增加 log

android/src/main/java/com/amap/flutter/location/AMapFlutterLocationPlugin.java

@@ -2,6 +2,7 @@ package com.amap.flutter.location;
 
 import android.content.Context;
 import android.text.TextUtils;
+import android.util.Log;
 
 import com.amap.api.location.AMapLocationClient;
 
@@ -104,6 +105,7 @@ public class AMapFlutterLocationPlugin implements FlutterPlugin, MethodCallHandl
         double lat2 = (double) argsMap.get("lat2");
         double lng2 = (double) argsMap.get("lng2");
         double distance = AMapLocationClientImpl.calculateDistance(lat1, lng1, lat2, lng2);
+        Log.d("calculateDistance", "lat1:" + lat1 + " lng1:" + lng1 + " lat2:" + lat2 + " lng2:" + lng2 + " distance:" + distance);
         result.success(distance);
     }