我的角应用无法识别我的服务(未知提供商)

ok, I have viewed the docs, and have directly taken this code from another project that works. I have no idea why, but i keep getting an unknown provider error. Ive run through all the possible problems that angular points out on their error reference, so if you are just going to link me there don't waste your time.ok, I have viewed the docs, and have directly t