android XML file not recognized

Question

I created new android project in eclipse and created MainActivity.java and activity_main.xml files but the activity_main.xml file is not recognizing. Project-> clean-> clean all project does nothing . I deleted import android.R does nutting. What should i do? see the screenshot. R not generated in gen folder

enter image description here

score 4 · Answer 1 · answered Mar 18 '14 at 08:32

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Generally in android there are two different R files you can acces:

The android.R - provided by the android platform
Your projects R - holding your resources

You have to import your R file, not the android.R, in order to access your layout. This is done using your package name on import like this:

import your.package.name.R;

The android.R is used for resources provided by the android platform, while your R file contains the resource you added to the project.

answered Mar 18 '14 at 08:32

super-qua

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@ super-qua, i imported project name.R "import com.simbotix.oovoo.R;" does nutting. http://www.evernote.com/shard/s283/sh/5928e229-4408-4893-a092-4e95c8470b8a/48aded3244b7fd61af0c3aea43eb93da – Shashi Shiva L Mar 18 '14 at 08:38
You have to use the package name defined in your `Manifest` with `package="..."`. From the screenshot it looks like that might be different – super-qua Mar 18 '14 at 08:46
Thanks @ super-qua but package name in my manifest is same package="com.simbotix.oovoo". – Shashi Shiva L Mar 18 '14 at 08:51
Did you clean the project again? Also, as @gauravgupta stated below, you layout might contain errors. – super-qua Mar 18 '14 at 08:53
I think some error in- R not generated in gen folder https://www.evernote.com/shard/s283/sh/0d0731e0-d0d7-4517-9116-bbe2922e647e/75e7af566cce3e4d91f310be99e2df2a – Shashi Shiva L Mar 18 '14 at 09:08
Yes, that's exactly what it looks like. You should try to fix the layout error. – super-qua Mar 18 '14 at 09:11
I had the same problem;clean the project; make android studio build gradle again; by restarting IDE ; if it didnt worked just Restart your system; it worked for me – Imran S M Sep 09 '19 at 15:21

score 0 · Answer 2 · answered Mar 18 '14 at 08:33

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Try to clean you project and build. it will work. Kindly remove import android.R; in your activity

answered Mar 18 '14 at 08:33

Murali Ganesan

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@ Murali Ganesan, i deleted import android.R and clean and build the project. does nutting. – Shashi Shiva L Mar 18 '14 at 08:42

score 0 · Answer 3 · edited May 23 '17 at 12:20

'R.layout' is not able to find your layout that means 'R' is not pointing to your application resources. It possibly is pointing to android's resources because this R is of android sub-system.

Look at the import statement, R probably will be of android.R. So you need to tell that you need your R file to use your resources. So you need to import yourpkg.R.

If your layout contains some error then your R would be created in build process. So if your R is not getting created. Check your layouts and fix the issue in layout files.

This post may help in getting to know about Why R file is not generated.

android XML file not recognized

3 Answers3