Had the same problem a few times, and this seems to set it right. I guessed I had an issue somewhere but wasn't sure where to look to find it (was it in the manifest, resource xml files etc?). Ironically the actual answer to this question has been deleted and cannot be undeleted. Try looking really hard at the error report, even the messages titled "info" for any hint about what it might be... navigate to this website
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Please sign in or sign up to post. Category Howto & Style License Standard YouTube License Show more Show less Loading... Sleepless Ninja 110,168 views 22:44 Update Eclipse To Fix The Rendering Error Please update ADT plug-in Bug - Duration: 6:17.
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 Cleaning the project etc didn't fix it - can i have 2 hrs of my life back! 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 R.java Missing Krishnapal Gohil 644 views 3:18 Solving Android SDK Problems - Duration: 9:45.
Truly hope the list helps people since this is a common problem. R Cannot Be Resolved To A Variable Android Studio A simple 'gradlew clean' and 'gradlew build' did the trick. For some reason. –taylor Apr 12 '13 at 18:08 3 Yes, excellent solve. share|improve this answer answered Jan 30 '11 at 6:49 ozmike 1,2051322 add a comment| up vote 0 down vote import com.TestApp.R; isn't accepted once R is lost.
It was returning an error on the file with Invalid File Name:... –jasonflaherty Nov 1 '12 at 5:53 add a comment| up vote 9 down vote R is a generated class. Eclipse R Cannot Be Resolved To A Variable After Clean So a manually started it: $ cd $ANDROID_SDK/platform-tools $ adb start-server Then I restarted Eclipse and did a clean/build on the project, which generated the R.java file. The auto created one is empty. It uses your Android package name to create a subdirectory under the "gen" directory where it stores the R.java file.
By running a helloandroid program, that did compile.
I already select the "Build Automatically" but the error is still there. –d_unknown Apr 26 '15 at 2:05 add a comment| up vote 35 down vote R is an automatically generated R Cannot Be Resolved Android Studio One of them however, likely has an error unrelated that aborts the build. R Cannot Be Resolved To A Variable Mainactivity.java Eclipse Recently, I added an activity to test with called NewActivity.
I found a number of lines in the projects "iml" file excluding "build/*". useful reference For example - If you are making a list visible with a button click and inserting list values in the adapter, first check if you are able to make it visible Dennis Mohle 7,586 views 5:40 R cannot be resolved to a variable (solved) - Duration: 3:21. 〈Coding/〉 5,354 views 3:21 Fixing cannot find symbol in Java - Duration: 7:05. Don't just give a one-line answer; explain why your answer is right, ideally with citations. Activity_main Cannot Be Resolved Or Is Not A Field
Guessing game - Is it a 40? It can help. Success! http://ngogeeks.com/cannot-be/android-popupmenu-cannot-be-resolved.php I had a .jpg image in my drawable folder with the same name as a .png image.
share|improve this answer answered Dec 9 '12 at 12:24 Vlad 1,62111415 add a comment| up vote 2 down vote I had the same error. How To Remove R Error In Android Studio Under Eclipse, go to: - Project -> Clean and then click on Project -> Build Project If this doesn't work, the next thing to check is the top of your Activity If you have a file in your resources that is corrupted, or an invalid xml file, you will get this error.
Linked 274 Developing for Android in Eclipse: R.java not regenerating 53 Eclipse error: R cannot be resolved to a variable 14 R cannot be resolved to a variable (new android project) Also the images added were having the extension with capital letters. For ex: import com.example.
Rohit Mane 45,675 views 2:40 How to Change Android Package Name & Resolving "R.id" , "Cannot Resolve symbol" error | Tutorial - Duration: 2:52. Brandan Jones 17,207 views 4:57 How to fix : Gradle project sync failed (Android studio) - Duration: 4:02. upon changing minsdk to 8 both in the manifest file and the build.gradle file and rebuilding the project, the error was gone. get redirected here For instance, you can have the same name in drawable-mhdpi and drawable-xhdpi because they override each other depending on the target device, but if you have the same name in layout
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