android 谷歌地图应用

package androidpk.pk; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import com.google.android.maps.GeoPoint; import com.google.android.maps.MapActivity; import com.google.android.maps.MapController; import com.google.android.maps.MapView; public class Main extends MapActivity implements OnClickListener { private MapView mapView; private Button zoomiIn; private Button zoomOut; private Button sat; private Button street; private Button traffic; private Button normal; private GeoPoint geoPoint_1; private MapController mapController; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mapView=(MapView)findViewById(R.id.MapGooogle_view); mapController=mapView.getController(); geoPoint_1=new GeoPoint((int)(39.90923*1E6),(int)(116.397428*1E6)); mapController.setCenter(geoPoint_1); mapController.setZoom(12);//数字越大地图越细地域越小 mapView.setBuiltInZoomControls(true);//设置内置放大缩小组件 zoomiIn=(Button)findViewById(R.id.zoomin); zoomiIn.setOnClickListener(this); zoomOut=(Button)findViewById(R.id.zoomout); zoomOut.setOnClickListener(this); sat=(Button)findViewById(R.id.sat); sat.setOnClickListener(this); street=(Button)findViewById(R.id.street); street.setOnClickListener(this); traffic=(Button)findViewById(R.id.traffic); traffic.setOnClickListener(this); normal=(Button)findViewById(R.id.normal); normal.setOnClickListener(this); } @SuppressWarnings("deprecation") public void onClick(View target){ switch(target.getId()){ case R.id.zoomin: mapView.getController().zoomIn();//实现一级缩放，放大 break; case R.id.zoomout: mapView.getController().zoomOut(); break; case R.id.sat: mapView.setSatellite(true);//显示地图的的航空照片 break; case R.id.street: mapView.setStreetView(true); //显示地图上的交通信息彩色线表示实时交通状况与静止的交通图不同仅支持有限的主干线 break; case R.id.traffic: mapView.setTraffic(true); //交通模式显示地图上的交通信息，使用色彩线表示实时的交通状况，与静止的交通图不同，交通模式仅支持有限的主干线。 break; case R.id.normal: mapView.setSatellite(false); mapView.setStreetView(false); mapView.setTraffic(false); break; } } @Override protected boolean isLocationDisplayed() { // TODO Auto-generated method stub return false; } @Override protected boolean isRouteDisplayed() { // TODO Auto-generated method stub return false; } }