Android Open Source - COMP3720-Travel-Record My List Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.example.android.location;
/*from w w w. ja va2  s.c  om*/
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Scanner;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.client.methods.HttpPost;
import org.json.JSONException;
import org.json.JSONObject;

import android.app.ListActivity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.MenuInflater;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

public class MyListActivity extends ListActivity {
  private final String dir = Environment
      .getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES)
      + "/mobileComputing/";
  private ArrayList<Double> longi = new ArrayList<Double>();
  private ArrayList<Double> lati = new ArrayList<Double>();
  private ArrayList<String> values = new ArrayList<String>();
  private JSONObject jObject = null;

  public void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    // String[] values = new String[] {} ;
    readFile();
    readDataFile();

    String[] val = new String[values.size()];
    int i = 0;
    for (String s : values) {
      val[i] = s;
      i++;
    }
    ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
        android.R.layout.simple_list_item_1, val);
    setListAdapter(adapter);
  }

  @Override
  protected void onListItemClick(ListView l, View v, int position, long id) {
    String item = (String) getListAdapter().getItem(position);
    Toast.makeText(this, item + " selected", Toast.LENGTH_LONG).show();
    String label = "";
    /*
    String uriBegin = "geo:" + lati.get(position) + ","
        + longi.get(position);
    String query = lati.get(position) + "," + longi.get(position) + "("
        + label + ")";
    String encodedQuery = Uri.encode(query);
    String uriString = uriBegin + "?q=" + encodedQuery;
    Uri uri = Uri.parse(uriString);
    Intent intent = new Intent(android.content.Intent.ACTION_VIEW, uri);
    startActivity(intent);
    */
    Intent intent = new Intent(this, ShowImage.class);
    intent.putExtra("showImg", position);
    intent.putExtra("lat", lati.get(position));
    intent.putExtra("log", longi.get(position));
    startActivity(intent);
  }

  private void readDataFile() {
    File data = new File(dir + "data.txt");
    if (data != null) {
      try {
        Scanner scanner = new Scanner(data);
        while (scanner.hasNextLine()) {
          String line = scanner.nextLine();

          String[] log = line.split(",");
          lati.add(Double.parseDouble(log[0]));
          longi.add(Double.parseDouble(log[1]));
          Log.i("heha", log[0] + " " + log[1]);
          // System.out.println(line);
        }

      } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }
    }
  }

  private void readFile() {

    File a = new File(dir);
    if (a != null) {
      File listDir[] = a.listFiles();
      Log.i("h", "fail" + dir);
      for (int i = 0; i < listDir.length; i++) {
        if (listDir[i] != null && listDir[i].isFile()
            && !listDir[i].isDirectory()
            && listDir[i].getName().contains("jpg")) {
          Log.i("haha", "" + listDir[i].getName());
          values.add(listDir[i].getName());
        }
      }
    }
  }
  public void onBackPressed() {
    startActivity(new Intent(this, CameraActivity.class));
  }

}

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