Unable to add cocoapod dependancy in Custom framework - Swift - ios

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What did you do?
I have created podspec file for my custom Framework as:
Pod::Spec.new do |s|
s.platform = :ios
s.ios.deployment_target = '10.0'
s.name = "CustomFramework"
s.summary = "CustomFramework have all the wrapper API."
s.requires_arc = true
s.version = "1.0.0"
s.license = { :type => "MIT", :file => "LICENSE" }
s.author = { "My Name" => "my.name#xyz.com" }
s.homepage = "URL_LINK"
s.source = { :git => "github_url_link", :tag => "#{s.version}"}
s.dependency 'RealmSwift', '3.5.0'
s.dependency 'Firebase/Core', '5.1.0'
s.dependency 'Firebase/Firestore', '5.1.0'
s.dependency 'PubNub','4.7.5'
s.source_files = "CustomFramework/**/*.{swift}"
end
I am adding this Custom framework pod in the sample project as:
target 'customFrameworkSample' do
use_frameworks!
pod 'customFramework' , :path => 'Local_Path_for_customFramework.podspec'
target 'customFrameworkSampleTests' do
use_frameworks!
pod 'customFramework' , :path => 'Local_Path_for_customFramework.podspec'
end
end
What did you expect to happen?
Pod should install properly and When sample project is Build, it should Run and not throw any error.
What happened instead?
In the Sample project, error is thrown while importing firbase, RealmSwift files, etc.. in CustomFramework files.
CocoaPods Environment
cocoapod : 1.5.3

Answer 1

When you specify dependancies in your Podspec you are saying that YOUR CUSTOM FRAMEWORK is dependant on them. So the dependancies will only be available to reference within your framework. If you want the sample application to be able to reference Firebase then you will need to specify this within the sample application's podfile.
Documentation references:
Podspec 'dependancies'
Podfile 'dependancies'

Answer 2

make sure you have added firebase library in Linked framework and libraries