Handle error cases on iOS correctly, and simplify code #221
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This PR fixes the success and error handling for push. Its handling push activation (
didActivateAblyPush
, deactivationdidDeactivateAblyPush
and updatedidAblyPushRegistrationFail
success/error given by Ably Cocoa.In some cases, an error would be caused because we try to send a
FlutterError
through aMethodChannel
. This is not a type that can be serialized through aMethodChannel
. Instead, this fix uses theARTErrorInfo
, which has been used elsewhere to send back errors to platform side. It also avoids extraneous logic: mostly passing the errorInfo given by Ably Cocoa to the dart side.TLDR: Removing complexity and just passing errors (or
nil
) directly.