Android(安卓)获取经纬度。2018年写

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获取当前经纬度信息，显示到textView里
具体代码
1。添加权限 AndroidManifest.xml
MainActivity.java
package com.example.tnt.gps;import android.Manifest;import android.annotation.SuppressLint;import android.content.Context;import android.content.Intent;import android.content.pm.PackageManager;import android.location.Address;import android.location.Geocoder;import android.location.Location;import android.location.LocationListener;import android.location.LocationManager;import android.provider.Settings;import android.support.v4.app.ActivityCompat;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.widget.TextView;import android.widget.Toast;import java.io.IOException;import java.util.List;import java.util.Locale;public class MainActivity extends AppCompatActivity {    private LocationManager lm;    private TextView tv_show;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        tv_show = findViewById(R.id.tv_show);        lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);        if (!isGpsAble(lm)) {            Toast.makeText(MainActivity.this, "请打开GPS~", Toast.LENGTH_SHORT).show();            openGPS2();        }        //从GPS获取最近的定位信息        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {            // TODO: Consider calling            //    ActivityCompat#requestPermissions            // here to request the missing permissions, and then overriding            //   public void onRequestPermissionsResult(int requestCode, String[] permissions,            //                                          int[] grantResults)            // to handle the case where the user grants the permission. See the documentation            // for ActivityCompat#requestPermissions for more details.            return;        }        Location lc = lm.getLastKnownLocation(LocationManager.GPS_PROVIDER);        updateShow(lc);        //设置间隔两秒获得一次GPS定位信息        lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 2000, 8, new LocationListener() {            @Override            public void onLocationChanged(Location location) {                // 当GPS定位信息发生改变时，更新定位                updateShow(location);            }            @Override            public void onStatusChanged(String provider, int status, Bundle extras) {            }            @SuppressLint("MissingPermission")            @Override            public void onProviderEnabled(String provider) {                updateShow(lm.getLastKnownLocation(provider));            }            @Override            public void onProviderDisabled(String provider) {                updateShow(null);            }        });    }    private boolean isGpsAble(LocationManager lm){        return lm.isProviderEnabled(LocationManager.GPS_PROVIDER)? true:false;    }    //打开设置页面让用户自己设置    private void openGPS2() {        Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);        startActivityForResult(intent, 0);    }    //定义一个更新显示的方法    private void updateShow(Location location) {        if (location != null) {            StringBuilder sb = new StringBuilder();            sb.append("当前的位置信息：\n");            sb.append("经度：" + location.getLongitude() + "\n");            sb.append("纬度：" + location.getLatitude() + "\n");            sb.append("高度：" + location.getAltitude() + "\n");            sb.append("速度：" + location.getSpeed() + "\n");            sb.append("方向：" + location.getBearing() + "\n");            sb.append("定位精度：" + location.getAccuracy() + "\n");            tv_show.setText(sb.toString());        } else tv_show.setText("");    }}
最后界面效果：
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