(Android™) Read a Single Facebook Post

Demonstrates how to read the contents of a single Facebook post. A post is an individual entry in a profile's feed. The profile could be a user, page, app, or group.

Chilkat Android™ Downloads Android™ Java Libraries Android C/C++ Libraries

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // This example assumes a previously obtained an access token
    CkOAuth2 oauth2 = new CkOAuth2();
    oauth2.put_AccessToken("FACEBOOK-ACCESS-TOKEN");

    CkRest rest = new CkRest();

    // Connect to Facebook...
    boolean success = rest.Connect("graph.facebook.com",443,true,true);
    if (success != true) {
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    // Provide the authentication credentials (i.e. the access key)
    rest.SetAuthOAuth2(oauth2);

    // This example assumes a post id was already retrieved.
    // For example, it could've been retrieved by reading the user's feed:
    // See Parsing the Facebook User Feed for code showing how to parse the JSON feed content.

    String postId = "10224048320139890_10210156138515282";

    CkStringBuilder sbPath = new CkStringBuilder();
    sbPath.Append("/v2.7/");
    sbPath.Append(postId);

    // Select the fields we want.
    // This example will select almost all the possible fields.
    // See https://developers.facebook.com/docs/graph-api/reference/post/
    rest.AddQueryParam("fields","id,message,created_time,caption,description,from,link,name,object_id,picture,place,privacy,properties,shares,source,status_type,story,targeting,to,type,updated_time,with_tags");

    String responseJson = rest.fullRequestNoBody("GET",sbPath.getAsString());
    if (rest.get_LastMethodSuccess() != true) {
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    CkJsonObject json = new CkJsonObject();
    json.put_EmitCompact(false);
    json.Load(responseJson);

    // Show the JSON in human-readable format.
    Log.i(TAG, json.emit());

    // A sample JSON response is shown here.  
    // { 
    //   "id": "12345678901234567_12345678900000004",
    //   "message": "Ignore my posts -- I'm doing some testing for Facebook related programming...",
    //   "created_time": "2016-09-29T20:46:18+0000",
    //   "from": { 
    //     "name": "John Doe",
    //     "id": "12345678901234567"
    //   },
    //   "link": "https:\/\/www.facebook.com\/photo.php?fbid=10210199026247451&set=a.1237223526054.2038240.1094202869&type=3",
    //   "object_id": "10210139026347451",
    //   "picture": "https:\/\/scontent.xx.fbcdn.net\/v\/t1.0-9\/14462791_10210199026647451_7830642117574407060_n.jpg?oh=a7f9ed10ce9cd81a82adeb541c60e2e2&oe=58ABB195",
    //   "privacy": { 
    //     "allow": "",
    //     "deny": "",
    //     "description": "Public",
    //     "friends": "",
    //     "value": "EVERYONE"
    //   },
    //   "status_type": "added_photos",
    //   "type": "photo",
    //   "updated_time": "2016-09-29T20:46:18+0000"
    // }

    // This is the code to parse some fields in the JSON response.
    Log.i(TAG, "type: " + json.stringOf("type"));
    Log.i(TAG, "message: " + json.stringOf("message"));
    Log.i(TAG, "id: " + json.stringOf("id"));
    Log.i(TAG, "link: " + json.stringOf("link"));
    Log.i(TAG, "privacy descripton: " + json.stringOf("privacy.description"));

    CkDateTime dtime = new CkDateTime();
    boolean bLocalTime = true;
    dtime.SetFromTimestamp(json.stringOf("created_time"));
    CkDtObj dt = dtime.GetDtObj(bLocalTime);
    Log.i(TAG, String.valueOf(dt.get_Month()) + "/" + String.valueOf(dt.get_Day()) + "/" + String.valueOf(dt.get_Year())
         + "  " + String.valueOf(dt.get_Hour()) + ":" + String.valueOf(dt.get_Minute()));


  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}