iOS AdMob Adapter

CocoaPods: pod 'BideaseSDK/AdapterAdmob'. See integration guide.

2.1.0

• Breaking BideaseMediationAdapter.setAppKey(_:, privacyParams:, customProps:) replaced with setInitParams(_ params: InitParams). Passing an empty or whitespace-only key now triggers preconditionFailure(...) instead of silently no-op-ing. See migration.
• New In-ad report button lets users flag bad creatives. No integration changes required.