Android Open Source - location-tracker Location Tracker

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From Project

Back to project page location-tracker.

License

The source code is released under:

MIT License

Java Source Code

package com.alextoma.locationtracker;
/*from w  w  w  .j  av  a 2  s.c  o  m*/
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class LocationTracker extends Activity {

  Button bStartService, bStopService;
  EditText etURL, etTimeLapse, etMinDistance, etAuthKey;
  TextView tvServicRunning;
  
  public static String requestURL = "No_Value";
  public static String authKey = "No_Value";
  public static int timeLapse = -1;
  public static int minDistance = -1;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.location_tracker);
    
    bStartService = (Button) findViewById(R.id.bStartService);
    bStopService = (Button) findViewById(R.id.bStopService);
    
    etURL = (EditText) findViewById(R.id.etURL);
    etTimeLapse = (EditText) findViewById(R.id.etTimeLapse);
    etMinDistance = (EditText) findViewById(R.id.etMinDistance);
    etAuthKey = (EditText) findViewById(R.id.etAuthenticationKey);
    
    tvServicRunning = (TextView) findViewById(R.id.tvServiceRunning);
    
    final Intent serviceIntent = new Intent(this, LocationService.class);
    
    bStartService.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View view) {
        requestURL = etURL.getText().toString();
        timeLapse = Integer.valueOf(etTimeLapse.getText().toString().isEmpty() ? "-1" : etTimeLapse.getText().toString());
        minDistance = Integer.valueOf(etMinDistance.getText().toString().isEmpty() ? "-1" : etMinDistance.getText().toString());
        authKey = etAuthKey.getText().toString();
        
        String error;
        if((error = checkUserInput(requestURL, timeLapse, minDistance, authKey)).equals("No error")) {
          startService(serviceIntent);
          Toast.makeText(getApplicationContext(), "The service has been started", Toast.LENGTH_SHORT).show();
        }
        else
          Toast.makeText(getApplicationContext(), error, Toast.LENGTH_LONG).show();
      }
    });
    
    bStopService.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View view) {
        stopService(serviceIntent);
        Toast.makeText(getApplicationContext(), "The service has been stopped", Toast.LENGTH_SHORT).show();
      }
    });
  }
  
  private String checkUserInput(String url, int time, int dist, String key) {
    StringBuilder error = new StringBuilder();
    boolean noError = true;
    
    if(url.isEmpty()) {
      error.append("Please insert an URL");
      noError = false;
    }
    if(time <= 0) {
      error.append("\nThe Time Lapse must be greater than 0");
      noError = false;
    }
    if(dist <=0) {
      error.append("\nThe Min Distance must be greater than 0");
      noError = false;
    }
    if(key.isEmpty()) {
      error.append("\nPlease insert an Authentication Key");
      noError = false;
    }
      
    if(noError)
      error.append("No error");
    
    return error.toString();
  }

}

Java Source Code List

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