597/org.techtown.myfirebase I/Process: Sending signal. PID: 7597 SIG: 9

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