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  • Post in FaceBook using your Android device via feed dialog

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    In many applications we have to share content, links etc on Facebook. We can achieve this by using Facebook feed dialog. The following lines of code explains how to use feed/publish dialog.
    First you need to get the app id and create a meta data. Now in the 'Application' tab, add a 'Meta Data' item called com.facebook.sdk.ApplicationId, with a value of the app_id(facebook app id).
    To create facebook app id please visit this link https://developers.facebook.com/docs/android/getting-started
    Now get facebook active session

    Session session = Session.getActiveSession();
    if(session == null)
    {
        // do FB login
        doFBLogin();
    }
    else
    {
        showFeedDialog();
    }
    
    // fb login method
    private void doFBLogin()
        {
            // start Facebook Login
            Session.openActiveSession(this, true, new Session.StatusCallback() {
    
                // callback when session changes state
                @Override
                public void call(Session session, SessionState state, Exception exception) {
                    if (session.isOpened()) {               
                        showFeedDialog();
                    }
                }
            });
        }
    
    

    Now definition of showFeedDialog() method

    private void showFeedDialog() 
    {    
        Bundle params = new Bundle();
        params.putString("name", "Write heading here");     
        params.putString("caption", "Write caption here");          
        params.putString("description", "Write description here");
        params.putString("link", "Link Url");
        params.putString("picture", "picture_url");
    
                WebDialog feedDialog = (
                        new WebDialog.FeedDialogBuilder(reviewDetail,
                                Session.getActiveSession(),
                                params))
                                .setOnCompleteListener(new OnCompleteListener() {
    
                                    @Override
                                    public void onComplete(Bundle values,
                                            FacebookException error) {
                                        if (error == null) {
                                            // When the story is posted, echo the success
                                            // and the post Id.
                                            final String postId = values.getString("post_id");
                                            if (postId != null) {
                                                /*Toast.makeText(reviewDetail,
                                                        "Posted story, id: "+postId,
                                                        Toast.LENGTH_SHORT).show();*/
                                                Toast.makeText(reviewDetail,
                                                        "Shared on FaceBook",
                                                        Toast.LENGTH_SHORT).show();
                                            } else {
                                                // User clicked the Cancel button
                                                Toast.makeText(reviewDetail.getApplicationContext(), 
                                                        "Publish cancelled", 
                                                        Toast.LENGTH_SHORT).show();
                                            }
                                        } else if (error instanceof FacebookOperationCanceledException) {
                                            // User clicked the "x" button
                                            Toast.makeText(reviewDetail.getApplicationContext(), 
                                                    "Publish cancelled", 
                                                    Toast.LENGTH_SHORT).show();
                                        } else {
                                            // Generic, ex: network error
                                            Toast.makeText(reviewDetail.getApplicationContext(), 
                                                    "Error posting story", 
                                                    Toast.LENGTH_SHORT).show();
                                        }
                                    }
    
                                })
                                .build();
                feedDialog.show();
    
    }
    
    

    Please add Internet permission in your Manifest file. Also add facebook login activity in your manifest since it is required for FB login.

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