I followed the instruction from Cocoapods.
Below is my Podfile:
platform :ios, \'8.2\' pod \'SwiftyJSON\', \'~> 2.1\' pod \'SwiftSpinner\', \'~&
the solution is very simple. You only have to add these lines to your pod file:
target 'PassDTAFirebase' do inherit! :complete # Here your pods use_frameworks! end