高德地图能获取到经纬度,但不能将地图移动到定位点,

package com.example.zengyue.gould_map;

import android.app.Activity;
import android.content.Intent;
import android.icu.text.SimpleDateFormat;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.RequiresApi;
import android.util.Log;
import android.view.Window;
import android.widget.Toast;

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.maps2d.AMap;
import com.amap.api.maps2d.CameraUpdateFactory;
import com.amap.api.maps2d.LocationSource;
import com.amap.api.maps2d.MapView;
import com.amap.api.maps2d.UiSettings;
import com.amap.api.maps2d.model.LatLng;

import java.util.Date;

public class MainActivity extends Activity implements LocationSource,AMapLocationListener{

//AMap是地图对象
private AMap aMap;
private MapView mMapView;
//声明AMapLocationClient类对象,定位发起端
private AMapLocationClient mLocationClient = null;
//声明mLocationOption对象,定位参数
public AMapLocationClientOption mLocationOption = null;
//声明mListener对象,定位监听器
private OnLocationChangedListener mListener = null;
//标识,用于判断是否只显示一次定位信息和用户重新定位
private boolean isFirstLoc = true;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.activity_main);
    //获取地图控件
    mMapView= (MapView) findViewById(R.id.map);
    //创建地图
    mMapView.onCreate(savedInstanceState);//重写
    if (aMap==null){
        aMap =mMapView.getMap();
        //设置显示定位按钮 并且可以点击
        UiSettings settings = aMap.getUiSettings();
        aMap.setLocationSource(this);//设置了定位的监听
        // 是否显示定位按钮
        settings.setMyLocationButtonEnabled(true);
        aMap.setMyLocationEnabled(true);//显示定位层并且可以触发定位,默认是flase
    }
    //开始定位
    location();
}

private void location() {
    //初始化定位
    mLocationClient = new AMapLocationClient(getApplicationContext());

    //初始化定位参数
    mLocationOption = new AMapLocationClientOption();
    //设置是否返回地址信息(默认返回地址信息)
    mLocationOption.setNeedAddress(true);
    //设置定位模式为Hight_Accuracy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);

// //设置是否只定位一次,默认为false
// mLocationOption.setOnceLocation(false);
// //设置是否强制刷新WIFI,默认为强制刷新
// mLocationOption.setWifiActiveScan(true);
// //设置是否允许模拟位置,默认为false,不允许模拟位置
// mLocationOption.setMockEnable(true);
//设置定位间隔,单位毫秒,默认为2000ms
mLocationOption.setInterval(2000);
//给定位客户端对象设置定位参数
mLocationClient.setLocationOption(mLocationOption);
//启动定位
mLocationClient.startLocation();
//设置定位回调监听
mLocationClient.setLocationListener(this);
}

@Override
protected void onResume() {
    super.onResume();
    //重新绘制加载地图
    mMapView.onResume();
}

@Override
protected void onPause() {
    super.onPause();
    //暂停地图的绘制
    mMapView.onResume();
}

@Override
protected void onDestroy() {
    super.onDestroy();
    //销毁地图
    mMapView.onDestroy();
    mLocationClient.stopLocation();//停止定位
    mLocationClient.onDestroy();//销毁定位客户端。
}

@Override
protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    //保存地图的当前状态
    mMapView.onSaveInstanceState(outState);
}

@RequiresApi(api = Build.VERSION_CODES.N)
@Override
public void onLocationChanged(AMapLocation aMapLocation) {
    Log.i("ttt",">>>>>>>>>>1");
    if (aMapLocation != null) {
        Log.i("ttt",">>>>>>>>>>2");
        if (aMapLocation.getErrorCode() == 0) {
            Log.i("ttt",">>>>>>>>>>"+aMapLocation.getLatitude()+">>>>>>>>>"+//获取纬度
            aMapLocation.getLongitude());
            //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,详见官方定位类型表
            aMapLocation.getLatitude();//获取纬度
            aMapLocation.getLongitude();//获取经度
            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
            aMapLocation.getAddress();//地址,如果option中设置isNeedAddress为false,则没有此结果,网络定位结果中会有地址信息,GPS定位不返回地址信息。
            aMapLocation.getCountry();//国家信息
            aMapLocation.getProvince();//省信息
            aMapLocation.getCity();//城市信息
            aMapLocation.getDistrict();//城区信息
            aMapLocation.getStreet();//街道信息
            aMapLocation.getStreetNum();//街道门牌号信息
            aMapLocation.getCityCode();//城市编码
            aMapLocation.getAdCode();//地区编码
            Log.i("ttt",aMapLocation.getCountry().toString()+aMapLocation.getProvince().toString()+aMapLocation.getCity().toString()+aMapLocation.getDistrict().toString()+aMapLocation.getStreet().toString());
            // 如果不设置标志位,此时再拖动地图时,它会不断将地图移动到当前的位置
            if (isFirstLoc) {
                //设置缩放级别
                aMap.moveCamera(CameraUpdateFactory.zoomTo(17));
                //将地图移动到定位点
                aMap.moveCamera(CameraUpdateFactory.changeLatLng(new LatLng(aMapLocation.getLatitude(), aMapLocation.getLongitude())));
                //点击定位按钮 能够将地图的中心移动到定位点
                mListener.onLocationChanged(aMapLocation);
                //添加图钉
                //  aMap.addMarker(getMarkerOptions(amapLocation));
                //获取定位信息
                StringBuffer buffer = new StringBuffer();
                buffer.append(aMapLocation.getCountry() + ""
                        + aMapLocation.getProvince() + ""
                        + aMapLocation.getCity() + ""
                        + aMapLocation.getProvince() + ""
                        + aMapLocation.getDistrict() + ""
                        + aMapLocation.getStreet() + ""
                        + aMapLocation.getStreetNum());
                Toast.makeText(getApplicationContext(), buffer.toString(), Toast.LENGTH_LONG).show();
                isFirstLoc = false;
                Log.i("ttt",buffer.toString());
            }


        } 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());
            Toast.makeText(getApplicationContext(), "定位失败", Toast.LENGTH_LONG).show();
        }
    }
}

//激活定位
@Override
public void activate(OnLocationChangedListener onLocationChangedListener) {
    mListener=onLocationChangedListener;

}

//停止定位
@Override
public void deactivate() {
    mListener=null;

}

}

 <?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.zengyue.gould_map">



    <!--用于进行网络定位-->
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission>
    <!--用于访问GPS定位-->
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
    <!--用于获取运营商信息,用于支持提供运营商信息相关的接口-->
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
    <!--用于访问wifi网络信息,wifi信息会用于进行网络定位-->
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>
    <!--用于获取wifi的获取权限,wifi信息会用来进行网络定位-->
    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission>
    <!--用于访问网络,网络定位需要上网-->
    <uses-permission android:name="android.permission.INTERNET"></uses-permission>
    <!--用于读取手机当前的状态-->
    <uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>
    <!--用于写入缓存数据到扩展存储卡-->
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
    <!--用于申请调用A-GPS模块-->
    <uses-permission android:name="android.permission.ACCESS_LOCATION_EXTRA_COMMANDS"></uses-permission>
    <!--用于申请获取蓝牙信息进行室内定位-->
    <uses-permission android:name="android.permission.BLUETOOTH"></uses-permission>
    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"></uses-permission>

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <service android:name="com.amap.api.location.APSService"/>
        <meta-data
            android:name="com.amap.api.v2.apikey"
            android:value="c0fede08d244f741d053af1396317383"
            />

        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.zengyue.gould_map.MainActivity">
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent">

</com.amap.api.maps2d.MapView>

1个回答

兄弟,你这个有点猛啊

zytm123
zytm123 大哥知道吗?
3 年多之前 回复
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