I am desperately wondering this question. I am stuck on this for several days and need help. Please let me know if you can help at all.
I am following the Facebook tutorial and everything is going fine until I get the step "Step 3: create a new SDK project for Facebook." After we have completed the following steps: EXACTLY both on the site and on many different training programs on the Internet, the com_facebook_android project is full of errors. Errors occur in the files Facebook.java and FbDialog.java. I am not doing anything, and from the very beginning there is a mistake.

I tried
- creating a project from an existing source
- project import
- recreation of the project from scratch
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Facebook.java
The method onServiceConnected(ComponentName, IBinder) of type Facebook.TokenRefreshServiceConnection must override a superclass method
The method onServiceDisconnected(ComponentName) of type Facebook.TokenRefreshServiceConnection must override a superclass method
FbDialog.java
The method onClick(View) of type new View.OnClickListener(){} must override a superclass method
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