Try getting the location through a location update. (Use
requestLocationUpdate() or requestSingleUpdate() instead.) Asking for
the last known location won't necessarily tell you anything. This
might be your issue.
kris
On Sun, Jan 29, 2012 at 12:14 PM, ajay talreja <ajayt...@gmail.com> wrote:
> @kris : Sorry.....
> I'll start again.....
>
> I have problem with my GPS location application........my application
> is not able to retrieve latitude and longitude... I'm providing the
> code for your reference.....the below application is launching
> successfully on emulator but unable to retrieve the values into Text
> View.........I have tried passing values from Emulator Control and
> through command line via TELNET....then with Geo-points....please go
> through the code......and tell me where i have gone wrong.......
>
>
> Files are as follows........
>
> 1) gps.java
>
> package d.gps;
>
> import android.app.Activity;
> import android.os.Bundle;
> import android.content.Context;
> import android.location.Location;
> import android.location.LocationManager;
> import android.widget.TextView;
>
> public class gps extends Activity {
> /** Called when the activity is first created. */
> @Override
> public void onCreate(Bundle savedInstanceState) {
> super.onCreate(savedInstanceState);
> setContentView(R.layout.main);
> LocationManager locationManager;
> locationManager =
> (LocationManager)getSystemService(Context.LOCATION_SERVICE);
> Location location =
> locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
>
> updateWithNewLocation(location);
> }
> /** Update UI with a new location */
> private void updateWithNewLocation(Location location) {
> TextView myLocationText =
> (TextView)findViewById(R.id.myLocationText);
>
> String latLongString;
>
> if (location != null) {
> double lat = location.getLatitude();
> double lng = location.getLongitude();
> latLongString = "Lat:" + lat + "\nLong:" + lng;
> } else {
> latLongString = "No location found";
> }
>
> myLocationText.setText("Your Current Position is:\n" +
> latLongString);
> }
>
> }
>
> 2) main.xml
> <?xml version="1.0" encoding="utf-8"?>
> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/
> android"
> android:orientation="vertical"
> android:layout_width="fill_parent"
> android:layout_height="fill_parent"
> >
> <TextView
> android:id="@+id/myLocationText"
> android:layout_width="fill_parent"
> android:layout_height="wrap_content"
> android:text="@string/hello"
> />
> </LinearLayout>
>
> 3)String.xml
>
> <?xml version="1.0" encoding="utf-8"?>
> <resources>
> <string name="hello">Hello World, gps!</string>
> <string name="app_name">gps</string>
> </resources>
>
> 4) androidmanifest.xml
>
> <?xml version="1.0" encoding="utf-8"?>
> <manifest xmlns:android="http://schemas.android.com/apk/res/android";
> package="d.gps"
> android:versionCode="1"
> android:versionName="1.0">
> <application android:icon="@drawable/icon" android:label="@string/
> app_name">
> <activity android:name=".gps"
> android:label="@string/app_name">
> <intent-filter>
> <action android:name="android.intent.action.MAIN" />
> <category
> android:name="android.intent.category.LAUNCHER" />
> </intent-filter>
> </activity>
>
> </application>
> <uses-sdk android:minSdkVersion="9" />
> <uses-permission android:name="android.permission.INTERNET"></uses-
> permission><uses-permission
> android:name="android.permission.ACCESS_FINE_LOCATION"/>
>
> </manifest>
>
> thanks.........
>
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