Bonsoir,

comme conseillé dans le thread sur les tutos, je post un message car j'ai un problème avec le tutoriel pour récupérer les positions géographiques.

Le code :
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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package noresi.inter;
 
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.view.KeyEvent;
import android.widget.Toast;
 
import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;
import com.google.android.maps.MyLocationOverlay;
 
public class PositionGeo extends MapActivity implements LocationListener
{
 
	private MapView	mapView = null;
	private LocationManager lm = null;
	private double lat	= 0;
	private double lng	= 0;
	private MapController	mc	= null;
	private MyLocationOverlay myLocation = new MyLocationOverlay(getApplicationContext(), mapView);
 
	@Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.positiongeographique);          
        mapView = (MapView) this.findViewById(R.id.mapView);
        mapView.setBuiltInZoomControls(true);
 
        lm = (LocationManager) this.getSystemService(LOCATION_SERVICE);
      	lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 10000, 0, this);
      	lm.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 10000, 0, this);
 
      	mc = mapView.getController();
      	mc.setZoom(12);
	}
 
	@Override
	protected boolean isRouteDisplayed()
	{
		return false;
	}
 
	@Override
	public boolean onKeyDown(int keyCode, KeyEvent event)
	{
		if (keyCode == KeyEvent.KEYCODE_S)
		{
			mapView.setSatellite(!mapView.isSatellite());
			return true;
		}
		return super.onKeyDown(keyCode, event);
	}
 
 
	public void onLocationChanged(Location location)
	{
		lat = location.getLatitude();
		lng = location.getLongitude();
		mapView.getOverlays().add(myLocation);
		myLocation.disableMyLocation();
		Toast.makeText(getBaseContext(),
				"Location change to : Latitude = " + lat + " Longitude = " + lng,
				Toast.LENGTH_SHORT).show();
		GeoPoint p = new GeoPoint((int) (lat * 1E6), (int) (lng * 1E6));
		mc.animateTo(p);
		mc.setCenter(p);
	}
 
 
	public void onProviderDisabled(String provider)
	{
		// TODO Auto-generated method stub
 
	}
 
 
	public void onProviderEnabled(String provider)
	{
		// TODO Auto-generated method stub
 
	}
 
 
	public void onStatusChanged(String provider, int status, Bundle extras)
	{
		// TODO Auto-generated method stub
 
	}
}
mon fichier manifest :
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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="noresi.inter"
    android:versionCode="1"
    android:versionName="1.0" >
 
 <uses-sdk android:minSdkVersion="10" android:targetSdkVersion="10" android:maxSdkVersion="10"/>
 <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.CAMERA" />
 <uses-feature android:name="android.hardware.camera" />
 <uses-feature android:name="android.hardware.camera.autofocus" />
 
    <application
        android:icon="@drawable/cocci_02"
        android:label="@string/app_name" >
        <activity
            android:name=".NoresiActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
 
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
 
        </activity>
 
        <activity android:name=".Ecran_creation"></activity>
        <activity android:name=".Ecran_rechercher"></activity>
        <activity android:name=".Ecran_consulter"></activity>
        <activity android:name=".Ecran_visualiser_base"></activity>
        <activity android:name=".JsonParserMainActivity"></activity>
        <activity android:name=".Ecran_recherche"></activity>
        <activity android:name=".PositionGeo"></activity>
        <uses-library android:name="com.google.android.maps"/>
   </application>
 
</manifest>
et le message d'erreur (mon vieil ami nullPointerException) :


06-07 19:38:41.812: E/AndroidRuntime(625): FATAL EXCEPTION: main
06-07 19:38:41.812: E/AndroidRuntime(625): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{noresi.inter/noresi.inter.PositionGeo}: java.lang.NullPointerException
06-07 19:38:41.812: E/AndroidRuntime(625): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1880)
06-07 19:38:41.812: E/AndroidRuntime(625): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
06-07 19:38:41.812: E/AndroidRuntime(625): at android.app.ActivityThread.access$600(ActivityThread.java:123)
06-07 19:38:41.812: E/AndroidRuntime(625): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
06-07 19:38:41.812: E/AndroidRuntime(625): at android.os.Handler.dispatchMessage(Handler.java:99)
06-07 19:38:41.812: E/AndroidRuntime(625): at android.os.Looper.loop(Looper.java:137)
06-07 19:38:41.812: E/AndroidRuntime(625): at android.app.ActivityThread.main(ActivityThread.java:4424)
06-07 19:38:41.812: E/AndroidRuntime(625): at java.lang.reflect.Method.invokeNative(Native Method)
06-07 19:38:41.812: E/AndroidRuntime(625): at java.lang.reflect.Method.invoke(Method.java:511)
06-07 19:38:41.812: E/AndroidRuntime(625): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
06-07 19:38:41.812: E/AndroidRuntime(625): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
06-07 19:38:41.812: E/AndroidRuntime(625): at dalvik.system.NativeStart.main(Native Method)
06-07 19:38:41.812: E/AndroidRuntime(625): Caused by: java.lang.NullPointerException
06-07 19:38:41.812: E/AndroidRuntime(625): at android.content.ContextWrapper.getApplicationContext(ContextWrapper.java:101)
06-07 19:38:41.812: E/AndroidRuntime(625): at noresi.inter.PositionGeo.<init>(PositionGeo.java:24)
06-07 19:38:41.812: E/AndroidRuntime(625): at java.lang.Class.newInstanceImpl(Native Method)
06-07 19:38:41.812: E/AndroidRuntime(625): at java.lang.Class.newInstance(Class.java:1319)
06-07 19:38:41.812: E/AndroidRuntime(625): at android.app.Instrumentation.newActivity(Instrumentation.java:1023)
06-07 19:38:41.812: E/AndroidRuntime(625): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1871)
06-07 19:38:41.812: E/AndroidRuntime(625): ... 11 more
Normalement, j'ai bien suivi le tutoriel, j'ai récupéré la clef GMap également donc je sèche un peu la.

Désolé d'ouvrir un sujet dès que j'ai un problème :s
J'ai peur d'apprendre que c'est une erreur tout con mais bon.

Merci