private void CreateWeightGraph(int numberOfEntries)
{
var weight = json.DeserializeGewichtTag();
var jsonLenght = weight.Count;
MyValues.Clear();
TypeOfGraph.Title = "Gewicht";
if (jsonLenght == 0)
{
return;
}
var helper = jsonLenght - numberOfEntries - 1;
for (int i = 0; i <= numberOfEntries - 1; i++)
{
if (i >= jsonLenght)
{
break;
}
if (jsonLenght <= numberOfEntries)
{
MyValues.Add(new ObservableValue(weight[i].TodaysWeight));
}
else
{
MyValues.Add(new ObservableValue(weight[helper + i].TodaysWeight));
}
}
}
private void WriteWeight()
{
var weightList = json.DeserializeGewichtTag();
int counter = 0;
foreach (var item in weightList)
{
if (item.Day == DateTime.Today)
{
weightList[counter].TodaysWeight = double.Parse(Gewicht.Text);
json.Serializer(weightList);
return;
}
counter++;
}
weightList.Add(new GewichtTag()
{
Day = DateTime.Today,
TodaysWeight = double.Parse(Gewicht.Text)
});
json.Serializer(weightList);
}