android - Error: Unable to open class file R.java -

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android - Error: Unable to open class file R.java -

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developing android in eclipse: r.java not regenerating 63 answers

did fresh install of eclipse, jdk , android-sdk.

i receiving error when creating new project

[2010-09-26 16:07:56 - test] error: unable open class file c:\workspace\test\gen\com\example\test\r.java: no such file or directory

what's reason , how prepare it?

eclipse helios 32 bit java version "1.6.0_21" android sdk api 8

p.s. i'm new android development.

edit: tried of solutions, nil worked. started using friend's install of eclipse ganymede.

i have had same issue, needed do, create project , restart eclipse.

//edit: finish collapsing of "package" tree works well.

java android eclipse r.java-file

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