转自高德地图、获取key
代码
package com.example.map;
import android.Manifest;
import android.os.Build;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import com.amap.api.location.AMapLocation;
import com.amap.api.location.AMapLocationClient;
import com.amap.api.location.AMapLocationClientOption;
import com.amap.api.location.AMapLocationListener;
import com.amap.api.maps.AMap;
import com.amap.api.maps.MapView;
import com.amap.api.maps.model.MyLocationStyle;
import com.amap.api.services.core.LatLonPoint;
import com.amap.api.services.route.BusRouteResult;
import com.amap.api.services.route.DriveRouteResult;
import com.amap.api.services.route.RideRouteResult;
import com.amap.api.services.route.RouteSearch;
import com.amap.api.services.route.WalkPath;
import com.amap.api.services.route.WalkRouteResult;
import java.text.SimpleDateFormat;
import java.util.Date;
import overlay.WalkRouteOverlay;
public class MainActivity extends AppCompatActivity{
private Button walk;
private Button ride;
private Button driver;
private Button bus;
private MapView mMapView;
private LatLonPoint latLonPoint;
private LatLonPoint latLonPoint2;
AMap aMap;
MyLocationStyle myLocationStyle;
//声明mlocationClient对象
public AMapLocationClient mlocationClient;
//声明mLocationOption对象
public AMapLocationClientOption mLocationOption = null;
private RouteSearch routeSearch;
private static final String TAG = "MainActivity";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
walk = (Button) findViewById(R.id.walk);
ride = (Button) findViewById(R.id.ride);
driver = (Button) findViewById(R.id.driver);
bus = (Button) findViewById(R.id.bus);
mMapView = (MapView) findViewById(R.id.map);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
requestPermissions(new String[]{Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION}, 101);
}
mMapView.onCreate(savedInstanceState);
if (aMap == null){
aMap = mMapView.getMap();
}
myLocationStyle = new MyLocationStyle();//初始化定位蓝点样式类myLocationStyle.myLocationType(MyLocationStyle.LOCATION_TYPE_LOCATION_ROTATE);//连续定位、且将视角移动到地图中心点,定位点依照设备方向旋转,并且会跟随设备移动。(1秒1次定位)如果不设置myLocationType,默认也会执行此种模式。
myLocationStyle.interval(2000); //设置连续定位模式下的定位间隔,只在连续定位模式下生效,单次定位模式下不会生效。单位为毫秒。
aMap.setMyLocationStyle(myLocationStyle);//设置定位蓝点的Style
//aMap.getUiSettings().setMyLocationButtonEnabled(true);设置默认定位按钮是否显示,非必需设置。
aMap.setMyLocationEnabled(true);// 设置为true表示启动显示定位蓝点,false表示隐藏定位蓝点并不进行定位,默认是false。
myLocationStyle.showMyLocation(true);//设置是否显示定位小蓝点,用于满足只想使用定位,不想使用定位小蓝点的场景,设置false以后图面上不再有定位蓝点的概念,但是会持续回调位置信息。
//定位
initlocation();
//路线规划
routeSearch = new RouteSearch(this);
routeSearch.setRouteSearchListener(new RouteSearch.OnRouteSearchListener() {
@Override
public void onBusRouteSearched(BusRouteResult busRouteResult, int i) {
}
@Override
public void onDriveRouteSearched(DriveRouteResult driveRouteResult, int i) {
}
@Override
public void onWalkRouteSearched(WalkRouteResult walkRouteResult, int i) {
if (i==1000){
if (walkRouteResult!=null&&walkRouteResult.getPaths()!=null&&walkRouteResult.getPaths().size()>0){
WalkPath walkPath = walkRouteResult.getPaths().get(0);
WalkRouteOverlay walkRouteOverlay = new WalkRouteOverlay(MainActivity.this,aMap,walkPath,walkRouteResult.getStartPos(),walkRouteResult.getTargetPos());
walkRouteOverlay.removeFromMap();
walkRouteOverlay.addToMap();
walkRouteOverlay.zoomToSpan();
}
}
}
@Override
public void onRideRouteSearched(RideRouteResult rideRouteResult, int i) {
}
});
walk.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
latLonPoint=new LatLonPoint(40.040639,116.299564);
latLonPoint2 = new LatLonPoint(40.080639,116.299564);
RouteSearch.FromAndTo fromAndTo = new RouteSearch.FromAndTo(latLonPoint,latLonPoint2);
RouteSearch.WalkRouteQuery query = new RouteSearch.WalkRouteQuery(fromAndTo, RouteSearch.WALK_DEFAULT);
routeSearch.calculateWalkRouteAsyn(query);//开始算路
}
});
ride.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
}
private void initlocation() {
mlocationClient = new AMapLocationClient(this);
//初始化定位参数
mLocationOption = new AMapLocationClientOption();
//设置定位监听
mlocationClient.setLocationListener(new AMapLocationListener() {
@Override
public void onLocationChanged(AMapLocation amapLocation) {
if (amapLocation != null) {
if (amapLocation.getErrorCode() == 0) {
//定位成功回调信息,设置相关消息
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
amapLocation.getLatitude();//获取纬度
amapLocation.getLongitude();//获取经度
Log.i(TAG, "onLocationChanged: "+amapLocation.getLatitude());
Log.i(TAG, "onLocationChanged: "+amapLocation.getLongitude());
amapLocation.getAccuracy();//获取精度信息
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date date = new Date(amapLocation.getTime());
df.format(date);//定位时间
} else {
//显示错误信息ErrCode是错误码,errInfo是错误信息,详见错误码表。
Log.e("AmapError","location Error, ErrCode:"
+ amapLocation.getErrorCode() + ", errInfo:"
+ amapLocation.getErrorInfo());
}
}
}
});
//设置定位模式为高精度模式,Battery_Saving为低功耗模式,Device_Sensors是仅设备模式
mLocationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy);
//设置定位间隔,单位毫秒,默认为2000ms
mLocationOption.setInterval(2000);
//设置定位参数
mlocationClient.setLocationOption(mLocationOption);
// 此方法为每隔固定时间会发起一次定位请求,为了减少电量消耗或网络流量消耗,
// 注意设置合适的定位时间的间隔(最小间隔支持为1000ms),并且在合适时间调用stopLocation()方法来取消定位请求
// 在定位结束后,在合适的生命周期调用onDestroy()方法
// 在单次定位情况下,定位无论成功与否,都无需调用stopLocation()方法移除请求,定位sdk内部会移除
//启动定位
mlocationClient.startLocation();
}
@Override
protected void onDestroy() {
super.onDestroy();
//在activity执行onDestroy时执行mMapView.onDestroy(),销毁地图
mMapView.onDestroy();
}
@Override
protected void onResume() {
super.onResume();
//在activity执行onResume时执行mMapView.onResume (),重新绘制加载地图
mMapView.onResume();
}
@Override
protected void onPause() {
super.onPause();
//在activity执行onPause时执行mMapView.onPause (),暂停地图的绘制
mMapView.onPause();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
//在activity执行onSaveInstanceState时执行mMapView.onSaveInstanceState (outState),保存地图当前的状态
mMapView.onSaveInstanceState(outState);
}
}
效果:
实现地图的展示
实现蓝点定位
实现路线