Android Open Source - Android-PhotoBook Photo Grid Activity

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From Project

Back to project page Android-PhotoBook.

License

The source code is released under:

MIT License

Java Source Code

package com.avidas.photoviewer;
/*from   w w  w .j av  a 2  s.c  o m*/
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.AsyncTask;
import android.os.Bundle;
import android.provider.ContactsContract.CommonDataKinds.Photo;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.GridView;

public class PhotoGridActivity extends Activity {

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_photo_grid);
    
    GridView gridview = (GridView) findViewById(R.id.gridview);
    new FlickrTask().execute();
      gridview.setAdapter(new ImageAdapter(this));

      gridview.setOnItemClickListener(new OnItemClickListener() {
          public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
            // Sending image id to FullScreenActivity
                Intent i = new Intent(getApplicationContext(), DetailActivity.class);
                // passing array index
                i.putExtra("id", position);
                startActivity(i);
          }
      });
  }
  
  class FlickrTask extends AsyncTask<String, Integer, List> {
    private static final String FLICKR_API_KEY = null;
    private static final String FLICKR_FORMAT = null;
    private ProgressDialog progressDialog;
    private Integer totalCount, currentIndex;
    
    @Override
    protected void onPreExecute() {
      super.onPreExecute();
      progressDialog = new ProgressDialog(PhotoGridActivity.this);
      progressDialog.setMessage("Loading images from Flickr. Please wait...");
      progressDialog.show();
    }
    
    @Override
    protected void onProgressUpdate(Integer... values){
      super.onProgressUpdate(values);
      progressDialog.setMessage(String.format("Loading images from Flickr %s%s. Please wait...", values[0], values[1]));
    }
    
    @Override
    protected List doInBackground(String... params) {
      Flickr flickr = new Flickr(FLICKR_API_KEY, FLICKR_FORMAT);
      List photos = flickr.getPhotoSets().getPhotos(PHOTOSET_ID);
      List result = new ArrayList();
      totalCount = photos.size();
      currentIndex = 0;
      for (Photo photo : photos) {
        currentIndex++;
        List sizes = flickr.getPhotos().getSizes(photo.getId());
        String thumbnailUrl = sizes.get(0).getSource();
        String mediumUrl = sizes.get(4).getSource();
        InputStream inputSteamThumbnail = null, inputStreamMedium=null;
        try {
           inputStreamThumbnail = new URL(thumbnailUrl).openStream();
                 inputStreamMedium = new URL(mediumUrl).openStream();
        } catch (IOException e) {
                  e.printStackTrace();
              }
        Bitmap bitmapThumbnail = BitmapFactory.decodeStream(inputStreamThumbnail);
              Bitmap bitmapMedium = BitmapFactory.decodeStream(inputStreamMedium);
              result.add(new ImageInfo(photo.getTitle(),bitmapThumbnail ,bitmapMedium ));
              publishProgress(currentIndex, totalCount);
        
      }
      currentAppData.setImageInfos(result);
          return result;
    }
    @Override
    protected void onPostExecute(List s) {
      progressDialog.dismiss();
      imageGridViewAdapter = new ImageGridViewAdapter(MainActivity.this);
          gridView.setAdapter(imageGridViewAdapter);
          super.onPostExecute(s);
    }
    
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.photo_grid, menu);
    return true;
  }

}

Java Source Code List

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