android显示地图代码,Android Studio之高德地图实现定位和3D地图显示(示例代码)
/****
* 讲诉了高德地图定位和3D地图显示
*
* 打包和未打包的情况是不一样的，高德配置是可以配置调试版和发布版
**/
public class MainActivity extends AppCompatActivity implementsAMapLocationListener,GeocodeSearch.OnGeocodeSearchListener {private AMapLocationClient locationClient = null;private AMapLocationClientOption locationOption = null;privateTextView textView;privateString[] strMsg;privatecom.amap.api.maps.AMap aMap;privateMapView mapView;privateGeocodeSearch geocoderSearch;privateMarker geoMarker;private staticLatLonPoint latLonPoint;
@Overrideprotected voidonCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textView=(TextView) findViewById(R.id.text_map);
mapView=(MapView) findViewById(R.id.map);
mapView.onCreate(savedInstanceState);//此方法必须重写
Location();
}private voidinitMap(){if (aMap == null) {
aMap=mapView.getMap();//用高德默认图标//geoMarker= aMap.addMarker(new MarkerOptions().anchor(0.5f, 0.5f).icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_BLUE)));//自定义图标
geoMarker = aMap.addMarker(new MarkerOptions().anchor(0.5f, 0.5f)
.icon(BitmapDescriptorFactory.fromBitmap(BitmapFactory.decodeResource(getResources(), R.mipmap.punch_dw))));
}
geocoderSearch= new GeocodeSearch(this);
geocoderSearch.setOnGeocodeSearchListener(this);
getAddress(latLonPoint);
}
@Overridepublic voidonLocationChanged(AMapLocation loc) {if (null !=loc) {
Message msg=mHandler.obtainMessage();
msg.obj=loc;
msg.what=Utils.MSG_LOCATION_FINISH;
mHandler.sendMessage(msg);
}
}
Handler mHandler= newHandler() {public voiddispatchMessage(android.os.Message msg) {switch(msg.what) {//定位完成
caseUtils.MSG_LOCATION_FINISH:
String result= "";try{
AMapLocation loc=(AMapLocation) msg.obj;
result= Utils.getLocationStr(loc, 1);
strMsg= result.split(",");
Toast.makeText(MainActivity.this, "定位成功", Toast.LENGTH_LONG).show();
textView.setText("地址：" + strMsg[0] + "\n" + "经 度：" + strMsg[1] + "\n" + "纬 度：" + strMsg[2]);
latLonPoint= new LatLonPoint(Double.valueOf(strMsg[2]), Double.valueOf(strMsg[1]));
initMap();
}catch(Exception e) {
Toast.makeText(MainActivity.this, "定位失败", Toast.LENGTH_LONG).show();
}break;default:break;
}
};
};public voidLocation() {//TODO Auto-generated method stub
try{
locationClient= new AMapLocationClient(this);
locationOption= newAMapLocationClientOption();//设置定位模式为低功耗模式
locationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Battery_Saving);//设置定位监听
locationClient.setLocationListener(this);
locationOption.setOnceLocation(true);//设置为单次定位
locationClient.setLocationOption(locationOption);//设置定位参数//启动定位
locationClient.startLocation();
mHandler.sendEmptyMessage(Utils.MSG_LOCATION_START);
}catch(Exception e) {
Toast.makeText(MainActivity.this, "定位失败", Toast.LENGTH_LONG).show();
}
}/*** 响应逆地理编码*/
public void getAddress(finalLatLonPoint latLonPoint) {
RegeocodeQuery query= new RegeocodeQuery(latLonPoint, 200,
GeocodeSearch.AMAP);//第一个参数表示一个Latlng，第二参数表示范围多少米，第三个参数表示是火系坐标系还是GPS原生坐标系
geocoderSearch.getFromLocationAsyn(query);//设置同步逆地理编码请求
}/*** 地理编码查询回调*/@Overridepublic void onGeocodeSearched(GeocodeResult result, intrCode) {
}/*** 逆地理编码回调*/@Overridepublic void onRegeocodeSearched(RegeocodeResult result, intrCode) {if (rCode == 1000) {if (result != null && result.getRegeocodeAddress() != null
&& result.getRegeocodeAddress().getFormatAddress() != null) {
Toast.makeText(MainActivity.this,result.getRegeocodeAddress().getFormatAddress()+ "附近",Toast.LENGTH_LONG).show();
aMap.animateCamera(CameraUpdateFactory.newLatLngZoom(
AMapUtil.convertToLatLng(latLonPoint),15));
geoMarker.setPosition(AMapUtil.convertToLatLng(latLonPoint));
}else{
}
}else{
}
}/*** 方法必须重写*/@Overridepublic voidonResume() {super.onResume();
mapView.onResume();
}/*** 方法必须重写*/@Overridepublic voidonPause() {super.onPause();
mapView.onPause();
}/*** 方法必须重写*/@Overridepublic voidonSaveInstanceState(Bundle outState) {super.onSaveInstanceState(outState);
mapView.onSaveInstanceState(outState);
}
@Overridepublic voidonDestroy() {super.onDestroy();
mapView.onDestroy();
}
}