JLDatePickerView *picker = [JLDatePickerView instance];
picker.datePicker.datePickerMode = UIDatePickerModeTime;
picker.datePicker.minuteInterval = 30;
[picker showPickerViewWithDate:[NSDate date]
                       minDate:nil
                       maxDate:nil
                        onView:self.view
                   resultBlock:^(BOOL success, NSDate *date) {
                       NSLog(@"success : %d, date : %@", success, date);
                   }];

[[JLTextPickerView instance] showPickerView:@[@"AAA",@"BBB",@"ccc",@"111",@"567"]
                               currentIndex:2
                                     onView:self.view
                                resultBlock:^(BOOL success, NSInteger index, NSString *name) {
                                    NSLog(@"success : %d, index : %d, name : %@", success, (int)index, name);
                                }];