Android之获取当前位置的经纬度

素颜马尾好姑娘i 2023-09-27 12:37 140阅读 0赞

Android之  
点击按钮获取当前位置的经纬度  
过几秒更新当前位置的经纬度

![0705939d609a449dbaa0ec0290afc61f.png][]

[https://upload-images.jianshu.io/upload\_images/13225108-85f1bc5986906856.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240][https_upload-images.jianshu.io_upload_images_13225108-85f1bc5986906856.png_imageMogr2_auto-orient_strip_7CimageView2_2_w_1240]

#### **权限配置** ####

<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
        <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

#### **主页面布局：** ####

<?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">
    
        <Button
            android:id="@+id/loctian_btn"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="点击按钮获取当前经纬度"
            tools:ignore="MissingConstraints" />
        <TextView
            android:id="@+id/loctian_btn_tv"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="点击按钮获取当前经纬度"
            tools:ignore="MissingConstraints" />
    
        <TextView
            android:id="@+id/loctian_tv"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="过几秒更新当前位置的经纬度"
            tools:ignore="MissingConstraints" />
    
    </LinearLayout>

**主页面：**

package com.ksxy.myapp;
    
    import androidx.appcompat.app.AppCompatActivity;
    
    import android.location.Location;
    import android.location.LocationListener;
    import android.location.LocationManager;
    import android.os.Bundle;
    import android.util.Log;
    import android.view.View;
    import android.widget.Button;
    import android.widget.TextView;
    
    
    /**
     * Android之获取当前位置的经纬度
     */
    public class LoctianActivity extends AppCompatActivity {
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_loctian);
    
            // 地址定位权限
            // <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/> 访问地址
            // <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/> 访问线路位置
    
            LocationManager mLocationManager = (LocationManager) getSystemService(LOCATION_SERVICE); // 位置
            Location mlocation = mLocationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER); // 网络
    
            Log.d("111111LoctianActivity>>", "mLocationManager>>:" + mLocationManager);
            Log.d("111111LoctianActivity>>", "mlocation>>:" + mlocation);
    
            // 点击按钮获取 经纬度
            Button loctianBtn = (Button) findViewById(R.id.loctian_btn);
            TextView loctianBtnTv = (TextView) findViewById(R.id.loctian_btn_tv);
            loctianBtn.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    // 每隔5秒 , 100米 的距离
                    Log.d("111111LoctianActivity>>", "点击按钮获取当前经纬度" + "经度:" + mlocation.getLongitude() + "纬度:" + mlocation.getLatitude());
                    loctianBtnTv.setText("点击按钮获取当前经纬度：" + "经度:" + mlocation.getLongitude() + "纬度:" + mlocation.getLatitude());
    
                }
            });
    
            // 求俩个经纬度的距离
            // float[] results=new float[3];
            // Location.distanceBetween(100, 200, 200, 400, results);
            // loctianTv.setText(results[0]+"米");
    
            // 每隔5秒  100 米的距离,更新当前位置
            mLocationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 5000, 100, new LocationListener() {
    
                //在用户禁用具有定位功能的硬件时被调用
                @Override
                public void onStatusChanged(String provider, int status, Bundle extras) {
                    // TODO Auto-generated method stub
    
                }
    
                // 位置服务可用
                // 在用户启动具有定位功能的硬件是被调用
                @Override
                public void onProviderEnabled(String provider) {
                    // TODO Auto-generated method stub
                    updateLocation(mLocationManager.getLastKnownLocation(provider));
                }
    
                //在提供定位功能的硬件状态改变是被调用
                @Override
                public void onProviderDisabled(String provider) {
                    // TODO Auto-generated method stub
                }
    
                // 位置改变
                // 在设备的位置改变时被调用
                @Override
                public void onLocationChanged(Location location) {
                    // TODO Auto-generated method stub
                    updateLocation(location);
                }
            });
        }
    
    
        private void updateLocation(Location mlocation) {
            TextView loctianTv = (TextView) findViewById(R.id.loctian_tv);
            // TODO Auto-generated method stub
            if (mlocation != null) {
                StringBuffer stringBuffer = new StringBuffer();
                stringBuffer.append("经度:" + mlocation.getLongitude());
                stringBuffer.append("纬度:" + mlocation.getLatitude());
                stringBuffer.append("海拔:" + mlocation.getAltitude());
                stringBuffer.append("速度:" + mlocation.getSpeed());
                stringBuffer.append("方向:" + mlocation.getBearing());
                loctianTv.setText("过几秒更新当前位置的经纬度：" + stringBuffer.toString());
    
                Log.d("111111LoctianActivity>>", "stringBuffer:" + stringBuffer.toString());
            } else {
                loctianTv.setText("正在获取位置信息");
            }
        }
    }

#### **注意：** ####

手机定位和网络权限可能要手动打开

。。。

[0705939d609a449dbaa0ec0290afc61f.png]: https://img-blog.csdnimg.cn/0705939d609a449dbaa0ec0290afc61f.png
[https_upload-images.jianshu.io_upload_images_13225108-85f1bc5986906856.png_imageMogr2_auto-orient_strip_7CimageView2_2_w_1240]: https://upload-images.jianshu.io/upload_images/13225108-85f1bc5986906856.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240