Join them; it only takes a minute: Sign up Eclipse error: R cannot be resolved to a variable [duplicate] up vote 53 down vote favorite 16 This question already has an Relaunch Android SDK Manager again and install a new item: Android SDK Build-tools. Nothing helped me except this way share|improve this answer answered May 26 '13 at 7:00 community wiki dvrm add a comment| up vote 4 down vote I had the examples of Appears there was also some error in the XML files, once I fixed that, clean/build worked! :) –Roger Oct 19 '11 at 17:08 Those are fun to find, huh? his comment is here
This is time-consuming, but it should help to point you to the file or files causing the error. It works fine now. It stopped creating gen folder which includes R.java. Once I added it back, the R class was generated successfully and everything was back up and running. http://stackoverflow.com/questions/885009/r-cannot-be-resolved-android-error
Go through your view files and make sure all the xml is right! What is safer to use (in general terms), online banking software using the mobile app or using a browser on a desktop OS? share|improve this answer edited Jan 21 '14 at 1:17 community wiki 2 revs, 2 users 64%Meiao It's worth noting that if you have a 64-bit Linux installation you WILL If that doesn't work than try making a new project, if the problem is recreated than post here again and we'll go into more detail.
If those answers do not fully address your question, please ask a new question. share|improve this answer edited Aug 13 '12 at 16:53 community wiki 2 revs, 2 users 50%Josef add a comment| up vote 9 down vote This error cropped up on my x64 As soon as I corrected the file name to a valid one, error was resolved! R.java Missing After you have changed the name you can turn "Build Automatically" back on again.
Hope this helps. R Cannot Be Resolved To A Variable Android Studio Thanks for the pointer! –Eugene van der Merwe Jan 28 '12 at 23:41 this fixed my issue, I was working in an xml file, glad I remembered which one, If those answers do not fully address your question, please ask a new question. 1 Before you do anything, check the background processes in eclipse. http://stackoverflow.com/questions/7824730/r-cannot-be-resolved-to-a-variable Kindly verify by opening every kind of xml file from every folder under res folder you have created.
When everything is finally up and running again, I wonder why someone hasn't written a consolidated troubleshooting guide for this error. How To Remove R Error In Android Studio 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, I had a capital letter in the name of my jpg file, and it caused the R unresolved error right across my project. I wanted to create a simple application to test drive it.
After you have changed the name you can turn "Build Automatically" back on again. Depalindromize this string! R Cannot Be Resolved To A Variable Mainactivity.java Eclipse This file is generated from the information in the "res" directory. Activity_main Cannot Be Resolved Or Is Not A Field share|improve this answer edited Mar 24 '13 at 11:53 community wiki 2 revsBernhard Kircher add a comment| up vote 5 down vote restart your computer.
share|improve this answer edited Aug 13 '12 at 17:58 community wiki 4 revs, 2 users 82%Michael Levy 28 This happens as well, but a bunged up layout file can also this content share|improve this answer answered Dec 22 '12 at 10:53 Chintan Rathod 14.4k94675 I've tried using my own working projects as well as creating new ones from the New Android your answer was helped –beginners Jul 24 '13 at 0:42 This was the problem in my case! If that doesn't work than try making a new project, if the problem is recreated than >post here again and we'll go into more detail. Eclipse R Cannot Be Resolved To A Variable After Clean
Nothing helped me except this way share|improve this answer answered May 26 '13 at 7:00 community wiki dvrm add a comment| up vote 4 down vote I had the examples of Ambar Hasbiyatmoko 19 görüntüleme 0:56 [QUICK] Fix R java file android eclipse error Instantly - Süre: 3:18. Can I switch from past tense to present tense in an epilogue? http://knowaretech.com/cannot-be/android-r-cannot-be-resolved-to-a-variable-eclipse.html I had an older styles.xml file with parent="android:WindowTitleBackground" and it was breaking my build and preventing anything generated to "gen".
These are the solutions I usually try to fix this problem but none of it worked this time around... –feztheforeigner Dec 22 '12 at 11:15 see this link stackoverflow.com/questions/4932282/… How To Solve R Cannot Be Resolved To A Variable In Android Studio Sadly I have no idea what's causing this nor how to fix it either... This works best if you stop Eclipse from trying to build while you are changing the package name.
share|improve this answer edited Aug 13 '12 at 16:53 community wiki 2 revs, 2 users 50%Josef add a comment| up vote 9 down vote This error cropped up on my x64 Would you like to answer one of these unanswered questions instead? This is a special version of Eclipse provided by Google and includes the text "Android Developer Tools" when Eclipse is started. R.java Missing In Eclipse share|improve this answer edited Jul 2 '13 at 18:03 Nunser 4,21381433 answered Jul 2 '13 at 17:38 analogbody 11 add a comment| up vote 1 down vote I solved the problem
I have removed this property from application tag, gone to Project->Clean menu and R.java was regenerated correctly. –Junior M Jun 14 '14 at 19:50 xml file with error like 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 Others have said that your XML files must be free from errors, but I was only looking in the res/ folder. I had to import R manually using something like import com.example.main.package.name.R; –Oliver Moran May 16 '14 at 14:16 | show 1 more comment up vote 77 down vote accepted What Will
I found the error by looking at the Consol. share|improve this answer edited Aug 13 '12 at 16:53 community wiki 2 revs, 2 users 67%Guy Starbuck add a comment| up vote 5 down vote Try to make your new XML I had to use ctrl-shift-O in the classes that referenced the generated R class values in order to add the correct import. –Chuck Krutsinger Jul 5 '12 at 17:07 Ekle Bu videoyu daha sonra tekrar izlemek mi istiyorsunuz?
Credit goes to the Android reply here share|improve this answer answered Jun 12 '13 at 8:15 Mario Peshev 463414 add a comment| up vote 0 down vote When other solutions fail, If you recently changed your target build, min SDK, or updated the tools, try rolling back to the previous SDK you were using by bringing up your project properties and selecting 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 make sure the order is : Android 4.3 (always the latest version) Android private libraries android dependencies your library project/s if needed yourAppProject/gen yourAppProject/src make sure all files in the res
After you change that, the R.java will be re-generated. thx –Gaeburider Nov 9 '13 at 12:55 If you change the package name in the xml you will have to re-import the R file from the new package –Oded I see that my code changes does not acting on my app (on AVD) then I cleaned my project (under Project > Clean...).