GetFriends.java :  » UnTagged » mobileaccessibility » cs » washington » mobileaccessibility » Android Open Source

package cs.washington.mobileaccessibility;

import java.io.IOException;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.GestureDetector;
import android.widget.TextView;

import com.google.tts.TTS;

@SuppressWarnings("deprecation")
public class GetFriends extends GestureUI{

  /** Global Variables **/
  private TTS myTts;         // Text to Speech
  private TextView screenText;   // Main Screen's Text
  
  protected static String[][] friends;
  protected static int currentIndex;
  protected static int maxIndex;  // max index of current elements in array

  private double longitude;
  private double latitude;
  
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
    gestureScanner = new GestureDetector(this);
    longitude = this.getIntent().getDoubleExtra("longitude", 0);
    latitude = this.getIntent().getDoubleExtra("latitude", 0);
    
    populateFriends();
    
    myTts = new TTS(this, ttsInitListener, true);

    screenText = (TextView) findViewById(R.id.screenContent);
    screenText.setText(R.string.getFriends);
  }
  
  /** Initialize and setup the Text to Speech **/
  private TTS.InitListener ttsInitListener = new TTS.InitListener() {

    public void onInit(int version) {
      myTts.speak("Find Nearby Friends, please scroll left and right",0, null);  
    }
  };
  
  /**
   * Populate the array that stores the current friends to display.
   */
  private void populateFriends() {
      //internet query
      PhpScriptAccess conn = new PhpScriptAccess("http://students.washington.edu/kwanste/friends.php");
       
      try {
        String[] results = conn.getQuery(longitude, latitude);
        maxIndex = results.length;
        friends = new String[maxIndex][3];
        for(int i = 0; i < maxIndex; i++) {
          friends[i] = results[i].split(";");
        }
        Log.d("GetFriends", "Population success");
        
        /* This is the old one for a 1-D array
        String[] results = conn.getQuery();
        maxIndex = results.length;
        //friends = new String[maxIndex*2][2];
        friends = results;
        
        Log.d("savedLocations", "Population success");*/
      }  catch (IOException e) {
            Log.e("Php Script", "Shit don't work fucker.", e);
      } 
  }
  
  
  /** Define these methods as needed in every class that extends the GesturesUI **/
  @Override
  protected void onUpFling() {
    finish();
  }
  
  @Override
  protected void onRightFling() {
    // Increase
    if (currentIndex == maxIndex - 1) {
      currentIndex = 0;
    } else {
      currentIndex++;
    }
    
    double distance = Math.round(Double.parseDouble(friends[currentIndex][2]));
    
    if(Double.parseDouble(friends[currentIndex][2]) < 1.0) {
      myTts.speak(friends[currentIndex][0] + " is less than a mile away." , 0, null);
    } else {
      myTts.speak(friends[currentIndex][0] + " is " + distance + " miles away.", 0, null);
    }
    
    String friendToPrint = friends[currentIndex][0] + "\n\n" + distance + " miles away";
    screenText.setText(friendToPrint);
  }
  
  @Override
  protected void onLeftFling() {
    // Decrease
    if (currentIndex == 0) {
      currentIndex = maxIndex-1;
    } else {
      currentIndex--;
    }
    
    double distance = Math.round(Double.parseDouble(friends[currentIndex][2]));
    
    if(Double.parseDouble(friends[currentIndex][2]) < 1.0) {
      myTts.speak(friends[currentIndex][0] + " is less than a mile away." , 0, null);
    } else {
      myTts.speak(friends[currentIndex][0] + " is " + distance + " miles away.", 0, null);
    }
    
    String friendToPrint = friends[currentIndex][0] + "\n\n" + distance + " miles away";
    screenText.setText(friendToPrint);
    
  }
  
  /**
   *  Repeat the friend's distance and name
   */
  @Override
  protected void onTap() {
    // Repeat
    double distance = Math.round(Double.parseDouble(friends[currentIndex][2]));
    
    if(Double.parseDouble(friends[currentIndex][2]) < 1.0) {
      myTts.speak(friends[currentIndex][0] + " is less than a mile away." , 0, null);
    } else {
      myTts.speak(friends[currentIndex][0] + " is " + distance + " miles away.", 0, null);
    }
  }
  
  /** 
   * Pull up a dialer to call friend
   */
  @Override
  protected void onLongPressDown() {
    Uri number = Uri.parse("tel:" + friends[currentIndex][1]);
        Intent dial = new Intent(Intent.ACTION_DIAL, number);
        startActivity(dial);  
  }
}