I wrote a sample which jpeg image is displaying when you click the overlay.
I think that maybe could be helpful as a reference.
(MapViewTouchSample.java)
package com.ma.chupic.chu.com.beta.activity;
import java.util.ArrayList;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;
import com.google.android.maps.GeoPoint;
import com.google.android.maps.ItemizedOverlay;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapView;
import com.google.android.maps.Overlay;
import com.google.android.maps.OverlayItem;
public class MapViewTouchSample extends MapActivity {
private Drawable touchedLocationIcon;
private TouchedItemizedOverlay touchedItemizedOverlay;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
touchedLocationIcon = getResources().getDrawable(R.drawable.icon);
touchedItemizedOverlay = new
TouchedItemizedOverlay(touchedLocationIcon, this);
((MapView) findViewById(R.id.MapView)).getOverlays().add(new Overlay() {
@Override
public boolean onTap(GeoPoint p, MapView mapView) {
Log.v(this.getClass().getName(), "Overlay.onTap start.");
super.onTap(p, mapView);
String locationPoint = new StringBuilder()
.append("latitude: ")
.append(p.getLatitudeE6())
.append(", longitude:")
.append(p.getLongitudeE6())
.toString();
OverlayItem overlayItem = new OverlayItem(p, locationPoint, "");
touchedItemizedOverlay.clearOverlay();
touchedItemizedOverlay.addOverlay(overlayItem);
mapView.getController().animateTo(p);
mapView.getOverlays().add(touchedItemizedOverlay);
mapView.invalidate();
return true;
}
});
}
@Override
protected boolean isRouteDisplayed() {
return false;
}
}
class TouchedItemizedOverlay extends ItemizedOverlay {
private ArrayList overlays = new ArrayList();
Context context;
public TouchedItemizedOverlay(Drawable defaultMarker, Context context) {
super(boundCenterBottom(defaultMarker));
this.context = context;
}
@Override
protected boolean onTap(int index) {
super.onTap(index);
String title = getItem(index).getTitle();
Toast.makeText(context, title, 3).show();
return true;
}
@Override
protected OverlayItem createItem(int i) {
return overlays.get(i);
}
@Override
public int size() {
return overlays.size();
}
void addOverlay(OverlayItem overlay) {
overlays.add(overlay);
populate();
}
void clearOverlay() {
overlays.clear();
populate();
}
}
--
Regards
Twitter: @machupicchubeta
On Sun, Nov 21, 2010 at 12:41, devian yudha wrote:
> yeah i think SDK doesn't provide us to that functionality, so you must
> included other things like .XML which give us a layout resource, etc.
>
> On 11/21/10, Frank Weiss wrote:
>> The Android SDK doesn't provide this functionality ready-to-go, but it can
>> be easily implemented with a custom view class that extends FrameLayout, a
>> controller class, a nine-patch image, and a layout resource (XML). You ought
>> to be able to google for several solutions. Try the keyords mapview and
>> balloon.
>>
>> IMO implementing it yourself is a valuable exercise that adds to your
>> understanding of the Android SDK.
>>
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