通过百度地图API实现搜索地址--第三方开源--百度地图（三）

  1 package com.zzw.baidumappoint;
  2 
  3 import com.baidu.location.BDLocation;
  4 import com.baidu.location.BDLocationListener;
  5 import com.baidu.location.LocationClient;
  6 import com.baidu.location.LocationClientOption;
  7 import com.baidu.mapapi.SDKInitializer;
  8 import com.baidu.mapapi.map.BaiduMap;
  9 import com.baidu.mapapi.map.MapStatusUpdate;
 10 import com.baidu.mapapi.map.MapStatusUpdateFactory;
 11 import com.baidu.mapapi.map.MapView;
 12 import com.baidu.mapapi.map.MyLocationData;
 13 import com.baidu.mapapi.model.LatLng;
 14 import com.baidu.mapapi.search.geocode.GeoCodeOption;
 15 import com.baidu.mapapi.search.geocode.GeoCodeResult;
 16 import com.baidu.mapapi.search.geocode.GeoCoder;
 17 import com.baidu.mapapi.search.geocode.OnGetGeoCoderResultListener;
 18 import com.baidu.mapapi.search.geocode.ReverseGeoCodeResult;
 19 
 20 import android.app.Activity;
 21 import android.os.Bundle;
 22 import android.view.View;
 23 import android.view.View.OnClickListener;
 24 import android.widget.EditText;
 25 import android.widget.Toast;
 26 
 27 public class MainActivity extends Activity {
 28 
 29     private LocationClient mLocationClient;
 30     private BaiduMap mBaiduMap;
 31     private GeoCoder mGeoCoder;
 32 
 33     @Override
 34     protected void onCreate(Bundle savedInstanceState) {
 35         super.onCreate(savedInstanceState);
 36         SDKInitializer.initialize(getApplicationContext());// 使程序不崩溃的作用
 37         setContentView(R.layout.activity_main);
 38 
 39         final EditText city_edit = (EditText) findViewById(R.id.city);
 40         final EditText addr_edit = (EditText) findViewById(R.id.addr);
 41         // 获取LocationClient
 42         mLocationClient = new LocationClient(this);
 43 
 44         // 获得GeoCoder
 45         mGeoCoder = GeoCoder.newInstance();
 46         mGeoCoder.setOnGetGeoCodeResultListener(new OnGetGeoCoderResultListener() {
 47 
 48             @Override
 49             public void onGetReverseGeoCodeResult(ReverseGeoCodeResult result) {
 50 
 51             }
 52 
 53             @Override
 54             public void onGetGeoCodeResult(GeoCodeResult result) {
 55                 try{
 56                     LatLng ll = result.getLocation();
 57                     // 只是完成了定位
 58                     MyLocationData locData = new MyLocationData.Builder().latitude(ll.latitude).longitude(ll.longitude)
 59                             .build();
 60 
 61                     // 设置图标在地图上的位置
 62                     mBaiduMap.setMyLocationData(locData);
 63 
 64                     // 开始移动百度地图的定位地点到中心位置
 65                     MapStatusUpdate u = MapStatusUpdateFactory.newLatLngZoom(ll, 16.0f);
 66                     mBaiduMap.animateMapStatus(u);
 67                 }catch(Exception e){
 68                     Toast.makeText(getApplicationContext(), "请检查地址", 0).show();
 69                 }
 70             }
 71         });
 72 
 73         findViewById(R.id.GO).setOnClickListener(new OnClickListener() {
 74 
 75             @Override
 76             public void onClick(View v) {
 77                 try {
 78                     String city = city_edit.getText() + "";
 79                     String addr = addr_edit.getText() + "";
 80                     city_edit.setText("");
 81                     addr_edit.setText("");
 82                     mGeoCoder.geocode(new GeoCodeOption().city(city.trim()).address(addr.trim()));
 83                 } catch (Exception e) {
 84                     
 85                 }
 86 
 87             }
 88         });
 89         LocationClientOption option = new LocationClientOption();
 90         option.setCoorType("bd09ll");
 91         mLocationClient.setLocOption(option);
 92 
 93         // 获取BaiduMap
 94         MapView mapView = (MapView) findViewById(R.id.mapView);
 95         mBaiduMap = mapView.getMap();
 96 
 97         // 显示出当前位置的小图标
 98         mBaiduMap.setMyLocationEnabled(true);
 99 
100         MyLocationListener mListener = new MyLocationListener();
101         mLocationClient.registerLocationListener(mListener);
102         mLocationClient.start();
103     }
104 
105     @Override
106     protected void onDestroy() {
107         mLocationClient.stop();
108         super.onDestroy();
109     }
110 
111     private class MyLocationListener implements BDLocationListener {
112 
113         @Override
114         public void onReceiveLocation(BDLocation location) {
115 
116             // 只是完成了定位
117             MyLocationData locData = new MyLocationData.Builder().latitude(location.getLatitude())
118                     .longitude(location.getLongitude()).build();
119 
120             // 设置图标在地图上的位置
121             mBaiduMap.setMyLocationData(locData);
122 
123             // 开始移动百度地图的定位地点到中心位置
124             LatLng ll = new LatLng(location.getLatitude(), location.getLongitude());
125             MapStatusUpdate u = MapStatusUpdateFactory.newLatLngZoom(ll, 16.0f);
126             mBaiduMap.animateMapStatus(u);
127         }
128 
129     }
130 
131 }