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Error At Setcontentviewr.layout.main

But in your Java file, you are trying to reference such a TextView with this line: final TextView anwserLabel = (TextView) findViewById(R.id.text1); Check out the part in the video where we Truly hope the list helps people since this is a common problem. share|improve this answer answered Jun 27 '11 at 17:53 David 411 same issue in IntelliJ 11.0.1. 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

Abhishek Jain, app developer and trainer for most mobile platformsWritten 57w agoIt sets the View to be displayed as the main content view. Eclipse does not mark them! –Yar Apr 18 '14 at 11:35 1 I had 2 images with same name in hdpi folder (1 with png and 1 with jpg format) Why IsAssignableFrom return false when comparing a nullable against an interface? 2048-like array shift Let's do the Wave! I replaced "activity_main" by just "main" and it worked fine. http://stackoverflow.com/questions/6002756/setcontentviewr-layout-main-error

You can either rename the subdirectory under gen to match your new package name, or you can change your package name back to the old name. The tools in the SDK directory didn't have the permissions to be executed, so it was like the didn't exist for Eclipse, thus it didn't build the R.java file. Very simple number line with points What part of speech is "нельзя"?

Can you try changing the line to this: setContentView(R.layout.activity_main); And then clean your project with Project > Clean (from the Eclipse menu bar at the top). Regression when the dependent variable is between 0 and 1 My math students consider me a harsh grader. Ziga Klemencic 2,569 Points Ziga Klemencic Ziga Klemencic 2,569 Points over 2 years ago ok changed to getMenuInflater().inflate(R.menu.main, menu); i'm sorry i dont understand what to do next?and then paste in Click "add..." (in library), select your project.

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Make sure it follows the correct naming conventions... [a-z0-9_.] –jasonflaherty Nov 1 '12 at 5:54 add a comment| up vote 5 down vote Yet another reason R.java might not get autogenerated If that's the case, remove it, so that your project will resolve R not with the default Android Resources class, but with the one auto-generated from your /res/ folder. Jun 3, 2011 #11 cicoco New Member Joined: Jun 7, 2011 Messages: 1 Likes Received: 0 have u ever config the PATH? 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.

and it automatically resolved as normal. package com.example.crystalball; import android.app.Activity; import android.os.Bundle; import android.view.Menu; import android.view.View; import android.widget.Button; import android.widget.TextView; public class MainActivity extends Activity { private CrystalBall mCrystalBall = new CrystalBall(); @Override public void onCreate(Bundle savedInstanceState) Do the clean and then change the package name to the new name you want. share|improve this answer answered Dec 21 '11 at 17:09 community wiki Brian Lacy This was the culprit in my case.

What would happen if I created an account called 'root'? Is it a fallacy, and if so which, to believe we are special because our existence on Earth seems improbable? R can not be resolved. Is that file (activity_list_item.xml) in your res/layout directory?

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If it isn't there, you can add it by importing a simple project from: C:/android-sdks\extras\android\support\v7\appcompat share|improve this answer edited Oct 10 '15 at 19:37 Tiny Giant 10.4k62046 answered Oct 10 '15

share|improve this answer edited Jun 23 at 11:52 Jamesking56 1,33821435 answered Jun 23 at 10:58 Pawan Tanwar 11 add a comment| up vote -1 down vote i had also getting this Had to delete the gen folder than clean the project! –Mike Jun 5 '12 at 21:21 had the same issue, deleting the gen folder and the bin folder then It turned out finally, I had to install all available updates of Android SDK Tools, Android SDK Platform Tools and SDK Build Tools :p –Saurabh Kumar Aug 4 '13 at 3:19 Formatting on Stack Overflow is different than other sites.

You may have 'Build Automatically' turned off. I had to comment out the setContentView & getMenuInflater lines and then eclipse generated the R.java after which I could uncomment setContentView & getMenuInflator. YOU'RE THE MAN!!!!! problem got resolved.

Does this operation exist? Then you can reference them in code easily by using the R class. import com.example.kaushal.checkbox.R; share|improve this answer answered Jun 23 at 10:17 Pawan Tanwar 11 add a comment| up vote 0 down vote Try setContentView(R.layout.activity_main); instead of setContentView(R.layout.main); share|improve this answer answered Jul Create "gold" from lead (or other substances) English equivalent of the Portuguese phrase: "this person's mood changes according to the moon" Tenant claims they paid rent in cash and that it

One had a different package name to the one that R was generated against. setContentView defines the ui to be shown for that particular activity or class. Have anybody help me please??? Bragging is, too. –Kyll Oct 10 '15 at 19:25 add a comment| up vote 0 down vote use code : setContentView(R.layout.activity_main); instead ofsetContentView(R.layout.main); share|improve this answer answered Jun 7 at 21:05

How can I solve my problem.