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I recently added a external library .jar file into my project now getting this error. any suggestions?

10-24 23:43:36.757: E/AndroidRuntime(459): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.android_alarm/com.android_alarm.MainActivity}: java.lang.ClassNotFoundException: com.android_alarm.MainActivity in loader dalvik.system.PathClassLoader[/data/app/com.android_alarm-2.apk]

Asad Ali Bhatti
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  • clean the project, rebuild, reinstall the apk –  Oct 24 '13 at 19:54
  • Also make sure your Activity from the external jar file is listed in your manifest. – Varun Oct 24 '13 at 19:55
  • This usually means the Activity is not added in the Manifest. How many Activity do you have? And if you can also post your Manifest we can help you better. – Si8 Oct 24 '13 at 20:14
  • Check this and follow the steps provided in it : http://stackoverflow.com/questions/16744963/the-code-has-stopped-working-java-lang-classnotfoundexception-in-loader-dalvik and http://stackoverflow.com/questions/16596969/libraries-do-not-get-added-to-apk-anymore-after-upgrade-to-adt-22 – Siddharth_Vyas Oct 25 '13 at 03:54
  • what to set in menifest i have no idea :( how to set external .jar in menifest – Asad Ali Bhatti Oct 25 '13 at 04:31

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