在google maps android上按地址搜索时强制关闭

Question

我在Google Maps for Android上制作了一个关于按地址搜索的项目。 当我运行它时，它总是显示强制关闭通知。

这是logcat上的错误：原因：java.lang.ClassNotFoundException：loader dalvic.system.PathClassLoader中的com.ind.findaddress [data / app / com.ind-2.apk]

这是findaddress的代码

public class findadrress extends com.google.android.maps.MapActivity {
private Button btnSearch;
private EditText adress;
private Geocoder gc;
public double lat;
public double lon;
private MapView myMap;
MapController controller;
GeoPoint p;
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.form_lokasi);

    myMap = (MapView) findViewById(R.id.simpleGM_map); 
    btnSearch = (Button) findViewById(R.id.cariLokasiManual);
    adress = (EditText) findViewById(R.id.simpleGM_adress);
    gc = new Geocoder(this, Locale.getDefault());

    btnSearch.setOnClickListener(new OnClickListener()
    {
        public void onClick(View v) 
        {
            List<Address> addresses;
            try {
                addresses = gc.getFromLocationName(adress.getText().toString(),5);
                if(addresses.size() > 0)
                {
                     p = new GeoPoint( (int) (addresses.get(0).getLatitude() * 1E6), 
                                      (int) (addresses.get(0).getLongitude() * 1E6));

                      controller.animateTo(p);
                       controller.setZoom(12);

                     MapOverlay mapOverlay = new MapOverlay();
                     List<Overlay> listOfOverlays = myMap.getOverlays();
                     listOfOverlays.clear();
                     listOfOverlays.add(mapOverlay);

                       myMap.invalidate();
                       adress.setText("");
                }
                else
                {
                        AlertDialog.Builder adb = new AlertDialog.Builder(findaddress.this);
                        adb.setTitle("Google Map");
                        adb.setMessage("Please Provide the Proper Place");
                        adb.setPositiveButton("Close",null);
                        adb.show();
                }

            } 

            catch (IOException e) 
            {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }


        }
        class MapOverlay extends com.google.android.maps.Overlay
        {
            public boolean draw(Canvas canvas, MapView mapView, 
            boolean shadow, long when) 
            {
                super.draw(canvas, mapView, shadow);                   

                //---translate the GeoPoint to screen pixels---
                Point screenPts = new Point();
                mapView.getProjection().toPixels(p, screenPts);

                //---add the marker---
                Bitmap bmp = BitmapFactory.decodeResource(
                    getResources(), R.drawable.marker);            
                canvas.drawBitmap(bmp, screenPts.x, screenPts.y-32, null);         
                return true;
            }}
        } );

};


@Override
protected boolean isRouteDisplayed() {
    // TODO Auto-generated method stub
    return false;
}

}