运行效果图：
manifests：
1 <?xml version="1.0" encoding="utf-8"?> 2 <manifest xmlns:android="http://schemas.android.com/apk/res/android" 3 package="com.mingrisoft.getgps"> 4 5 <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/> 6 <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/> 7 8 <application 9 android:allowBackup="true" 10 android:icon="@mipmap/ic_launcher" 11 android:label="@string/app_name" 12 android:roundIcon="@mipmap/ic_launcher_round" 13 android:supportsRtl="true" 14 android:theme="@style/AppTheme"> 15 <activity android:name=".MainActivity"> 16 <intent-filter> 17 <action android:name="android.intent.action.MAIN" /> 18 19 <category android:name="android.intent.category.LAUNCHER" /> 20 </intent-filter> 21 </activity> 22 </application> 23 24 </manifest>
activity_main.xml：
1 <?xml version="1.0" encoding="utf-8"?> 2 <android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 xmlns:app="http://schemas.android.com/apk/res-auto" 4 xmlns:tools="http://schemas.android.com/tools" 5 android:layout_width="match_parent" 6 android:layout_height="match_parent" 7 tools:context=".MainActivity"> 8 9 <TextView 10 android:id="@+id/location" 11 android:layout_width="wrap_content" 12 android:layout_height="wrap_content" 13 android:text="Hello World!" 14 app:layout_constraintBottom_toBottomOf="parent" 15 app:layout_constraintLeft_toLeftOf="parent" 16 app:layout_constraintRight_toRightOf="parent" 17 app:layout_constraintTop_toTopOf="parent" /> 18 19 </android.support.constraint.ConstraintLayout>
MainActivity：
1 package com.mingrisoft.getgps; 2 3 import android.Manifest; 4 import android.app.Activity; 5 import android.content.pm.PackageManager; 6 import android.location.Location; 7 import android.location.LocationListener; 8 import android.location.LocationManager; 9 import android.os.Build; 10 import android.support.v4.app.ActivityCompat; 11 import android.support.v4.content.ContextCompat; 12 import android.support.v7.app.AppCompatActivity; 13 import android.os.Bundle; 14 import android.view.WindowManager; 15 import android.widget.TextView; 16 import android.widget.Toast; 17 18 import java.text.SimpleDateFormat; 19 import java.util.Date; 20 21 public class MainActivity extends Activity { 22 private TextView text; //定义用于显示LocationProvider的TextView组件 23 24 @Override 25 public void onCreate(Bundle savedInstanceState) { 26 super.onCreate(savedInstanceState); 27 setContentView(R.layout.activity_main); 28 getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, 29 WindowManager.LayoutParams.FLAG_FULLSCREEN); //设置全屏显示 30 31 text = (TextView) findViewById(R.id.location); //获取显示Location信息的TextView组件 32 //获取系统的LocationManager对象 33 LocationManager locationManager = (LocationManager) getSystemService(LOCATION_SERVICE); 34 35 // 要申请的权限 数组 可以同时申请多个权限 36 String[] permissions = {Manifest.permission.ACCESS_COARSE_LOCATION}; 37 if (Build.VERSION.SDK_INT >= 23) { 38 //如果超过6.0才需要动态权限，否则不需要动态权限 39 //如果同时申请多个权限，可以for循环遍历 40 int check = ContextCompat.checkSelfPermission(this, permissions[0]); 41 // 权限是否已经 授权 GRANTED---授权 DINIED---拒绝 42 if (!(check == PackageManager.PERMISSION_GRANTED)) { 43 //写入你需要权限才能使用的方法 44 Toast.makeText(MainActivity.this, "请开启定位权限和GPS！", Toast.LENGTH_LONG).show(); 45 } 46 } 47 48 //添加权限检查 49 if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { 50 // TODO: Consider calling 51 // ActivityCompat#requestPermissions 52 // here to request the missing permissions, and then overriding 53 // public void onRequestPermissionsResult(int requestCode, String[] permissions, 54 // int[] grantResults) 55 // to handle the case where the user grants the permission. See the documentation 56 // for ActivityCompat#requestPermissions for more details. 57 return; 58 } 59 //设置每一秒获取一次location信息 60 locationManager.requestLocationUpdates( 61 LocationManager.GPS_PROVIDER, //GPS定位提供者 62 1000, //更新数据时间为1秒 63 1, //位置间隔为1米 64 //位置监听器 65 new LocationListener() { //GPS定位信息发生改变时触发，用于更新位置信息 66 67 @Override 68 public void onLocationChanged(Location location) { 69 //GPS信息发生改变时，更新位置 70 locationUpdates(location); 71 } 72 73 @Override 74 //位置状态发生改变时触发 75 public void onStatusChanged(String provider, int status, Bundle extras) { 76 } 77 78 @Override 79 //定位提供者启动时触发 80 public void onProviderEnabled(String provider) { 81 } 82 83 @Override 84 //定位提供者关闭时触发 85 public void onProviderDisabled(String provider) { 86 } 87 }); 88 //从GPS获取最新的定位信息 89 Location location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER); 90 locationUpdates(location); //将最新的定位信息传递给创建的locationUpdates()方法中 91 } 92 93 public void locationUpdates (Location location){ //获取指定的查询信息 94 //如果location不为空时 95 if (location != null) { 96 StringBuilder stringBuilder = new StringBuilder(); //使用StringBuilder保存数据 97 //获取经度、纬度、等属性值 98 stringBuilder.append("您的位置信息：\n"); 99 stringBuilder.append("经度："); 100 stringBuilder.append(location.getLongitude()); 101 stringBuilder.append("\n纬度："); 102 stringBuilder.append(location.getLatitude()); 103 text.setText(stringBuilder); //显示获取的信息 104 } else { 105 //否则输出空信息 106 text.setText("没有获取到GPS信息"); 107 } 108 } 109 }