Android to get the latitude and longitude of the current location

Android
Click the button to get the latitude and longitude of the current location
Update the latitude and longitude of the current location in a few seconds

https://upload-images.jianshu.io/upload_images/13225108-85f1bc5986906856.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240

Rights Profile

    <!-- 地址定位权限 -->
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

Main page layout:

<?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>

home page:

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");
        }
    }
}

Notice:

Phone location and network permissions may need to be manually enabled

。。。