List of Advance Android tutorials as published on https://stacktips.com/topics/android
Home Page: http://stacktips.com
License: Apache License 2.0
This series of tutorials shows you the list of basic tutorials to get you started in Android programming. Checkout our tutorials at https://stacktips.com/topics/android
package com.example.gpstracking;
import android.app.Activity;
import android.location.Criteria;
import android.content.Context;
import android.location.Location;
import android.location.LocationManager;
import android.os.Bundle;
import android.location.LocationListener;
import android.util.Log;
import android.view.Menu;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity implements LocationListener {
LocationManager locationManager;
String provider;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//Getting locationManager object
locationManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
//creating an empty criteria object
Criteria Criteria = new Criteria();
//Getting the name of provider that meet the criteria
provider = locationManager.getBestProvider(Criteria, false);
if(provider!=null && !provider.equals("")){
Location location = locationManager.getLastKnownLocation(provider);
locationManager.requestLocationUpdates(provider ,800000,1, this );
if(location!= null)
onLocationChanged(location);
else
Toast.makeText(getBaseContext(),
"Location can't be found" ,Toast.LENGTH_LONG)
.show();
}
else
{
Toast.makeText(getBaseContext(), " No provider found" , Toast.LENGTH_SHORT).show();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@OverRide
public void onLocationChanged(Location location) {
//Getting reference to tv_Longitude
TextView tvLongitude = (TextView)findViewById(R.id.tv_longitude);
tvLongitude.setText("Longitude:" + location.getLongitude());
// Getting reference to tv_Latitude
TextView tvLatitude = (TextView)findViewById(R.id.tv_latitude);
tvLatitude.setText("Latitude:" + location.getLatitude());
}
@OverRide
public void onProviderDisabled(String provider){
Log.d("Latitude","disable");
}
@OverRide
public void onProviderEnabled(String provider){
Log.d("Latitude","enable");
}
@OverRide
public void onStatusChanged(String provider , int status, Bundle extras) {
Log.d("Latitude","status");
}
}
Im trying to build a blog feed activity using the source from your FeedReader and I'm using github to host the json xml file and it keeps crashing. If i past in your original url for the json file it works but mine does not. I also copied the xml from your url and pasted it in my github. any recommendations or thoughts?
package com.example.gpstracking;
import android.app.Activity;
import android.location.Criteria;
import android.content.Context;
import android.location.Location;
import android.location.LocationManager;
import android.os.Bundle;
import android.location.LocationListener;
import android.util.Log;
import android.view.Menu;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity implements LocationListener {
LocationManager locationManager;
String provider;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//Getting locationManager object
locationManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
//creating an empty criteria object
Criteria Criteria = new Criteria();
//Getting the name of provider that meet the criteria
provider = locationManager.getBestProvider(Criteria, false);
if(provider!=null && !provider.equals("")){
Location location = locationManager.getLastKnownLocation(provider);
locationManager.requestLocationUpdates(provider ,800000,1, this );
if(location!= null)
onLocationChanged(location);
else
Toast.makeText(getBaseContext(),
"Location can't be found" ,Toast.LENGTH_LONG)
.show();
}
else
{
Toast.makeText(getBaseContext(), " No provider found" , Toast.LENGTH_SHORT).show();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@OverRide
public void onLocationChanged(Location location) {
//Getting reference to tv_Longitude
TextView tvLongitude = (TextView)findViewById(R.id.tv_longitude);
tvLongitude.setText("Longitude:" + location.getLongitude());
// Getting reference to tv_Latitude
TextView tvLatitude = (TextView)findViewById(R.id.tv_latitude);
tvLatitude.setText("Latitude:" + location.getLatitude());
}
@OverRide
public void onProviderDisabled(String provider){
Log.d("Latitude","disable");
}
@OverRide
public void onProviderEnabled(String provider){
Log.d("Latitude","enable");
}
@OverRide
public void onStatusChanged(String provider , int status, Bundle extras) {
Log.d("Latitude","status");
}
}
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.id.button1, menu);
return true;
}
retireveLocationButton = (Button) findViewById(R.id.retrieve_Location_Button);
locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
locationManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER,
MINIMUM_TIME_BETWEEN_UPDATES,
MINIMUM_DISTANCE_CHANGE_FOR_UPDATES,
new MyLocationListener()
);
Please specify the license for these samples, in case folks want to use snippets in their own projects.
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