(Android™) Facebook Upload Photo from Local File

Uploads a new photo with a caption from a local file.

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 assumes Chilkat HTTP to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http = new CkHttp();

    CkHttpRequest req = new CkHttpRequest();
    req.put_HttpVerb("POST");
    req.put_ContentType("multipart/form-data");
    req.put_Path("/v2.7/me/photos");

    // Use the previously obtained access token.
    // Note: The publish_actions scope is required to upload a photo.
    req.AddHeader("Authorization","Bearer FACEBOOK-ACCESS-TOKEN");

    // Send an "Expect: 100-continue" header in the request.
    // This causes the HTTP server to end a 100-continue response
    // immediately after receiving the HTTP header.  The client
    // (Chilkat) will receive this intermediate response, and if
    // it's not an error response, it knows that the HTTP server will
    // accept the data that is forthcoming.
    // The alternative is to get an error response after trying to upload
    // the entire contents of the files.
    req.AddHeader("Expect","100-continue");

    // Set a photo caption.
    req.AddParam("caption","Here are some penguins!");

    // Additional parameters can be added to the request by 
    // calling AddParam once per parameter.  
    // See https://developers.facebook.com/docs/graph-api/reference/user/photos
    // for more information about other optional parameters.

    // Indicate the local file to be uploaded.
    boolean success = req.AddFileForUpload("source","qa_data/jpg/penguins2.jpg");
    if (success != true) {
        Log.i(TAG, req.lastErrorText());
        return;
        }

    // Upload the image file..
    CkHttpResponse resp = http.SynchronousRequest("graph.facebook.com",443,true,req);
    if (http.get_LastMethodSuccess() != true) {
        Log.i(TAG, http.lastErrorText());
        return;
        }

    // Examine the response body:
    String responseJson = resp.bodyStr();
    Log.i(TAG, responseJson);

    // The response contains JSON, such as this:
    // {"id":"10210224963435862","post_id":"10224048320139890_10210224963435862"}


  }

  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."
  }
}