问题
I'm having a problem with the deferred deep links https://developers.facebook.com/docs/app-ads/deep-linking#deferred-deep-linking with facebook android sdk v4.8.1. It always returns null for the applink data on the callback of fetchDeferredAppLink method. I've tested with this tool: https://developers.facebook.com/tools/app-ads-helper/ with the deferred checkbox enabled and uninstalling the app and reintalling both from playstore and android studio. I am logged in with my account on facebook on my phone. I've double checked that the setup is right, and I can't imagine what the problem or error might be.
回答1:
While Facebook gets their bug fixed, I recommend taking a look at Branch.io and their ability to link to your app from a Facebook Ad via deferred deeplinking. The solution works well for Branch links shared to a user's status as well.
I have used their links in my own Android application, more specifically for ads and I've noticed that they can track Installs and Opens very well.
来源：https://stackoverflow.com/questions/34313449/deferred-deep-links-always-null-in-android-and-facebook-sdk