Android Open Source - AndroidInstagram Instagram

• Back to Development/api  ↑

From Project

Back to project page AndroidInstagram.

License

The source code is released under:

Apache License

Java Source Code

package net.londatiga.android.instagram;
//from   ww  w.j a v a 2 s. c o m
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;

import org.json.JSONObject;
import org.json.JSONTokener;

import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;

import net.londatiga.android.instagram.util.*;

/**
 * Instragam main class.
 * 
 * @author Lorensius W. L. T <lorenz@londatiga.net>
 *
 */
public class Instagram {
  private Context mContext;
  
  private InstagramDialog mDialog;
  private InstagramAuthListener mListener;
  private InstagramSession mSession;
  
  private String mClientId;
  private String mClientSecret;
  private String mRedirectUri;
  
  /**
   * Instantiate new object of this class.
   * 
   * @param context Context
   * @param clientId Client id
   * @param clientSecret Client secret
   * @param redirectUri Redirect uri
   */
  public Instagram(Context context, String clientId, String clientSecret, String redirectUri) {
    mContext    = context;
    
    mClientId    = clientId;
    mClientSecret  = clientSecret;
    mRedirectUri  = redirectUri;
    
    String authUrl  = Cons.AUTH_URL + "client_id=" + mClientId + "&redirect_uri=" + mRedirectUri + "&response_type=code";
    
    mSession    = new InstagramSession(context);
    
    mDialog     = new InstagramDialog(context, authUrl, redirectUri, new InstagramDialog.InstagramDialogListener() {
      
      @Override
      public void onSuccess(String code) {
        retreiveAccessToken(code);
      }
      
      @Override
      public void onError(String error) {
        mListener.onError(error);
      }

      @Override
      public void onCancel() {
      mListener.onCancel();
        
      }
    });
  }
  
  /**
   * Authorize user.
   * 
   * @param listener Auth listner
   */
  public void authorize(InstagramAuthListener listener) {
    mListener = listener;
    
    mDialog.show();
  }
  
  /**
   * Reset session.
   */
  public void resetSession() {
    mSession.reset();
    
    mDialog.clearCache();
  }
  
  /**
   * Get session.
   * 
   * @return Instagram session.
   */
  public InstagramSession getSession() {
    return mSession;
  }
  
  /**
   * Retreive access token.
   * 
   * @param code
   */
  private void retreiveAccessToken(String code) {    
    new AccessTokenTask(code).execute();
  }

  public class AccessTokenTask extends AsyncTask<URL, Integer, Long> {    
    ProgressDialog progressDlg;
    InstagramUser user;
    String code;
    
    public AccessTokenTask(String code) {
      this.code    = code;
      
      progressDlg   = new ProgressDialog(mContext);
      
      progressDlg.setMessage("Getting access token...");      
    }
    
    protected void onCancelled() {
      progressDlg.cancel();
    }
    
      protected void onPreExecute() {
        progressDlg.show();
      }
    
        protected Long doInBackground(URL... urls) {         
            long result = 0;
            
            try {
          List<NameValuePair> params = new ArrayList<NameValuePair>(5);
          
          params.add(new BasicNameValuePair("client_id",     mClientId));
          params.add(new BasicNameValuePair("client_secret",  mClientSecret));
          params.add(new BasicNameValuePair("grant_type",   "authorization_code"));
          params.add(new BasicNameValuePair("redirect_uri",   mRedirectUri));
          params.add(new BasicNameValuePair("code",       code));
          
          InstagramRequest request  = new InstagramRequest();
          String response        = request.post(Cons.ACCESS_TOKEN_URL, params);
          
          if (!response.equals("")) {
            JSONObject jsonObj   = (JSONObject) new JSONTokener(response).nextValue();             
            JSONObject jsonUser  = jsonObj.getJSONObject("user");
            
            user        = new InstagramUser();
            
            user.accessToken  = jsonObj.getString("access_token");
            
            user.id        = jsonUser.getString("id");
            user.username    = jsonUser.getString("username");
            user.fullName    = jsonUser.getString("full_name");
            user.profilPicture  = jsonUser.getString("profile_picture");
          }                    
        } catch (Exception e) { 
          e.printStackTrace();
        }
            
            return result;
        }

        protected void onProgressUpdate(Integer... progress) {                
        }

        protected void onPostExecute(Long result) {          
          progressDlg.dismiss();
          
          if (user != null) {
            mSession.store(user);
            
            mListener.onSuccess(user);
          } else {
            mListener.onError("Failed to get access token");
          }
        }                
    }
  
  public interface InstagramAuthListener {
    public abstract void onSuccess(InstagramUser user);
    public abstract void onError(String error);
    public abstract void onCancel();
  }
}

Java Source Code List

• Back to Development/api  ↑