Mega Code Archive
Flickr JSON Location
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package app.test;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONObject;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
public class Test extends Activity implements LocationListener {
public static final String API_KEY = "YOUR_API_KEY";
FlickrPhoto[] photos;
TextView tv;
LocationManager lm;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
tv = (TextView) findViewById(R.id.TextView);
tv.setText("Looking Up Location");
lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
lm.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 60000l,
500.0f, this);
}
public void onPause() {
super.onPause();
lm.removeUpdates(this);
}
public void onLocationChanged(Location location) {
tv.setText(location.getLatitude() + " " + location.getLongitude());
Log.v("LOCATION", "onLocationChanged: lat=" + location.getLatitude()
+ ", lon=" + location.getLongitude());
HttpClient httpclient = new DefaultHttpClient();
String url = "http://api.flickr.com/services/rest/?method=flickr.photos.search&tags= dog,halloween&format=json&api_key="
+ API_KEY
+ "&per_page=5&nojsoncallback=1&accuracy=6&lat="
+ location.getLatitude() + "&lon=" + location.getLongitude();
HttpGet httpget = new HttpGet(url);
HttpResponse response;
try {
response = httpclient.execute(httpget);
HttpEntity entity = response.getEntity();
if (entity != null) {
InputStream inputstream = entity.getContent();
BufferedReader bufferedreader = new BufferedReader(
new InputStreamReader(inputstream));
StringBuilder stringbuilder = new StringBuilder();
String currentline = null;
try {
while ((currentline = bufferedreader.readLine()) != null) {
stringbuilder.append(currentline + "\n");
}
} catch (IOException e) {
e.printStackTrace();
}
String result = stringbuilder.toString();
JSONObject thedata = new JSONObject(result);
JSONObject thephotosdata = thedata.getJSONObject("photos");
JSONArray thephotodata = thephotosdata.getJSONArray("photo");
photos = new FlickrPhoto[thephotodata.length()];
for (int i = 0; i < thephotodata.length(); i++) {
JSONObject photodata = thephotodata.getJSONObject(i);
photos[i] = new FlickrPhoto(photodata.getString("id"),
photodata.getString("owner"), photodata
.getString("secret"), photodata
.getString("server"), photodata
.getString("title"), photodata
.getString("farm"));
Log.v("URL", photos[i].makeURL());
}
inputstream.close();
}
} catch (Exception e) {
e.printStackTrace();
}
ListView listView = (ListView) this.findViewById(R.id.ListView);
listView.setAdapter(new FlickrGalleryAdapter(this, photos));
}
public void onProviderDisabled(String provider) {
}
public void onProviderEnabled(String provider) {
}
public void onStatusChanged(String provider, int status, Bundle extras) {
}
}
class FlickrGalleryAdapter extends BaseAdapter {
private Context context;
private FlickrPhoto[] photos;
LayoutInflater inflater;
public FlickrGalleryAdapter(Context _context, FlickrPhoto[] _items) {
context = _context;
photos = _items;
inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
public int getCount() {
return photos.length;
}
public Object getItem(int position) {
return photos[position];
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
View videoRow = inflater.inflate(R.layout.row, null);
ImageView image = (ImageView) videoRow.findViewById(R.id.ImageView);
image.setImageBitmap(imageFromUrl(photos[position].makeURL()));
TextView videoTitle = (TextView) videoRow
.findViewById(R.id.TextView);
videoTitle.setText(photos[position].title);
return videoRow;
}
public Bitmap imageFromUrl(String url) {
Bitmap bitmapImage;
URL imageUrl = null;
try {
imageUrl = new URL(url);
} catch (MalformedURLException e) {
e.printStackTrace();
}
try {
HttpURLConnection httpConnection = (HttpURLConnection) imageUrl
.openConnection();
httpConnection.setDoInput(true);
httpConnection.connect();
int length = httpConnection.getContentLength();
InputStream is = httpConnection.getInputStream();
bitmapImage = BitmapFactory.decodeStream(is);
} catch (IOException e) {
e.printStackTrace();
bitmapImage = Bitmap.createBitmap(10, 10,
Bitmap.Config.ARGB_8888);
}
return bitmapImage;
}
}
class FlickrPhoto {
String id;
String owner;
String secret;
String server;
String title;
String farm;
public FlickrPhoto(String _id, String _owner, String _secret,
String _server, String _title, String _farm) {
id = _id;
owner = _owner;
secret = _secret;
server = _server;
title = _title;
farm = _farm;
}
public String makeURL() {
return "http://farm" + farm + ".static.flickr.com/" + server + "/"
+ id + "_" + secret + "_m.jpg";
// http://farm{farm-id}.static.flickr.com/{server-id}/{id}_{secret}_[mstzb].jpg
}
}
//main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<ListView android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/ListView"></ListView>
</LinearLayout>
//row.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<ImageView android:id="@+id/ImageView" android:layout_width="wrap_content" android:layout_height="wrap_content"></ImageView>
<TextView android:text="@+id/TextView01" android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/TextView"></TextView>
</LinearLayout>
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