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R Cannot Be Resolved To A Variable

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share|improve this answer edited Aug 28 '12 at 8:06 community wiki 4 revs, 4 users 43%Kailash I had this problem with the sample ApiDemos. Fitra Hidayah 26,664 views 9:05 Curso Android Studio - Android.R Error - Duration: 12:13. This file is generated from the information in the "res" directory. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count). this content

Krishnapal Gohil 644 views 3:18 Eclipse exclamation on project, how to remove exclamation mark, red exclamation on folders - Duration: 12:11. And clean and rebuild..It works for most of the cases share|improve this answer answered Aug 29 '13 at 7:09 community wiki sunil add a comment| up vote 17 down vote Along Once we fix those the R.java should get generated. Fix it google! –CF_Maintainer Mar 17 '13 at 17:28 4 How does Google not grant eclipse.org funds to get items like this fixed? –Cris Jun 30 '13 at 23:32 | http://stackoverflow.com/questions/885009/r-cannot-be-resolved-android-error

R Cannot Be Resolved To A Variable Android Studio

Once I added it back, the R class was generated successfully and everything was back up and running. share|improve this answer edited Mar 13 '12 at 0:30 community wiki 2 revs, 2 users 84%MaurizioPz 3 Reimporting the project made the trick. –Angelo Tricarico Jun 3 '13 at 11:31 share|improve this answer edited Mar 25 '14 at 15:39 answered Sep 23 '13 at 9:38 android developer 46.9k64310531 1 Removing the gen folder and cleaning worked for me. As a matter of protocol, whenever I encounter this error, I open my entire resource tree in Eclipse and re-examine the folders / files for the red "X" indicating an error

Any ideas would be appreciated. When one gets this error.. Sometimes this would generate the incorrect import statement which would hide the R.java class that is automatically generated when you build. Eclipse R Cannot Be Resolved To A Variable After Clean share|improve this answer edited Aug 13 '12 at 17:56 community wiki 2 revs, 2 users 67%Peter Mortensen add a comment| up vote 5 down vote Unfortunately none of the existing questions

This video will tell you how to resolve that issue in easy steps.View detailed post on : http://www.ooztech.com/web-programmin... R Cannot Be Resolved To A Variable Mainactivity.java Eclipse more hot questions default about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science Other I suggest trying to import your project; if that doesn't work, try creating a new project from the existing source. http://stackoverflow.com/questions/885009/r-cannot-be-resolved-android-error ANY error in the manifest.xml file can cause this problem if R.java hasn't been built yet. –Scott Biggs Sep 11 '12 at 21:58 add a comment| up vote 4 down vote

Removed the menu XML and back came R. How To Remove R Error In Android Studio PS: I do have an XML file named main.xml under res/layout/. Sign in to add this video to a playlist. share|improve this answer answered Apr 20 '14 at 23:28 community wiki user3024292 Correct.

R Cannot Be Resolved To A Variable Mainactivity.java Eclipse

I had a .jpg image in my drawable folder with the same name as a .png image. http://stackoverflow.com/questions/5592806/r-cannot-be-resolved-to-a-variable By William J. R Cannot Be Resolved To A Variable Android Studio share|improve this answer answered Jan 13 '14 at 16:50 Gene 3,1431929 add a comment| up vote -1 down vote I been having this and i did trace it back to the Activity_main Cannot Be Resolved Or Is Not A Field Which word should I use for "to drive (a car)"?

Watch Queue Queue __count__/__total__ Find out whyClose R cannot be resolved to a variable - Android Error Rohit Mane SubscribeSubscribedUnsubscribe877877 Loading... http://amigasuperbit.com/cannot-be/r-layout-main-cannot-be-resolved-to-a-variable.html share|improve this answer edited Mar 13 '12 at 0:38 community wiki 2 revs, 2 users 74%user286516 21 This looks like a cut and paste without reference –Casebash Apr 28 '10 Eclipse may have problems executing clean, because it is confused about where the R.java file is when you have changed the Android package name. I had the same problem and revolved around this thread for about a week. R.java Missing

If you don't have an R.java file (it would be gen/eu.mauriziopz.gps/R.java in >Eclipse with the 1.5 SDK) I would recommend closing and reopening your project or going to >Project > Build Such as the url I was using, I was getting errors for connection time out regarding the url I was "previously" using. share|improve this answer answered Feb 15 '14 at 11:41 kolyaseg 1378 add a comment| up vote -1 down vote what did it for me... have a peek at these guys Sign in 3 Loading...

You may have 'Build Automatically' turned off. R.java Missing In Eclipse Since my problem seems platform specific, this may only work if you are on Ubuntu 64 Bit (I am currently using Ubuntu 12). Eclipse updated the SDK and the ADT but I could still not build the project.

Derek Banas 54,425 views 10:15 Solution to R cannot be resolved to a variable - Duration: 1:07.

If you have backup of your project, please go to the project directory and paste R.java file which you copy from your backup section. So build tools update + Eclipse restart fixed this for me. more hot questions default about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science Other Cannot Be Resolved To A Variable Jsp The error wasn't actually reported except in the Console window right when I first opened the project. –Scott Persinger Mar 8 '12 at 0:56 9 exactly, if you copied layouts

share|improve this answer edited Mar 13 '12 at 0:48 community wiki 2 revs, 2 users 67%user132014 also, i just noticed stack overflow requires us to escape all backslashes. –user132014 Sabith Pkc Mnr 981 views 2:52 Appcompact v7 Erorr Solution - Duration: 9:05. Sign in to report inappropriate content. http://amigasuperbit.com/cannot-be/r-cannot-be-resolved-to-a-variable-64-bit.html share|improve this answer edited Aug 28 '12 at 8:06 community wiki 4 revs, 4 users 43%Kailash I had this problem with the sample ApiDemos.

Working... If you have any additional, even unused (!) or unreferenced (!) images in a folder like res/drawables-mdpi which do not comply to the file naming conventions (may contain only [a-z0-9_.]), the It can help. Powered by Livefyre Add your Comment Editor's Picks IBM Watson: The inside story Rise of the million-dollar smartphone The world's smartest cities The undercover war on your internet secrets Free Newsletters,

Set android-support .jar library checked and up it into top of the list. DrBFraser 135,171 views 12:55 How to solve cannot find symbol error in Java? - Duration: 1:42. Allowed characters for naming a file:- 1. share|improve this answer edited Mar 13 '12 at 0:31 community wiki 2 revs, 2 users 50%Luc 19 +1 for this.

Wasted one day trying to fix the R error, adding/removing references, and trying other options. How do you set the API when importing an existing project??? many times all of the layout files are marked as having errors.. It stopped creating gen folder which includes R.java.

spragucm.wordpress.com/2014/05/13/… –Chris Sprague May 13 '14 at 19:17 after removing R, at some places R is used as class & is giving error now, How to resolve that? –Narendra When one gets this error.. Under the "Project" menu uncheck the option to "Build Automatically" and also when the "Clean..." dialog asks if it should "Start a build immediately" uncheck the box so it doesn't try Dennis Mohle 7,586 views 5:40 R cannot be resolved to a variable (solved) - Duration: 3:21. 〈Coding/〉 5,613 views 3:21 Android Studio Gradle Error Solve - Duration: 11:18.

Resources will be refreshed. always make sure the targetSdk is pointed to the latest API (currently 18) , and set it in the project.properties file share|improve this answer answered Sep 23 '13 at 9:40 android I had changed the package name in the manifest.