빌드도 잘 되는데 실행만 하면 앱이 바로 종료됩니다 ㅠㅠ

Question

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2022-04-15 13:45:29.013 10030-10030/? E/dsic.app.cjpda: Unknown bits set in runtime_flags: 0x8000 2022-04-15 13:45:32.371 10030-10067/dsic.app.cjpda E/Perf: Fail to get file list dsic.app.cjpda 2022-04-15 13:45:32.372 10030-10067/dsic.app.cjpda E/Perf: getFolderSize() : Exception_1 = java.lang.NullPointerException: Attempt to get length of null array 2022-04-15 13:45:32.373 10030-10067/dsic.app.cjpda E/Perf: Fail to get file list dsic.app.cjpda 2022-04-15 13:45:32.374 10030-10067/dsic.app.cjpda E/Perf: getFolderSize() : Exception_1 = java.lang.NullPointerException: Attempt to get length of null array 2022-04-15 13:45:32.666 10030-10030/dsic.app.cjpda E/AndroidRuntime: FATAL EXCEPTION: main     Process: dsic.app.cjpda, PID: 10030     java.lang.RuntimeException: Unable to start activity ComponentInfo{dsic.app.cjpda/dsic.app.cjpda.MainActivity}: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.         at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3271)         at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3410)         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$H.handleMessage(ActivityThread.java:2017)         at android.os.Handler.dispatchMessage(Handler.java:107)         at android.os.Looper.loop(Looper.java:214)         at android.app.ActivityThread.main(ActivityThread.java:7397)         at java.lang.reflect.Method.invoke(Native Method)         at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)         at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:935)      Caused by: java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity.         at androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor(AppCompatDelegateImpl.java:843)         at androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor(AppCompatDelegateImpl.java:806)         at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:693)         at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:170)         at dsic.app.cjpda.MainActivity.onCreate(MainActivity.java:39)         at android.app.Activity.performCreate(Activity.java:7802)         at android.app.Activity.performCreate(Activity.java:7791)         at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1307)         at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3246)         at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3410)          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$H.handleMessage(ActivityThread.java:2017)          at android.os.Handler.dispatchMessage(Handler.java:107)          at android.os.Looper.loop(Looper.java:214)          at android.app.ActivityThread.main(ActivityThread.java:7397)          at java.lang.reflect.Method.invoke(Native Method)          at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)          at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:935)

로그캣 에러부분입니다... 이렇게 떠서 가보면 애초에 수정할 수 없는 자바코드창으로 가는데 어떻게 해야할까요??ㅠㅠ

Answer 1

Theme 문제로 보이는 데요.  valuest/theme.xml에 가셔서, 아래 처럼 parent를 Theme.AppCompat으로 시작하는 Theme으로 지정해주세요. 

 

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<?xml version="1.0" encoding="utf-8"?> <resources>       <style name="AppTheme" parent="ThemeOverlay.AppCompat.Dark.ActionBar">         ...     </style>   </resources>

아래 중의 하나를 사용하시면 될 것 같구요.

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Theme.AppCompat.Light.DarkActionBar Theme.AppCompat.Dark.DarkActionBar

 

툴바를 직접 지정해서 사용하고 계시면 NoActionBar를 사용하시면 됩니다.
 

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Theme.AppCompat.Light.NoActionBar Theme.AppCompat.Dark.NoActionBar

 

원인은 사용하고 계신 안드로이드 라이브러리 버전이 Matrial Theme을 지원하지 않기 때문에 AppCompat을 사용하셔 하는 걸로 보입니다.

Comments

너무 감사합니다. 테마 문제가 맞았습니다. 알려주셔서 감사합니다!!!!!!