On Jan 14, 2012, at 11:47 PM, Tom Opgenorth wrote:
> Is this the correct way to port this code over? Or is there a simpler way.
Yes, that's a correct way. A variation on that is to simplify your
SimpleCursorAdapter.ICursorToStringConverter implementation to rely on
delegates, which would allow for closure use:
class CursorToStringConverter : Java.Lang.Object,
SimpleCursorAdapter.ICursorToStringConverter {
Func<ICursor, ICharSequence> converter;
public CursorToStringConverter (Func<ICursor, ICharSequence>
converter)
{
this.converter = converter;
}
public ICharSequence ConvertToStringFormatted(ICursor cursor)
{
return converter (cursor);
}
}
This would permit your callsite to become:
adapter.CursorToStringConverter = new CursorToStringConverter (c => {
var colIndex =
c.GetColumnIndexOrThrow(VehicleTripDescriptionTable.Columns.DESCRIPTION);
var value = c.GetString(colIndex);
return new Java.Lang.String(value);
});
In this case it might not buy you anything, but if you need multiple
SimpleCursorAdapter.ICursorToStringConverter implementations then you'll need
only one interface implementation and each callsite can provide a different
ConvertToStringFormatted() "body", similar to what Java does.
- Jon
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