I had what I assume is the same issue, something is probably off with the Podspec, it's pulling version 0.0.1 instead of the current version (right now) 0.0.4, switch the line where you have it in your Podfile to this:
pod 'PulsingHalo', :git => 'https://github.com/shu223/PulsingHalo.git'
I had what I assume is the same issue, something is probably off with the Podspec, it's pulling version 0.0.1 instead of the current version (right now) 0.0.4, switch the line where you have it in your Podfile to this:
Worked for me...