Android Open Source - EmPubLite Main Fragment

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Back to project page EmPubLite.

License

The source code is released under:

MIT License

Java Source Code

package com.commonsware.empublite;
/*  www .  java 2  s  . c om*/
import org.json.JSONException;
import org.json.JSONObject;

import android.content.Intent;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.Toast;

import com.facebook.FacebookException;
import com.facebook.FacebookOperationCanceledException;
import com.facebook.Session;
import com.facebook.SessionState;
import com.facebook.UiLifecycleHelper;
import com.facebook.widget.LoginButton;
import com.facebook.widget.WebDialog;
import com.facebook.widget.WebDialog.OnCompleteListener;

public class MainFragment extends Fragment {
  private static final String TAG = "MainFragment";
  private UiLifecycleHelper uiHelper;
  private Button publishButton;
  private Button listenSampleButton;

  
  
  private Session.StatusCallback callback = new Session.StatusCallback() {
      @Override
      public void call(Session session, SessionState state, Exception exception) {
          onSessionStateChange(session, state, exception);
      }
  };
  
  @Override
  public View onCreateView(LayoutInflater inflater, 
          ViewGroup container, 
          Bundle savedInstanceState) {
      View view = inflater.inflate(R.layout.activity_face_book, container, false);
      
      LoginButton authButton = (LoginButton) view.findViewById(R.id.authButton);
      authButton.setFragment(this);
      
      publishButton = (Button) view.findViewById(R.id.publishButton);
      publishButton.setOnClickListener(new View.OnClickListener() {
          @Override
          public void onClick(View v) {
              publishFeedDialog();        
          }
      });
      
      listenSampleButton=(Button)view.findViewById(R.id.sample);
      listenSampleButton.setOnClickListener(new View.OnClickListener() {
          @Override
          public void onClick(View v) {
            String url = "http://rovimusic.rovicorp.com/playback.mp3?c=LJ9SjGxeoOlEa_u2Ogl3DTqpU4hxl5saPDaNIVORh-E=&f=J";
              MediaPlayer mediaPlayer = new MediaPlayer();
              try {
                mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
                  mediaPlayer.setDataSource(url);
                  mediaPlayer.prepare();
                  mediaPlayer.start();
        } catch (Exception e) {
          // TODO: handle exception
        }
          }
      });

      return view;
  }
  
  private void onSessionStateChange(Session session, SessionState state, Exception exception) {
      if (state.isOpened()) {
          publishButton.setVisibility(View.VISIBLE);
          Bundle b = getActivity().getIntent().getExtras();
          if (b.getString("type").equals("songs")) {
            listenSampleButton.setVisibility(View.VISIBLE);
      }
          
      } else if (state.isClosed()) {
          publishButton.setVisibility(View.INVISIBLE);
      }
  }
  
  @Override
  public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      uiHelper = new UiLifecycleHelper(getActivity(), callback);
      uiHelper.onCreate(savedInstanceState);
  }
  
  @Override
  public void onResume() {
      super.onResume();
      // For scenarios where the main activity is launched and user
      // session is not null, the session state change notification
      // may not be triggered. Trigger it if it's open/closed.
      Session session = Session.getActiveSession();
      if (session != null &&
             (session.isOpened() || session.isClosed()) ) {
          onSessionStateChange(session, session.getState(), null);
      }

      uiHelper.onResume();
  }

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

  @Override
  public void onPause() {
      super.onPause();
      uiHelper.onPause();
  }

  @Override
  public void onDestroy() {
      super.onDestroy();
      uiHelper.onDestroy();
  }

  @Override
  public void onSaveInstanceState(Bundle outState) {
      super.onSaveInstanceState(outState);
      uiHelper.onSaveInstanceState(outState);
  }
  
  private void publishFeedDialog() {
    Bundle b = getActivity().getIntent().getExtras();
    String type = b.getString("type");
    String id = b.getString("id");
    String name=null;
    String description=null;
    String link=null;
    String picture=null;
    
    if (type.equals("songs")) {
      name = b.getString("title"+id);
      description = "I like song "+name+" composed by " + b.getString("composer"+id)+"\n Performer: "+b.getString("performer"+id);
      link = b.getString("detail"+id);
      picture=b.getString("cover");

    }
    
    else if (type.equals("albums")){
      name = b.getString("title"+id);
      description = "I like "+name+" released in " + b.getString("year"+id)+" \n Artist: "+b.getString("artist"+id)+" \n Genre: "+b.getString("genre"+id);
      link = b.getString("detail"+id);
      picture=b.getString("cover"+id);
    }
    
    else if (type.equals("artists")){
      name = b.getString("name"+id);
      description = "I like "+name+" who is active since  " + b.getString("year"+id)+" \n Genre of Music is: "+b.getString("genre"+id);
      link = b.getString("detail"+id);
      picture=b.getString("cover"+id);
    }
    
      Bundle params = new Bundle();
      params.putString("name",name);
      params.putString("properties", "{ 'Look at details ': { 'text': 'here', 'href': '" +
          link + "' } }"); 
      //params.putString("caption", "Build great social apps and get more installs.");
      params.putString("description", description);
      params.putString("link", link);
      params.putString("picture", picture);
      
      



      WebDialog feedDialog = (
          new WebDialog.FeedDialogBuilder(getActivity(),
              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(getActivity(),
                              "successfully post",
                              Toast.LENGTH_SHORT).show();
                      } else {
                          // User clicked the Cancel button
                          Toast.makeText(getActivity().getApplicationContext(), 
                              "Publish cancelled", 
                              Toast.LENGTH_SHORT).show();
                      }
                  } else if (error instanceof FacebookOperationCanceledException) {
                      // User clicked the "x" button
                      Toast.makeText(getActivity().getApplicationContext(), 
                          "Publish cancelled", 
                          Toast.LENGTH_SHORT).show();
                  } else {
                      // Generic, ex: network error
                      Toast.makeText(getActivity().getApplicationContext(), 
                          "Error posting story", 
                          Toast.LENGTH_SHORT).show();
                  }
              }

          })
          .build();
      feedDialog.show();
  }
}

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