Creating New App
- OpenΒ https://developers.facebook.com/apps/
- Create New App

- Enter Your App Info at Settings/Basic

- Add Product “Facebook Login” and setup

- Click Android to setup

- Click Next for “Download the Facebook SDK for Android”
- Click Next for “Import the Facebook SDK”
- Enter Package Name and Default Activity Class Name at “Tell Us About Your Android Project”. Click Save And Click Next .
Package Name: You need to enter your own package name. That package name must Equal with package name from firebase. For Default Activity Class Name must end with “.MainActivity”

- Enter Key Hashes at “Add Your Development and Release Key Hashes”. Click Save and Click Continue.

- Enable Single Sign On at “Enable Single Sign On for Your App”. Click Save and Click Next.

Add success callback url at Facebook Login Setting Add this urlΒ https://www.facebook.com/connect/login_success.htmlΒ at Valid OAuth Redirect URIs Enable Login from Devices

- Get FB Key from Dashboard

- Insert to Android Project ( android/app/src/main/res/values/strings/strings.xml )

- Insert to iOS ( ios/Runner/Info.plist)

- Change switch button to “ON”

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