Environment
Mac OS X Version 10.11.3 (15D21) Xcode Version 7.2 (7C68) Simulator Version 9.2 (SimulatorApp-643) react-native-cli 0.1.10 node v5.5
1.Go to File -> Project settings 2.Click the Advanced button 3.Select "Custom" and select "Relative to Workspace" in the pull down 4.Change "Build/Products" to "build/Build/Products" 5.click done, done