Apps Google Maps, GSP, Application stops unexpectedly

[timurinamanu]

Hallo!
I am a student and i wrote a program that reads ands shows the gps position at google maps.

Yesterday it was working, then changed the code a little and then the problems began. I always get the error:The application GPS(process gps.tracker) has stopped unexpectedly. Please try again.

I tried to debug but the application crashes before even coming to the activity ....
pls someone help

My Code:
HalloItemizedOverlay.java

package gps.tracker;

import java.util.ArrayList;

import android.app.AlertDialog;
import android.content.Context;
import android.graphics.drawable.Drawable;

import com.google.android.maps.ItemizedOverlay;
import com.google.android.maps.OverlayItem;

public class HelloItemizedOverlay extends ItemizedOverlay<OverlayItem> {
    private ArrayList<OverlayItem> mOverlays = new ArrayList<OverlayItem>();
    Context mContext;
    public HelloItemizedOverlay(Drawable defaultMarker) {
          super(boundCenterBottom(defaultMarker));
        }
    public void addOverlay(OverlayItem overlay) {
        mOverlays.add(overlay);
        populate();
    }
    @Override
    protected OverlayItem createItem(int i) {
      return mOverlays.get(i);
    }
    @Override
    public int size() {
      return mOverlays.size();
    }
    public HelloItemizedOverlay(Drawable defaultMarker, Context context) {
          super(defaultMarker);
          mContext = context;
    }
    @Override
    protected boolean onTap(int index) {
      OverlayItem item = mOverlays.get(index);
      AlertDialog.Builder dialog = new AlertDialog.Builder(mContext);
      dialog.setTitle(item.getTitle());
      dialog.setMessage(item.getSnippet());
      dialog.show();
      return true;
    }
}

GPSTracker.java

package gps.tracker;


import java.util.List;
import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapView;
import com.google.android.maps.Overlay;
import com.google.android.maps.OverlayItem;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;

public class GPSTracker extends MapActivity implements LocationListener {
         private LocationManager lm;
        TextView tv;
        HelloItemizedOverlay itemizedoverlay;
        private MapView mapView;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
        lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1l,1l, this);
        mapView = (MapView) findViewById(R.id.mapview);
        mapView.setBuiltInZoomControls(true);
        List<Overlay> mapOverlays = mapView.getOverlays();
        Drawable drawable = this.getResources().getDrawable(R.drawable.icon);
        itemizedoverlay = new HelloItemizedOverlay(drawable);

        GeoPoint point = new GeoPoint(35410000, 139460000);
        OverlayItem overlayitem = new OverlayItem(point, "Hola, Mundo!", "I'm in Mexico City!");
        itemizedoverlay.addOverlay(overlayitem);
        mapOverlays.add(itemizedoverlay);
        
    }
    public void onLocationChanged(Location arg0) {
        double lat = arg0.getLatitude();
        double lon = arg0.getLongitude();
        //Log.e("GPS", "location changed: lat="+lat+", lon="+lon);
        //TextView tv = new TextView(this);
        //tv.setText(tv.getText()+"\nlocation changed: lat="+lat+", lon="+lon);
        //setContentView(tv);
        mapView = (MapView) findViewById(R.id.mapview);
        
        mapView.setBuiltInZoomControls(true);
        List<Overlay> mapOverlays = mapView.getOverlays();
        Drawable drawable = this.getResources().getDrawable(R.drawable.icon);
        itemizedoverlay = new HelloItemizedOverlay(drawable);

        GeoPoint point = new GeoPoint(35410000, 139460000);
        OverlayItem overlayitem = new OverlayItem(new GeoPoint((int)lat,(int)lon),"es funkt","juhu");
        itemizedoverlay.addOverlay(overlayitem);
        mapOverlays.add(itemizedoverlay);
    }
    public void onProviderDisabled(String arg0) {
            Log.e("GPS", "provider disabled " + arg0);
            //tv = new TextView(this);
            //tv.setText(tv.getText()+"\nprovider disabled " + arg0);
            //setContentView(tv);
    }
    public void  onStatusChanged(String arg0, int arg1, Bundle arg2) {
        //Log.e("GPS", "status changed to " + arg0 + " [" + arg1 + "]");
        //tv = new TextView(this);
        //tv.setText(tv.getText()+"\nstatus changed to " + arg0 + " [" + arg1 + "]");
        //setContentView(tv);
        //OverlayItem overlayitem = new OverlayItem(new Point(arg0.get), "Hola, Mundo!", "I'm in Mexico City!");
    }
    public void onProviderEnabled(String arg0) {
            Log.e("GPS", "provider enabled " + arg0);
            //tv = new TextView(this);
            tv.setText(tv.getText()+"\nprovider enabled " + arg0);
            //setContentView(tv);
    }
    protected boolean isRouteDisplayed() {
        // TODO Auto-generated method stub
        return false;
    }
}

Android Manifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="gps.tracker"
      android:versionCode="1"
      android:versionName="1.0">
    <application android:icon="@drawable/icon" android:label="@string/app_name">
        <activity android:name=".GPSTracker"
                  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="7" />
    <uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION">
</uses-permission>
<uses-permission android:name="android.permission.ACCESS_LOCATION_EXTRA_COMMANDS">
</uses-permission>
<uses-permission android:name="android.permission.ACCESS_MOCK_LOCATION">
</uses-permission>
<uses-permission android:name="android.permission.CONTROL_LOCATION_UPDATES">
</uses-permission>
<uses-permission android:name="android.permission.INTERNET">
</uses-permission>
</manifest>

layout/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:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="@string/hello"
    />
<com.google.android.maps.MapView     xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/mapview"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:clickable="true"    android:apiKey="XXX0mOKTuceGn88c3erWXXXXXXXXXX"/>
</LinearLayout>

note: the api Key is little changed.

 

[timurinamanu]

Problem solved!!!

had to add
</activity>
<uses-library android:name="com.google.android.maps" />
after </activity>