我想返回我在地图上触摸的任何点的地理位置,但我的代码在移动/点击屏幕时没有任何反应。我对Java和Android都很陌生,所以我认为这与我缺乏Java编程知识有关。下面是我的代码:
package sdpd.loc;
import sdpd.loc.createNote.mapOverlay;
import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapView;
import android.os.Bundle;
import android.view.MotionEvent;
import android.widget.Toast;
import android.app.Activity;
public class createNote extends MapActivity {
@Override
protected boolean isRouteDisplayed() {
return false;
}
@Override
public void onCreate(Bundle savedInstanceStates){
super.onCreate(savedInstanceStates);
setContentView(R.layout.map);
MapView mapview=(MapView)findViewById(R.id.MapView);
mapview.setBuiltInZoomControls(true);
}
class mapOverlay extends com.google.android.maps.Overlay{
@Override
public boolean onTouchEvent(MotionEvent event, MapView mapview){
if (event.getAction()==1){
GeoPoint p=mapview.getProjection().fromPixels((int)event.getX(), (int)event.getY());
Toast.makeText(getBaseContext(),p.getLatitudeE6()/1E6 + "," + p.getLongitudeE6()/1E6, Toast.LENGTH_SHORT).show();
}
return false;
}
}
我该如何使它工作?