protected override async void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Make sure the example activity is launched with the required extras.
if (!Intent.HasExtra(ExtraConfiguration))
{
throw new InvalidOperationException($"{nameof (ExternalExampleActivity)} was started without a 'PdfActivityConfiguration'.");
}
// Extract the configuration for displaying the viewer activity.
configuration = Intent.GetParcelableExtra(ExtraConfiguration)?.JavaCast <PdfActivityConfiguration> ();
// Check if the activity was recreated, and see if the user already started document picking.
waitingForResult = savedInstanceState?.GetBoolean(isWaitingForResult, false) ?? false;
// Prevent the example from requesting multiple documents at the same time.
if (!waitingForResult)
{
waitingForResult = true;
// On Android 6.0+ we ask for SD card access permission. This isn't strictly necessary, but PSPDFKit
// being able to access file directly will significantly improve performance.
// Since documents can be annotated we ask for write permission as well.
var status = await CrossPermissions.Current.CheckPermissionStatusAsync <StoragePermission> ();
if (status != PermissionStatus.Granted)
{
if (await CrossPermissions.Current.ShouldShowRequestPermissionRationaleAsync(Permission.Storage))
{
AndHUD.Shared.Show(this, "Need Storage Permission", maskType: MaskType.Clear, timeout: TimeSpan.FromSeconds(1));
}
status = await CrossPermissions.Current.RequestPermissionAsync <StoragePermission> ();
}
if (status == PermissionStatus.Granted)
{
ShowOpenFileDialog();
}
else if (status != PermissionStatus.Unknown)
{
AndHUD.Shared.ShowError(this, "Storage Permission Denied", MaskType.Clear, TimeSpan.FromSeconds(2));
}
}
void ShowOpenFileDialog()
{
// Prepare an implicit intent which allows the user to select any document.
var intent = new Intent(Intent.ActionOpenDocument);
intent.AddCategory(Intent.CategoryOpenable);
intent.SetType("*/*");
intent.PutExtra(Intent.ExtraMimeTypes, new [] { "application/pdf", "image/*" });
// Set of the intent for result, so we can retrieve the Uri of the selected document.
StartActivityForResult(intent, requestOpenDocument);
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.TryInstantConnect);
// Extract PdfActivity configuration from extras.
configuration = Intent.GetParcelableExtra(ConfigurationArg).JavaCast <PdfActivityConfiguration> ();
if (configuration is null)
{
throw new InvalidOperationException("'InstantExampleConnectionActivity' was not initialized with proper arguments: Missing configuration extra!");
}
// Configure toolbar.
var toolbar = FindViewById <Toolbar> (Resource.Id.toolbar);
SetSupportActionBar(toolbar);
// Configure new document button.
var documentButton = FindViewById <Android.Widget.Button> (Resource.Id.button_new_document);
documentButton.Click += async(sender, e) => await CreateNewDocument();
// Configure edit document button.
var editDocumentButton = FindViewById <Android.Widget.Button> (Resource.Id.button_edit_document);
editDocumentButton.Enabled = false;
editDocumentButton.Click += async(sender, e) => await EditDocument(documentCodeEditText.Text);
// Configure document code edit box.
documentCodeEditText = FindViewById <Android.Widget.EditText> (Resource.Id.edit_text_document_code);
documentCodeEditText.EditorAction += async(sender, e) => {
if (e.ActionId == ImeAction.Go && (e.Event == null || e.Event?.Action == KeyEventActions.Up))
{
await EditDocument(documentCodeEditText.Text);
e.Handled = true;
}
e.Handled = false;
};
documentCodeEditText.AfterTextChanged += (sender, e) => {
var code = (sender as Android.Widget.EditText).Text;
editDocumentButton.Enabled = code?.Length == WebPreviewApiClient.CodeLength;
};
}
