添加位置信息工具类

base_library/src/main/java/com/mgtech/base_library/util/LocationUtil.java

@@ -0,0 +1,71 @@
+package com.mgtech.base_library.util;
+
+import android.location.Location;
+
+import java.math.BigDecimal;
+import java.text.DecimalFormat;
+
+/**
+ * @ProjectName: Bua
+ * @Package: com.mgtech.base_library.util
+ * @ClassName: LocationUtil
+ * @Description: 位置工具类
+ * @Author: 牛松涛
+ * @CreateDate: 2020/7/17 17:04
+ * @UpdateUser: 更新者：Administrator
+ * @UpdateDate: 2020/7/17 17:04
+ * @UpdateRemark: 更新说明：
+ * @Version: 1.0
+ */
+public class LocationUtil {
+
+    private static LocationUtil instance;
+
+
+    public static LocationUtil getInstance(){
+        if(instance == null){
+            synchronized (LocationUtil.class){
+                if(instance == null){
+                    instance = new LocationUtil();
+                }
+            }
+        }
+        return instance;
+    }
+
+    /**
+     * 获取两个坐标之间距离
+     * @param startLat 起始坐标经度
+     * @param startLng 起始坐标纬度
+     * @param endLat   终点坐标经度
+     * @param endLng   终点坐标经度
+     * @return 两点之间距离
+     */
+    public float getDistance(double startLat,double startLng,double endLat,double endLng){
+        float[] results = new float[3];
+        Location.distanceBetween(startLat,startLng,endLat,endLng,results);
+        return results[0];
+    }
+
+
+    /**
+     * 获取两个坐标之间距离
+     * @param startLat 起始坐标经度
+     * @param startLng 起始坐标纬度
+     * @param endLat   终点坐标经度
+     * @param endLng   终点坐标经度
+     * @return 两点之间距离
+     */
+    DecimalFormat df;
+    public String getDistanceFormat(double startLat,double startLng,double endLat,double endLng){
+        if (df == null)
+            df = new DecimalFormat("#.0");
+        float[] results = new float[3];
+        Location.distanceBetween(startLat,startLng,endLat,endLng,results);
+        if (results[0] < 1000)
+            return df.format(results[0]) + "m";
+        else{
+            return df.format(BigDecimal.valueOf(results[0] / 1000)) + "km";
+        }
+    }
+}