百度地图的使用（3）

百度地图的使用（1）地址：http://blog.csdn.net/daidaishuiping/article/details/69844681

百度地图的使用（2）地址：http://blog.csdn.net/daidaishuiping/article/details/69845041

百度地图的使用（3）地址：http://blog.csdn.net/daidaishuiping/article/details/69845265

百度地图的使用（4）地址：http://blog.csdn.net/daidaishuiping/article/details/69938861

源码地址：http://download.csdn.net/detail/daidaishuiping/9808471

百度地图覆盖物使用步骤（在百度地图使用1和百度地图使用2基础上）：

1、初始化覆盖物initMarker()

2、添加覆盖物 addOverlays(Info.infoList);

3、为覆盖物添加点击事件clickMarker();

4、设置InfoWindowStyle样式setInfoWindowStyle(marker, info);

5、点击地图移除覆盖物clickBaiDuMap();

代码：

public class MainActivity extends AppCompatActivity {

private MapView mapView;

private BaiduMap baiduMap;

private Context context;

// 定位相关

private LocationClient locationClient;

private MyBDLocationListener listener;

private boolean isFirstIn = true;// 第一次定位

private BitmapDescriptor mIconLocation;// 自定义图片

private MyOrientationListener myOrientationListener;// 传感器监听

private float mCurrentX;// 记录当期位置

// 覆盖物相关

private BitmapDescriptor mMarker;//覆盖物图标

private RelativeLayout mMarkerLy;// 覆盖物布局

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

this.context = this;

initView();

// 初始化定位

initLocation();

// 初始化覆盖物

initMarker();

}

/**

* 初始化地图

*/

private void initView() {

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

baiduMap = mapView.getMap();

// 缩放比例

MapStatusUpdate msu = MapStatusUpdateFactory.zoomTo(15.0f);

baiduMap.setMapStatus(msu);

}

/**

* 设置定位相关的信息

*/

private void initLocation() {

locationClient = new LocationClient(this);

listener = new MyBDLocationListener();

locationClient.registerLocationListener(listener);

LocationClientOption option = new LocationClientOption();

option.setCoorType("bd09ll");// 设置坐标类型

option.setIsNeedAddress(true);// 返回当前位置

option.setOpenGps(true);// 打开GPS

option.setScanSpan(1000); // 设置每隔多少秒进行一次请求

locationClient.setLocOption(option);

// 初始化图标

mIconLocation = BitmapDescriptorFactory.fromResource(R.drawable.icon_gps_location);

// 初始化传感器

myOrientationListener = new MyOrientationListener(context);

// 接口回调

myOrientationListener.setOnOrientationListener(new MyOrientationListener.OnOrientationListener() {

@Override

public void onOrientationChanged(float x) {

mCurrentX = x;

}

});

}

@Override

protected void onResume() {

super.onResume();

//在activity执行onResume时执行mMapView. onResume ()，实现地图生命周期管理

mapView.onResume();

}

@Override

protected void onStart() {

super.onStart();

// 启动时，默认开启定位

baiduMap.setMyLocationEnabled(true);

if (!locationClient.isStarted()) {

locationClient.start();

// 开启方向传感器

myOrientationListener.start();

}

}

@Override

protected void onPause() {

super.onPause();

//在activity执行onPause时执行mMapView. onPause ()，实现地图生命周期管理

mapView.onPause();

}

@Override

protected void onStop() {

super.onStop();

// 关闭定位

baiduMap.setMyLocationEnabled(false);

locationClient.stop();

// 停止方向传感器

myOrientationListener.stop();

}

@Override

protected void onDestroy() {

super.onDestroy();

//在activity执行onDestroy时执行mMapView.onDestroy()，实现地图生命周期管理

mapView.onDestroy();

}

/**

* 实现BDLocationListener接口

*/

private class MyBDLocationListener implements BDLocationListener {

@Override

public void onReceiveLocation(BDLocation location) {

MyLocationData data = new MyLocationData.Builder()

.direction(mCurrentX)//设置方向

.accuracy(location.getRadius())//获取定位精准度

.longitude(location.getLongitude())//获取经度信息

.latitude(location.getLatitude())//获取纬度信息

.build();

baiduMap.setMyLocationData(data);

// 设置自定义图标

MyLocationConfiguration configuration = new MyLocationConfiguration(

MyLocationConfiguration.LocationMode.NORMAL, true, mIconLocation);

baiduMap.setMyLocationConfiguration(configuration);

if (isFirstIn) {

isFirstIn = false;

// 设置精度location.getLatitude()和纬度location.getLongitude()

LatLng latLng = new LatLng(location.getLatitude(),

location.getLongitude());

MapStatusUpdate msu = MapStatusUpdateFactory.newLatLng(latLng);

baiduMap.animateMapStatus(msu);// 地图的位置使用动画的效果传过去

//location.getAddrStr()//获取地址信息

Toast.makeText(context, location.getAddrStr(), Toast.LENGTH_SHORT).show();

}

}

@Override

public void onConnectHotSpotMessage(String s, int i) {

Log.e("info", "s=" + s + ",i=" + i);

}

}

/**

* 初始化覆盖物

*/

private void initMarker() {

mMarker = BitmapDescriptorFactory.fromResource(R.drawable.maker);

mMarkerLy = (RelativeLayout) findViewById(R.id.id_maker_ly);

// 对Marker的点击

clickMarker();

//点击地图

clickBaiDuMap();

}

/**

* 点击覆盖物

*/

private void clickMarker() {

baiduMap.setOnMarkerClickListener(new BaiduMap.OnMarkerClickListener() {

@Override

public boolean onMarkerClick(Marker marker) {

// 获得marker中的数据

Bundle extraInfo = marker.getExtraInfo();

Info info = (Info) extraInfo.getSerializable("info");

ImageView iv = (ImageView) mMarkerLy.findViewById(R.id.id_info_img);

TextView distance = (TextView) mMarkerLy.findViewById(R.id.id_info_distance);

TextView name = (TextView) mMarkerLy.findViewById(R.id.id_info_name);

TextView zan = (TextView) mMarkerLy.findViewById(R.id.id_info_zan);

iv.setImageResource(info.getImgId());

distance.setText(info.getDistance());

name.setText(info.getName());

zan.setText("" + info.getZan());

// 设置详细信息布局为可见

mMarkerLy.setVisibility(View.VISIBLE);

//设置InfoWindowStyle样式

setInfoWindowStyle(marker, info);

return true;

}

});

}

/**

* 设置InfoWindow显示样式

*

* @param marker

* @param info

*/

private void setInfoWindowStyle(Marker marker, Info info) {

// 生成一个TextView用户在地图中显示InfoWindow

TextView tv = new TextView(context);

tv.setBackgroundResource(R.drawable.location_tips);

tv.setPadding(30, 10, 30, 50);

tv.setText(info.getName());

tv.setGravity(Gravity.CENTER);

tv.setTextColor(Color.parseColor("#ffffff"));

// 将marker所在的经纬度的信息转化成屏幕上的坐标

final LatLng latLng = marker.getPosition();

Point p = baiduMap.getProjection().toScreenLocation(latLng);

p.x -= 7;

p.y -= 47;

LatLng ll = baiduMap.getProjection().fromScreenLocation(p);

// TextView 变成 View 图片

BitmapDescriptor descriptor = BitmapDescriptorFactory

.fromView(tv);

// 为弹出的InfoWindow添加点击事件

InfoWindow infoWindow = new InfoWindow(descriptor, ll, 0,

new InfoWindow.OnInfoWindowClickListener() {

@Override

public void onInfoWindowClick() {

baiduMap.hideInfoWindow();

}

});

// 显示InfoWindow

baiduMap.showInfoWindow(infoWindow);

}

/**

* 点击地图

*/

private void clickBaiDuMap() {

baiduMap.setOnMapClickListener(new BaiduMap.OnMapClickListener() {

@Override

public void onMapClick(LatLng latLng) {

mMarkerLy.setVisibility(View.GONE);//隐藏覆盖物布局

baiduMap.hideInfoWindow();//隐藏InfoWindow

}

@Override

public boolean onMapPoiClick(MapPoi mapPoi) {

return false;

}

});

}

/**

* 添加覆盖物

*/

private void addOverlays(List<Info> infoList) {

baiduMap.clear();// 清除地图上的图层

LatLng latLng = null;// 经纬度对象

OverlayOptions options;

for (Info info : infoList) {

// 经纬度

latLng = new LatLng(info.getLatitude(), info.getLongitude());

// 添加覆盖物图标

options = new MarkerOptions().position(latLng).icon(mMarker).zIndex(5);

Marker marker = (Marker) baiduMap.addOverlay(options);

//把覆盖物与所对应的数据源

Bundle bundle = new Bundle();

bundle.putSerializable("info", info);

marker.setExtraInfo(bundle);

}

// 把地图移动到最后一个maker的地址

MapStatusUpdate msu = MapStatusUpdateFactory.newLatLng(latLng);

baiduMap.setMapStatus(msu);

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

getMenuInflater().inflate(R.menu.main, menu);

return true;

}

@Override

public boolean onOptionsItemSelected(MenuItem item) {

switch (item.getItemId()) {

case R.id.id_add_overlay:

addOverlays(Info.infoList);

break;

}

return super.onOptionsItemSelected(item);

}

}

实体Info

public class Info implements Serializable {

private static final long serialVersionUID = -1010711775392052966L;

private double latitude;// 精度

private double longitude;// 纬度

private int imgId;// 图片id

private String name;// 商家名称

private String distance;// 距离

private int zan;// 点赞数量

public static List<Info> infoList = new ArrayList<>();// 演示的图片，真真的项目一般是url

// 这些数据在真真的项目都是从服务器获取

static {

infoList.add(new Info(34.242652, 108.971171, R.drawable.a01, "英伦贵族小旅馆",

"距离209米", 1456));

infoList.add(new Info(34.242952, 108.972171, R.drawable.a02, "沙井国际洗浴会所",

"距离897米", 456));

infoList.add(new Info(34.242852, 108.973171, R.drawable.a03, "五环服装城",

"距离249米", 1456));

infoList.add(new Info(34.242152, 108.971971, R.drawable.a04, "老米家泡馍小炒",

"距离679米", 1456));

}

/**

* 构造方法

*/

public Info(double latitude, double longitude, int imgId, String name,

String distance, int zan) {

this.latitude = latitude;

this.longitude = longitude;

this.imgId = imgId;

this.name = name;

this.distance = distance;

this.zan = zan;

}

public double getLatitude() {

return latitude;

}

public void setLatitude(double latitude) {

this.latitude = latitude;

}

public double getLongitude() {

return longitude;

}

public void setLongitude(double longitude) {

this.longitude = longitude;

}

public int getImgId() {

return imgId;

}

public void setImgId(int imgId) {

this.imgId = imgId;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getDistance() {

return distance;

}

public void setDistance(String distance) {

this.distance = distance;

}

public int getZan() {

return zan;

}

public void setZan(int zan) {

this.zan = zan;

}

}