移动开发平台 mPaaS 下拉刷新控件

上拉刷新组件（AUDragLoadingView）和下拉刷新组件（Aupullloadingview）提供上拉或下拉页面时的加载样式。

以下非业务定制化的控件，都需要切换为下拉（AUPullLoadingView）或上拉（AUDragLoadingView）组件。

CommonUI：ODRefreshControl、APCircleRefreshControl、EGORefreshTableHeaderView、APNextPagePullView。

效果图

接口说明

• AUPullLoadingView.h

      
  
       
   //
       
   // EGORefreshTableHeaderView.h
       
   // Demo
       
   //
       
  
       
   #import <UIKit/UIKit.h>
       
   #import <QuartzCore/QuartzCore.h>
       
  
       
   typedef enum {
       
   AUEGOPullingDown = 1000,
       
   AUEGOPullingUp
       
   } AUEGOPullDirection;
       
  
       
   typedef enum{
       
   AUEGOOPullRefreshPulling = 0,
       
   AUEGOOPullRefreshNormal,
       
   AUEGOOPullRefreshLoading,
       
   } AUEGOPullRefreshState;
       
  
       
   @class AULoadingIndicatorView;
       
   @protocol AURefreshLoadingViewDelegate;
       
   /*！
       
   @class AURefreshLoadingView
       
   @abstract UIView
       
   @discussion 从第三方 EGORefreshTableHeaderView 迁移而来，功能下拉、上拉加载更多的 view
       
   */
       
  
       
   @interface AUPullLoadingView : UIView {
       
  
       
   __weak id _delegate;
       
   AUEGOPullRefreshState _state;
       
  
       
   UILabel *_lastUpdatedLabel;
       
   UILabel *_statusLabel;
       
   // APActivityIndicatorView *_activityView;
       
   AUEGOPullDirection _pullDirection;
       
  
       
   BOOL isAutoPullFlag;
       
   }
       
   @property(nonatomic, strong) AULoadingIndicatorView *activityView;
       
  
       
   /**
       
   * 上拉加载时，设置初始状态文案信息，默认为“上拉加载更多”，显示
       
   *
       
   * @param tip tips内容
       
   *
       
   */
       
   - (void)setPullUp:(NSString *)tip;
       
  
       
   /**
       
   * 下拉刷新时，设置初始状态文案信息，默认为“下拉刷新”。不显示
       
   *
       
   * @param tip tips内容
       
   *
       
   */
       
   - (void)setPullDown:(NSString *)tip;
       
  
       
   /**
       
   * 设置松手后 loading 过程中的文案信息，默认为“加载中”。
       
   * 注意：默认下拉刷新时不显示，上拉加载时显示
       
   *
       
   * @param tip tips内容
       
   *
       
   */
       
   - (void)setLoading:(NSString *)tip;
       
  
       
   /**
       
   * 提示用户可以放手的文案信息，默认为“释放即可刷新”
       
   *
       
   * @param tip tips内容
       
   *
       
   */
       
   - (void)setRelease:(NSString *)tip;
       
  
       
   /**
       
   * 是否显示上次刷新信息的文案，默认不显示
       
   *
       
   * @param isOpen YES 表示显示
       
   *
       
   */
       
   - (void)ShowLastPullDate:(BOOL)isOpen;
       
  
       
   /**
       
   * 是否显示加载状态信息的文案。
       
   * 
       
   * 默认：下拉刷新时不显示，上拉加载时，显示文案“加载中”
       
   *
       
   * @param isShow YES 表示显示
       
   *
       
   */
       
   - (void)ShowStatusLabel:(BOOL)isShow;
       
  
       
   - (void)setDateFormat:(NSDateFormatter *)dateFromatter;
       
  
       
   - (void)setAutoPull:(BOOL)isAutoPull;
       
  
       
   @property(nonatomic,weak) id <AURefreshLoadingViewDelegate> delegate;
       
  
       
   - (void)refreshLastUpdatedDate;
       
   - (void)egoRefreshScrollViewDidScroll:(UIScrollView *)scrollView;
       
   - (void)egoRefreshScrollViewDidEndDragging:(UIScrollView *)scrollView;
       
   - (void)egoRefreshScrollViewDataSourceDidFinishedLoading:(UIScrollView *)scrollView;
       
   - (void)egoRefreshScrollViewDataSourceDidFinishedLoadingWithoutUpdate:(UIScrollView *)scrollView;
       
  
       
   - (void)autoUpdateScrollView:(UIScrollView *)scrollView;
       
  
       
   #pragma Mark -- for LegacySystem not recommend
       
   @property(nonatomic,assign) AUEGOPullRefreshState state;
       
   @property(nonatomic,retain) NSString *statusText;
       
   @property (nonatomic, retain) UILabel *lastUpdatedLabel;
       
   @property (nonatomic, retain) UILabel *statusLabel;
       
  
       
   - (void)setCurrentDate;
       
  
       
   @end
       
  
       
   @protocol AURefreshLoadingViewDelegate
       
   - (void)egoRefreshTableHeaderDidTriggerRefresh:(AUPullLoadingView*)view;
       
   - (BOOL)egoRefreshTableHeaderDataSourceIsLoading:(AUPullLoadingView*)view;
       
   @optional
       
   - (NSDate*)egoRefreshTableHeaderDataSourceLastUpdated:(AUPullLoadingView*)view;
       
   @end
      

• AUDragLoadingView.h

  详情请参见 上拉刷新控件。

代码示例

  

   
//
   
// APRefreshTableViewController.m
   
// UIDemo
   
//
   

   
#import "APRefreshTableViewController.h"
   
@interface APRefreshTableViewController ()
   
{
   
 BOOL _headerReloading;
   
 BOOL _footerReloading;
   
 BOOL _isHeader;
   
}
   
@property(nonatomic,strong)AUPullLoadingView *refreshHeaderView;
   
@property(nonatomic,strong)AUDragLoadingView *refreshFooterView;
   
@property(nonatomic, strong) UITableView *tableView;
   
@property(nonatomic, strong) NSMutableArray* listArray;
   

   

   
@end
   

   
@implementation APRefreshTableViewController
   

   
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
   
{
   
 self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
   
 if (self) {
   
 // Custom initialization
   
 NSArray *array = @[@"0",
   
 @"1",
   
 @"2",
   
 @"3",
   
 @"4",
   
 @"5",
   
 @"6",
   
 @"7",
   
 @"8",
   
 @"9",
   
 @"10",
   
 @"11",
   
 @"12",
   
 @"13",
   
 @"14",
   
 @"15",
   
 @"16",
   
 @"17",
   
 @"18",
   
 @"19"];
   
 self.listArray = [NSMutableArray arrayWithArray:array];
   
 }
   
 return self;
   
}
   

   
- (void)viewDidLoad
   
{
   
 [super viewDidLoad];
   
 // Do any additional setup after loading the view.
   
 self.edgesForExtendedLayout = UIRectEdgeNone;
   
// self.navigationItem.rightBarButtonItem = [APUtil getBarButtonWithTitle:RightBarButtonTitle target:self];
   

   
 self.tableView = [[UITableView alloc]initWithFrame:self.view.bounds style:UITableViewStylePlain];
   
 self.tableView.dataSource = self;
   
 self.tableView.delegate = self;
   
 self.tableView.backgroundColor = [UIColor colorWithRGB:0xf5f5f9];
   
 self.tableView.separatorColor = [UIColor colorWithRGB:0xdddddd];
   
 [self.view addSubview:self.tableView];
   

   
 if (_refreshHeaderView == nil) {
   

   
 AUPullLoadingView *view = [[AUPullLoadingView alloc] initWithFrame:CGRectMake(0.0f, 0.0f - self.tableView.bounds.size.height, self.view.frame.size.width, self.tableView.bounds.size.height)];
   
 view.delegate = self;
   
 [view ShowLastPullDate:YES];
   
 [view ShowStatusLabel:NO];
   

   
 [self.tableView addSubview:view];
   
 _refreshHeaderView = view;
   
 }
   
 [_refreshHeaderView refreshLastUpdatedDate];
   

   
 if (_refreshFooterView == nil) {
   
 AUDragLoadingView *view = [[AUDragLoadingView alloc] initWithFrame:CGRectMake(0, 0, self.view.bounds.size.width, 48)];
   
 view.delegate = self;
   
 [view setPullUp:@"上拉加载更多信息"];
   
 [view setRelease:@"放松"];
   
 self.tableView.tableFooterView = view;
   
 _refreshFooterView = view;
   
 }
   

   
 _isHeader = YES;
   
}
   

   
- (void)didReceiveMemoryWarning
   
{
   
 [super didReceiveMemoryWarning];
   
 // Dispose of any resources that can be recreated.
   
}
   

   
#pragma tableview datasource
   
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
   
{
   
 return 1;
   
}
   

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

   
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
   
{
   
 static NSString *CellIdentifier = @"RefreshCell";
   
 UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
   
 if (nil == cell)
   
 {
   
 cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
   
 reuseIdentifier:CellIdentifier];
   
 }
   
 cell.textLabel.text = _listArray[indexPath.row];
   
 cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
   

   
 return cell;
   
}
   

   
#pragma mark -
   
#pragma mark Data Source Loading / Reloading Methods
   

   
- (void)reloadHeaderTableViewDataSource{
   

   
 // should be calling your tableviews data source model to reload
   
 // put here just for demo
   
 NSInteger first = [_listArray[0] integerValue] - 1;
   
 [_listArray insertObject:[NSString stringWithFormat:@"%li",(long)first] atIndex:0];
   

   
 _headerReloading = YES;
   
}
   

   
- (void)doneLoadingHeaderTableViewData{
   

   
 // model should call this when its done loading
   
 _headerReloading = NO;
   
 [_refreshHeaderView egoRefreshScrollViewDataSourceDidFinishedLoading:self.tableView];
   
 [self.tableView reloadData];
   

   
}
   

   
- (void)reloadFooterTableViewDataSource{
   

   
 // should be calling your tableviews data source model to reload
   
 // put here just for demo
   
 NSInteger count = [_listArray count];
   
 NSInteger last = [_listArray[count-1] integerValue] + 1;
   
 [_listArray addObject:[NSString stringWithFormat:@"%li",(long)last]];
   

   
 _footerReloading = YES;
   
}
   

   
- (void)doneLoadingFooterTableViewData{
   

   
 // model should call this when its done loading
   
 _footerReloading = NO;
   
 [_refreshFooterView egoRefreshScrollViewDataSourceDidFinishedLoading:self.tableView];
   
 [self.tableView reloadData];
   

   
}
   

   
#pragma mark -
   
#pragma mark UIScrollViewDelegate Methods
   

   
- (void)scrollViewDidScroll:(UIScrollView *)scrollView
   
{
   
 if (scrollView.contentInset.top + scrollView.contentOffset.y < 0) {
   
 _isHeader = YES;
   
 } else {
   
 _isHeader = NO;
   
 }
   

   
 if (_isHeader) {
   
 [_refreshHeaderView egoRefreshScrollViewDidScroll:scrollView];
   
 } else {
   
 [_refreshFooterView egoRefreshScrollViewDidScroll:scrollView];
   
 }
   
}
   

   
- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate
   
{
   
 if (_isHeader) {
   
 [_refreshHeaderView egoRefreshScrollViewDidEndDragging:scrollView];
   
 } else {
   
 [_refreshFooterView egoRefreshScrollViewDidEndDragging:scrollView];
   
 }
   
}
   

   
#pragma mark -
   
#pragma mark EGORefreshTableHeaderDelegate Methods
   

   
- (void)egoRefreshTableHeaderDidTriggerRefresh:(AUPullLoadingView*)view
   
{
   
 if (_isHeader) {
   
 [self reloadHeaderTableViewDataSource];
   
 [self performSelector:@selector(doneLoadingHeaderTableViewData) withObject:nil afterDelay:2.0];
   
 } else {
   
 [self reloadFooterTableViewDataSource];
   
 [self performSelector:@selector(doneLoadingFooterTableViewData) withObject:nil afterDelay:2.0];
   
 }
   

   
}
   

   
- (BOOL)egoRefreshTableHeaderDataSourceIsLoading:(AUPullLoadingView*)view
   
{
   
 if (_isHeader) {
   
 return _headerReloading;
   
 } else {
   
 return _footerReloading; // should return if data source model is reloading
   
 }
   

   
}
   

   
- (NSDate*)egoRefreshTableHeaderDataSourceLastUpdated:(AUPullLoadingView*)view{
   

   
 return [NSDate date]; // should return date data source was last changed
   

   
}
   

   
@end