안드로이드 스튜디오 앱 실행 중단문제

Question

로그 챗 올리는데 제발 어떻게 할지 알려주세요 ㅠㅠ

java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.rlawh.news_search/com.example.rlawh.news_search.MainActivity}: java.lang.ClassNotFoundException: Didn't find class "com.example.rlawh.news_search.MainActivity" on path: DexPathList[[zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/base.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_0_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_1_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_2_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_3_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_4_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_5_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_6_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_7_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_8_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_9_apk.apk"],nativeLibraryDirectories=[/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/lib/x86, /system/lib, /vendor/lib]]
                                                     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2679)
                                                     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2856)
                                                     at android.app.ActivityThread.-wrap11(Unknown Source:0)

at 

android.app.ActivityThread$H.handleMessage(ActivityThread.java:1589)

at

 android.os.Handler.dispatchMessage(Handler.java:106)
                                                     at android.os.Looper.loop(Looper.java:164)
                                                     at android.app.ActivityThread.main(ActivityThread.java:6494)
                                                     at java.lang.reflect.Method.invoke(Native Method)
                                                     at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)

  at 

com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
                                                  Caused by: java.lang.ClassNotFoundException: Didn't find class "com.example.rlawh.news_search.MainActivity" on path: DexPathList[[zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/base.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_0_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_1_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_2_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_3_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_4_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_5_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_6_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_7_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_8_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_9_apk.apk"],nativeLibraryDirectories=[/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/lib/x86, /system/lib, /vendor/lib]]
                                                     at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:125)
                                                     at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
                                                     at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
                                                     at android.app.Instrumentation.newActivity(Instrumentation.java:1174)
                                                     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2669)
                                                     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2856) 
                                                     at android.app.ActivityThread.-wrap11(Unknown Source:0) 
                                                     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1589) 
                                                     at android.os.Handler.dispatchMessage(Handler.java:106) 
                                                     at android.os.Looper.loop(Looper.java:164) 
                                                     at android.app.ActivityThread.main(ActivityThread.java:6494) 
                                                     at java.lang.reflect.Method.invoke(Native Method) 
                                                     at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438) 
                                                     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807) 
12-10 08:39:17.247 4932-4932/? E/AndroidRuntime: 	Suppressed: java.lang.NoClassDefFoundError: Failed resolution of: Landroid/support/v7/app/AppCompatActivity;
                                                     at java.lang.VMClassLoader.findLoadedClass(Native Method)
                                                     at java.lang.ClassLoader.findLoadedClass(ClassLoader.java:738)
                                                     at java.lang.ClassLoader.loadClass(ClassLoader.java:363)
                                                  Caused by: java.lang.ClassNotFoundException: Didn't find class "android.support.v7.app.AppCompatActivity" on path: DexPathList[[zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/base.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_0_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_1_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_2_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_3_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_4_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_5_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_6_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_7_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_8_apk.apk", zip file "/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/split_lib_slice_9_apk.apk"],nativeLibraryDirectories=[/data/app/com.example.rlawh.news_search-x5vYYSnjqDtX_9_exWLrBQ==/lib/x86, /system/lib, /vendor/lib]]
  at 

 

Answer 1

AppCompatActivity 클래스를 찾지 못 해서 오류가 났답니다.

AppCompatActivity를 사용하게 buildprop 파일을 고쳐보세요

https://stackoverflow.com/questions/43893613/classnotfoundexception-appcompatactivity-class-after-moving-android-studio-pro