builder.setMessage(R.string.askdeleteevent)
.setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() {
@Override
public void onClick(final DialogInterface dialog, final int id) {
event.delete(getActivity());
builder.setMessage(R.string.askdeleteevent)
.setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() {
@Override
public void onClick(final DialogInterface dialog, final int id) {
event.delete(getActivity());