public override void OnAttachedToWindow()
{
base.OnAttachedToWindow();
if (CurrentExpense != null && CurrentExpense.Id != 0)
{
expenseViewModel.LoadPhotoAsync(CurrentExpense).ContinueWith(_ => {
activity.RunOnUiThread(() => {
if (expenseViewModel.Photo != null)
{
if (expenseViewModel.Photo.Image != null)
{
imageBitmap = BitmapFactory.DecodeByteArray(expenseViewModel.Photo.Image, 0, expenseViewModel.Photo.Image.Length);
imageBitmap = Extensions.ResizeBitmap(imageBitmap, Constants.MaxWidth, Constants.MaxHeight);
}
expensePhoto.SetImageBitmap(imageBitmap);
expenseAddPhoto.Visibility = ViewStates.Gone;
}
else
{
expensePhoto.SetImageBitmap(null);
expenseAddPhoto.Visibility = ViewStates.Visible;
}
});
});
expenseType.SetSelection(expenseTypes.ToList().IndexOf(CurrentExpense.Category));
expenseAmount.Text = CurrentExpense.Cost.ToString("0.00");
expenseDescription.Text = CurrentExpense.Description;
deleteExpense.Visibility = CurrentExpense.Id != 0 ? ViewStates.Visible : ViewStates.Gone;
}
else
{
expenseViewModel.Photo = null;
expensePhoto.SetImageBitmap(null);
expenseAmount.Text = "0.00";
expenseDescription.Text = string.Empty;
expenseType.SetSelection(0);
expenseAddPhoto.Visibility = ViewStates.Visible;
deleteExpense.Visibility = ViewStates.Gone;
}
}
public void OnClick(View v)
{
switch (v.Id)
{
case Resource.Id.addExpenseDelete:
if (CurrentExpense != null && CurrentExpense.Id != -1)
{
DeleteExpense();
}
else
{
Dismiss();
}
break;
case Resource.Id.addExpenseSave:
SaveExpense();
break;
case Resource.Id.addExpenseCancel:
Dismiss();
break;
case Resource.Id.addExpenseAddPhoto:
var choices = new List <string> ();
choices.Add(activity.Resources.GetString(Resource.String.Gallery));
if (mediaPicker.IsCameraAvailable)
{
choices.Add(activity.Resources.GetString(Resource.String.Camera));
}
AlertDialog.Builder takePictureDialog = new AlertDialog.Builder(activity);
takePictureDialog.SetTitle("Select:");
takePictureDialog.SetItems(choices.ToArray(), (innerSender, innerE) => {
if (innerE.Which == 0)
{
mediaPicker.PickPhotoAsync().ContinueWith(t => {
if (t.IsCanceled)
{
return;
}
activity.RunOnUiThread(() => {
expenseAddPhoto.Visibility = ViewStates.Gone;
imageBitmap = BitmapFactory.DecodeStream(t.Result.GetStream());
imageBitmap = Extensions.ResizeBitmap(imageBitmap, Constants.MaxWidth, Constants.MaxHeight);
expensePhoto.SetImageBitmap(imageBitmap);
expenseViewModel.Photo = new ExpensePhoto {
ExpenseId = CurrentExpense.Id
};
});
});
}
else if (innerE.Which == 1)
{
//camera
StoreCameraMediaOptions options = new StoreCameraMediaOptions();
options.Directory = "FieldService";
options.Name = "FieldService.jpg";
mediaPicker.TakePhotoAsync(options).ContinueWith(t => {
if (t.IsCanceled)
{
return;
}
activity.RunOnUiThread(() => {
expenseAddPhoto.Visibility = ViewStates.Gone;
imageBitmap = BitmapFactory.DecodeStream(t.Result.GetStream());
imageBitmap = Extensions.ResizeBitmap(imageBitmap, Constants.MaxWidth, Constants.MaxHeight);
expensePhoto.SetImageBitmap(imageBitmap);
expenseViewModel.Photo = new ExpensePhoto {
ExpenseId = CurrentExpense.Id
};
});
});
}
});
takePictureDialog.Show();
break;
}
}