public ProgressDialogFeature<P> setAllowCloseWithoutCancel(final boolean allowCloseWithoutCancel) {
        this.allowCloseWithoutCancel = allowCloseWithoutCancel;
        return this;
    }
Feature to surround execution of a worker task visually with a progress dialog
main/src/main/java/cgeo/geocaching/utils/workertask/ProgressDialogFeature.java