//初始化实例 val locationClient = LocationClient(this) //可根据具体需求设置定位配置参数 val locationOption = locationClient.getLocationOption() .setAccuracy(Criteria.ACCURACY_FINE)//设置位置精度：高精度 .setMinTime(10000)//设置位置更新最小时间间隔（单位：毫秒）； 默认间隔：10000毫秒，最小间隔：1000毫秒 .setOnceLocation(false)//设置是否只定位一次，默认为 false，当设置为 true 时，则只定位一次后，会自动停止定位 //设置定位配置参数 locationClient.setLocationOption(locationOption) //---------------------------------- //设置定位监听 locationClient.setOnLocationListener(object: OnLocationListener(){ override fun onLocationChanged(location: Location) { //TODO 位置信息 } }) //---------------------------------- //开始定位（建议先校验是否有定位权限，然后开始定位） locationClient.startLocation() //---------------------------------- //停止定位 locationClient.stopLocation() 

class MainActivity : AppCompatActivity() { private val binding by lazy { ActivityMainBinding.inflate(layoutInflater) } private val locationClient by lazy { LocationClient(this) } private val geocoder by lazy { Geocoder(this) } private val simpleDateFormat by lazy { SimpleDateFormat("yyyy-MM-dd HH:mm:ss") } private var isPermissionGranted = false companion object{ const val TAG = "MainActivity" const val REQ_LOCATION_PERMISSION = 0x01 } override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(binding.root) binding.btnStartLocation.setOnClickListener { isPermissionGranted = checkLocationPermission() if(isPermissionGranted){ startLocation() }else{ ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.ACCESS_FINE_LOCATION), REQ_LOCATION_PERMISSION) } } binding.btnStopLocation.setOnClickListener { locationClient.stopLocation() binding.tvLocation.text = "" } binding.cbOnceLocation.setOnCheckedChangeListener { buttonView, isChecked -> locationClient.getLocationOption().setOnceLocation(isChecked) } binding.cbLastKnownLocation.setOnCheckedChangeListener { buttonView, isChecked -> locationClient.getLocationOption().setLastKnownLocation(isChecked) } //可根据具体需求设置定位配置参数（这里只列出一些主要的参数） val locationOption = locationClient.getLocationOption() .setAccuracy(Criteria.ACCURACY_FINE)//设置位置精度：高精度 .setPowerRequirement(Criteria.POWER_LOW) //设置电量消耗：低电耗 .setMinTime(10000)//设置位置更新最小时间间隔（单位：毫秒）； 默认间隔：10000毫秒，最小间隔：1000毫秒 .setMinDistance(0)//设置位置更新最小距离（单位：米）；默认距离：0米 .setOnceLocation(false)//设置是否只定位一次，默认为 false，当设置为 true 时，则只定位一次后，会自动停止定位 .setLastKnownLocation(true)//设置是否获取最后一次缓存的已知位置，默认为 true //设置定位配置参数 locationClient.setLocationOption(locationOption) //设置定位监听 locationClient.setOnLocationListener(object: OnLocationListener(){ override fun onLocationChanged(location: Location) { //位置信息 Log.d(TAG,"onLocationChanged(location = ${location})") val builder = StringBuilder() builder.append("Longitude: \t${location.longitude}\n") .append("Latitude: \t${location.latitude}\n") //根据坐标经纬度获取位置地址信息（WGS-84坐标系） val list = geocoder.getFromLocation(location.latitude,location.longitude,1) if(list.isNotEmpty()){ builder.append("Address: \t${list[0].getAddressLine(0)}\n") } builder.append("Time: \t${simpleDateFormat.format(Date(location.time))}\n") .append("Provider: \t${location.provider}\n") binding.tvLocation.text = builder.toString() } override fun onProviderEnabled(provider: String) { super.onProviderEnabled(provider) Log.d(TAG,"onProviderEnabled(provider = ${provider})") } override fun onProviderDisabled(provider: String) { super.onProviderDisabled(provider) Log.d(TAG,"onProviderDisabled(provider = ${provider})") } }) //设置异常监听 locationClient.setOnExceptionListener(object : OnExceptionListener{ override fun onException(@LocationErrorCode errorCode: Int, e: Exception) { //定位出现异常 Log.w(TAG,"onException(errorCode = ${errorCode}, e = ${e})") binding.tvLocation.text = e.message } }) } override fun onResume() { super.onResume() if(!isPermissionGranted){ if(checkLocationPermission()){ isPermissionGranted = true binding.tvLocation.text = "" } } } /**  * 开始定位  */ private fun startLocation(){ if(locationClient.isStarted()){//如果已经开始定位，则先停止定位 locationClient.stopLocation() } binding.tvLocation.text = "Start location..." locationClient.startLocation() } override fun onRequestPermissionsResult( requestCode: Int, permissions: Array<out String>, grantResults: IntArray ) { super.onRequestPermissionsResult(requestCode, permissions, grantResults) if(requestCode == REQ_LOCATION_PERMISSION){ isPermissionGranted = verifyPermissions(grantResults) if(isPermissionGranted){//已授权 startLocation() }else{//未授权 binding.tvLocation.text = "Location permission has not been granted." showMissingPermissionDialog() } } } /**  * 检测位置权限  */ private fun checkLocationPermission(): Boolean{ return ActivityCompat.checkSelfPermission(this,Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED } /**  * 校验授权结果  */ private fun verifyPermissions(grantResults: IntArray): Boolean{ for(result in grantResults){ if(result != PackageManager.PERMISSION_GRANTED){ return false } } return true } /**  * 显示未授权提示对话框  */ private fun showMissingPermissionDialog(){ val builder = AlertDialog.Builder(this) builder.setMessage("Location permission has not been granted.") .setNegativeButton("Cancel" ) { dialog, which -> } .setPositiveButton("Setting" ) { dialog, which -> startAppSettings() } builder.show() } /**  * 跳转到 App 的设置详情界面  */ private fun startAppSettings(){ val intent = Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS) intent.data = Uri.parse("package:${packageName}") startActivity(intent) } }