ios基于MJRefresh实现上拉刷新和下拉加载动画效果

#import <MJRefresh/MJRefresh.h>@interface HZNormalHeader : MJRefreshGifHeader@end

#import "HZNormalHeader.h"@implementation HZNormalHeader#pragma mark - 重写父类的方法- (void)prepare{  [super prepare];  // 设置普通状态的动画图片  NSMutableArray *idleImages = [NSMutableArray array];  for (NSUInteger i = 1; i<=60; i++) {    UIImage *image = [UIImage imageNamed:[NSString stringWithFormat:@"dropdown_anim__000%zd", i]];    [idleImages addObject:image];  }  [self setImages:idleImages forState:MJRefreshStateIdle];  // 设置即将刷新状态的动画图片（一松开就会刷新的状态）  NSMutableArray *refreshingImages = [NSMutableArray array];  for (NSUInteger i = 1; i<=3; i++) {    UIImage *image = [UIImage imageNamed:[NSString stringWithFormat:@"dropdown_loading_0%zd", i]];    [refreshingImages addObject:image];  }  [self setImages:refreshingImages forState:MJRefreshStatePulling];  // 设置正在刷新状态的动画图片  [self setImages:refreshingImages forState:MJRefreshStateRefreshing];  //隐藏时间  self.lastUpdatedTimeLabel.hidden = NO;  //隐藏状态  self.stateLabel.hidden = NO;}

self.tableView.mj_header = [HZNormalHeader headerWithRefreshingBlock:^{    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{      [self.tableView.mj_header endRefreshing];    });  }];

#import <MJRefresh/MJRefresh.h>@interface XZZNormalFooter : MJRefreshAutoGifFooter@end

#import "XZZNormalFooter.h"@implementation XZZNormalFooter#pragma mark - 重写父类的方法- (void)prepare{  [super prepare];  // 设置普通状态的动画图片  NSMutableArray *idleImages = [NSMutableArray array];  for (NSUInteger i = 1; i<=60; i++) {    UIImage *image = [UIImage imageNamed:[NSString stringWithFormat:@"dropdown_anim__000%zd", i]];    [idleImages addObject:image];  }  [self setImages:idleImages forState:MJRefreshStateIdle];  // 设置即将刷新状态的动画图片（一松开就会刷新的状态）  NSMutableArray *refreshingImages = [NSMutableArray array];  for (NSUInteger i = 1; i<=3; i++) {    UIImage *image = [UIImage imageNamed:[NSString stringWithFormat:@"dropdown_loading_0%zd", i]];    [refreshingImages addObject:image];  }  [self setImages:refreshingImages forState:MJRefreshStatePulling];  // 设置正在刷新状态的动画图片  [self setImages:refreshingImages forState:MJRefreshStateRefreshing];  //隐藏时间//  self.lastUpdatedTimeLabel.hidden = NO;  /*隐藏*/  self.refreshingTitleHidden = YES;  //隐藏状态  self.stateLabel.hidden = YES;}@end

self.tableView.mj_footer = [XZZNormalFooter footerWithRefreshingBlock:^{    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{      [self.tableView.mj_footer endRefreshing];    });  }];