R.java was created, but bin\res is empty, and no errors. ODD
<p>I installed jdk 1.6, eclipse Indigo, android sdk r20 and adt plugin r20. 
When I compile android project, even the 'hello, world' app, no apk was generated. 
Then I found project-dir\bin\res was empty, but R.java was successfully generated. 
Of course no _ap, apk file generated.</p>

<p>I firstly installed eclipse 4.2.1 and sdk r20.0.3 and adt r20.0.3, works fine until I changed the default debug.keystore to the one I used, then no res package or apk file was generated. </p>

<p>This problem has confused me for days, and it is driving me crazy. Would anybody help me on it? I'd appreciate it very much.</p>
