Plain类型带SectionHeader的TableView，上拉，松手瞬间SectionHeader位置会超出顶部，然后慢慢恢复正常

[gongsunqingyang]

同类型的issue#1507

#import "RefreshViewController.h"
#import <MJRefresh.h>

@interface RefreshViewController () <UITableViewDataSource, UITableViewDelegate>

@property (nonatomic, strong) UITableView *tableView;
@property (nonatomic, strong) NSMutableArray *array;

@end

@implementation RefreshViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor whiteColor];
    
    __weak typeof(self) weakSelf = self;
    UITableView *tableView = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
    tableView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
    tableView.delegate = self;
    tableView.dataSource = self;
    tableView.rowHeight = 150;
    tableView.sectionHeaderHeight = 100;
    tableView.sectionFooterHeight = 0.01;
    if (@available(iOS 15.0, *)) {
        tableView.sectionHeaderTopPadding = 0.0;
    }
    tableView.mj_header = [MJRefreshNormalHeader headerWithRefreshingBlock:^{
        [weakSelf pullDownRequest];
    }];
    tableView.mj_footer = [MJRefreshBackNormalFooter footerWithRefreshingBlock:^{
        [weakSelf pullUpRequest];
    }];
    [self.view addSubview:tableView];
    self.tableView = tableView;

    [self pullDownRequest];
}

- (void)viewDidLayoutSubviews {
    [super viewDidLayoutSubviews];
    self.tableView.frame = CGRectMake(0, 64, self.view.bounds.size.width, self.view.bounds.size.height - 64);
}

/// 下拉
- (void)pullDownRequest {
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        self.array = [NSMutableArray arrayWithObjects:@1, @1, @1, @1, nil];
        [self.tableView.mj_header endRefreshing];
        [self.tableView reloadData];
    });
}

/// 上拉
- (void)pullUpRequest {
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        [self.array addObjectsFromArray:@[@(1)]];
        [self.tableView.mj_footer endRefreshing];
        [self.tableView reloadData];
    });
}

#pragma mark - UITableViewDataSource

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return self.array.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"UITableViewCell"];
    if (!cell) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"UITableViewCell"];
    }
    cell.textLabel.text = [NSString stringWithFormat:@"index %@", @(indexPath.row)];
    cell.backgroundColor = [UIColor clearColor];
    return cell;
}

#pragma mark - UITableViewDelegate

- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
    UILabel *label = [[UILabel alloc] init];
    label.text = @"ScetionHeader";
    label.backgroundColor = [UIColor colorWithWhite:0.5 alpha:0.5];
    return label;
}

@end

[gitph101]

您好，邮件已收到。

[gongsunqingyang]

亲，邮件已收到