[java]代码库package yu.hong.map;

import com.baidu.mapapi.BMapManager;

import com.baidu.mapapi.GeoPoint;

import com.baidu.mapapi.LocationListener;

import com.baidu.mapapi.MKGeneralListener;

import com.baidu.mapapi.MKLocationManager;

import com.baidu.mapapi.MapActivity;

import com.baidu.mapapi.MapController;

import com.baidu.mapapi.MapView;

import com.baidu.mapapi.MyLocationOverlay;

import android.location.Location;

import android.os.Bundle;

import android.view.KeyEvent;

import android.view.Menu;

import android.view.MenuItem;

import android.widget.Toast;

public class MainActivity extends MapActivity {

// 初始为于勉庄

private double userLongitude = 33.49087222349736 * 1E6;// 纬度

private double userLatitude = 115.27130064453128 * 1E6;// 经度

// 添加百度相关控件

private MapView mapView;

private BMapManager bMapManager;// 加载地图的引擎

// 百度地图上的key值

private String keyString = "01331AFA954E7E300428A5F0C9C829E0E16F87A3";

// 在百度地图上添加一些控件，例如放大、缩小

private MapController mapController;

private MKLocationManager mLocationManager;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

// 实例化控件

mapView = (MapView) this.findViewById(R.id.bmapView);

bMapManager = new BMapManager(MainActivity.this);

// 必须要加载key

bMapManager.init(keyString, new MKGeneralListener() {

// key值不正确

@Override

public void onGetPermissionState(int arg0) {

if (arg0 == 300) {

Toast.makeText(MainActivity.this, R.string.key_error,

Toast.LENGTH_LONG).show();

}

}

//网络出错

@Override

public void onGetNetworkState(int arg0) {

Toast.makeText(MainActivity.this, R.string.net_error,

Toast.LENGTH_LONG).show();

}

});

this.initMapActivity(bMapManager);

mapView.setBuiltInZoomControls(true);// 表示可以设置缩放功能

mapController = mapView.getController();

// 初始化Location模块

mLocationManager = bMapManager.getLocationManager();

// 通过enableProvider和disableProvider方法，选择定位的Provider

mLocationManager.enableProvider(MKLocationManager.MK_NETWORK_PROVIDER);

mLocationManager.disableProvider(MKLocationManager.MK_GPS_PROVIDER);

//返回手机位置

mLocationManager.requestLocationUpdates(locationListener);

mLocationManager.setNotifyInternal(5, 2);

// 添加定位图层

MyLocationOverlay myLocationOverlay = new MyLocationOverlay(this,

mapView);

myLocationOverlay.enableMyLocation(); // 启用定位

myLocationOverlay.enableCompass(); // 启用指南针

mapView.getOverlays().add(myLocationOverlay);

mapView.setTraffic(true);// 交通地图

// mapView.setSatellite(true);// 卫星地图

mapController.setZoom(15);// 设置缩放级别

mapView.invalidate();// 刷新地图

}

//获取经度纬度

private LocationListener locationListener = new LocationListener() {

@Override

public void onLocationChanged(Location location) {

if (location != null) {

userLatitude = location.getLatitude() * 1E6;

userLongitude = location.getLongitude() * 1E6;

GeoPoint mypoint = new GeoPoint((int)(userLatitude), (int)(userLongitude));

mapView.getController().animateTo(mypoint);

}

}

};

// 销毁

@Override

protected void onDestroy() {

super.onDestroy();

if (bMapManager != null) {

bMapManager.destroy();

bMapManager = null;

}

}

// 停止

@Override

protected void onPause() {

super.onPause();

if (bMapManager != null) {

mLocationManager.removeUpdates(locationListener);

bMapManager.stop();

}

}

// 重启

@Override

protected void onResume() {

super.onResume();

if (bMapManager != null) {

bMapManager.start();

}

}

//

@Override

protected boolean isRouteDisplayed() {

return false;

}

// Menu

// 当点击Menu按钮时，调用该方法

@Override

public boolean onCreateOptionsMenu(Menu menu) {

menu.add(0, 1, 1, R.string.exit).setIcon(

android.R.drawable.ic_menu_close_clear_cancel);

return super.onCreateOptionsMenu(menu);

}

@Override

public boolean onContextItemSelected(MenuItem item) { // 选中某个菜单项

if (item.getItemId() == 1) {

MainActivity.this.finish();

}

return super.onOptionsItemSelected(item);

}

// 返回