How to build demo projet

[fbattet]

Hi,
I clone the project and try to build it, but the gradle sync failed.
The error :

'pod install' command failed with code 1.
Full command: pod install
Error message:
Analyzing dependencies
[!] CocoaPods could not find compatible versions for pod "combine":
  In Podfile:
    combine (from `../ios-combine`)
Specs satisfying the `combine (from `../ios-combine`)` dependency were found, but they required a higher minimum deployment target.
        Please, check that podfile contains following lines in header:
        source 'https://cdn.cocoapods.org'

         Please, check that each target depended on combine contains following dependencies:

[qdsfdhvh]

the combine (from ../ios-combine) dependency were found, but they required a higher minimum deployment target.

It seems to be because I have configured the ios.deploymentTarget too high, you could try turning it down a bit here.