async void Handle_Clicked(object sender, EventArgs e)
{
var connect = Connectivity.NetworkAccess;
CancellationTokenSource cts;
cts = new CancellationTokenSource();
status.Text = "";
if (connect == NetworkAccess.Internet) //There is connection
{
try
{
cts.CancelAfter(2800);
RESTService api_client = new RESTService();
string user_profile = await api_client.Get("https://api.thingspeak.com/channels.json?api_key=" + username_text.Text);
var settings = new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore,
MissingMemberHandling = MissingMemberHandling.Ignore
};
if (user_profile.Contains("Authorization Required"))
{
status.TextColor = Color.Red;
status.Text = "Nhập sai User API Key! Vui lòng kiểm tra lại";
}
else
{
status.TextColor = Color.Green;
status.Text = "Thành công!";
username_text.Text = "";
List <UserProfile> profile_json = JsonConvert.DeserializeObject <List <UserProfile> >(user_profile, settings);
await Navigation.PushAsync(new Page1(profile_json));
}
}
catch (Exception)
{
status.TextColor = Color.Red;
status.Text = "Không kết nối với Internet!";
}
}
else
{
status.TextColor = Color.Red;
status.Text = "Không kết nối với Internet!";
}
}
async Task <ChannelFeed> ReallyGetData(string id, string api, CancellationToken ct)
{
RESTService api_client = new RESTService();
string channel_feeds = await api_client.Get("https://api.thingspeak.com/channels/" + id + "/feeds.json?timezone=Asia%2FBangkok&api_key=" + api + "&results=2", ct);
var settings = new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore,
MissingMemberHandling = MissingMemberHandling.Ignore
};
ChannelFeed feeds_json = JsonConvert.DeserializeObject <ChannelFeed>(channel_feeds, settings);
return(feeds_json);
//temperature.Text = feeds_json.feeds[1].field1;
//pH.Text = feeds_json.feeds[1].field2;
//update_time.Text = feeds_json.feeds[1].created_at.ToString("dd/MM/yyyy HH:mm tt");
}