public async Task ShouldDownloadContentFromTwoSitesAsAsyncStream()
{
var bd = new BatchDownloader();
string[] urls = { "http://aliozgur.net", "https://www.microsoft.com" };
var results = bd.DownloadAllAsAsyncStream(urls);
var totalLen = 0;
await foreach (var result in results)
{
totalLen += result.Length;
}
Assert.IsTrue(totalLen > 0);
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
var messageList = FindViewById <ListView>(Resource.Id.msgList);
adapter = new ArrayAdapter <string>(this, Android.Resource.Layout.SimpleListItem1);
messageList.Adapter = adapter;
var progressBar = FindViewById <ProgressBar>(Resource.Id.downloadProgressBar);
progressBar.Max = 100;
var datePicker = FindViewById <DatePicker>(Resource.Id.downloadDatePicker);
var button = FindViewById <Button>(Resource.Id.downloadButton);
button.Click += async(object sender, EventArgs e) =>
{
var cm = GetSystemService(ConnectivityService) as ConnectivityManager;
if (cm?.ActiveNetworkInfo.Type != ConnectivityType.Wifi)
{
var builder = new AlertDialog.Builder(this);
builder.SetMessage("Connect without wifi?");
builder.SetNegativeButton("Cancel", (obj, x) => { });
builder.SetPositiveButton("Ok", async(obj, which) =>
{
await StartBatchDownload();
});
builder.Show();
}
else
{
await StartBatchDownload();
}
};
Task StartBatchDownload()
{
return(Task.Run(() =>
{
var savePath = GetSavePath();
AddressBuilder.Date = datePicker.DateTime;
var addrs = AddressBuilder.Load(Assets.Open("PodAddress.xml"));
var urls = AddressBuilder.GetEffectiveAddresses(addrs);
List <string> failedList = new List <string>();
failedList.AddRange(BatchDownloader.DownloadFromUrls(savePath, urls, DownloadProgressHandler));
RunOnUiThread(() =>
{
failedList
.Select(msg => "failed url: " + msg)
.ToList()
.ForEach(msg =>
{
Log.Info(typeof(MainActivity).ToString(), msg);
adapter.Add(msg);
});
adapter.Add("Download complete");
adapter.NotifyDataSetChanged();
Toast.MakeText(this, "Download complete", ToastLength.Long).Show();
});
}));
}
void DownloadProgressHandler(object sender, DownloadProgressChangedEventArgs e)
{
progressBar.SetProgress(e.ProgressPercentage, true);
}
}
