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Home/ Questions/Q 7666739
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Editorial Team
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Editorial Team
Asked: May 31, 20262026-05-31T14:54:41+00:00 2026-05-31T14:54:41+00:00

Possible Duplicate: Developing for Android in Eclipse: R.java not generating I cleaned my project

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Possible Duplicate:
Developing for Android in Eclipse: R.java not generating

enter image description hereI cleaned my project and changed my project files name.I am getting “R cannot be resolved to a variable”.When i clean the project nothing happens and my /gen/ folder is still empty.I was trying to show u guys an image of the situation but unfortunately i cant due to my low reputation. I hope this can be helpful.

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  1. Editorial Team
    Editorial Team
    2026-05-31T14:54:42+00:00Added an answer on May 31, 2026 at 2:54 pm

    Typically if the R .* can not be generate means that you have some issue into the res/ folder. Check for errors in res/ folder.

    Invalid file name: must contain only [a-z0-9_.]

    all the res/* filename should be named with lowercase character, underscore and number between 0 and 9

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