Android Error R Cannot Be Resolved
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Android R Cannot Be Resolved To A Variable New Project
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Android R Cannot Be Resolved Android Studio
each other. Join them; it only takes a minute: Sign up R cannot be resolved - Android error up vote 814 down vote favorite 196 I just downloaded and installed the new Android SDK. I wanted to create a
Android R Cannot Be Resolved To A Variable After Clean
simple application to test drive it. The wizard created this code: package eu.mauriziopz.gps; import android.app.Activity; import android.os.Bundle; public class ggps extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } } but Eclipse gives me the error R cannot be resolved on line setContentView(R.layout.main); Why? PS: I do have an XML file named main.xml under res/layout/. android eclipse compiler-errors android-resources android-sdk-tools share|improve this question edited Jun r cannot be resolved to a variable mainactivity.java eclipse 16 at 8:41 community wiki 9 revs, 6 users 58%Maurizio Pozzobon For those who still experience some problem with eclipse not being able to update/generate R.java. A possible solution is by creating a dummy xml and just delete that xml. In my case this is the solution –denil Jun 25 '12 at 10:59 Honestly, this sounds so stupid (and it is), but modifying the AndroidManifest.xml, then undoing that edit, then saving the file worked for me. If I cleaned the project after that, it broke again. And all this time I thought Xcode was the only IDE that had these kinds of mysterious errors. –iWasRobbed Dec 22 '12 at 18:12 2 Did you try right click on the project -> Android Tools -> Fix Project Settings? –Sergei Feb 1 '14 at 10:59 3 Please check your XMl layout file, if any error in xml you can't generate R.java, and the error comes after bulid and clean also. –RDC Feb 20 '14 at 11:47 1 Just a tip: when I switched IDE from Eclipse to Android Studio this stopped happening to me. –mata Jul 17 '14 at 12:13 add a comment| 102 Answers 102 active oldest votes 1 2 3 4 next up vote 763 down vote After tracking down this problem as well, I found this note in the Android documentation: http://source.
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business r cannot be resolved to a variable android studio Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs r.java missing Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just activity_main cannot be resolved or is not a field like you, helping each other. Join them; it only takes a minute: Sign up Android - R cannot be resolved to a variable [duplicate] up vote 69 down vote favorite 23 Possible Duplicate: R cannot be resolved http://stackoverflow.com/questions/885009/r-cannot-be-resolved-android-error - Android error I am having a issue which I have had before and I don't understand the cause. My project and code is fine as it was running yesterday. I have open Eclipse today and the whole project looks like it contains errors. I believe it is some sort of build path issue. I don't understand why it randomly occurs? But in the code where there is R.Layout.LayoutName there is an issue... can anyone http://stackoverflow.com/questions/4932282/android-r-cannot-be-resolved-to-a-variable help? I have tried cleaning and building it, I have tried importing android.R but I didn't have this before, it then gives and error and says the layout file doesn't exist. android buildpath share|improve this question edited Oct 3 '12 at 22:03 volting 6,90672345 asked Feb 8 '11 at 11:07 Beginner 6,71547120198 marked as duplicate by casperOne Feb 28 '12 at 22:36 This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question. I have got two projects in eclipse, one is running fine and the other one isnt? –Beginner Feb 8 '11 at 11:09 1 Kindly check the following link stackoverflow.com/questions/885009/… –chiranjib Feb 8 '11 at 11:14 1 this happens to me whenever I clean my project, it can stop me for days. there seems to be a dozens of different answers to this question involving changing settings deep in the project, which usually don't work and can cause other issues as well. –Androidcoder Sep 24 '13 at 14:30 add a comment| 8 Answers 8 active oldest votes up vote 75 down vote accepted Are you targeting the android.R or the one in your own project? Are you sure your own R.java file is generated? Mistakes in your xml views could cause th