MyMapView.java :  » App » gsmtester » cn » edu » tsinghua » hpc » gsmtest » Android Open Source

package cn.edu.tsinghua.hpc.gsmtest;

import java.util.List;

import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.AdapterView.OnItemSelectedListener;

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.Overlay;
import com.google.android.maps.OverlayItem;

public class MyMapView extends MapActivity {
  private static final String TAG = "MapActivity";
  private Spinner spinner;
  private MapView mMapView;
  private MapController mc;
  List<Overlay> mMapOverlays;
  MyItemizedOverlay mItemizedoverlay;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.map_view);
    // initSpinner();
    initMap();

  }

  @Override
  protected void onResume() {
    super.onResume();
    if (this.getIntent().getExtras().containsKey("lat")
        && this.getIntent().getExtras().containsKey("lon")) {

      int latE6 = (int) (this.getIntent().getExtras().getDouble("lat") * 1E6);
      int lonE6 = (int) (this.getIntent().getExtras().getDouble("lon") * 1E6);
      Log.d(TAG, latE6 + " " + lonE6);
      setMark(latE6, lonE6);
    }
  }

  private void initMap() {
    mMapView = (MapView) findViewById(R.id.map);
    mMapView.setBuiltInZoomControls(true);
    mMapView.setSatellite(false);
    mMapView.setTraffic(false);
    mMapOverlays = mMapView.getOverlays();
    Drawable drawable = this.getResources().getDrawable(R.drawable.pin);
    mItemizedoverlay = new MyItemizedOverlay(drawable, mMapView);
    mc = mMapView.getController();
    mc.setZoom(20);

    spinner = (Spinner) this.findViewById(R.id.spinner1);
    ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
        android.R.layout.simple_spinner_dropdown_item);

    adapter.add(getString(R.string.map));
    adapter.add(getString(R.string.satellite));

    adapter
        .setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    spinner.setAdapter(adapter);
    spinner.setOnItemSelectedListener(selectListener);
  }

  private OnItemSelectedListener selectListener = new OnItemSelectedListener() {
    public void onItemSelected(AdapterView parent, View v, int position,
        long id) {
      if (((String) parent.getItemAtPosition(position))
          .equals(getString(R.string.map))) {
        mMapView.setSatellite(false);
      } else {
        mMapView.setSatellite(true);
      }
    }

    public void onNothingSelected(AdapterView arg0) {
    }
  };

  private void setMark(int lat, int lon) {
    GeoPoint point = new GeoPoint(lat, lon);
    OverlayItem overlayitem = new OverlayItem(point, "Hi!", "Say something");
    mItemizedoverlay.addOverlay(overlayitem);
    mMapOverlays.add(mItemizedoverlay);
    mc.animateTo(point);
  }

  @Override
  protected boolean isRouteDisplayed() {
    return false;
  }
}