package com.mm.android.deviceaddmodule.mobilecommon.location;
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import android.app.Activity;
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import android.content.Context;
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import android.content.Intent;
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import android.location.Criteria;
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import android.location.Location;
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import android.location.LocationManager;
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import android.provider.Settings;
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import android.text.TextUtils;
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import com.mm.android.deviceaddmodule.mobilecommon.utils.LogUtil;
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import java.text.DecimalFormat;
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/**
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* 获取经纬度和反编码的工具类
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* 1.首先使用原生的provider获取
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* 2.未获取到时，采用基于FusedLocation方式
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* 3.支持对经纬度进行反编码
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* note:need to assign necessary listener to your goal
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*/
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public class FuseLocationUtil {
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private Activity mActivity;
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private FetchAddressTask.OnGeoDecodeCompleted mGeoDecodeCompletedListener;
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private OnLocationGetCompleted mLocationGetCompletedListener;
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private Location mLocation;
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//仅获取经纬度回调接口
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public interface OnLocationGetCompleted {
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void onLocationGetCompleted(Location result);
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}
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//判断定位是否可用
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public static boolean isLocationEnabled(Context context) {
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LocationManager lm = (LocationManager) context.getApplicationContext().getSystemService(Context.LOCATION_SERVICE);
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return lm != null && (lm.isProviderEnabled(LocationManager.NETWORK_PROVIDER) || lm.isProviderEnabled(LocationManager.GPS_PROVIDER));
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}
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//判断Gps是否可用
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public static boolean isGpsEnabled(Context context) {
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LocationManager lm = (LocationManager) context.getApplicationContext().getSystemService(Context.LOCATION_SERVICE);
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return lm != null && lm.isProviderEnabled(LocationManager.GPS_PROVIDER);
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}
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/**
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* 打开Gps设置界面
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*/
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public static void openGpsSettings(Context context) {
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Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
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intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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context.startActivity(intent);
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}
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/**
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* GPS坐标 转换成 角度
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*/
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public static String gpsToDegree(double location) {
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double degree = Math.floor(location);
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double minute_temp = (location - degree) * 60;
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double minute = Math.floor(minute_temp);
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String second = new DecimalFormat("#.##").format((minute_temp - minute) * 60);
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return (int) degree + "°" + (int) minute + "′" + second + "″";
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}
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//不在中国范围内
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public static boolean outOfChina(double longitude, double latitude) {
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return longitude < 72.004 || longitude > 137.8347 || latitude < 0.8293 || latitude > 55.8271;
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}
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//比较两次坐标，是否偏移
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public static boolean isMove(Location location, Location preLocation) {
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boolean isMove;
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if (preLocation != null) {
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double speed = location.getSpeed() * 3.6;
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double distance = location.distanceTo(preLocation);
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double compass = Math.abs(preLocation.getBearing() - location.getBearing());
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double angle;
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if (compass > 180) {
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angle = 360 - compass;
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} else {
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angle = compass;
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}
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if (speed != 0) {
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if (speed < 35 && (distance > 3 && distance < 10)) {
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isMove = angle > 10;
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} else {
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isMove = (speed < 40 && distance > 10 && distance < 100) ||
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(speed < 50 && distance > 10 && distance < 100) ||
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(speed < 60 && distance > 10 && distance < 100) ||
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(speed < 9999 && distance > 100);
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}
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} else {
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isMove = false;
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}
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} else {
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isMove = true;
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}
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return isMove;
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}
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public Location getGpsInfoByProvider(Context context) {
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Location location = null;
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try {
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Criteria criteria = new Criteria();
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criteria.setAccuracy(Criteria.ACCURACY_COARSE);//低精度，如果设置为高精度，依然获取不了location。
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criteria.setAltitudeRequired(false);//不要求海拔
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criteria.setBearingRequired(false);//不要求方位
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criteria.setCostAllowed(true);//允许有花费
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criteria.setPowerRequirement(Criteria.POWER_LOW);//低功耗
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LocationManager locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
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//从可用的位置提供器中，匹配以上标准的最佳提供器
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if (locationManager != null) {
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String locationProvider = locationManager.getBestProvider(criteria, true);
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location = TextUtils.isEmpty(locationProvider) ? null : locationManager.getLastKnownLocation(locationProvider);
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}
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if (mLocationGetCompletedListener != null) {
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mLocationGetCompletedListener.onLocationGetCompleted(location);
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}
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LogUtil.debugLog("FuseLocationUtil", location == null ? "getGpsInfo by provider not worked" :
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"getBestProvider worked! -> Longitude: " + location.getLongitude() + " & Latitude: " + location.getLatitude());
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} catch (SecurityException e) {
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e.printStackTrace();
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}
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return location;
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}
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}
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