根据输入的字符串精确查找位置，用GeocodeQuery查找坐标，然后根据获取到的坐标，用RegeocodeQuery查询地址。例子中用了两个页面，一个是显示地址信息及定位的页面，另一个是搜索页面，点击搜索结果返回显示页面，显示信息并定位：
显示并定位的页面：
public class SaleMapActivity extends AppCompatActivity implements GeocodeSearch.OnGeocodeSearchListener { private static final String TAG = "SaleMapActivity"; @BindView(R.id.iv_mapBack) ImageView ivMapBack; @BindView(R.id.afterSaleMap) MapView afterSaleMap; @BindView(R.id.iv_saleSear) ImageView ivSaleSear; @BindView(R.id.rl_sale_search) RelativeLayout rlSaleSearch; @BindView(R.id.tv_pointName) TextView tvPointName; @BindView(R.id.tv_distance) TextView tvDistance; @BindView(R.id.iv_location) ImageView ivLocation; @BindView(R.id.tv_location) TextView tvLocation; @BindView(R.id.ll_location) LinearLayout llLocation; @BindView(R.id.iv_phone) ImageView ivPhone; @BindView(R.id.tv_phone) TextView tvPhone; @BindView(R.id.ll_phone) LinearLayout llPhone; @BindView(R.id.map_bottom) LinearLayout mapBottom; AMap aMap; //声明mLocationOption对象 public AMapLocationClientOption mLocationOption = null; //声明AMapLocationClient类对象 public AMapLocationClient mLocationClient = null; private Marker geoMarker; private Marker regeoMarker; private Double lat; private Double lon; private String mCity = ""; private String areaInfo=""; private String adCode = ""; Context mContext; private GeocodeSearch geocoderSearch; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_sale_map); ButterKnife.bind(this); afterSaleMap.onCreate(savedInstanceState); mContext = SaleMapActivity.this; //初始化定位 mLocationClient = new AMapLocationClient(getApplicationContext()); //设置定位回调监听 mLocationClient.setLocationListener(mLocationListener); initAmap(); } /** * * 初始化AMap对象 */ private void initAmap() { if (aMap == null) { aMap = afterSaleMap.getMap(); } setUpMap(); geocoderSearch = new GeocodeSearch(mContext); geocoderSearch.setOnGeocodeSearchListener(this); } private void setUpMap() { //初始化定位参数 mLocationOption = new AMapLocationClientOption(); //设置定位模式为高精度模式，Battery_Saving为低功耗模式，Device_Sensors是仅设备模式 mLocationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy); //设置是否返回地址信息（默认返回地址信息） mLocationOption.setNeedAddress(true); //设置是否只定位一次,默认为false mLocationOption.setOnceLocation(true); //设置是否强制刷新WIFI，默认为强制刷新 mLocationOption.setWifiActiveScan(true); //设置是否允许模拟位置,默认为false，不允许模拟位置 mLocationOption.setMockEnable(false); //设置定位间隔,单位毫秒,默认为2000ms // mLocationOption.setInterval(2000); //给定位客户端对象设置定位参数 mLocationClient.setLocationOption(mLocationOption); //启动定位 mLocationClient.startLocation(); //重新定位时移除红气泡，再重新初始化 geoMarker = aMap.addMarker(new MarkerOptions().anchor(0.5f, 0.5f) .icon(BitmapDescriptorFactory .defaultMarker(BitmapDescriptorFactory.HUE_BLUE))); // geoMarker = aMap.addMarker(new MarkerOptions().anchor(0.5f, 0.5f) // .icon(BitmapDescriptorFactory.fromResource(R.drawable.cur_position))); // regeoMarker = aMap.addMarker(new MarkerOptions().anchor(0.5f, 0.5f) // .icon(BitmapDescriptorFactory // .defaultMarker(BitmapDescriptorFactory.HUE_RED))); regeoMarker = aMap.addMarker(new MarkerOptions().anchor(0.5f, 0.5f) .icon(BitmapDescriptorFactory.fromResource(R.drawable.icon_map_search))); } //声明定位回调监听器 public AMapLocationListener mLocationListener = new AMapLocationListener() { @Override public void onLocationChanged(AMapLocation amapLocation) { if (amapLocation != null) { if (amapLocation.getErrorCode() == 0) { //定位成功回调信息，设置相关消息 amapLocation.getLocationType();//获取当前定位结果来源，如网络定位结果，详见定位类型表 amapLocation.getLatitude();//获取纬度 amapLocation.getLongitude();//获取经度 amapLocation.getAccuracy();//获取精度信息 SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); Date date = new Date(amapLocation.getTime()); df.format(date);//定位时间 amapLocation.getAddress();//地址，如果option中设置isNeedAddress为false，则没有此结果，网络定位结果中会有地址信息，GPS定位不返回地址信息。 amapLocation.getCountry();//国家信息 amapLocation.getProvince();//省信息 mCity = amapLocation.getCity();//城市信息 amapLocation.getDistrict();//城区信息 amapLocation.getStreet();//街道信息 amapLocation.getStreetNum();//街道门牌号信息 amapLocation.getCityCode();//城市编码 adCode = amapLocation.getAdCode();//地区编码 amapLocation.getAoiName();//获取当前定位点的AOI信息 lat = amapLocation.getLatitude(); lon = amapLocation.getLongitude(); areaInfo = amapLocation.getProvince()+" "+amapLocation.getCity() +" "+amapLocation.getDistrict(); Log.v("pcw", "lat : " + lat + " lon : " + lon+" adCode: "+adCode+","+areaInfo); Log.v("pcw", "amapLocation="+amapLocation.toString()); // etEAddr.setText(amapLocation.getAoiName()); tvPointName.setText(amapLocation.getAoiName()); tvLocation.setText(amapLocation.getAddress()); // 设置当前地图显示为当前位置 aMap.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(lat, lon), 16)); MarkerOptions markerOptions = new MarkerOptions(); markerOptions.position(new LatLng(lat, lon)); markerOptions.title("当前位置"); markerOptions.visible(true); // BitmapDescriptor bitmapDescriptor = BitmapDescriptorFactory.fromBitmap(BitmapFactory.decodeResource(getResources(), R.drawable.location_marker)); // BitmapDescriptor bitmapDescriptor = BitmapDescriptorFactory.fromResource(R.drawable.cur_position); //设置当前位置的marker图标 ImageView imageView = new ImageView(SaleMapActivity.this); imageView.setImageResource(R.drawable.cur_position); BitmapDescriptor bitmapDescriptor = BitmapDescriptorFactory.fromView(imageView); markerOptions.icon(bitmapDescriptor); aMap.addMarker(markerOptions); // mLocationListener.onLocationChanged(amapLocation); } else { //显示错误信息ErrCode是错误码，errInfo是错误信息，详见错误码表。 Log.e("AmapError", "location Error, ErrCode:" + amapLocation.getErrorCode() + ", errInfo:" + amapLocation.getErrorInfo()); Toast.makeText(mContext,amapLocation.getErrorInfo(),Toast.LENGTH_LONG).show(); } } } }; @Override protected void onActivityResult(int requestCode,int resultCode,Intent data){ LogUtil.d("SaleMapActivity","sdjflksdfjdlskf"); if(requestCode == 1){ if(resultCode == RESULT_OK){ LogUtil.d("SaleMapActivity","onActivityResult==========="); Bundle bundle = data.getBundleExtra("searAddr"); GeocodeAddress address = bundle.getParcelable("addr"); //根据传回来的地址坐标获取该地点的位置详细信息 //通过 RegeocodeQuery(LatLonPoint point, float radius, java.lang.String latLonType) 设置查询参数 RegeocodeQuery rQuery = new RegeocodeQuery(address.getLatLonPoint(),200,GeocodeSearch.AMAP); //调用 GeocodeSearch 的 getFromLocationAsyn(RegeocodeQuery regeocodeQuery) 方法发起请求。 //通过回调接口 onRegeocodeSearched 解析返回的结果 geocoderSearch.getFromLocationAsyn(rQuery); } } } @OnClick({R.id.iv_mapBack, R.id.rl_sale_search, R.id.ll_phone}) public void onClick(View view) { switch (view.getId()) { case R.id.iv_mapBack: finish(); break; case R.id.rl_sale_search: Intent searchIntent = new Intent(SaleMapActivity.this, SearchSaleActivity.class); startActivityForResult(searchIntent,1); // startActivity(searchIntent); break; case R.id.ll_phone: break; } } @Override public void onRegeocodeSearched(RegeocodeResult regeocodeResult, int i) { if(i== 1000){ if(regeocodeResult != null && regeocodeResult.getRegeocodeAddress()!= null && regeocodeResult.getRegeocodeAddress().getFormatAddress() != null){ adCode = regeocodeResult.getRegeocodeAddress().getAdCode(); LatLng latLng= convertToLatLng(regeocodeResult.getRegeocodeQuery().getPoint()); aMap.animateCamera(CameraUpdateFactory.newLatLngZoom(latLng,15)); regeoMarker.setPosition(latLng); RegeocodeAddress address = regeocodeResult.getRegeocodeAddress(); List<PoiItem> poiItems = address.getPois(); for(int j = 0;j<poiItems.size();j++){ PoiItem item = poiItems.get(j); LogUtil.d(TAG,"Title="+item.getTitle()+",Distance="+item.getDistance()+",AdName="+item.getAdName()+",Tel"+item.getTel() +",BusinessArea="+item.getBusinessArea()+",Snippet="+item.getSnippet()+",Direction"+item.getDirection() +",TypeDes"+item.getTypeDes()); } tvPointName.setText(poiItems.get(0).getTitle()+"附近"); //我的当前位置与搜索到的位置的距离 LatLng latLng1 = new LatLng(lat,lon); float distance = AMapUtils.calculateLineDistance(latLng1,regeoMarker.getPosition()); tvDistance.setText(String.valueOf(distance)); tvLocation.setText(address.getFormatAddress()); tvPhone.setText(poiItems.get(0).getTel()); Toast.makeText(mContext, "定位成功", Toast.LENGTH_LONG).show(); }else{ Toast.makeText(mContext, "定位失败", Toast.LENGTH_LONG).show(); } }else{ Toast.makeText(mContext, i, Toast.LENGTH_LONG).show(); } } public LatLng convertToLatLng(LatLonPoint point){ return new LatLng(point.getLatitude(),point.getLongitude()); } @Override public void onGeocodeSearched(GeocodeResult geocodeResult, int i) { } }2. 搜索页面：
public class SearchSaleActivity extends AppCompatActivity { private static final String TAG = "SearchSaleActivity"; @BindView(R.id.salesearch_edit) TextField salesearchEdit; @BindView(R.id.tv_saleCancel) TextView tvSaleCancel; @BindView(R.id.lvResult) ListView lvResult; GeocodeSearch geocodeSearch; Context mContext; SearchMapAdapter adapter; List<GeocodeAddress> addrList; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_search_sale); ButterKnife.bind(this); mContext = SearchSaleActivity.this; addrList = new ArrayList<GeocodeAddress>(); //构造 GeocodeSearch 对象，并设置监听。 geocodeSearch = new GeocodeSearch(mContext); geocodeSearch.setOnGeocodeSearchListener(new GeocodeSearch.OnGeocodeSearchListener() { @Override public void onRegeocodeSearched(RegeocodeResult regeocodeResult, int i) { } @Override public void onGeocodeSearched(GeocodeResult geocodeResult, int i) { //地理编码；根据地址获取坐标 if(i == 1000){ LogUtil.d(TAG,"success"); if(geocodeResult != null && geocodeResult.getGeocodeAddressList() != null && geocodeResult.getGeocodeAddressList().size() != 0){ LogUtil.d(TAG,""+geocodeResult.getGeocodeQuery().getLocationName()); addrList = geocodeResult.getGeocodeAddressList(); adapter = new SearchMapAdapter(mContext,addrList); lvResult.setAdapter(adapter); } } } }); salesearchEdit.addTextChangedListener(new MyTextChangeListener()); lvResult.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { Intent intent = new Intent(mContext,SaleMapActivity.class); Bundle bundle = new Bundle(); bundle.putParcelable("addr",addrList.get(position)); intent.putExtra("searAddr",bundle); setResult(RESULT_OK,intent); finish(); } }); } //文本框的改变监听 class MyTextChangeListener implements TextWatcher{ @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { String newText = s.toString().trim(); if(newText != null && !newText.equals("")){ //通过 GeocodeQuery(java.lang.String locationName, java.lang.String city) 设置查询参数 //name表示地址，第二个参数表示查询城市，中文或者中文全拼，citycode、adcode GeocodeQuery query = new GeocodeQuery(newText,"0532"); //调用 GeocodeSearch 的 getFromLocationNameAsyn(GeocodeQuery geocodeQuery) 方法发起请求。 //通过回调接口 onGeocodeSearched 解析返回的结果 geocodeSearch.getFromLocationNameAsyn(query); } } @Override public void afterTextChanged(Editable s) { } } @OnClick(R.id.tv_saleCancel) public void onClick() { } }
