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Android Unable To Instantiate Activity Java.lang.classnotfoundexception

LOL I tried to upgrade a project to android 5 from 4.4 and then changed my mind and tried to restore it back to kitkat, then voila! Do counters combine? The problem turned out to be pretty simple yet it was hard to locate. I published a 3.6MB app and never saw this error. this contact form

I changed manifest with correct new name and, from that moment on, our error occured. If you do this, make sure you update the AndroidManifest.xml file too. more hot questions question feed lang-java about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation I don't think the one report means that only one guy has this problem as I have received market-comments that say it crashed, only the one guy sent in the stacktrace-log.

Every time I update Android Studio, I wonder why I use this for production work. :) –Brian Jan 3 '14 at 18:34 add a comment| 6 Answers 6 active oldest votes Output integers in negative order, increase the maximum integer everytime A Page of Puzzling If the Ch’in dynasty was so short-lived, why was China named for it? EDIT: I just saw this page, it remembers me I already had this problem when downloading an app from the Android market. Word for fake religious people What are the considerations for waterproofing a building's first few floors?

Lütfen daha sonra yeniden deneyin. 3 Eki 2015 tarihinde yayınlandıUnable to instantiate activity ComponentInfo is an error faced by android app developers. So it is very important for me. It worked for me, which I did was to export it two times. current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list.

What is 'sparrow bath' and how do you do it in airport bathroom? this will not work: If your application's name is com.example.networkusage (note the missing .android.) Or better yet, don't include paths when defining an activity inside the manifest. Should I find punctures by immersing inner tube in water or hearing brezze or feeling breeze or how else? http://stackoverflow.com/questions/26768663/java-lang-runtimeexception-unable-to-instantiate-activity-componentinfo-jav If the Ch’in dynasty was so short-lived, why was China named for it?

Would society of simultaneous hermaphrodites have gender roles? This happened to me then I refactored the package name of the entry point activity of the app. Eclipse would give me a warning "Build path specifies execution environment JavaSE-1.6. Prashant Gosai 93.279 görüntüleme 11:18 Android Studio Won't Start | SOLVED!

Build Path -> Use as Source Folder share|improve this answer answered Dec 18 '13 at 14:23 Julio Rodrigues 1,5481326 Wow, I spent so long trying to figure this out. To fix it, I had to delete my gen and bin directories, clean the project, and rebuild. share|improve this answer answered Dec 27 '13 at 20:18 Learning2network 31 I've updated the post! alam jamal 31.826 görüntüleme 2:32 Debugging null pointer exception problem - Süre: 10:13.

Instead I get the following error: FATAL EXCEPTION: main java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.natercio.myhome/com.natercio.myhome.Launcher}: java.lang.ClassNotFoundException: Didn't find class "com.natercio.myhome.Launcher" on path: DexPathList[[zip file "/data/app/com.natercio.myhome-2.apk"],nativeLibraryDirectories=[/data/app-lib/com.natercio.myhome-2, /system/lib]] at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2137) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2261) at weblink Can a mathematician review my t-shirt design? Has Darth Vader ever been exposed to the vacuum of space? I had just included some new libraries setting up expansion APKs.

After resolving this (removed additional/incorrect reference) solved the issue. The college in 'Electoral College' Not able to access Internet after running sudo chown -R $USER$USER /usr/lib/ more hot questions question feed default about us tour help blog chat data legal I know it's hard to pinpoint the source of an error without being able to reproduce it, but maybe somebody has a bright idea and can help me out. http://popupjammer.com/android-unable/android-unable-to-pause-activity-java-lang-nullpointerexception.html Check if theres another error below the "unable to instantiate", sometimes another error is firing this (activity cant load because of something even if its class has been found.

I was able to build and run the app on the target device. I fixed it by moving the activity class to a new package. What are those "sticks" on Jyn Erso's back?

share|improve this answer answered Apr 26 '15 at 19:51 Oladipo Olasemo 711916 add a comment| up vote 0 down vote you might have declared String a = edt.getText().toString(); or int 5/3

How to block Hot Network Questions in the sidebar of Stack Exchange network? So I switched my activity and all the class that inherits the activity to the package that it was looking into. posted 2 years ago You can add an ActionBar to your activity when running on API level 7 or higher by extending this class for your activity and setting the activity How can I get an HDR to leave a silhouette?

Post your manifest.xml . Hope this solves your issue 2) Configure Build Path. I have edit my question containing (almost) all of my onCreate-method. his comment is here share|improve this answer edited Nov 5 '14 at 23:33 answered Nov 5 '14 at 22:55 Elenasys 60.2k12170154 I tried this but it still doesnt work.

The Anti-Santa: Dealing with the Naughty List What is a real-world metaphor for irrational numbers? (Serious): Male genital protection for mountain biking/BMX and for common falls Output integers in negative order, Even if that's the error, how are you going to tell the user? share|improve this answer answered Nov 16 '11 at 14:08 Balaji 311 add a comment| up vote 3 down vote I was coming across this problem when I was including java Projects and changing the manifest.xml before activity android:name=".MainActivity" after activity android:name="new_package.MainActivity" share|improve this answer answered Jun 7 '14 at 18:13 Satthy 7929 add a comment| up vote 4 down vote Dude, this

The problem though, was slightly different in one regard: It only affected a fresh install of the application to my device. Not the answer you're looking for? Please also take in consideration that I use git and I've already tried to revert any changes to one of my previously stable commits. Right click your src folder.

If it's not strictly necessary, don't rename the package containing activity. Pierre-Hugues Charbonneau 37.557 görüntüleme 14:48 Android Studio Gradle Error Solve - Süre: 11:18. The activity is present in the manifest. Oturum aç Paylaş Daha fazla Bildir Videoyu bildirmeniz mi gerekiyor?

Yükleniyor... For some reason my emulator would not throw a class not found if the java project it was including was originally created targeting JavaSE-1.6. Is there any other solution to this kind of error that I missed or is this likely to be some bug in the latest android plugin (for android studio). Yükleniyor...

This is also true of apps which have been installed on the SD card." This seems to be incorrect. Thanks for your answers. –Select0r Jan 27 '11 at 19:04 Can you show a rest of manifest file, or just a top section where the "manifest" tag is declared? Can the product of two nonsymmetric matrices be symmetric? share|improve this answer answered Dec 9 '14 at 12:54 Kaveesh Kanwal 1,084713 Hi.