Android R.java doesn't generate
问题 I've just updated the Android SDK to version 22.0 (well, more like a fresh install) and started a new project in Eclipse. I went through the project wizard and everything went fine but then I realised that it didn't generate the build files (neither BuildConfig.java nor R.java). I searched a bit and found others with similar problems and someone pointed out that after updating a new package should be available called Android Build Tools. I had installed them as well and BuildConfig.java