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Android 系统定位和高德定位

系统定位

工具类

public class LocationUtils {public static final int REQUEST_LOCATION = 0xa1;/*** 判断定位服务是否开启*/public static boolean isOpenLocationServer(Context context) {int locationMode = 0;try {locationMode = Settings.Secure.getInt(context.getContentResolver(), Settings.Secure.LOCATION_MODE);} catch (Settings.SettingNotFoundException e) {e.printStackTrace();return false;}return locationMode != Settings.Secure.LOCATION_MODE_OFF;}/*** 判断GPS是否可用*/public static boolean isGPSEnabled(Context context) {LocationManager manager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);return manager.isProviderEnabled(LocationManager.GPS_PROVIDER);}/*** 判断定位是否可用*/public static boolean isLocationEnabled(Context context) {LocationManager manager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);return manager.isProviderEnabled(LocationManager.NETWORK_PROVIDER) || manager.isProviderEnabled(LocationManager.GPS_PROVIDER);}/*** 开启位置服务*/public static void openLocation(Activity activity) {activity.startActivityForResult(new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS), REQUEST_LOCATION);}/*** 开启位置服务*/public static void openLocation(Fragment fragment) {fragment.startActivityForResult(new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS), REQUEST_LOCATION);}}

封装LocationManager

public class LocationHelper {private static OnLocationChangeListener mOnLocationChangeListener;private static MyLocationListener mLocationListener;private static LocationManager mLocationManager;private static String mProvider;/*** 注册*/public static void registerLocation(Context context, @Nullable OnLocationChangeListener listener) {mOnLocationChangeListener = listener;mLocationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);mProvider = mLocationManager.getBestProvider(getCriteria(), true);Location lastKnownLocation = mLocationManager.getLastKnownLocation(mProvider);if (listener != null && lastKnownLocation != null) {listener.onLastKnownLocation(lastKnownLocation);}mLocationListener = new MyLocationListener();startLocation();}/*** 开始定位*/public static void startLocation() {// 第二个参数：更新定位的时间间隔，第三个参数：更新定位的距离范围mLocationManager.requestLocationUpdates(mProvider, 0, 0, mLocationListener);}/*** 停止定位*/public static void stopLocation() {mLocationManager.removeUpdates(mLocationListener);}/*** 设置定位参数** @return {@link Criteria}*/private static Criteria getCriteria() {Criteria criteria = new Criteria();// 设置定位精确度 Criteria.ACCURACY_COARSE比较粗略，Criteria.ACCURACY_FINE则比较精细criteria.setAccuracy(Criteria.ACCURACY_FINE);// 设置是否要求速度criteria.setSpeedRequired(false);// 设置是否允许运营商收费criteria.setCostAllowed(false);// 设置是否需要方位信息criteria.setBearingRequired(false);// 设置是否需要海拔信息criteria.setAltitudeRequired(false);// 设置对电源的需求criteria.setPowerRequirement(Criteria.POWER_LOW);return criteria;}/*** 取消注册*/public static void unregisterLocation() {if (mLocationManager != null) {if (mLocationListener != null) {mLocationManager.removeUpdates(mLocationListener);}}mLocationManager = null;mLocationListener = null;mOnLocationChangeListener = null;}public interface OnLocationChangeListener {void onLastKnownLocation(Location location);void onLocationChanged(Location location);}public static class MyLocationListener implements LocationListener {@Overridepublic void onLocationChanged(@NonNull Location location) {if (mOnLocationChangeListener != null) {mOnLocationChangeListener.onLocationChanged(location);}}}
}

public class LocationService extends Service {public static void actionStart(Context context) {context.startService(new Intent(context, LocationService.class));}public static void actionStop(Context context) {context.stopService(new Intent(context, LocationService.class));}@SuppressLint("MissingPermission")@Overridepublic void onCreate() {super.onCreate();new Thread(() -> {Looper.prepare();LocationHelper.registerLocation(getApplicationContext(), new LocationHelper.OnLocationChangeListener() {@Overridepublic void onLastKnownLocation(Location location) {if (location != null) {Log.e("TAG", "onLastKnownLocation= " + location);}}@Overridepublic void onLocationChanged(Location location) {if (location != null) {Log.e("TAG", "onLocationChanged= " + location);stopSelf();}}});Looper.loop();}).start();}@Nullable@Overridepublic IBinder onBind(Intent intent) {return null;}@Overridepublic void onDestroy() {super.onDestroy();LocationHelper.unregisterLocation();}
}

使用

// 开始定位
LocationService.actionStart(MainActivity.this, "start");// 停止定位
LocationService.actionStart(MainActivity.this, "stop");// 单次定位
LocationService.actionStart(MainActivity.this, "once");

高德定位

封装高德地图

public class GDLocationHelper {private static AMapLocationClient locationClient;private static OnLocationChangeListener mOnLocationChangeListener;private static MyLocationListener mListener;public static void register(Context context, @Nullable OnLocationChangeListener onLocationChangeListener) {mOnLocationChangeListener = onLocationChangeListener;initLocation(context);}private static void initLocation(Context context) {locationClient = new AMapLocationClient(context);AMapLocation lastKnownLocation = locationClient.getLastKnownLocation();if (lastKnownLocation != null && mOnLocationChangeListener != null) {mOnLocationChangeListener.onLastKnownLocation(lastKnownLocation);}// 设置定位监听mListener = new MyLocationListener();locationClient.setLocationListener(mListener);}public static void startLocation() {locationClient.stopLocation();locationClient.setLocationOption(getDefaultOption(false));locationClient.startLocation();}public static void startOnceLocation() {locationClient.stopLocation();locationClient.setLocationOption(getDefaultOption(true));locationClient.startLocation();}public static void stopLocation() {locationClient.stopLocation();}public static void unregister() {stopLocation();locationClient.onDestroy();locationClient = null;mOnLocationChangeListener = null;mListener = null;}public static AMapLocationClientOption getDefaultOption(boolean isOnce) {AMapLocationClientOption mOption = new AMapLocationClientOption();mOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy);//可选，设置定位模式，可选的模式有高精度、仅设备、仅网络。默认为高精度模式
//        mOption.setGpsFirst(false);//可选，设置是否gps优先，只在高精度模式下有效。默认关闭
//        mOption.setHttpTimeOut(30000);//可选，设置网络请求超时时间。默认为30秒。在仅设备模式下无效
//        mOption.setNeedAddress(true);//可选，设置是否返回逆地理地址信息。默认是trueif (isOnce) {mOption.setOnceLocation(true);//可选，设置是否单次定位。默认是falsemOption.setOnceLocationLatest(true);//可选，设置是否等待wifi刷新，默认为false.如果设置为true,会自动变为单次定位，持续定位时不要使用} else {mOption.setOnceLocation(false);mOption.setInterval(2_000);//可选，设置定位间隔。默认为2秒}mOption.setMockEnable(false); //设置是否允许模拟位置
//        AMapLocationClientOption.setLocationProtocol(AMapLocationClientOption.AMapLocationProtocol.HTTP);//可选， 设置网络请求的协议。可选HTTP或者HTTPS。默认为HTTP
//        mOption.setSensorEnable(false);//可选，设置是否使用传感器。默认是falsemOption.setWifiScan(true); //可选，设置是否开启wifi扫描。默认为true，如果设置为false会同时停止主动刷新，停止以后完全依赖于系统刷新，定位位置可能存在误差mOption.setLocationCacheEnable(true); //可选，设置是否使用缓存定位，默认为true
//        mOption.setGeoLanguage(AMapLocationClientOption.GeoLanguage.DEFAULT);//可选，设置逆地理信息的语言，默认值为默认语言（根据所在地区选择语言）return mOption;}public static class MyLocationListener implements AMapLocationListener {@Overridepublic void onLocationChanged(AMapLocation aMapLocation) {if (mOnLocationChangeListener != null) {mOnLocationChangeListener.onLocationChanged(aMapLocation);}}}public interface OnLocationChangeListener {void onLastKnownLocation(AMapLocation location);void onLocationChanged(AMapLocation location);}
}

public class GDLocationService extends Service {private volatile boolean isOnce = false;public static void actionStart(Context context) {actionStart(context, null);}public static void actionStart(Context context, String command) {context.startService(new Intent(context, GDLocationService.class).putExtra("command", command));}public static void actionStop(Context context) {context.stopService(new Intent(context, GDLocationService.class));}@Overridepublic void onCreate() {super.onCreate();GDLocationHelper.register(getApplicationContext(), new GDLocationHelper.OnLocationChangeListener() {@Overridepublic void onLastKnownLocation(AMapLocation location) {if (location != null) {Log.e("TAG", "onLastKnownLocation= " + location.toString());}}@Overridepublic void onLocationChanged(AMapLocation location) {if (location != null) {Log.e("TAG", "onLocationChanged= " + location.toString());if (isOnce) {stopSelf();}}}});}@Overridepublic int onStartCommand(Intent intent, int flags, int startId) {String command = intent.getStringExtra("command");switch (command) {case "once":isOnce = true;GDLocationHelper.startOnceLocation();break;case "stop":GDLocationHelper.stopLocation();break;case "start":default:isOnce = false;GDLocationHelper.startLocation();break;}return super.onStartCommand(intent, flags, startId);}@Nullable@Overridepublic IBinder onBind(Intent intent) {return null;}@Overridepublic void onDestroy() {super.onDestroy();GDLocationHelper.unregister();Log.e("TAG", "onDestroy");}
}

使用

// 开始定位   
GDLocationService.actionStart(MainActivity.this, "start");// 停止定位
GDLocationService.actionStart(MainActivity.this, "stop");// 单次定位
GDLocationService.actionStart(MainActivity.this, "once");