登录百度开发者帐号后下载sdk导入自己的工程中。代码如下: 1 package com.lixu.baidu_gps; 2 3 import com.baidu.location.BDLocation; 4 import com.baidu.location.BDLocatio ...
登录百度开发者帐号后下载sdk导入自己的工程中。
代码如下:
1 package com.lixu.baidu_gps; 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 import android.app.Activity; 20 import android.os.Bundle; 21 import android.view.View; 22 import android.view.View.OnClickListener; 23 import android.widget.Button; 24 import android.widget.EditText; 25 import android.widget.Toast; 26 27 public class MainActivity extends Activity { 28 private LocationClient mLocationClient = null; 29 private BaiduMap mBaiduMap = null; 30 private GeoCoder geocoder; 31 private EditText et1, et2; 32 33 @Override 34 protected void onCreate(Bundle savedInstanceState) { 35 super.onCreate(savedInstanceState); 36 37 SDKInitializer.initialize(getApplicationContext()); 38 39 setContentView(R.layout.activity_main); 40 41 mLocationClient = new LocationClient(this); 42 // 获取百度地图的视图控件 43 MapView baidumapview = (MapView) findViewById(R.id.baidumv); 44 45 mBaiduMap = baidumapview.getMap(); 46 // 设置地图指针 47 mBaiduMap.setMyLocationEnabled(true); 48 49 // 处理百度地图开源项目的定位偏差 50 LocationClientOption option = new LocationClientOption(); 51 option.setCoorType("bd09ll"); 52 53 mLocationClient.setLocOption(option); 54 55 MyLocationListenner myListenner = new MyLocationListenner(); 56 mLocationClient.registerLocationListener(myListenner); 57 mLocationClient.start(); 58 59 geocoder = GeoCoder.newInstance(); 60 61 geocoder.setOnGetGeoCodeResultListener(new OnGetGeoCoderResultListener() { 62 63 @Override 64 public void onGetReverseGeoCodeResult(ReverseGeoCodeResult location) { 65 } 66 67 @Override 68 public void onGetGeoCodeResult(GeoCodeResult location) { 69 // 根据输入地址来获得经纬度 70 LatLng ll = location.getLocation(); 71 // 获取精度纬度完成定位 72 MyLocationData mMyLocationData = new MyLocationData.Builder().latitude(ll.latitude) 73 .longitude(ll.longitude).build(); 74 75 // 设置定位球的位置 76 mBaiduMap.setMyLocationData(mMyLocationData); 77 // 移动定位球到中心位置 78 79 MapStatusUpdate msu = MapStatusUpdateFactory.newLatLng(ll); 80 mBaiduMap.animateMapStatus(msu); 81 82 } 83 }); 84 85 et1 = (EditText) findViewById(R.id.et1); 86 87 et2 = (EditText) findViewById(R.id.et2); 88 89 Button btn = (Button) findViewById(R.id.sousuo); 90 91 btn.setOnClickListener(new OnClickListener() { 92 93 @Override 94 public void onClick(View v) { 95 if (et1.getText().toString().equals("") || et2.getText().toString().equals("")) { 96 Toast.makeText(getApplicationContext(), "请输入地址", 0).show(); 97 } else 98 geocoder.geocode( 99 new GeoCodeOption().city(et1.getText().toString()).address(et2.getText().toString()));100 101 }102 });103 104 }105 106 private class MyLocationListenner implements BDLocationListener {107 108 @Override109 public void onReceiveLocation(BDLocation location) {110 // 获取精度纬度完成定位111 MyLocationData mMyLocationData = new MyLocationData.Builder().latitude(location.getLatitude())112 .longitude(location.getLongitude()).build();113 114 // 设置定位球的位置115 mBaiduMap.setMyLocationData(mMyLocationData);116 // 移动定位球到中心位置117 LatLng ll = new LatLng(location.getLatitude(), location.getLongitude());118 MapStatusUpdate msu = MapStatusUpdateFactory.newLatLng(ll);119 mBaiduMap.animateMapStatus(msu);120 121 }122 123 }124 125 // 程序退出时关闭126 @Override127 protected void onDestroy() {128 mLocationClient.stop();129 mBaiduMap.clear();130 geocoder.destroy();131 super.onDestroy();132 }133 134 }
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原标题:百度地图可视化定位效果,可以输入目的地定位。
关键词:百度
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