public void UpdateWidget(double totalMoney, double profit, string fiatPref) { HodlrWidgetProvider widgetProvider = new HodlrWidgetProvider(); Context context = MainActivity.Context; int[] ids = AppWidgetManager.GetInstance(context.ApplicationContext) .GetAppWidgetIds(new ComponentName( context.ApplicationContext, Java.Lang.Class.FromType(typeof(HodlrWidgetProvider)))); CurrencySymbolManager_Android symbolManager = new CurrencySymbolManager_Android(); RegionInfo region = symbolManager.GetRegion(fiatPref); CultureInfo culture = symbolManager.GetCulture(region.Name); string totalVal = string.Format(culture, "{0:C}", totalMoney); string profitVal = string.Format(culture, "{0:C}", profit); string timeVal = string.Format("Updated: {0:t}", DateTime.Now); Android.Graphics.Color profCol = (profit >= 0) ? Android.Graphics.Color.ForestGreen : Android.Graphics.Color.IndianRed; widgetProvider.UpdateWidgets( context, AppWidgetManager.GetInstance(context), ids, timeVal, totalVal, profitVal, profCol, false, true ); }
public override async void OnUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { UpdateWidgets(context, appWidgetManager, appWidgetIds, "Loading", null, null, Color.Blue, true); try { // Load database manually - can't use interface without initializing Xamarin Forms SQLite_Android dbManager = new SQLite_Android(); SQLiteConnection db = dbManager.GetConnection(); db.CreateTable <Transaction>(); db.CreateTable <AppCache>(); List <Transaction> transactions = (from t in db.Table <Transaction>() select t).ToList(); AppCache cache = db.Table <AppCache>().FirstOrDefault(); FiatConvert convert = JsonConvert.DeserializeObject <FiatConvert>(cache.ConvertDataJson);; if (convert == null || (DateTime.Now - cache.LastConvertRefresh) > TimeSpan.FromDays(1)) { var fiatResp = await Comms.Get <FiatConvert>(Comms.ConverterApi, "latest?base=USD"); if (fiatResp.Success && fiatResp.Data != null) { convert = fiatResp.Data; cache.LastConvertRefresh = DateTime.Now; } if (!fiatResp.Success) { throw new Exception("Failed to refresh"); } } convert = await AppUtils.RefreshCryptos(convert, AppUtils.PriceSources[cache.SourcePref]); if (convert == null) { throw new Exception("Failed to refresh"); } HodlStatus status = HodlStatus.GetCurrent(transactions, convert, cache.FiatPref); if (symbolManager == null) { symbolManager = new CurrencySymbolManager_Android(); } RegionInfo region = symbolManager.GetRegion(cache.FiatPref); CultureInfo culture = symbolManager.GetCulture(region.Name); string totalVal = string.Format(culture, "{0:C}", status.CryptoFiatVal); string profitVal = string.Format(culture, "{0:C}", status.Profit); string timeVal = string.Format("Updated: {0:t}", DateTime.Now); Color profCol = (status.Profit >= 0) ? Color.ForestGreen : Color.IndianRed; UpdateWidgets(context, appWidgetManager, appWidgetIds, timeVal, totalVal, profitVal, profCol, false, true); cache.ConvertDataJson = JsonConvert.SerializeObject(convert); db.DeleteAll <AppCache>(); db.Insert(cache); db.Close(); } catch (Exception e) { UpdateWidgets(context, appWidgetManager, appWidgetIds, string.Format("Update failed at: {0:t}", DateTime.Now), null, null, Color.Blue, false, true); Console.WriteLine("HODLR error: " + e.Message); Android.Util.Log.Error("Hodlr", "HODLR error: " + e.Message); } }