Java LatLng类代码示例

import com.amap.api.maps2d.model.LatLng; //导入依赖的package包/类
private void queryLatLngAddress(LatLng latlng) {
	if(!TextUtils.isEmpty(addressInfo) && latlng.latitude == latitude && latlng.longitude == longitude) {
		return;
	}
	
	Handler handler = getHandler();
	handler.removeCallbacks(runable);
	handler.postDelayed(runable, 20 * 1000);// 20s超时
	geocoder.queryAddressNow(latlng.latitude, latlng.longitude);
	
	latitude = latlng.latitude;
	longitude = latlng.longitude;
	
	this.addressInfo = null;
	setPinInfoPanel(false);
}
 

import com.amap.api.maps2d.model.LatLng; //导入依赖的package包/类
@Override
public void onMapClick(LatLng point) {
    if (isAdd == true){
        markWaypoint(point);
        Waypoint mWaypoint = new Waypoint(point.latitude, point.longitude, altitude);
        //Add Waypoints to Waypoint arraylist;
        if (waypointMissionBuilder != null) {
            waypointList.add(mWaypoint);
            waypointMissionBuilder.waypointList(waypointList).waypointCount(waypointList.size());
        }else
        {
            waypointMissionBuilder = new WaypointMission.Builder();
            waypointList.add(mWaypoint);
            waypointMissionBuilder.waypointList(waypointList).waypointCount(waypointList.size());
        }
    }else{
        setResultToToast("Cannot Add Waypoint");
    }
}
 

import com.amap.api.maps2d.model.LatLng; //导入依赖的package包/类
private void updateDroneLocation(){

        LatLng pos = new LatLng(droneLocationLat, droneLocationLng);
        //Create MarkerOptions object
        final MarkerOptions markerOptions = new MarkerOptions();
        markerOptions.position(pos);
        markerOptions.icon(BitmapDescriptorFactory.fromResource(R.drawable.aircraft));

        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                if (droneMarker != null) {
                    droneMarker.remove();
                }

                if (checkGpsCoordination(droneLocationLat, droneLocationLng)) {
                    droneMarker = aMap.addMarker(markerOptions);
                }
            }
        });
    }
 

import com.amap.api.maps2d.model.LatLng; //导入依赖的package包/类
@Override
public void onLocationChanged(NimLocation location) {
	if (location != null && location.hasCoordinates()) {
		if (firstLocation) {
			firstLocation = false;
			myAddressInfo = location.getFullAddr();
			double latitude = location.getLatitude();
			double longitude = location.getLongitude();
			myLatLng = new LatLng(latitude, longitude);
			// 缩放到可见区
			int boundPadding = getResources().getDimensionPixelSize(R.dimen.friend_map_bound_padding);
			LatLngBounds bounds = LatLngBounds.builder().include(myLatLng).include(desLatLng).build();
			CameraUpdate camera = CameraUpdateFactory.newLatLngBounds(bounds, boundPadding);
			amap.moveCamera(camera);
			updateMyMarkerLatLng();

			updateSendStatus();
		}
	} else {
		showLocationFailTip();
	}
	clearTimeoutHandler();
}
 

import com.amap.api.maps2d.model.LatLng; //导入依赖的package包/类
public Factory() {
    users = new ArrayList<>(7);
    posts = new ArrayList<>(8);
    friendPosts = new ArrayList<>(6);
    messages = new ArrayList<>(5);

    users.add(new User("Jason", R.drawable.av1));
    users.add(new User("JB", R.drawable.av2));
    users.add(new User("Hsg", R.drawable.av3));
    users.add(new User("王子尧", R.drawable.av4));
    users.add(new User("马幸颖", R.drawable.av5));
    users.add(new User("Vincent", R.drawable.av6));
    users.add(new User("小姐姐", R.drawable.av7));

    posts.add(new Post(randomUser(), R.drawable.p1, "给咱一个地铁站 法师可以玩一天", new LatLng(32.02411, 118.79087)));
    posts.add(new Post(randomUser(), R.drawable.p3, "糖果小屋", new LatLng(32.022964, 118.791986)));
    posts.add(new Post(randomUser(), R.drawable.p4, "书如画", new LatLng(32.079255,118.816898)));
    posts.add(new Post(randomUser(), R.drawable.p5, "梦想在，哪里都是舞台", new LatLng(32.025567, 118.85844)));
    posts.add(new Post(randomUser(), R.drawable.p6, "好耐冇逛深水埗", new LatLng(32.155003, 118.848141)));
    posts.add(new Post(randomUser(), R.drawable.p7, "海边 等一个人和我牵手", new LatLng(31.985099, 118.672703)));
    posts.add(new Post(randomUser(), R.drawable.p2, "Quebec！", new LatLng(32.054379, 118.842647)));

    friendPosts.add(new Post(randomUser(),R.drawable.fp10,"Hack Nanjing！", new LatLng(32.054379, 118.842647)));
    friendPosts.add(new Post(randomUser(), R.drawable.fp1, "南山南 北海北 南山有墓碑", new LatLng(32.174766, 119.433527)));
    friendPosts.add(new Post(randomUser(), R.drawable.fp2, "女人出门果然就是自拍 预祝白白参加中国新歌声成功", new LatLng(32.087097, 118.778995)));
    friendPosts.add(new Post(randomUser(), R.drawable.fp3, "斯里兰卡", new LatLng(31.912853, 118.771601)));
    friendPosts.add(new Post(randomUser(), R.drawable.fp4, "心里的郁结一下子被风吹走了",  new LatLng(32.005033, 118.787235)));
    friendPosts.add(new Post(randomUser(), R.drawable.fp5, "永远收不住的放荡不羁", new LatLng(32.042873, 118.763889)));
    friendPosts.add(new Post(randomUser(), R.drawable.fp6, "Hey!China!", new LatLng(32.060333, 118.599781)));

    User counterpart = randomUser();
    messages.add(new Message(counterpart, "嗨嗨嗨~~~", 0, Message.TYPE_RECEIVED, Message.CONTENT_STRING));
    messages.add(new Message(counterpart, "看我拍了什么！", 0, Message.TYPE_RECEIVED, Message.CONTENT_STRING));
    messages.add(new Message(counterpart, "", R.drawable.test_photo, Message.TYPE_RECEIVED, Message.CONTENT_PHOTO));
    messages.add(new Message(me, "真有你的", 0, Message.TYPE_SENT, Message.CONTENT_STRING));
    messages.add(new Message(me, "我有两句诗，不知当不当念？", 0, Message.TYPE_SENT, Message.CONTENT_STRING));
}
 

import com.amap.api.maps2d.model.LatLng; //导入依赖的package包/类
@Override
public void onLocationChanged(AMapLocation aMapLocation) {
    if (mListener != null && aMapLocation != null) {
        if (aMapLocation != null
                && aMapLocation.getErrorCode() == 0) {

            LatLng location = new LatLng(aMapLocation.getLatitude(), aMapLocation.getLongitude());
            if (!mFirstFix) {
                mFirstFix = true;
                addCircle(location, aMapLocation.getAccuracy());//添加定位精度圆
                addMarker(location);//添加定位图标
                mSensorHelper.setCurrentMarker(mLocMarker);//定位图标旋转
                mAMap.moveCamera(CameraUpdateFactory.newLatLngZoom(location, 18));
            } else {
                mCircle.setCenter(location);
                mCircle.setRadius(aMapLocation.getAccuracy());
                mLocMarker.setPosition(location);
                mAMap.moveCamera(CameraUpdateFactory.changeLatLng(location));
            }
        } else {
            String errText = "定位失败," + aMapLocation.getErrorCode() + ": " + aMapLocation.getErrorInfo();
            Log.e("AmapErr", errText);
        }
    }
}
 

import com.amap.api.maps2d.model.LatLng; //导入依赖的package包/类
@Override
public void onLocationChanged(AMapLocation amapLocation) {
    if (amapLocation != null) {
        if (amapLocation.getErrorCode() == 0) {
            //可在其中解析amapLocation获取相应内容。
            double locationType = 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
            double latitude = amapLocation.getLatitude();//获取纬度
            double longitude = amapLocation.getLongitude();//获取纬度
            L.i("location", "locationType:" + locationType + ",latitude:" + latitude + ",longitude:" + longitude);
            LatLng latLng = new LatLng(latitude, longitude);
            getAddressByLatlng(latLng);
        } else {
            //定位失败时，可通过ErrCode（错误码）信息来确定失败的原因，errInfo是错误信息，详见错误码表。
            L.i("location", "location Error, ErrCode:"
                    + amapLocation.getErrorCode() + ", errInfo:"
                    + amapLocation.getErrorInfo());
        }
    }
}
 

import com.amap.api.maps2d.model.LatLng; //导入依赖的package包/类
private void sendToChildrenLocation(final String address, final LatLng latLng) {
    LocationMessage message = new LocationMessage();
    message.setContent("location");
    Map<String, Object> map = new HashMap<>();
    map.put("id", BmobUser.getCurrentUser(User.class).getUsername());
    map.put("address", address);
    map.put("latitude", latLng.latitude);
    map.put("longitude", latLng.longitude);
    message.setExtraMap(map);

    L.i("send location");

    mConversationManager.sendMessage(message, new MessageSendListener() {
        @Override
        public void done(BmobIMMessage bmobIMMessage, BmobException e) {
            if (e != null) {
                L.i("send location failed " + e.getMessage());
            } else {
                L.i("send location successfully");
                L.i("address: " + address);
                L.i("latitude: " + latLng.latitude);
                L.i("longitude: " + latLng.longitude);
            }
        }
    });
}
 

import com.amap.api.maps2d.model.LatLng; //导入依赖的package包/类
private MarkerOptions getMarkerOptions(AMapLocation amapLocation) {
        //设置图钉选项
        MarkerOptions options = new MarkerOptions();
        //图标
        options.icon(BitmapDescriptorFactory.fromResource(R.drawable.ic_location_on_black_48dp));
        //位置
        options.position(new LatLng(amapLocation.getLatitude(), amapLocation.getLongitude()));
        StringBuffer buffer = new StringBuffer();
        buffer.append(amapLocation.getCountry() + "" + amapLocation.getProvince() + "" +
                amapLocation.getCity() + "" + amapLocation.getDistrict() + "" +
                amapLocation.getStreet() + "" + amapLocation.getStreetNum());
        //标题
        options.title(buffer.toString());
        //子标题
//        options.snippet("I'am Here!");
        //设置多少帧刷新一次图片资源
        options.period(60);

        return options;

    }
 

import com.amap.api.maps2d.model.LatLng; //导入依赖的package包/类
@Override
public void run() {
    super.run();

    switch (state){
        case AIR_REQUEST:
            updateView(getRequestAir((String) params.get("city_name")));break;
        case WEATHER_REQUEST:
            updateView(getRequestWeather((LatLng) params.get("latLng")));break;
        case REQUEST_ALL:
            getRequestAll((LatLng)params.get("latLng"));break;
        case ERROR:
            Log.i("Error","Error in NetworkRequest Thread");
    }

}
 

import com.amap.api.maps2d.model.LatLng; //导入依赖的package包/类
private void getRequestAll(LatLng latLng){
        final Map<String,String> map=getRequestWeather(latLng);
        final int index=(int)params.get("weather_id");

        map.putAll(getRequestAir(map.get("city")));
        handler.post(new Runnable() {
            @Override
            public void run() {
                ((Button)params.get("city")).setText(map.get("city"));

                ((TextView)params.get("weather")).setText("天气 :"+map.get("天气"));
                ((TextView)params.get("temperature")).setText("气温 :"+map.get("气温"));
                ((TextView)params.get("AQI")).setText("AQI(空气质量指数) :"+map.get("AQI(空气质量指数)"));
                ((TextView)params.get("quality")).setText("空气质量 :"+map.get("空气质量"));
                ((ImageView)params.get("icon_weather")).setImageResource(Database.icon_id[index]);

                params.clear();
                params.putAll(map);

                CityActivity.initDatabase();
            }
        });
//        params.clear();
//        params.putAll(map);
    }
 

import com.amap.api.maps2d.model.LatLng; //导入依赖的package包/类
private void init(){
    Intent mIntent = getIntent();
    LatLng latLng = mIntent.getParcelableExtra("latLng");

    params = new HashMap();

    params.put("latLng",latLng);

    params.put("city",city_title);
    params.put("weather",city_weather);
    params.put("temperature",city_temperature);
    params.put("AQI",city_AQI);
    params.put("quality",city_quality);
    params.put("icon_weather",city_weather_icon);

    new NetworkRequest(params,handler).start();

    favorite_btn.setOnClickListener(this);
    back_btn.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            onBackPressed();
        }
    });
}
 

import com.amap.api.maps2d.model.LatLng; //导入依赖的package包/类
private void addMarker(LatLng latLng, String url) {
        AsyncImageView imageView = (AsyncImageView) LayoutInflater.from(this).inflate(R.layout.map_marker_view, null);
//        AsyncImageView imageView = (AsyncImageView) view.findViewById(R.id.icon);
        imageView.setResource(new Resource(url));

//        aMap.addMarker(new MarkerOptions().anchor(0.5f, 0.5f)
//                .position(new LatLng(30.679879, 104.064855)).title("成都市")
//                .snippet("成都市:30.679879, 104.064855").draggable(true));

        MarkerOptions markerOption = new MarkerOptions();
        markerOption.position(new LatLng(34.341568, 108.940174));
//        markerOption.title("西安市").snippet("西安市：34.341568, 108.940174");
//        markerOption.draggable(true);
//        markerOption.icon(BitmapDescriptorFactory.fromResource(R.drawable.rc_default_portrait));
        markerOption.icon(BitmapDescriptorFactory.fromView(imageView));
//        markerOption.icon(BitmapDescriptorFactory
//                .defaultMarker(BitmapDescriptorFactory.HUE_RED));


        Marker marker2 = aMap.addMarker(markerOption);
        // marker旋转90度
//        marker2.setRotateAngle(90);
    }
 

import com.amap.api.maps2d.model.LatLng; //导入依赖的package包/类
/**
 * 在地图上设置标记图标
 *
 * @param type 图标的样式
 */
private void setMark(int type, Post post) {

    if (type == OTHER_MARK) {
        myMarkOption = new MarkerOptions();
        //添加用户覆盖物
        LatLng postCurrentLatLng = new LatLng(post.getLatitude(), post.getLongitude());
        myMarkOption.anchor(0.5f, 0.5f).
                position(postCurrentLatLng).title(post.getUsername()).snippet(post.getTag() + "@@" + post.getAddress() + "@@" + post.getTime()).
                draggable(false).icon(BitmapDescriptorFactory.fromResource(R.drawable.marker_ic));
        myMark = aMap.addMarker(myMarkOption);

    } else {
        //暂时还没有设计用户定位图标
    }
}
 

import com.amap.api.maps2d.model.LatLng; //导入依赖的package包/类
@Override
public View getInfoWindow(final Marker marker) {
    View view = getLayoutInflater().inflate(R.layout.item_poikeywordsearch, null);
    TextView title = (TextView) view.findViewById(R.id.title);
    title.setText(marker.getTitle());

    TextView snippet = (TextView) view.findViewById(R.id.brief);
    snippet.setText(marker.getSnippet());
    ImageButton button = (ImageButton) view.findViewById(R.id.start_map_app);
    // 调起高德地图app
    button.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            String title1 = marker.getTitle();
            LatLng position1 = marker.getPosition();
            Toast.makeText(getApplication(), title1, Toast.LENGTH_SHORT).show();

            startURI(title1, position1.latitude, position1.longitude);
        }
    });
    return view;
}