private async Task LoadDataFromDatabase()
{
IsBusy = true;
CollectionOfWifiNetworksToAnalyze.Clear();
await Task.Delay(2000);
ListOfWifiNetworksToAnalyze = await App.Database.GetListOfWifiParametersAsync();
if (ListOfWifiNetworksToAnalyze.Count != 0)
{
foreach (var wifiNetwork in ListOfWifiNetworksToAnalyze)
{
CollectionOfWifiNetworksToAnalyze.Add(wifiNetwork);
}
collectionOfWifiParametersToAnalyzeTrafficChannel = CollectionOfWifiNetworksToAnalyze;
NumberOfWifiNetworksToAnalyze = CollectionOfWifiNetworksToAnalyze.Count;
Toast.MakeText(Android.App.Application.Context, "Data from database was loaded successfully.", ToastLength.Short).Show();
}
else
{
Toast.MakeText(Android.App.Application.Context, "Your database is empty!", ToastLength.Short).Show();
NumberOfWifiNetworksToAnalyze = 0;
}
IsBusy = false;
}
private async Task LoadDataFromFile()
{
IsBusy = true;
CollectionOfWifiNetworksToAnalyze.Clear();
await Task.Delay(2000);
var sdCardPath = Android.OS.Environment.ExternalStorageDirectory.Path;
string filePath = Path.Combine(sdCardPath, FileNameToAnalyze + ".json");
if (File.Exists(filePath))
{
foreach (var wifiNetwork in WifiParametersJSON.FromJson(filePath))
{
CollectionOfWifiNetworksToAnalyze.Add(wifiNetwork);
}
collectionOfWifiParametersToAnalyzeTrafficChannel = CollectionOfWifiNetworksToAnalyze;
NumberOfWifiNetworksToAnalyze = CollectionOfWifiNetworksToAnalyze.Count;
Toast.MakeText(Android.App.Application.Context, "Data from file was loaded successfully.", ToastLength.Short).Show();
}
else
{
Toast.MakeText(Android.App.Application.Context, "File with such name does not exist!", ToastLength.Short).Show();
NumberOfWifiNetworksToAnalyze = 0;
}
IsBusy = false;
}
private async Task LoadDataFromCurrentScanList()
{
IsBusy = true;
CollectionOfWifiNetworksToAnalyze.Clear();
await Task.Delay(2000);
if (MainPageViewModel.ListOfWifiNetworks.Count != 0)
{
foreach (var wifiNetwork in MainPageViewModel.ListOfWifiNetworks)
{
CollectionOfWifiNetworksToAnalyze.Add(wifiNetwork);
}
collectionOfWifiParametersToAnalyzeTrafficChannel = CollectionOfWifiNetworksToAnalyze;
NumberOfWifiNetworksToAnalyze = CollectionOfWifiNetworksToAnalyze.Count;
Toast.MakeText(Android.App.Application.Context, "Data from current scan list was loaded successfully.", ToastLength.Short).Show();
}
else
{
Toast.MakeText(Android.App.Application.Context, "You have to scan wifi networks first!.", ToastLength.Short).Show();
NumberOfWifiNetworksToAnalyze = 0;
}
IsBusy = false;
}
private async Task SortCollectionByFrequency()
{
if (CollectionOfWifiNetworksToAnalyze.Count != 0)
{
IsBusy = true;
await Task.Delay(1500);
CollectionOfWifiNetworksToAnalyze = new ObservableCollection <WifiParameters>(CollectionOfWifiNetworksToAnalyze.OrderByDescending(x => x.Frequency).ToList());
IsBusy = false;
}
else
{
Toast.MakeText(Android.App.Application.Context, "You have to load your data first!", ToastLength.Short).Show();
}
}
