android - Why my R.java cannot be generated automatically? -


i installed eclipse on computer. , make blank android project via wizard step step. means project should work fine after created. cannot , show error of "r cannot resolved variable". , found gen directory empty , won't generate new in directory try clean , select build automatically option already.

i download existing android project github , can work. after run clean, gave same error information , gen directory empty again.

why , how solve it? thanks!

make sure have installed followings in android sdk manager

android sdk tools

android sdk platform-tools

android sdk build-tools

by clicking window-> android sdk manager in eclipse

wait bit let fetch content , see if installed or not.


Comments