Android百度SDK定位

62 阅读 0 评论 41 点赞

我是靠谱客的博主舒心冰淇淋，这篇文章主要介绍Android百度SDK定位，现在分享给大家，希望可以做个参考。

工程目录：
在这里插入图片描述
清单文件添加定位权限和百度地图SDK申请的key

复制代码

1
2
3
4
5
6
7
8
9
10
11
12
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
    <uses-permission android:name="android.permission.INTERNET" />

<service android:name="com.baidu.location.f" android:enabled="true" android:process=":remote"/>
        <meta-data
            android:name="com.baidu.lbsapi.API_KEY"
            android:value="iLSMCCxBik36vA2Gt16BLVgN0nDY1AHz"/>

MainActivity

复制代码

package com.example.experiment_ten;

import androidx.annotation.NonNull;
import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;

import android.Manifest;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;
import android.widget.Toast;

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.MapStatusUpdate;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.model.LatLng;

public class MainActivity extends AppCompatActivity {

LocationClient mLocationClient;
    MapView mapView;
    BaiduMap baiduMap;
    boolean isFirstLocate = true;

TextView tv_Lat;  //纬度
    TextView tv_Lon;  //经度
    TextView tv_Add;  //地址

@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

ActionBar bar = getSupportActionBar();
        if (bar != null) {
            bar.hide();
        }

//动态请求用户允许使用定位权限
        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, 1);
        }else {
            requestLocation();
        }
    }
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        switch (requestCode) {
            case 1:
                if (grantResults[0] != PackageManager.PERMISSION_GRANTED) {
                    Toast.makeText(this, "没有定位权限！", Toast.LENGTH_LONG).show();
                    finish();
                } else {
                    requestLocation();
                }
        }
    }
    private void requestLocation() {
        initLocation();
        mLocationClient.start();
    }
    private void initLocation() {
        mLocationClient = new LocationClient(getApplicationContext());
        mLocationClient.registerLocationListener(new MyLocationListener());
        SDKInitializer.initialize(getApplicationContext());
        setContentView(R.layout.activity_main);

mapView = findViewById(R.id.bmapView);
        baiduMap = mapView.getMap();
        tv_Lat = findViewById(R.id.tv_Lat);
        tv_Lon = findViewById(R.id.tv_Lon);
        tv_Add = findViewById(R.id.tv_Add);

LocationClientOption option = new LocationClientOption();
        option.setScanSpan(1000);
        //设置定位模式
        option.setLocationMode(LocationClientOption.LocationMode.Hight_Accuracy);
        /*option.setLocationMode(LocationClientOption.LocationMode.Battery_Saving);
        option.setLocationMode(LocationClientOption.LocationMode.Device_Sensors);*/
        option.setIsNeedAddress(true);
        mLocationClient.setLocOption(option);
    }
    private class MyLocationListener  implements BDLocationListener {
        @Override
        public void onReceiveLocation(BDLocation bdLocation) {
            tv_Lat.setText(bdLocation.getLatitude()+"");
            tv_Lon.setText(bdLocation.getLongitude()+"");
            tv_Add.setText(bdLocation.getAddrStr());
            if(bdLocation.getLocType()==BDLocation.TypeGpsLocation || bdLocation.getLocType()==BDLocation.TypeNetWorkLocation){
                navigateTo(bdLocation);
            }
        }
    }
    private void navigateTo(BDLocation bdLocation) {
        if(isFirstLocate){
            LatLng ll = new LatLng(bdLocation.getLatitude(),bdLocation.getLongitude());
            MapStatusUpdate update = MapStatusUpdateFactory.newLatLng(ll);
            baiduMap.animateMapStatus(update);
            isFirstLocate = false;
        }
    }
    @Override
    protected void onResume() {
        super.onResume();
        mapView.onResume();
    }
    @Override
    protected void onPause() {
        super.onPause();
        mapView.onResume();
    }
    @Override
    protected void onDestroy() {
        super.onDestroy();
        mLocationClient.stop();
        mapView.onDestroy();
    }
}

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
package com.example.experiment_ten;

import androidx.annotation.NonNull;
import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;

import android.Manifest;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;
import android.widget.Toast;

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.MapStatusUpdate;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.model.LatLng;

public class MainActivity extends AppCompatActivity {

    LocationClient mLocationClient;
    MapView mapView;
    BaiduMap baiduMap;
    boolean isFirstLocate = true;

    TextView tv_Lat;  //纬度
    TextView tv_Lon;  //经度
    TextView tv_Add;  //地址

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        ActionBar bar = getSupportActionBar();
        if (bar != null) {
            bar.hide();
        }

        //动态请求用户允许使用定位权限
        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, 1);
        }else {
            requestLocation();
        }
    }
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        switch (requestCode) {
            case 1:
                if (grantResults[0] != PackageManager.PERMISSION_GRANTED) {
                    Toast.makeText(this, "没有定位权限！", Toast.LENGTH_LONG).show();
                    finish();
                } else {
                    requestLocation();
                }
        }
    }
    private void requestLocation() {
        initLocation();
        mLocationClient.start();
    }
    private void initLocation() {
        mLocationClient = new LocationClient(getApplicationContext());
        mLocationClient.registerLocationListener(new MyLocationListener());
        SDKInitializer.initialize(getApplicationContext());
        setContentView(R.layout.activity_main);

        mapView = findViewById(R.id.bmapView);
        baiduMap = mapView.getMap();
        tv_Lat = findViewById(R.id.tv_Lat);
        tv_Lon = findViewById(R.id.tv_Lon);
        tv_Add = findViewById(R.id.tv_Add);

        LocationClientOption option = new LocationClientOption();
        option.setScanSpan(1000);
        //设置定位模式
        option.setLocationMode(LocationClientOption.LocationMode.Hight_Accuracy);
        /*option.setLocationMode(LocationClientOption.LocationMode.Battery_Saving);
        option.setLocationMode(LocationClientOption.LocationMode.Device_Sensors);*/
        option.setIsNeedAddress(true);
        mLocationClient.setLocOption(option);
    }
    private class MyLocationListener  implements BDLocationListener {
        @Override
        public void onReceiveLocation(BDLocation bdLocation) {
            tv_Lat.setText(bdLocation.getLatitude()+"");
            tv_Lon.setText(bdLocation.getLongitude()+"");
            tv_Add.setText(bdLocation.getAddrStr());
            if(bdLocation.getLocType()==BDLocation.TypeGpsLocation || bdLocation.getLocType()==BDLocation.TypeNetWorkLocation){
                navigateTo(bdLocation);
            }
        }
    }
    private void navigateTo(BDLocation bdLocation) {
        if(isFirstLocate){
            LatLng ll = new LatLng(bdLocation.getLatitude(),bdLocation.getLongitude());
            MapStatusUpdate update = MapStatusUpdateFactory.newLatLng(ll);
            baiduMap.animateMapStatus(update);
            isFirstLocate = false;
        }
    }
    @Override
    protected void onResume() {
        super.onResume();
        mapView.onResume();
    }
    @Override
    protected void onPause() {
        super.onPause();
        mapView.onResume();
    }
    @Override
    protected void onDestroy() {
        super.onDestroy();
        mLocationClient.stop();
        mapView.onDestroy();
    }
}

layout

复制代码

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

</androidx.constraintlayout.widget.ConstraintLayout>

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >
        <com.baidu.mapapi.map.MapView
            android:id="@+id/bmapView"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:clickable="true" />
        <LinearLayout
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:background="#D1A7A7A7"
            android:orientation="vertical" >
            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="12dp"
                android:layout_marginTop="20dp"
                android:orientation="horizontal" >
                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="纬度："
                    android:textColor="#000000"
                    android:textSize="15dp" />
                <TextView
                    android:id="@+id/tv_Lat"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text=""
                    android:textColor="#000000"
                    android:textSize="15dp" />
            </LinearLayout>
            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="12dp"
                android:layout_marginTop="10dp"
                android:orientation="horizontal" >
                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="经度："
                    android:textColor="#000000"
                    android:textSize="15dp" />
                <TextView
                    android:id="@+id/tv_Lon"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text=""
                    android:textColor="#000000"
                    android:textSize="15dp" />
            </LinearLayout>
            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginBottom="10dp"
                android:layout_marginLeft="12dp"
                android:layout_marginTop="10dp"
                android:orientation="horizontal" >
                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text="地址："
                    android:textColor="#000000"
                    android:textSize="15dp" />

                <TextView
                    android:id="@+id/tv_Add"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:text=""
                    android:textColor="#000000"
                    android:textSize="15dp" />
            </LinearLayout>
        </LinearLayout>
    </FrameLayout>

</androidx.constraintlayout.widget.ConstraintLayout>