import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GooglePlayServicesUtil;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.common.api.GoogleApiClient.ConnectionCallbacks;
import com.google.android.gms.common.api.GoogleApiClient.OnConnectionFailedListener;
import com.google.android.gms.location.LocationRequest;
import com.google.android.gms.location.LocationServices;
import android.app.Activity;
import android.location.Location;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.AsyncTask;
import android.text.method.ScrollingMovementMethod;
import android.widget.ProgressBar;

public class MainActivity extends Activity implements ConnectionCallbacks,
    OnConnectionFailedListener {
// NEW CONTENT
private static final String TAG = MainActivity.class.getSimpleName();
private final static int PLAY_SERVICES_RESOLUTION_REQUEST = 1000;
private GoogleApiClient mGoogleApiClient;
private Location mLastLocation;

//ORIGINAL CONTENT
TextView output;
ProgressBar pb;
List<MyTask> tasks;
private Button btnNewShowLocation;

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

    output = (TextView) findViewById(R.id.textView);
    output.setMovementMethod(new ScrollingMovementMethod());
    pb = (ProgressBar) findViewById(R.id.progressBar1);
    pb.setVisibility(View.INVISIBLE);
    btnNewShowLocation = (Button) findViewById(R.id.btnNewShowLocation);
    tasks = new ArrayList<>();

    // NEW CONTENT
    if (checkPlayServices()) {
        // Building the GoogleApi client
        buildGoogleApiClient();
    }


    // ORIGINAL CONTENT
    btnNewShowLocation.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (isOnline()) {
                requestData("http://10.0.2.2/index2.php");

            } else {
                Toast.makeText(MainActivity.this, "Network isn't available", Toast.LENGTH_LONG).show();
            }
        }
    });
}

private void displayLocation() {


    mLastLocation = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);
    Calendar c = Calendar.getInstance();
    System.out.println("Current time => " + c.getTime());
    SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
    String formattedDate = df.format(c.getTime());
    if (mLastLocation != null) {
        double latitude = mLastLocation.getLatitude();
        double longitude = mLastLocation.getLongitude();
        Toast.makeText(getApplicationContext(), "Latitude = " + latitude + "nLongitude = " + longitude + "nDate = " + formattedDate, Toast.LENGTH_LONG).show();
    } else {
        Toast.makeText(getApplicationContext(), "Location not found! nIs Location turned ON in Settings?", Toast.LENGTH_LONG).show();
    }
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
}

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    if (item.getItemId() == R.id.action_get_data) {
    }
    return false;
}

private void requestData(String uri) {

    RequestPackage p = new RequestPackage();
    p.setMethod("POST");
    p.setUri(uri);
    p.setParams("longitude", "Fake Value 1");
    p.setParams("latitude",  "Fake Value 2");
    p.setParams("date",      "Fake Value 3");

    MyTask task = new MyTask();
    task.execute(p);
}

protected void updateDisplay(String result) {
    output.append(result + "n");
}

protected boolean isOnline() {
    ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo netInfo = cm.getActiveNetworkInfo();
    if (netInfo != null && netInfo.isConnectedOrConnecting()) {
        return true;
    } else {
        return false;
    }
}
// NEW CONTENT
protected synchronized void buildGoogleApiClient() {
    mGoogleApiClient = new GoogleApiClient.Builder(this)
            .addConnectionCallbacks(this)
            .addOnConnectionFailedListener(this)
            .addApi(LocationServices.API).build();
}
/**
 * Method to verify google play services on the device
 */
private boolean checkPlayServices() {
    int resultCode = GooglePlayServicesUtil
            .isGooglePlayServicesAvailable(this);
    if (resultCode != ConnectionResult.SUCCESS) {
        if (GooglePlayServicesUtil.isUserRecoverableError(resultCode)) {
            GooglePlayServicesUtil.getErrorDialog(resultCode, this,
                    PLAY_SERVICES_RESOLUTION_REQUEST).show();
        } else {
            Toast.makeText(getApplicationContext(),
                    "This device is not supported.", Toast.LENGTH_LONG)
                    .show();
            finish();
        }
        return false;
    }
    return true;
}

@Override
protected void onStart() {
    super.onStart();
    if (mGoogleApiClient != null) {
        mGoogleApiClient.connect();
    }
}

@Override
protected void onResume() {
    super.onResume();
    checkPlayServices();
}
/**
 * Google api callback methods
 */
@Override
public void onConnectionFailed(ConnectionResult result) {
    // what's going on here...
    Log.i(TAG, "Connection failed:  ConnectionResult.getErrorCode() = "
            + result.getErrorCode());
}

@Override
public void onConnected(Bundle arg0) {
}

@Override
public void onConnectionSuspended(int arg0) {
    mGoogleApiClient.connect();
}

// ORIGINAL CONTENT
private class MyTask extends AsyncTask<RequestPackage, String, String> {

    @Override
    protected void onPreExecute() {
        if (tasks.size() == 0) {
            pb.setVisibility(View.VISIBLE);
        }
        tasks.add(this);
    }

    @Override
    protected String doInBackground(RequestPackage... params) {
        String content = HttpManager.getData(params[0]);
        return content;
    }

    @Override
    protected void onPostExecute(String result) {
        updateDisplay(result);

        tasks.remove(this);
        if (tasks.size() == 0) {
            pb.setVisibility(View.INVISIBLE);
        }
    }

    @Override
    protected void onProgressUpdate(String... values) {
        //updateDisplay(values[0]);
    }
  }
 }