_viewPicker.hidden =YES;
    _viewPicker.layer.borderWidth = 2;
    _viewPicker.layer.borderColor = [UIColor lightGrayColor].CGColor;

    _datePicker.minimumDate = [NSDate date];
    showBookNames = [[NSMutableArray alloc] init];

    arrDates = [[NSMutableArray alloc] init];
    dictMonths = [[NSMutableDictionary alloc] init];
    arrBooksList = [[NSMutableArray alloc] init];
    arrBookTitles = [[NSMutableArray alloc] init];

    dateStart = _datePicker.date;

- (IBAction)onCalendarTap:(id)sender {
    _viewPicker.hidden = NO;
    [UIView animateWithDuration:0.50 animations:^{
        _viewPicker.frame = CGRectMake(0, self.view.frame.size.height - 200, self.view.frame.size.width, 250);
        dateStart = _datePicker.date;
        [_viewPicker setHidden:NO];
    }];
}

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