Developing For Android in Eclipse: R.Java Not Regenerating

Developing for Android in Eclipse: R.java not regenerating

This site suggests:

if you run a clean on the project it should regenerate all the generated Java files, namely R.

...and...

In Eclipse, under the Project menu, is an option build automatically.
That would help you build the R.java file everytime modifications are
made. The Clean... option is also there under Project.

This site suggests another solution.

Developing for Android in Eclipse: R.java not regenerating

This site suggests:

if you run a clean on the project it should regenerate all the generated Java files, namely R.

...and...

In Eclipse, under the Project menu, is an option build automatically.
That would help you build the R.java file everytime modifications are
made. The Clean... option is also there under Project.

This site suggests another solution.

R.java file not generated when creating new android project in eclipse and android-studio

Found a solution to my problem. Its the problem with the system 64bit architecture but not with eclipse or android studio. Android SDK is designed for 32bit architecture so i needed to install 32 bit libraries in my 64 bit Ubuntu. Here are the missing libraries

    sudo apt-get install lib32z1

    sudo apt-get install lib32stdcc++6

installing these libraries solved my issue.
Found solution, @Denis Uyeda answer in R.java file not getting generated.

No generated R.java file in my project

Go to Project and hit Clean. This should, among others, regenerate your R.java file.

Also get rid of any import android.R.* statements and then do the clean up I mentioned.

Apparently Jonas problem was related to incorrect target build settings. His target build was set to Android 2.1 (SDK v7) where his layout XML used Android 2.2 (SDK v8) elements (layout parameter match_parent), due to this there was no way for Eclipse to correctly generate the R.java file which caused all the problems.

R.java not being generated for new Android project

I think your problem is just the latest update of the SDK.

Test the following operations on two projects :

• In the project properties (eclipse) -> java build path -> order and export make sure that all your jars in the libs folder are checked.
• And "Android Tools -> Fix Project Properties"
• And "Project -> Clean"

I hope you have helped!

Eclipse doesn't generate R.java and gen folder

Checking the SDK Manager worked for me. It seems Android Build Tools went missing :/

Strange behaviour from eclipse...

After installing it everything worked as expected. So here's another solution...

Hope it works for you,

Take care.

R.java does not regenerate in any way

It happened the same thing to me yesterday. I re-open the SDK Manager and suprisely some stuff in the tools folder wer'ent upgraded. Launch the SDK manager and check if you got the last revisions of this stuff. Then restart Eclipse and rebuild your project.

R.java not generated while creating project in eclipse

Thanks to everyone. I got answer its work for me. R.java can't generate due to "Android SDK is initially intended for 32 bits. As I have 64bit Linux I need to install additional 32bit packages to make it work."

http://myprogrammingblog.com/2013/01/09/how-to-setup-adt-android-development-tools-on-64bit-fedora-17/

http://fedoraproject.org/wiki/HOWTO_Setup_Android_Development

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