package com.jerehedu.administrator.baidumapapplication;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;

import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
 
import com.baidu.location.LocationClientOption;
import com.baidu.mapapi.SDKInitializer;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.BitmapDescriptor;
import com.baidu.mapapi.map.BitmapDescriptorFactory;
import com.baidu.mapapi.map.MapStatusUpdate;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
 
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.MyLocationConfigeration;
import com.baidu.mapapi.map.MyLocationData;
import com.baidu.mapapi.model.LatLng;


public class MainActivity extends Activity {
    private MapView mMapView;
    private LocationClient locationClient;
    
 
private BaiduMap baiduMap;
    private boolean firstLocation;
    private BitmapDescriptor mCurrentMarker;
    private MyLocationConfigeration config;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        //此方法要再setContentView方法之前實現
        SDKInitializer.initialize(getApplicationContext());
        setContentView(R.layout.activity_main);
        mMapView =(MapView)findViewById(R.id.baiDuMv);
        baiduMap = mMapView.getMap();
        MapStatusUpdate msu = MapStatusUpdateFactory.zoomTo(15f);
        baiduMap.setMapStatus(msu);
        // 定位初始化
        locationClient = new LocationClient(this);
        firstLocation =true;
        // 設定定位的相關配置
        LocationClientOption option = new LocationClientOption();
        option.setLocationMode(LocationClientOption.LocationMode.Hight_Accuracy);
        option.setOpenGps(true);
        option.setCoorType("bd09ll"); // 設定座標型別
        option.setScanSpan(1000);
        locationClient.setLocOption(option);

        // 設定自定義圖示
        BitmapDescriptor myMarker = BitmapDescriptorFactory
                .fromResource(R.drawable.navi_map);
        MyLocationConfigeration config = new MyLocationConfigeration(
                MyLocationConfigeration.LocationMode.FOLLOWING, true, myMarker);


        locationClient.registerLocationListener(new BDLocationListener() {
            @Override
            public void onReceiveLocation(BDLocation location) {
                // map view 銷燬後不在處理新接收的位置
                if (location == null || mMapView == null)
                    return;
                // 構造定位資料
                MyLocationData locData = new MyLocationData.Builder()
                        .accuracy(location.getRadius())
                         // 此處設定開發者獲取到的方向資訊，順時針0-360
                        .direction(100).latitude(location.getLatitude())
                        .longitude(location.getLongitude()).build();
                // 設定定位資料
                baiduMap.setMyLocationData(locData);

                // 第一次定位時，將地圖位置移動到當前位置
                if (firstLocation)
                {
                    firstLocation = false;
                    LatLng xy = new LatLng(location.getLatitude(),
                            location.getLongitude());
                    MapStatusUpdate status = MapStatusUpdateFactory.newLatLng(xy);
                    baiduMap.animateMapStatus(status);
                }
            }
        });
    }
    @Override
    protected void onStart()
    {
        // 如果要顯示位置圖示,必須先開啟圖層定位
        baiduMap.setMyLocationEnabled(true);
        if (!locationClient.isStarted())
        {
            locationClient.start();
        }
        super.onStart();
    }

    @Override
    protected void onStop()
    {
        // 關閉圖層定位
        baiduMap.setMyLocationEnabled(false);
        locationClient.stop();
        super.onStop();
    }

    @Override
    protected void onDestroy()
    {
        super.onDestroy();
        // 在activity執行onDestroy時執行mMapView.onDestroy()
        mMapView.onDestroy();
        mMapView = null;
    }

    @Override
    protected void onResume()
    {
        super.onResume();
        // 在activity執行onResume時執行mMapView. onResume ()
        mMapView.onResume();
    }

    @Override
    protected void onPause()
    {
        super.onPause();
        // 在activity執行onPause時執行mMapView. onPause ()
        mMapView.onPause();
    }

}