androID 定位的两种方式:GPS_PROVIDER and NETWORK_PROVIDER
定位的可以借助LocationManager来实现
MainActivity代码
static final String TAG = "MainActivity"; private TextVIEw locationTV; private LocationManager locationManager; private String provIDer; ArrayList<ContactModel> dataList = new ArrayList<ContactModel>(); @OverrIDe protected voID onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentVIEw(R.layout.activity_main);// initVIEw(); locationTV = (TextVIEw) findVIEwByID(R.ID.locaiton_tv); locationManager = (LocationManager) getSystemService(this.LOCATION_SERVICE); // 获取所有可用的位置提供器 List<String> provIDerList = locationManager.getProvIDers(true); if (provIDerList.contains(LocationManager.GPS_PROVIDER)) { provIDer = LocationManager.GPS_PROVIDER; } else if (provIDerList.contains(LocationManager.NETWORK_PROVIDER)) { provIDer = LocationManager.NETWORK_PROVIDER; } else { // 当没有可用的位置提供器时,d出Toast提示用户 Toast.makeText(this,"No location provIDer to use",Toast.LENGTH_SHORT).show(); return; } Location location = locationManager.getLastKNownLocation(provIDer); if (location != null) { // 显示当前设备的位置信息 showLocation(location); } if (ActivityCompat.checkSelfPermission(this,androID.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this,androID.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; } locationManager.requestLocationUpdates(provIDer,5000,1,locationListener); } private voID showLocation(Location location) { String currentposition = "latitude is " + location.getLatitude() + "\n"+ "longitude is " + location.getLongitude(); locationTV.setText(currentposition); } @OverrIDe protected voID onDestroy() { super.onDestroy(); if (locationManager != null) { if (ActivityCompat.checkSelfPermission(this,androID.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,// int[] grantResults) // to handle the case where the user grants the permission. See the documentation // for ActivityCompat#requestPermissions for more details. return; } // 关闭程序时将监听器移除 locationManager.removeUpdates(locationListener); } } LocationListener locationListener = new LocationListener() { @OverrIDe public voID onLocationChanged(Location location) { Toast.makeText(MainActivity.this,"onLocationChanged",Toast.LENGTH_SHORT).show(); } @OverrIDe public voID onStatusChanged(String s,int i,Bundle bundle) { Toast.makeText(MainActivity.this,"onStatusChanged",Toast.LENGTH_SHORT).show(); } @OverrIDe public voID onProvIDerEnabled(String s) { Toast.makeText(MainActivity.this,"onProvIDerEnabled",Toast.LENGTH_SHORT).show(); } @OverrIDe public voID onProvIDerDisabled(String s) { Toast.makeText(MainActivity.this,"onProvIDerDisabled",Toast.LENGTH_SHORT).show(); } };
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