Android Open Source - WhoIsThis Facebook Feed

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License

The source code is released under:
MIT License
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Java Source Code

package hu.Edudroid.WhoIsThis;
//from   ww w  .  ja va2 s . c  o m
import java.io.IOException;
import java.net.MalformedURLException;
import java.util.ArrayList;
import java.util.HashMap;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TextView;

import com.facebook.android.*;
import com.facebook.android.Facebook.DialogListener;

public class FacebookFeed extends Activity implements DialogListener, OnClickListener
 {
  private static final String FB_APP_ID = "183030021739249";
    private static final String[] FB_AUTHORIZATIONS = { "friends_about_me", "friends_birthday", "friends_hometown", 
                              "friends_location", "friends_photos", "  friends_website" };
  private String fb_jsonString, fb_id, contact_name;
    private Facebook facebook = new Facebook(FB_APP_ID);


    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.facebook);
        facebook.getAccessToken();
        Bundle in = super.getIntent().getExtras();
        fb_id = in.getString("fb_id");
        contact_name = in.getString("name");

        facebook.authorize(this, FB_AUTHORIZATIONS, this);
    }
    
    @Override
    public void onComplete(Bundle values) {
    TextView t1 = (TextView) findViewById(R.id.FBTextView1);
    TextView t2 = (TextView) findViewById(R.id.FBTextView2);
    TextView t3 = (TextView) findViewById(R.id.FBTextView3);
    TextView t4 = (TextView) findViewById(R.id.FBTextView4);
    TextView t5 = (TextView) findViewById(R.id.FBTextView5);
    
        try {
          if(fb_id == null || fb_id.compareTo("") == 0 )
             fb_id = searchForId(contact_name, getFriendList());
          fb_jsonString = facebook.request(fb_id);
    } catch (MalformedURLException e) {
    } catch (IOException e) {}
    
      try {        
          JSONObject json = new JSONObject(fb_jsonString);
          t1.setText(json.getString("first_name"));
          t2.setText(json.getString("last_name"));
          t3.setText(json.getString("birthday"));
          t4.setText(json.getString("website"));          
          JSONObject location = json.getJSONObject("location");
      t5.setText(location.getString("name"));

      } catch (JSONException e) {}
    }

    @Override
    public void onFacebookError(FacebookError error) {
      finish();
    }

    @Override
    public void onError(DialogError e) {
      finish();
    }

    @Override
    public void onCancel() {
      finish();
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
      super.onActivityResult(requestCode, resultCode, data);
      facebook.authorizeCallback(requestCode, resultCode, data);
    }

  @Override
  public void onClick(View v) {
  
  }
  
  private ArrayList<HashMap<String, String>> getFriendList() {
    ArrayList<HashMap<String, String>> friendlist = new ArrayList<HashMap<String, String>>();
      try {
          JSONObject json = new JSONObject(facebook.request("me/friends"));
          JSONArray data = json.getJSONArray("data");

          for (int i = 0; i < data.length(); i++) {
              JSONObject data_item = data.getJSONObject(i);
              HashMap<String, String> friend = new HashMap<String, String>(data.length());
              friend.put("name", data_item.getString("name"));
              friend.put("id", data_item.getString("id"));

              friendlist.add(friend);
          }
    }
      catch (MalformedURLException e) {}
    catch (IOException e) {}
      catch (JSONException e) {}
      
      return friendlist;
  }
  
  private String searchForId(String name, ArrayList<HashMap<String, String>> friendlist) {
    String id = null;
    for(int i=0; i < friendlist.size(); i++) {
      HashMap<String, String> friend = (HashMap<String, String>) friendlist.get(i);
      if(friend.get("name").compareToIgnoreCase(name) == 0) id = friend.get("id");
    }
    return id;
  }

}
Java Source Code List
