Steps to integrate Login with facebook in your app

Reference This Link



Step 1:
               
Download Facebook SDK and import it to in eclipse.

Step 2:
               
Generate a keyytool for your project or app.
                For Ubuntu : keytool -exportcert -alias androiddebugkey -keystore ~/.android/debug.keystore | openssl sha1 -binary | openssl base64

Step 3:
               
Create app for in facebook.
                Go to developer.facebook into menu -- app -- Create a New app. and click button 'Create app' it will create your app.

Step 4:
               
Than go to 'Settings' and click 'Add Platform' and select android.
                In that provide your project(app) package name and class name and add generated Key Hashes.
                --One more thing dont forgot to add "Contact Email".

Step 5:
               
Than go to 'Status and Review'.
                Enable or On the - Do you want to make this app and all its live features available to the general public?

Step 6:
               
Now you create new project in android or add below things in your porject:
                - Map FacebookSdk in your project add as library project.
                - Add your application id which is generated in developer.facebook in your string.xml as 'app_id'.
                - Add below things in your AndroidManifeat.xml
               
Enjoy... :)