Discussion :

[mowegan]

Bonjour à tous.

Je suis actuellement en train de réaliser une application de géo-localisation.
J'ai pour cela suivi le tutoriel android suivant : http://developer.android.com/resourc...o-mapview.html

Je n'ai aucun soucis pour ajouter mes marqueurs sur la carte qui permettent de savoir ou je suis passé mais le soucis arrive lorsque je souhaite clicker sur un marqueurs android qui doit m'afficher une boite de dialogue.
L'erreur se produit à l'appel de la méthode onTap().

J'obtiens l'erreur suivante :

Code :

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11-28 19:05:17.548: E/AndroidRuntime(3412): FATAL EXCEPTION: main
11-28 19:05:17.548: E/AndroidRuntime(3412): android.view.WindowManager$BadTokenException: Unable to add window -- token null is not for an application
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.view.ViewRoot.setView(ViewRoot.java:513)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:177)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.app.Dialog.show(Dialog.java:241)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.app.AlertDialog$Builder.show(AlertDialog.java:802)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at com.mowegan.geoloc.TrackItemizedOverlay.onTap(TrackItemizedOverlay.java:50)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at com.google.android.maps.ItemizedOverlay.onTap(ItemizedOverlay.java:453)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at com.google.android.maps.OverlayBundle.onTap(OverlayBundle.java:83)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at com.google.android.maps.MapView$1.onSingleTapUp(MapView.java:347)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at com.google.android.maps.GestureDetector.onTouchEvent(GestureDetector.java:533)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at com.google.android.maps.MapView.onTouchEvent(MapView.java:647)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.view.View.dispatchTouchEvent(View.java:3765)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:905)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:944)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:944)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:944)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:944)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:944)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:1701)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1116)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.app.Activity.dispatchTouchEvent(Activity.java:2093)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:1685)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.view.ViewRoot.handleMessage(ViewRoot.java:1802)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.os.Handler.dispatchMessage(Handler.java:99)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.os.Looper.loop(Looper.java:144)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at android.app.ActivityThread.main(ActivityThread.java:4937)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at java.lang.reflect.Method.invokeNative(Native Method)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at java.lang.reflect.Method.invoke(Method.java:521)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
11-28 19:05:17.548: E/AndroidRuntime(3412): 	at dalvik.system.NativeStart.main(Native Method)

Je vous joins mes 2 classes qui sont calqué sur le tutoriel android

Code :

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package com.mowegan.geoloc;
 
import java.util.List;
 
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.widget.TextView;
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;
import com.google.android.maps.Overlay;
import com.google.android.maps.OverlayItem;
 
 
public class GeoSportActivity extends MapActivity implements LocationListener{
 
	private MapView mapView;
	private LocationManager lm;
	private MapController mc;
	private MyLocationOverlay myPosition;
 
	TrackItemizedOverlay itemizedOverlay;	// Overlay with the track of the user
 
	private double lat;						// Latitude
	private double lng;						// Longitude
 
	private TextView txtLat;				// Latitude text field
	private TextView txtLng;				// Longitude text field
 
	/** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
 
    	// Set the content of the activity
    	super.onCreate(savedInstanceState);
    	setContentView(R.layout.main);
 
    	// Create field text for latitude and longitude
    	txtLat = (TextView)findViewById(R.id.txtLatitude);
    	txtLng = (TextView)findViewById(R.id.txtLongitude);
 
    	// Get the map view
    	mapView = (MapView)this.findViewById(R.id.mapView);
    	mapView.setBuiltInZoomControls(true);
    	mapView.setSatellite(true);
 
 
    	// Build the location manager
    	lm = (LocationManager)this.getSystemService(Context.LOCATION_SERVICE);
    	lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 10000, 10, this);
    	lm.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 10000, 10, this);
 
 
    	// Build of the map controller
    	mc = mapView.getController();
    	mc.setZoom(12);
 
    	// Build the location overlay
    	myPosition = new MyLocationOverlay(this.getApplicationContext(), mapView);
    	mapView.getOverlays().add(myPosition);
    	myPosition.enableMyLocation();
 
    	// Add a compass to the map
    	myPosition.enableCompass();
 
 
    	// Build the itemized overlay
    	// Create the drawable to insert on the overlay
    	Drawable drawable = this.getResources().getDrawable(R.drawable.androidmarker);
    	this.itemizedOverlay = new TrackItemizedOverlay(drawable, getBaseContext());
 
    }
 
	@Override
	protected boolean isRouteDisplayed() {
		return false;
	}
 
	public void onLocationChanged(Location location) {
 
		// Get new position of the mobile phone
		this.lat = location.getLatitude();
		this.lng = location.getLongitude();
 
		// Set the value of the text field for lat and lng position
		txtLat.setText(Double.toString(this.lat));
		txtLng.setText(Double.toString(this.lng));
		this.addPoint(this.lat, this.lng);
 
		// Create a new point corresponding to the new location
		//GeoPoint point = new GeoPoint((int)(this.lat * 1E6), (int)(this.lng * 1E6));
		//this.mc.animateTo(point);
		//this.mc.setCenter(point);
 
 
		Toast.makeText(getBaseContext(),"Latitude = " + lat + " Longitude = " + lng, Toast.LENGTH_SHORT).show();
 
	}
 
	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
 
	}
 
	public void addPoint(double lat, double lng){
 
		// Get all the overlays of the map view
    	List<Overlay> mapOverlays = mapView.getOverlays();
 
    	// Create a new point
    	GeoPoint point = new GeoPoint((int)(lat * 1E6), (int)(lng * 1E6));
 
    	// Create a new new item
    	OverlayItem overlayItem = new OverlayItem(point, "Test", "Test des marqueurs");
 
    	// Add item to the overlay
    	this.itemizedOverlay.addTrackItem(overlayItem);
 
    	// Add the overlay on the other overlay
    	mapOverlays.add(itemizedOverlay);
	}
}

Code :

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package com.mowegan.geoloc;
 
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 TrackItemizedOverlay extends ItemizedOverlay<OverlayItem> {
 
	private ArrayList<OverlayItem> trackItems;	// List of items
	private Context context;					// Reference to the context activity
 
 
	// Constructor with drawable
	public TrackItemizedOverlay(Drawable defaultMarker) {
		super(boundCenterBottom(defaultMarker));
		this.trackItems = new ArrayList<OverlayItem>();
	}
 
	// Constructor with drawable and activity sequence
	public TrackItemizedOverlay(Drawable defaultMarker, Context context){
		super(boundCenterBottom(defaultMarker));
		this.trackItems = new ArrayList<OverlayItem>();
		this.context = context;
	}
 
	@Override
	protected OverlayItem createItem(int i) {
		return trackItems.get(i);
	}
 
	@Override
	public int size() {
		return trackItems.size();
	}
 
	@Override
	protected boolean onTap(int index) {
 
		OverlayItem item = this.trackItems.get(index);
 
		AlertDialog.Builder dialog = new AlertDialog.Builder(this.context);
		dialog.setTitle(item.getTitle());
		dialog.setMessage(item.getSnippet());
		dialog.show();
 
		return true;
	}
 
	public void addTrackItem(OverlayItem item){
		trackItems.add(item);
		populate();
	}
}

Cela fait maintenant un bon moment que je cherches sur les différents forum mais je ne trouve toujours pas la solution.

Je m'adresse donc à vous.

Je vous remercie d'avance pour votre aide précieuse.