package com.herotculb.tencentmap;
import java.util.ArrayList;
import net.tsz.afinal.FinalHttp;
import net.tsz.afinal.http.AjaxCallBack;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.Point;
import android.location.Location;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.view.Window;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.android.volley.Request.Method;
import com.android.volley.RequestQueue;
import com.android.volley.Response.Listener;
import com.android.volley.toolbox.JsonObjectRequest;
import com.android.volley.toolbox.Volley;
import com.tencent.map.geolocation.TencentLocation;
import com.tencent.map.geolocation.TencentLocationListener;
import com.tencent.map.geolocation.TencentLocationManager;
import com.tencent.map.geolocation.TencentLocationRequest;
import com.tencent.tencentmap.mapsdk.map.GeoPoint;
import com.tencent.tencentmap.mapsdk.map.MapActivity;
import com.tencent.tencentmap.mapsdk.map.MapView;
import com.tencent.tencentmap.mapsdk.map.Overlay;
import com.tencent.tencentmap.mapsdk.map.Projection;
/**
* 在腾讯地图上显示我的位置.
*
* <p>
* 地图SDK相关内容请参考<a
* href="http://open.map.qq.com/android_v1/index.html">腾讯地图SDK</a>
*/
public class MainActivity extends MapActivity implements
TencentLocationListener, OnTouchListener {
TextView my_address;
private MapView mMapView;
private LocationOverlay mLocationOverlay;
public RequestQueue _Queue;
private ListView mListView;
ArrayList<Pois> arrayList = null;
Pois pois = null;
AdddressAdapter adapter;
private TencentLocation mLocation;
private TencentLocationManager mLocationManager;
public static int count = 1;
public static String app_id = "OUQBZ-HIRWV-W3UPA-UOXRD-KVUB7-U2FZL";
// 用于记录定位参数, 以显示到 UI
private String mRequestParams;
@Override
protected void onCreate(Bundle savedInstanceState) {
requestWindowFeature(Window.FEATURE_NO_TITLE);
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_demo_map);
my_address = (TextView) findViewById(R.id.my_address);
initMapView();
mLocationManager = TencentLocationManager.getInstance(this);
// 设置坐标系为 gcj-02, 缺省坐标为 gcj-02, 所以通常不必进行如下调用
mLocationManager
.setCoordinateType(TencentLocationManager.COORDINATE_TYPE_GCJ02);
_Queue= Volley.newRequestQueue(getApplicationContext());
}
private final Location mCenter = new Location("");
private void updatePosition() {
GeoPoint c = mMapView.getMapCenter();
double lat = c.getLatitudeE6() / 1E6;
double lng = c.getLongitudeE6() / 1E6;
mCenter.setLatitude(lat);
mCenter.setLongitude(lng);
getJson("http://apis.map.qq.com/ws/geocoder/v1/?location="
+ lat + ","
+ lng + "&key=" + app_id
+ "&get_poi=1");
Toast.makeText(MainActivity.this, lat + "," + lng, Toast.LENGTH_LONG)
.show();
}
private void initMapView() {
mMapView = (MapView) findViewById(R.id.mapviewOverlay);
mMapView.setBuiltInZoomControls(false);
mMapView.getController().setZoom(18);
mMapView.setOnTouchListener(this);
Bitmap bmpMarker = BitmapFactory.decodeResource(getResources(),
R.drawable.location_direction);
mLocationOverlay = new LocationOverlay(bmpMarker);
mMapView.addOverlay(mLocationOverlay);
mListView = (ListView) findViewById(R.id.id_listview);
adapter = new AdddressAdapter(MainActivity.this, arrayList);
mListView.setAdapter(adapter);
}
private void getJson(String url) {
_Queue.add(new JsonObjectRequest(Method.GET, url, null,
new Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
String status = "";
String json = response.toString();
if (!TextUtils.isEmpty(json)) {
JSONObject jObject = null;
try {
jObject = new JSONObject(json);
status = jObject.getString("status");
String result = jObject.getString("result");
if ("0".equals(status)) {
JSONObject jo = new JSONObject(result);
String pois2 = jo.getString("pois");
JSONArray joArray = null;
joArray = new JSONArray(pois2);
arrayList = new ArrayList<Pois>();
for (int i = 0; i < joArray.length(); i++) {
pois = new Pois();
jObject = joArray.getJSONObject(i);
pois.setId(jObject.getString("id"));
pois.setTitle(jObject.getString("title"));
pois.setAddress(jObject.getString("address"));
pois.setCategory(jObject.getString("category"));
// pois.setLat(jObject.getString("lat"));
// pois.setLng(jObject.getString("lng"));
pois.set_distance(jObject.getString("_distance"));
arrayList.add(pois);
}
adapter.changeData(arrayList);
}
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}, null));
_Queue.start();
// FinalHttp fh = new FinalHttp();
// fh.get(url, new AjaxCallBack<Object>() {
// @Override
// public void onSuccess(Object t) {
// super.onSuccess(t);
// String status = "";
// String json = t.toString();
// if (!TextUtils.isEmpty(json)) {
// JSONObject jObject = null;
// try {
// jObject = new JSONObject(json);
// status = jObject.getString("status");
// String result = jObject.getString("result");
// if ("0".equals(status)) {
// JSONObject jo = new JSONObject(result);
// String pois2 = jo.getString("pois");
// JSONArray joArray = null;
// joArray = new JSONArray(pois2);
// arrayList = new ArrayList<Pois>();
// for (int i = 0; i < joArray.length(); i++) {
// pois = new Pois();
// jObject = joArray.getJSONObject(i);
// pois.setId(jObject.getString("id"));
// pois.setTitle(jObject.getString("title"));
// pois.setAddress(jObject.getString("address"));
// pois.setCategory(jObject.getString("category"));
//// pois.setLat(jObject.getString("lat"));
//// pois.setLng(jObject.getString("lng"));
// pois.set_distance(jObject.getString("_distance"));
// arrayList.add(pois);
// }
//
// adapter.changeData(arrayList);
// }
// } catch (JSONException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// }
// }
//
// System.out.println(t.toString());
// }
//
// @Override
// public void onLoading(long count, long current) {
// // TODO Auto-generated method stub
// super.onLoading(count, current);
// }
//
// @Override
// public void onStart() {
// // TODO Auto-generated method stub
// super.onStart();
// }
//
// });
}
@Override
protected void onResume() {
super.onResume();
startLocation();
count = 1;
}
@Override
protected void onPause() {
super.onPause();
stopLocation();
count = 1;
}
// ===== view listeners
public void myLocation(View view) {
if (mLocation != null) {
mMapView.getController().animateTo(of(mLocation));
}
}
public void myPoint(View view) {
GeoPoint point = mMapView.getMapCenter();
point.getLatitudeE6();
Toast.makeText(
MainActivity.this,
point.getLatitudeE6() / 1E6 + "," + point.getLongitudeE6()
/ 1E6, Toast.LENGTH_LONG).show();
}
// ===== view listeners
// ====== location callback
@Override
public void onLocationChanged(TencentLocation location, int error,
String reason) {
if (error == TencentLocation.ERROR_OK) {
mLocation = location;
// 定位成功
StringBuilder sb = new StringBuilder();
sb.append("(纬度=").append(location.getLatitude()).append(",经度=")
.append(location.getLongitude()).append(",精度=")
.append(location.getAccuracy()).append("), 来源=")
.append(location.getProvider()).append(", 地址=")
.append(location.getAddress());
// 更新 status
my_address.setText("我的当前位置：" + location.getAddress());
// 更新 location 图层
mLocationOverlay.setAccuracy(mLocation.getAccuracy());
mLocationOverlay.setGeoCoords(of(mLocation));
mMapView.invalidate();
getJson("http://apis.map.qq.com/ws/geocoder/v1/?location="
+ location.getLatitude() + ","
+ location.getLongitude() + "&key=" + app_id
+ "&get_poi=1");
if (mLocation != null && count == 1) {
mMapView.getController().animateTo(of(mLocation));
count = 2;
}
}
}
@Override
public void onStatusUpdate(String name, int status, String desc) {
// ignore
}
// ====== location callback
private void startLocation() {
TencentLocationRequest request = TencentLocationRequest.create();
request.setInterval(5000);
mLocationManager.requestLocationUpdates(request, this);
mRequestParams = request.toString() + ", 坐标系="
+ DemoUtils.toString(mLocationManager.getCoordinateType());
}
private void stopLocation() {
mLocationManager.removeUpdates(this);
}
// ====== util methods
private static GeoPoint of(TencentLocation location) {
GeoPoint ge = new GeoPoint((int) (location.getLatitude() * 1E6),
(int) (location.getLongitude() * 1E6));
return ge;
}
@Override
public boolean onTouch(View v, MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_UP) {
updatePosition();
}
return false;
}
}
class LocationOverlay extends Overlay {
GeoPoint geoPoint;
Bitmap bmpMarker;
float fAccuracy = 0f;
public LocationOverlay(Bitmap mMarker) {
bmpMarker = mMarker;
}
public void setGeoCoords(GeoPoint point) {
if (geoPoint == null) {
geoPoint = new GeoPoint(point.getLatitudeE6(),
point.getLongitudeE6());
} else {
geoPoint.setLatitudeE6(point.getLatitudeE6());
geoPoint.setLongitudeE6(point.getLongitudeE6());
}
}
public void setAccuracy(float fAccur) {
fAccuracy = fAccur;
}
@Override
public void draw(Canvas canvas, MapView mapView) {
if (geoPoint == null) {
return;
}
Projection mapProjection = mapView.getProjection();
Paint paint = new Paint();
Point ptMap = mapProjection.toPixels(geoPoint, null);
paint.setColor(Color.BLUE);
paint.setAlpha(8);
paint.setAntiAlias(true);
float fRadius = mapProjection.metersToEquatorPixels(fAccuracy);
canvas.drawCircle(ptMap.x, ptMap.y, fRadius, paint);
paint.setStyle(Style.STROKE);
paint.setAlpha(200);
canvas.drawCircle(ptMap.x, ptMap.y, fRadius, paint);
if (bmpMarker != null) {
paint.setAlpha(255);
canvas.drawBitmap(bmpMarker, ptMap.x - bmpMarker.getWidth() / 2,
ptMap.y - bmpMarker.getHeight() / 2, paint);
}
super.draw(canvas, mapView);
}
}