Home > Android Unable > Android Unable To Instantiate Activity Componentinfo Java.lang.classnotfoundexception

Android Unable To Instantiate Activity Componentinfo Java.lang.classnotfoundexception

Browse other questions tagged android or ask your own question. Linked 56 Android ClassNotFoundException: Didn't find class on path 8 Android Studio: ClassNotFoundException 3 Error “Caused by: java.lang.ClassNotFoundException:” 2 Android - Unable to instantiate activity 0 Unable to instantiate activity ComponentInfo It worked fine for me. package="com.example.android.whatever" So in my AndroidManifest.xml file, both the tutorial project that was in my workspace and the copied tutorial project both had as the package string: Source

If the Ch’in dynasty was so short-lived, why was China named for it? basically. For me this happened when I copied an Android tutorial in eclipse in the same workspace and left the package names the same but added ActionBarSherlock (ABS) to it, e.g. Steps to produce the crash: Issue able to replicate in HTC sensation 2.3.4 version.

I am getting an error "Unfortunately, appname has stopped" when i attempt to run the program. I got this issue when I had: Button infoButton = (Button)findViewById(R.id.InfoButton); this line of code above: @Override public void onCreate (Bundle savedInstanceState) { } May be I am sleep deprived :P Join them; it only takes a minute: Sign up java.lang.RuntimeException: Unable to Instantiate activity ComponentInfo up vote 2 down vote favorite 1 I am creating a widget but when I run

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! In my case, change Provided to Compile and works fine. –dayanruben Jan 21 '15 at 13:24 Thank you!!! Oturum aç Çeviri Yazısı İstatistikler 4.280 görüntüleme Bu videoyu beğendiniz mi? I guess your activity in manifest is not correct.

I realized it after 5 hours of already publishing it. Also notice that the order of libs are also important, the topper they are the higher properties they have when building apk. But application was crash than i'm start( –A.Black13 Apr 19 '13 at 10:21 what your logcat say this time –vinoth Apr 19 '13 at 10:22 it is See here for a possible solution. –user2554058 Dec 6 '13 at 10:41 add a comment| 5 Answers 5 active oldest votes up vote 3 down vote accepted Your MainActivity.java is excluded

Big O Notation "is element of" or "is equal" Does a byte contain 8 bits, or 9? This worked for me when I got this problem when using googles admob sdk example "adcatalog" and was getting this error. Goto Project->Clean and select your project. I also made sure I completely reinstalled my widget on my device by unistalling it and then having eclipse reintall it when I ran my widget, but I still get the

Your MainActivity.java is excluded from compile, so this class isn't included in .apk Remove following line from excludeFromCompile section of the .idea/compiler.xml file share|improve this answer answered Oct My problem was that I didn't have to imported a third party libraries in a "libs" folder, and I needed reference them in my proyect (Right-click, properties, Java Build Path, Libraries, I have other (minor) errors now, but you saved me on this one! –Carp Fisherman Aug 30 '13 at 12:47 add a comment| up vote 2 down vote This error could Bayes regression: how is it done in comparison to standard regression?

Bu videoyu Daha Sonra İzle oynatma listesine eklemek için oturum açın Ekle Oynatma listeleri yükleniyor... this contact form Yükleniyor... What encryption should I use: Blowfish, Twofish, or Threefish? Cleaning the project should do the trick share|improve this answer answered Apr 5 '14 at 23:40 Michael Obi 276315 add a comment| up vote 1 down vote If you add additional

i added another method in the activity class, and i started getting this error.. ERROR from LogCat: 01-13 02:28:08.392: ERROR/AndroidRuntime(2888): FATAL EXCEPTION: main 01-13 02:28:08.392: ERROR/AndroidRuntime(2888): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.s.android.test/com.s.android.test.MainActivity}: java.lang.ClassNotFoundException: com.s.android.test.MainActivity in loader dalvik.system.PathClassLoader[/data/app/com.s.android.test-2.apk] 01-13 02:28:08.392: ERROR/AndroidRuntime(2888): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1544) 01-13 02:28:08.392: ERROR/AndroidRuntime(2888): If I uninstalled the app, built and deployed again from Eclipse, it would crash. have a peek here I hope find the problem. –user3908478 Nov 5 '14 at 23:36 you´re welcome, i think is better/faster download and import the project again =). –Elenasys Nov 5 '14 at

Go to Properties>Java Build Path>Order and Export and move your android-support-v4.jar to the top. share|improve this answer answered Jul 18 '12 at 8:47 pqn 86911532 add a comment| up vote 0 down vote Your New Activity add AndroidManifest.xml like ".NewActivity" share|improve current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list.

Could you please try this source code on your computer to understand problem? –user3908478 Nov 5 '14 at 23:17 yep i got in my eclipse right now i just

first ensure that you've declared the MainActivity correctly in AndroidManifest.xml share|improve this answer edited Oct 8 '15 at 6:13 Not the answer you're looking for? You just need to Add the name in manifest manually. share|improve this answer edited Jan 6 at 8:18 Anand Dwivedi 815316 answered Mar 4 '13 at 8:48 The college in 'Electoral College' What caused my meringue to fall after adding cocoa?

You solved my problem. :) –cmcromance Oct 26 '12 at 7:27 add a comment| up vote 35 down vote There is another way to get an java.lang.RuntimeException: Unable to instantiate activity Can a creature with multiattack make more than one attack as part of a readied attack? Back to list Status: NotEnoughInformation Owner: [email protected] Closed: Aug 5 Component-Tools Triaged-yes ReportedBy-Developer Type-Defect Subcomponent-Tools-instantrun Priority-Critical Triaged2-yes bash-2016 Target-2.3 release-exemption Sign in to add a comment Reported by [email protected]Check This Out Are the mountains surrounding Mordor natural?

changing location of texmf folder for use across multiple computers (OS X / Apple) Can cheese in hand luggage be mistaken for plastic explosive? DrBFraser 7.918 görüntüleme 21:27 Fix java runtime error or install4j error - Süre: 3:50. A published paper stole my unpublished results from a science fair Word for including by exclusion Bought agency bond (FANNIE MAE 0% 04/08/2027), now what? The Anti-Santa : Dealing with the Naughty List What is the purpose of the AT-ACT?

In my case support & admobsdk jars. –jsmars Aug 7 '13 at 7:02 add a comment| up vote 9 down vote This error can also be the ultimate sign of a What are the considerations for waterproofing a building's first few floors? Not the answer you're looking for? Only put their name (with a dot in front of it). share|improve this answer answered Sep 6 '12 at 11:26 hasMobi - Android Apps 3,23143673 add a

Geri al Kapat Bu video kullanılamıyor. İzleme SırasıSıraİzleme SırasıSıra Tümünü kaldırBağlantıyı kes Bir sonraki video başlamak üzeredurdur Yükleniyor... İzleme Sırası Sıra __count__/__total__ Solved - java.lang.RuntimeException: Unable to instantiate activity ComponentInfo Easy Learn more You're viewing YouTube in Turkish. Here was my scenario: App detail: Using ActionBarSherlock as a library Using android-support-v4-r7-googlemaps.jar in the ActionBarSherlock library so I could use a "map fragment" in my primary project Added the jar