this exception cause due to because your device cant get last location
thats why you got null pointer exception
Location mLocation = mLocationManager.
getLastKnownLocation(locationprovider);
if (mLocation!= null)
String text = "Last location lat: " + mLocation.getLatitude()
+ "long: " + mLocation.getLongitude();
//+ "speed :" + mLocation.getSpeed() +
// "Time: " + mLocation.getTime();
tv.setText(text);
else{
Toast.maketext(MyLocation.this,"Last Location not
found",Toast.LENGTH_LONG).show();
}
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