java - Libgdx AndroidLauncher FATAL EXCEPTION ClassNotFoundException -

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i trying implement admob android project libgdx, , somehow messed entire project. think has libraries. reset of code, still won't work. using eclipse don't have gradle.

here logcat:

03-06 19:16:13.481: e/androidruntime(26583): fatal exception: main 03-06 19:16:13.481: e/androidruntime(26583): process: com.techybite.sportsball, pid: 26583 03-06 19:16:13.481: e/androidruntime(26583): java.lang.runtimeexception: unable instantiate activity componentinfo{com.techybite.sportsball/com.techybite.sportsball.androidlauncher}: java.lang.classnotfoundexception: didn't find class "com.techybite.sportsball.androidlauncher" on path: dexpathlist[[zip file "/data/app/com.techybite.sportsball-1/base.apk"],nativelibrarydirectories=[/data/app/com.techybite.sportsball-1/lib/arm, /vendor/lib, /system/lib]] 03-06 19:16:13.481: e/androidruntime(26583):    @ android.app.activitythread.performlaunchactivity(activitythread.java:3023) 03-06 19:16:13.481: e/androidruntime(26583):    @ android.app.activitythread.handlelaunchactivity(activitythread.java:3294) 03-06 19:16:13.481: e/androidruntime(26583):    @ android.app.activitythread.access$1000(activitythread.java:210) 03-06 19:16:13.481: e/androidruntime(26583):    @ android.app.activitythread$h.handlemessage(activitythread.java:1704) 03-06 19:16:13.481: e/androidruntime(26583):    @ android.os.handler.dispatchmessage(handler.java:102) 03-06 19:16:13.481: e/androidruntime(26583):    @ android.os.looper.loop(looper.java:145) 03-06 19:16:13.481: e/androidruntime(26583):    @ android.app.activitythread.main(activitythread.java:6938) 03-06 19:16:13.481: e/androidruntime(26583):    @ java.lang.reflect.method.invoke(native method) 03-06 19:16:13.481: e/androidruntime(26583):    @ java.lang.reflect.method.invoke(method.java:372) 03-06 19:16:13.481: e/androidruntime(26583):    @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:1404) 03-06 19:16:13.481: e/androidruntime(26583):    @ com.android.internal.os.zygoteinit.main(zygoteinit.java:1199) 03-06 19:16:13.481: e/androidruntime(26583): caused by: java.lang.classnotfoundexception: didn't find class "com.techybite.sportsball.androidlauncher" on path: dexpathlist[[zip file "/data/app/com.techybite.sportsball-1/base.apk"],nativelibrarydirectories=[/data/app/com.techybite.sportsball-1/lib/arm, /vendor/lib, /system/lib]] 03-06 19:16:13.481: e/androidruntime(26583):    @ dalvik.system.basedexclassloader.findclass(basedexclassloader.java:56) 03-06 19:16:13.481: e/androidruntime(26583):    @ java.lang.classloader.loadclass(classloader.java:511) 03-06 19:16:13.481: e/androidruntime(26583):    @ java.lang.classloader.loadclass(classloader.java:469) 03-06 19:16:13.481: e/androidruntime(26583):    @ android.app.instrumentation.newactivity(instrumentation.java:1094) 03-06 19:16:13.481: e/androidruntime(26583):    @ android.app.activitythread.performlaunchactivity(activitythread.java:3013) 03-06 19:16:13.481: e/androidruntime(26583):    ... 10 more 03-06 19:16:13.481: e/androidruntime(26583):    suppressed: java.lang.noclassdeffounderror: com.techybite.sportsball.androidlauncher 03-06 19:16:13.481: e/androidruntime(26583):        @ dalvik.system.dexfile.defineclassnative(native method) 03-06 19:16:13.481: e/androidruntime(26583):        @ dalvik.system.dexfile.defineclass(dexfile.java:226) 03-06 19:16:13.481: e/androidruntime(26583):        @ dalvik.system.dexfile.loadclassbinaryname(dexfile.java:219) 03-06 19:16:13.481: e/androidruntime(26583):        @ dalvik.system.dexpathlist.findclass(dexpathlist.java:321) 03-06 19:16:13.481: e/androidruntime(26583):        @ dalvik.system.basedexclassloader.findclass(basedexclassloader.java:54) 03-06 19:16:13.481: e/androidruntime(26583):        ... 14 more 03-06 19:16:13.481: e/androidruntime(26583):    suppressed: java.lang.classnotfoundexception: com.techybite.sportsball.androidlauncher 03-06 19:16:13.481: e/androidruntime(26583):        @ java.lang.class.classforname(native method) 03-06 19:16:13.481: e/androidruntime(26583):        @ java.lang.bootclassloader.findclass(classloader.java:781) 03-06 19:16:13.481: e/androidruntime(26583):        @ java.lang.bootclassloader.loadclass(classloader.java:841) 03-06 19:16:13.481: e/androidruntime(26583):        @ java.lang.classloader.loadclass(classloader.java:504) 03-06 19:16:13.481: e/androidruntime(26583):        ... 13 more 03-06 19:16:13.481: e/androidruntime(26583):    caused by: java.lang.noclassdeffounderror: class not found using boot class loader; no stack available

any appreciated. first libgdx project , learning go. thank in advance!

the cause of problem indeed library problem. i've ran sort of problem many times when compiling project runnable.

the problem in case either didn't package library or packaged incorrectly unreachable. try opening exported apk 7zip see how filestructure has been built when exporting.

i suggested using cradle re-setup project or atleast future projects.

https://github.com/libgdx/libgdx/wiki/project-setup-gradle


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