protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
InitDownloadManager();
// Get our button from the layout resource,
// and attach an event to it
Button button = FindViewById <Button> (Resource.Id.myButton);
var foo = new Downloader();
button.Click += delegate {
// If already downloading, abort it.
if (foo.IsDownloading())
{
foo.AbortDownloading();
button.Text = "Download aborted.";
return;
}
button.Text = "Start downloading ...";
foo.InitializeDownload();
foo.File.PropertyChanged += (sender, e) => {
System.Diagnostics.Debug.WriteLine("[Property changed] " + e.PropertyName + " -> " + sender.GetType().GetProperty(e.PropertyName).GetValue(sender, null).ToString());
// Update UI text-fields
var downloadFile = ((IDownloadFile)sender);
switch (e.PropertyName)
{
case nameof(IDownloadFile.Status):
FindViewById <TextView>(Resource.Id.value_status).Text = downloadFile.Status.ToString();
break;
case nameof(IDownloadFile.StatusDetails):
FindViewById <TextView>(Resource.Id.value_statusdetails).Text = downloadFile.StatusDetails;
break;
case nameof(IDownloadFile.TotalBytesExpected):
FindViewById <TextView>(Resource.Id.value_totalbytesexpected).Text = downloadFile.TotalBytesExpected.ToString();
break;
case nameof(IDownloadFile.TotalBytesWritten):
FindViewById <TextView>(Resource.Id.value_totalbyteswritten).Text = downloadFile.TotalBytesWritten.ToString();
break;
}
// Update UI if download-status changed.
if (e.PropertyName == "Status")
{
switch (((IDownloadFile)sender).Status)
{
case DownloadFileStatus.COMPLETED:
case DownloadFileStatus.FAILED:
case DownloadFileStatus.CANCELED:
button.Text = "Downloading finished.";
// Get the path this file was saved to. When you didn't set a custom path, this will be some temporary directory.
var nativeDownloadManager = (DownloadManager)ApplicationContext.GetSystemService(DownloadService);
System.Diagnostics.Debug.WriteLine(nativeDownloadManager.GetUriForDownloadedFile(((DownloadFileImplementation)sender).Id));
// If you don't want your download to be listed in the native "Download" app after the download is finished
//nativeDownloadManager.Remove(((DownloadFileImplementation)sender).Id);
break;
}
}
// Update UI while donwloading.
if (e.PropertyName == "TotalBytesWritten" || e.PropertyName == "TotalBytesExpected")
{
var bytesExpected = ((IDownloadFile)sender).TotalBytesExpected;
var bytesWritten = ((IDownloadFile)sender).TotalBytesWritten;
if (bytesExpected > 0)
{
var percentage = Math.Round(bytesWritten / bytesExpected * 100);
button.Text = "Downloading (" + percentage + "%)";
}
}
};
foo.StartDownloading(FindViewById <Switch>(Resource.Id.switch1).Checked);
};
}
public void Download()
{
var folder = Windows.ApplicationModel.Package.Current.InstalledLocation;
path = Path.Combine(folder.Path, "data_10mb.test");
// If already downloading, abort it.
if (foo.IsDownloading())
{
foo.AbortDownloading();
downloadBtn.Content = "Download aborted.";
return;
}
downloadBtn.Content = "Start downloading ...";
foo.InitializeDownload();
foo.File.PropertyChanged += (sender, e) => {
System.Diagnostics.Debug.WriteLine("[Property changed] " + e.PropertyName + " -> " + sender.GetType().GetProperty(e.PropertyName).GetValue(sender, null).ToString());
// Update UI text-fields
var downloadFile = ((IDownloadFile)sender);
switch (e.PropertyName)
{
case nameof(IDownloadFile.Status):
Statustext.Text = downloadFile.Status.ToString();
break;
case nameof(IDownloadFile.TotalBytesExpected):
BytesExpected.Text = downloadFile.TotalBytesExpected.ToString();
break;
case nameof(IDownloadFile.TotalBytesWritten):
BytesReceived.Text = downloadFile.TotalBytesWritten.ToString();
break;
}
// Update UI if download-status changed.
if (e.PropertyName == "Status")
{
switch (((IDownloadFile)sender).Status)
{
case DownloadFileStatus.COMPLETED:
case DownloadFileStatus.FAILED:
case DownloadFileStatus.CANCELED:
downloadBtn.Content = "Downloading finished.";
((DownloadFileImplementation)downloadFile).DownloadOperation.ResultFile.DeleteAsync();
break;
}
}
// Update UI while donwloading.
if (e.PropertyName == "TotalBytesWritten" || e.PropertyName == "TotalBytesExpected")
{
var bytesExpected = ((IDownloadFile)sender).TotalBytesExpected;
var bytesWritten = ((IDownloadFile)sender).TotalBytesWritten;
if (bytesExpected > 0)
{
var percentage = Math.Round(bytesWritten / bytesExpected * 100);
downloadBtn.Content = "Downloading (" + percentage + "%)";
}
}
};
foo.StartDownloading(CellularNetworkAllowed.IsChecked.HasValue && CellularNetworkAllowed.IsChecked.Value);
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
InitDownloadManager();
// Get our button from the layout resource,
// and attach an event to it
Button button = FindViewById <Button> (Resource.Id.myButton);
var foo = new Downloader();
button.Click += delegate {
// If already downloading, abort it.
if (foo.IsDownloading())
{
foo.AbortDownloading();
button.Text = "Download aborted.";
return;
}
button.Text = "Start downloading ...";
foo.InitializeDownload();
foo.File.PropertyChanged += (sender, e) => {
System.Diagnostics.Debug.WriteLine("[Property changed] " + e.PropertyName + " -> " + sender.GetType().GetProperty(e.PropertyName).GetValue(sender, null).ToString());
// Update UI text-fields
var downloadFile = ((IDownloadFile)sender);
switch (e.PropertyName)
{
case nameof(IDownloadFile.Status):
FindViewById <TextView>(Resource.Id.value_status).Text = downloadFile.Status.ToString();
break;
case nameof(IDownloadFile.StatusDetails):
FindViewById <TextView>(Resource.Id.value_statusdetails).Text = downloadFile.StatusDetails;
break;
case nameof(IDownloadFile.TotalBytesExpected):
FindViewById <TextView>(Resource.Id.value_totalbytesexpected).Text = downloadFile.TotalBytesExpected.ToString();
break;
case nameof(IDownloadFile.TotalBytesWritten):
FindViewById <TextView>(Resource.Id.value_totalbyteswritten).Text = downloadFile.TotalBytesWritten.ToString();
break;
}
// Update UI if download-status changed.
if (e.PropertyName == "Status")
{
switch (((IDownloadFile)sender).Status)
{
case DownloadFileStatus.COMPLETED:
case DownloadFileStatus.FAILED:
case DownloadFileStatus.CANCELED:
button.Text = "Downloading finished.";
// Get the path this file was saved to. When you didn't set a custom path, this will be some temporary directory.
var nativeDownloadManager = (DownloadManager)ApplicationContext.GetSystemService(DownloadService);
System.Diagnostics.Debug.WriteLine(nativeDownloadManager.GetUriForDownloadedFile(((DownloadFileImplementation)sender).Id));
break;
}
}
// Update UI while donwloading.
if (e.PropertyName == "TotalBytesWritten" || e.PropertyName == "TotalBytesExpected")
{
var bytesExpected = ((IDownloadFile)sender).TotalBytesExpected;
var bytesWritten = ((IDownloadFile)sender).TotalBytesWritten;
if (bytesExpected > 0)
{
var percentage = Math.Round(bytesWritten / bytesExpected * 100);
button.Text = "Downloading (" + percentage + "%)";
}
}
};
try {
foo.StartDownloading(FindViewById <Switch>(Resource.Id.switch1).Checked);
} catch (Java.Lang.IllegalArgumentException) {
foo.File = null;
button.Text = "Download crashed.";
try {
//Open the specific App Info page:
Intent intent = new Intent(Android.Provider.Settings.ActionApplicationDetailsSettings);
intent.SetData(Android.Net.Uri.Parse("package:com.android.providers.downloads"));
StartActivity(intent);
} catch (ActivityNotFoundException) {
//Open the generic Apps page:
Intent intent = new Intent(Android.Provider.Settings.ActionManageApplicationsSettings);
StartActivity(intent);
}
}
};
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// If you want to take full control of the saved file, see `ExtendedUrlSessionDownloadDelegate`
//CrossDownloadManager.Current.PathNameForDownloadedFile = new Func<IDownloadFile, string> (file => {
// string fileName = (new NSUrl (file.Url, false)).LastPathComponent;
// return Path.Combine (Environment.GetFolderPath (Environment.SpecialFolder.MyDocuments), fileName);
//});
var foo = new Downloader();
// Perform any additional setup after loading the view, typically from a nib.
Button.AccessibilityIdentifier = "myButton";
Button.TouchUpInside += delegate {
// If already downloading, abort it.
if (foo.IsDownloading())
{
foo.AbortDownloading();
Button.SetTitle("Download aborted.", UIControlState.Normal);
return;
}
Button.SetTitle("Start downloading ...", UIControlState.Normal);
foo.InitializeDownload();
foo.File.PropertyChanged += (sender, e) => {
// Update UI text-fields
var downloadFile = ((IDownloadFile)sender);
switch (e.PropertyName)
{
case nameof(IDownloadFile.Status):
InvokeOnMainThread(() => {
StatusTextField.Text = downloadFile.Status.ToString();
});
break;
case nameof(IDownloadFile.StatusDetails):
InvokeOnMainThread(() => {
StatusDetailsTextField.Text = downloadFile.StatusDetails;
});
break;
case nameof(IDownloadFile.TotalBytesExpected):
InvokeOnMainThread(() => {
TotalBytesExpectedTextField.Text = downloadFile.TotalBytesExpected.ToString();
});
break;
case nameof(IDownloadFile.TotalBytesWritten):
InvokeOnMainThread(() => {
TotalBytesWrittenTextField.Text = downloadFile.TotalBytesWritten.ToString();
});
break;
}
// Update UI if download-status changed.
if (e.PropertyName == "Status")
{
switch (((IDownloadFile)sender).Status)
{
case DownloadFileStatus.COMPLETED:
case DownloadFileStatus.FAILED:
case DownloadFileStatus.CANCELED:
InvokeOnMainThread(() => {
Button.SetTitle("Downloading finished.", UIControlState.Normal);
});
break;
}
}
// Update UI while donwloading.
if (e.PropertyName == "TotalBytesWritten" || e.PropertyName == "TotalBytesExpected")
{
var bytesExpected = ((IDownloadFile)sender).TotalBytesExpected;
var bytesWritten = ((IDownloadFile)sender).TotalBytesWritten;
if (bytesExpected > 0)
{
var percentage = Math.Round(bytesWritten / bytesExpected * 100);
InvokeOnMainThread(() => {
Button.SetTitle("Downloading (" + percentage + "%)", UIControlState.Normal);
});
}
}
};
foo.StartDownloading(Switch.On);
};
}
