added method to retrieve heartbeats, needs to be tested

src/main/java/manage/FITBITData/HeartRate.java

@@ -9,9 +9,20 @@ import java.util.Map;
 public class HeartRate {
 
     public String dateTime;
+    public double average;
 
     @JsonProperty("activities-heart")
     public void quelloCheVoglio(Map<String, Object>[] activities){
         dateTime = (String) activities[0].get("dateTime");
     }
+
+    @JsonProperty("activities-heart-intraday")
+    public void qualcosAltro(Map<String, Map<String, String>[]> map) {
+        Map<String, String>[] data = map.get("dataset");
+
+        int sum = 0;
+        for(Map<String, String> dat: data)
+            sum += Integer.parseInt(dat.get("value"));
+        average = ((double)sum)/data.length;
+    }
 }

src/main/java/manage/FITBITData/Sleep.java

@@ -1,4 +1,12 @@
 package manage.FITBITData;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+@JsonIgnoreProperties(ignoreUnknown = true)
 public class Sleep {
+
+    public String time;
+
+
 }