Main Java Program

main.java

package com.example.tigerblood;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Date;

import com.parse.LogInCallback;
import com.parse.Parse;
import com.parse.ParseAnonymousUtils;
import com.parse.ParseException;
import com.parse.ParseFile;
import com.parse.ParseUser;

import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.SystemClock;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import android.view.Menu;

import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity implements SensorEventListener {
  Button btnShowLocation;

	// gpstracker class
	gpstracker gps;

	private TextView userid;
	private SensorManager sensorManager;

	double ax, ay, az; // these are the acceleration in x,y and z axis

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		// Calls the EULA Script
		new SimpleEula(this).show();

		btnShowLocation = (Button) findViewById(R.id.btnShowLocation);
		userid = (TextView) findViewById(R.id.textView2);

		// Create Information for PARSE
		Parse.initialize(this, "null",
				"null");

		// Generate ANON user
		ParseAnonymousUtils.logIn(new LogInCallback() {
			@Override
			public void done(ParseUser user, ParseException e) {
				if (e != null) {
					Log.d("Node", "Anonymous login failed.");
					user = new ParseUser();
					user.setUsername("null user");
					user.setPassword("null pass");
				} else {
					Log.d("Node", "Anonymous user logged in.");

				}
				// Create the PARSE file save the user ID into it as the header
				// String currentUser = user.getUsername();
				// String header = "user: " + currentUser;
				// byte[] data = header.getBytes();
				// ParseFile file = new ParseFile("data.txt", data);
			}
		});

		// Create data file for local storage

		String filenameline = "CREATING DATA FILE \n";
		FileOutputStream fos = null;
		try {
			fos = openFileOutput("data.txt", Context.MODE_WORLD_READABLE);
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		try {
			fos.write(filenameline.getBytes());
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		try {
			fos.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		// Schedule repeating alarm
		
	      Intent intent = new Intent(MainActivity.this, RepeatingAlarm.class);
	      PendingIntent sender = PendingIntent.getBroadcast(MainActivity.this, 0,
	          intent, 0);

	      // We want the alarm to go off 30 seconds from now.
	      long firstTime = SystemClock.elapsedRealtime();
	      firstTime += 15 * 1000;

	      // Schedule the alarm!
	      AlarmManager am = (AlarmManager) getSystemService(ALARM_SERVICE);
	      am.setRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, firstTime,
	          15 * 1000, sender);
	      
	      // Tell the user about what we did.
			Toast.makeText(
					getApplicationContext(),
					"Scheduled", Toast.LENGTH_LONG)
					.show();
		
		// Set up generic sensor managers
		sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);

		// Set to read the sensor every 60 seconds
		sensorManager.registerListener(this,
				sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER),
				60000000);

		// Continuously grab data
		final class MyLocationListener implements LocationListener {

			@Override
			public void onLocationChanged(Location locFromGps) {
				// called when the listener is notified with a location update
				// from the GPS
				gps = new gpstracker(MainActivity.this);

				// check if GPS enabled
				if (gps.canGetLocation()) {

					gps.getLocation();

					long timestamp = new Date().getTime();

					Toast.makeText(
							getApplicationContext(),
							"Sensor Readings \nLat: " + gps.latitude
									+ "\nLong: " + gps.longitude + "\nax: "
									+ ax + "\nay: " + ay + "\naz: " + az
									+ "\ntime: " + timestamp, Toast.LENGTH_LONG)
							.show();

					// data_string containing all the sensor data
					String data_string = gps.latitude + "," + gps.longitude
							+ "," + ax + "," + ay + "," + az + "\n";

					// Save data into a text file

					// byte[] data = data_string.getBytes();
					// ParseFile file = new ParseFile("data.txt", data);

					// Save data locally

		        	FileOutputStream fos = null;
					try {
						fos = openFileOutput("data.txt", Context.MODE_APPEND);
					} catch (FileNotFoundException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
		        	try {
						fos.write(data_string.getBytes());
						Toast.makeText(
								getApplicationContext(),
								"File Written", Toast.LENGTH_LONG)
								.show();

					} catch (IOException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
		        	try {
						fos.close();
						Toast.makeText(
								getApplicationContext(),
								"File Close", Toast.LENGTH_LONG)
								.show();
					} catch (IOException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
					
					
				} else {
					// can't get location
					Toast.makeText(getApplicationContext(), "No GPS!",
							Toast.LENGTH_LONG).show();
					gps.showSettingsAlert();
				}

			}

			@Override
			public void onProviderDisabled(String provider) {
				// called when the GPS provider is turned off (user turning off
				// the GPS on the phone)
			}

			@Override
			public void onProviderEnabled(String provider) {
				// called when the GPS provider is turned on (user turning on
				// the GPS on the phone)
			}

			@Override
			public void onStatusChanged(String provider, int status,
					Bundle extras) {
				// called when the status of the GPS provider changes
			}
		}

		// GPS Reader
		LocationListener locationListener = new MyLocationListener();
		LocationManager lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
		lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 20000, 0,
				locationListener);

		// Save data into a text file

		// show location button click event
		btnShowLocation.setOnClickListener(new View.OnClickListener() {

			@Override
			public void onClick(View arg0) {

				// Lock the user choices and display user name
				// String currentUser = user.getUsername();
				// userid.setText(currentUser);
				btnShowLocation.setEnabled(false);

			}
		});
	}

	@Override
	public void onAccuracyChanged(Sensor arg0, int arg1) {
	}

	@Override
	public void onSensorChanged(SensorEvent event) {
		if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
			ax = event.values[0];
			ay = event.values[1];
			az = event.values[2];
		}
	}
	
	
	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.activity_main, menu);
		return true;
	}

}

//Schedule alarm for data upload
class RepeatingAlarm extends BroadcastReceiver {
	  @Override
	  public void onReceive(Context context, Intent intent) {
			Toast.makeText(
					context,
					"ALARMED!", Toast.LENGTH_LONG)
					.show();
	  }
}