//
// ViewController.m
// Refresh
//
// Created by Apple on 16/7/19.
// Copyright © 2016年 mac. All rights reserved.
//
#import "ViewController.h"
#import "MJRefresh.h"
#import "DIYRefreshHeader.h"
@interface ViewController ()<UITableViewDelegate,UITableViewDataSource>
@property (nonatomic, strong) UITableView *
tableView;
@property (nonatomic, strong) NSArray *
dataArr;
@end
@implementation ViewController
- (
void)viewDidLoad {
[super viewDidLoad];
_dataArr = @[
@"1",
@"2",
@"3",
@"4",
@"5",
@"6",
@"7",
@"8",
@"9",
@"10"];
_tableView =
[[UITableView alloc] initWithFrame:self.view.bounds style:UITableViewStylePlain];
_tableView.delegate =
self;
_tableView.dataSource =
self;
[self.view addSubview:_tableView];
// 设置回调（一旦进入刷新状态，就调用target的action，也就是调用self的loadNewData方法）
self.tableView.mj_header =
[DIYRefreshHeader headerWithRefreshingTarget:self refreshingAction:@selector(loadNewData)];
[self.tableView.mj_header beginRefreshing];
}
- (NSInteger)tableView:(UITableView *
)tableView numberOfRowsInSection:(NSInteger)section {
return _dataArr.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *
)indexPath {
static NSString *str =
@"cell";
UITableViewCell *cell =
[tableView dequeueReusableCellWithIdentifier:str];
if (!
cell) {
cell =
[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:str];
}
cell.textLabel.text =
_dataArr[indexPath.row];
return cell;
}
#pragma mark - 数据处理相关
#pragma mark 下拉刷新数据
- (
void)loadNewData {
}
- (
void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
//
// DIYBackFooter.m
// Refresh
//
// Created by Apple on 16/7/20.
// Copyright © 2016年 mac. All rights reserved.
//
#import "DIYBackFooter.h"
@interface DIYBackFooter ()
@property (weak, nonatomic) UILabel *
lable;
@property (weak, nonatomic) UIImageView *
logoImg;
@property (weak, nonatomic) UIImageView *
loadingImg;
@end
//在DIYBackFooter 这个类中,自定义
@implementation DIYBackFooter
#pragma mark - 重写方法
#pragma mark 在这里做一些初始化配置（比如添加子控件）
- (
void)prepare {
[super prepare];
//设置控件的高度
self.mj_h =
60.0f;
//添加 lable
UILabel *lable =
[[UILabel alloc] init];
lable.font = [UIFont boldSystemFontOfSize:
10.0f];
lable.textAlignment =
NSTextAlignmentCenter;
[self addSubview:lable];
self.lable =
lable;
//logo
UIImageView *logo = [[UIImageView alloc] initWithImage:[UIImage imageNamed:
@"loading_logo.png"]];
[self addSubview:logo];
self.logoImg =
logo;
//loadingImg
UIImageView *loading = [[UIImageView alloc] initWithImage:[UIImage imageNamed:
@"loading_logo_round"]];
[self addSubview:loading];
self.loadingImg =
loading;
}
#pragma mark 在这里设置子控件的位置和尺寸
- (
void)placeSubviews {
[super placeSubviews];
self.logoImg.frame = CGRectMake(
0,
0,
26.0f,
26.0f);
self.logoImg.center = CGPointMake(self.mj_w *
0.5, self.mj_h *
0.5 -
10.0f);
self.loadingImg.frame = CGRectMake(
0,
0,
36.0f,
36.0f);
self.loadingImg.center = CGPointMake(self.mj_w *
0.5, self.mj_h *
0.5 -
10.0f);
self.lable.frame = CGRectMake(self.mj_w *
0.5 -
40.0f, self.mj_h -
15.0f,
80.0f,
12.0f);
}
#pragma mark 监听scrollView的contentOffset改变
- (
void)scrollViewContentOffsetDidChange:(NSDictionary *
)change
{
[super scrollViewContentOffsetDidChange:change];
}
#pragma mark 监听scrollView的contentSize改变
- (
void)scrollViewContentSizeDidChange:(NSDictionary *
)change
{
[super scrollViewContentSizeDidChange:change];
}
#pragma mark 监听scrollView的拖拽状态改变
- (
void)scrollViewPanStateDidChange:(NSDictionary *
)change
{
[super scrollViewPanStateDidChange:change];
}
#pragma mark 监听控件的刷新状态
- (
void)setState:(MJRefreshState)state
{
MJRefreshCheckState;
switch (state) {
case MJRefreshStateIdle: {
[self.loadingImg stopAnimating];
self.lable.text =
@"下拉刷新";
}
break;
case MJRefreshStatePulling: {
[self.loadingImg stopAnimating];
self.lable.text =
@"松开刷新";
[self isAnimation];
}
break;
case MJRefreshStateRefreshing: {
self.lable.text =
@"正在刷新";
[self isAnimation];
[self.loadingImg startAnimating];
}
break;
default:
break;
}
}
- (
void)isAnimation {
CABasicAnimation* rotationAnimation = [CABasicAnimation animationWithKeyPath:
@"transform.rotation.z"];
rotationAnimation.toValue =
[NSNumber numberWithFloat:M_PI];
rotationAnimation.duration =
3 *
0.075;
rotationAnimation.cumulative =
YES;
rotationAnimation.repeatCount =
10;
[self.loadingImg.layer addAnimation:rotationAnimation forKey:@"rotationAnimation"];
}
#pragma mark 监听拖拽比例（控件被拖出来的比例）
- (
void)setPullingPercent:(CGFloat)pullingPercent {
[super setPullingPercent:pullingPercent];
}
@end
转载于:https://www.cnblogs.com/ningmengcao-ios/p/5727972.html
