Hi,,
If i click redbutton I need to display latitude
if i click greenbutton i need to display longitude
How can i did that..! please give any solution..!
On Sep 29, 1:44 am, Kostya Vasilyev <[email protected]> wrote:
> Your code doesn't seem to assign any values to redbtn and greenbtn.
>
> Then you call methods on these objects - perhaps they are still Null at that
> point?
>
> --
> Kostya Vasilyev --http://kmansoft.wordpress.com
>
> 29.09.2010 0:34 пользователь "Gold" <[email protected]> написал:
>
> Hi..All,
>
> I need to disply current Position latitude and
> logintude .. I tried but it will show Null pointer exception.. here
> with i attached my code... please help me to solve this problem..
> I run this application on android emulator
>
> import android.app.Activity;
> import android.app.Dialog;
> import android.content.Context;
> import android.location.Location;
> import android.location.LocationListener;
> import android.location.LocationManager;
> import android.location.LocationProvider;
> import android.os.Bundle;
> import android.view.View;
> import android.view.View.OnClickListener;
> import android.widget.Button;
> import android.widget.Toast;
>
> public class Home extends Activity
> {
> private Button btn1;
> private Button btn2;
> private Button btn3;
> private LocationListener myLocationListener;
> private LocationManager myLocationManager;
> public String latitude;
> public String longitude;
>
> /** Called when the activity is first created. */
> �...@override
> public void onCreate(Bundle savedInstanceState)
> {
> super.onCreate(savedInstanceState);
> setContentView(R.layout.home);
>
> myLocationManager =
> (LocationManager)getSystemService(Context.LOCATION_SERVICE);
> myLocationListener = new MyLocationListener();
>
> myLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER,
> 1, 1, myLocationListener);
>
> latitude=String.valueOf(myLocationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER).getLatitude());
> longitude =
> String.valueOf(myLocationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER).getLongitude());
>
> btn1= (Button)findViewById(R.id.btn1);
> btn2= (Button)findViewById(R.id.btn2);
> btn3= (Button)findViewById(R.id.btn3);
>
> redbtn.setOnClickListener(new OnClickListener()
> {
>
> �...@override
> public void onClick(View v)
> {
>
> Toast.makeText(getBaseContext(), "Latitude :"
> +
> latitude.toString(), Toast.LENGTH_SHORT).show();
> }
> });
>
> greenBtn.setOnClickListener(new OnClickListener()
> {
>
> �...@override
> public void onClick(View v) {
> // TODO Auto-generated method stub
> Toast.makeText(getBaseContext(), "Longitude:"
> +
> longitude.toString(), Toast.LENGTH_SHORT).show();
> }
> });
>
> cancelBtn.setOnClickListener(new OnClickListener() {
>
> �...@override
> public void onClick(View v)
> {
> // TODO Auto-generated method stub
> Toast.makeText(Home.this, "NO gps",
> Toast.LENGTH_SHORT).show();
>
> }
> });
>
> }
>
> public class MyLocationListener implements LocationListener
> {
> public void onLocationChanged(Location argLocation)
> {
> if(argLocation != null)
> {
> latitude =
> String.valueOf(argLocation.getLatitude());
> longitude =
> String.valueOf(argLocation.getLongitude());
> }
> }
> public void onProviderDisabled(String provider)
> {
> }
> public void onProviderEnabled(String provider)
> {
> }
>
> public void onStatusChanged(String provider, int status,
> Bundle
> arg2)
> {
> }
>
> };
>
> }
>
> Thanks & Warm Regards,
> gold
>
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