Android implementation Baidu Map app

Based on Baidu API

Copy

<com.baidu.mapapi.map.MapView      android:id="@+id/bmapView"      android:layout_width="fill_parent"      android:layout_height="fill_parent"      android:clickable="true" />

The variable to be defined

private BaiduMap mBaiduMap;    private MapView mMapView;    private LocationClient mLocationClient;    privatebooleantrue;

Initialization

mMapView= (MapView) findViewById(R.id.bmapView);        mBaiduMap = mMapView.getMap();

Features implemented in each section
1.

//在使用SDK各组件之前初始化context信息，传入ApplicationContext          //注意该方法要再setContentView方法之前实现          SDKInitializer.initialize(getApplicationContext());  

Binds the life cycle of the map and the life cycle of the activity

@Override    protected void OnStart() {Super. OnStart (); Mbaidumap.setmylocationenabled (true);if(!mlocationclient.isstarted ()) Mlocationclient.start (); }@Override    protected void OnStop() {//TODO auto-generated method stub        Super. OnStop (); }@Override    protected void OnDestroy() {//TODO auto-generated method stub        Super. OnDestroy ();    Mmapview.ondestroy (); }@Override      protected void Onresume() {Super. Onresume ();//Perform mmapview when activity executes Onresume. Onresume () for map life cycle managementMmapview.onresume (); }@Override      protected void OnPause() {Super. OnPause ();//Perform mmapview when activity executes OnPause. OnPause () for map life cycle managementMmapview.onpause (); }

Implementing option Click to convert map mode

 @Override  public  boolean              Oncreateoptionsmenu  (Menu menu) {//TODO auto-generated Method stub  Menu.add (0 , 1 , 0,  "general map" ); Menu.add (0 , 2 , 0            ,  "satellite map" ); Menu.add (0 , 3 , 0            , ); return                  super . Oncreateoptionsmenu (menu); }

Set option's Click event

@Override         Public Boolean onoptionsitemselected(MenuItem Item) {Switch(Item.getitemid ()) { Case 1://General mapMbaidumap.setmaptype (Baidumap.map_type_normal); Break; Case 2://Satellite mapMbaidumap.setmaptype (Baidumap.map_type_satellite); Break; Case 3:if(Mbaidumap.istrafficenabled ()) {mbaidumap.settrafficenabled (false); Item.settitle ("Real-time traffic (off)"); }Else{mbaidumap.settrafficenabled (true); Item.settitle ("Live Traffic (on)"); } Break; }return Super. onoptionsitemselected (item); }

Add markers on the map

//定义Maker坐标点          point = new LatLng(39.963175116.400244);          //构建Marker图标          BitmapDescriptor bitmap = BitmapDescriptorFactory              .fromResource(R.drawable.ic_launcher);          //构建MarkerOption，用于在地图上添加Marker          option = new MarkerOptions()              .position(point)              .icon(bitmap);          //在地图上添加Marker，并显示          mBaiduMap.addOverlay(option);         

Set up GPS positioning
The class to use
Locationclient
Bdlocationlistener

(1)

new MyLocationListener();       new LocationClient(getApplicationContext());     //声明LocationClient类        mLocationClient.registerLocationListener(myLocationListener);    //注册监听函数  

(2) using Locationclientoption to set positioning properties

option = new LocationClientOption();        option.setLocationMode(LocationMode.Hight_Accuracy);//设置定位模式        option.setCoorType("bd09ll");//返回的定位结果是百度经纬度,默认值gcj02        option.setScanSpan(1000);//设置发起定位请求的间隔时间为5000ms        option.setIsNeedAddress(true);//返回的定位结果包含地址信息        option.setNeedDeviceDirect(true);//返回的定位结果包含手机机头的方向        mLocationClient.setLocOption(option);

(3) Implementation of the listener

    Private  class Mylocationlistener implements Bdlocationlistener{            @Override             Public void onreceivelocation(bdlocation location) {//TODO auto-generated method stubMylocationdata data =NewMylocationdata.builder ()//Set latitude and longitude. Accuracy (Location.getradius ()). Latitude (Location.getlatitude ()). Longitude (Location.getlon                Gitude ()). build (); Mbaidumap.setmylocationdata (data);//Judging the first entry, locate the current location            if(Isfirstin) {LATLNG LATLNG =NewLATLNG (Location.getlatitude (), Location.getlongitude ());                Mapstatusupdate MSU =MAPSTATUSUPDATEFACTORY.NEWLATLNG (LATLNG);                Mbaidumap.animatemapstatus (MSU); Toast.maketext (Getapplicationcontext (), Location.getaddrstr (), the). Show (); Isfirstin =false; }                       }          }

The permissions that you want to add

    <!--This permission is used for network positioning --<uses-permission android:name="Android.permission.ACCESS_COARSE_LOCATION"> </uses-permission><!--this permission to access GPS location --<uses-permission android:name="Android.permission.ACCESS_FINE_LOCATION" ></uses-permission><!--used to access WiFi network information, WiFi information is used for network location--<uses-permission android:name="Android.permission.ACCESS_WIFI_STATE"></uses-permission><!--get carrier information to support interfaces that provide operator information--<uses-permission android:name="Android.permission.ACCESS_NETWORK_STATE"> </uses-permission><!--this permission to get access to WiFi, WiFi information is used for network location --<uses-permission android:name="Android.permission.CHANGE_WIFI_STATE"></uses-permission><!--to read the current state of the phone--<uses-permission android:name="Android.permission.READ_PHONE_STATE"> </uses-permission><!--write extended storage, write data to the expansion card for writing offline location data- -<uses-permission android:name="Android.permission.WRITE_EXTERNAL_STORAGE"> </uses-permission><!--access network, network location needs internet--<uses-permission android:name="Android.permission.INTERNET" /><!--SD card read access, user writes offline location data--<uses-permission android:name="Android.permission.MOUNT_UNMOUNT_FILESYSTEMS" ></uses-permission><!--allows applications to read low-level system log files --<uses-permission android:name="Android.permission.READ_LOGS"></uses-permission>    <uses-permission android:name="Android.permission.GET_ACCOUNTS" />     <uses-permission android:name="Android.permission.USE_CREDENTIALS" / >    <uses-permission android:name="Android.permission.MANAGE_ACCOUNTS" />    <uses-permission android:name="Android.permission.AUTHENTICATE_ACCOUNTS" />     <uses-permission android:name="Android.permission.ACCESS_NETWORK_STATE" / >    <uses-permission android:name="Android.permission.INTERNET" />    <uses-permission android:name="Com.android.launcher.permission.READ_SETTINGS" />    <uses-permission android:name="Android.permission.CHANGE_WIFI_STATE" />     <uses-permission android:name="Android.permission.ACCESS_WIFI_STATE" />     <uses-permission android:name="Android.permission.READ_PHONE_STATE" / >    <uses-permission android:name="Android.permission.WRITE_EXTERNAL_STORAGE" / >    <uses-permission android:name="Android.permission.BROADCAST_STICKY" />    <uses-permission android:name="Android.permission.WRITE_SETTINGS" /> 

The application to be declared in the

<meta-data            android:name="com.baidu.lbsapi.API_KEY"            android:value="OSzBVaOV08hT2o7yNBIq4NFS" />        <service android:name="com.baidu.location.f" android:enabled="true" android:process=":remote">    </service>

Android implementation Baidu Map app