AlertDialog
// 1. Instantiate an AlertDialog.Builder with its constructor
// the parameter this is the context (usually your activity)
AlertDialog.Builder builder = new AlertDialog.Builder(this);
// 2. Chain together various setter methods to set the dialog characteristics
builder.SetMessage(Resource.String.dialog_message)
.SetTitle(Resource.String.dialog_title);
// 3. Get the AlertDialog from create()
AlertDialog dialog = builder.Create();
dialog.Show();