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MJRefresh

  • An easy way to use pull-to-refresh

Contents

Support what kinds of controls to refresh

  • UIScrollView、UITableView、UICollectionView、UIWebView

How to use MJRefresh

  • Installation with CocoaPods：pod 'MJRefresh'
  • Manual import：
    • Drag All files in the MJRefresh folder to project
    • Import the main file：#import "MJRefresh.h"
Base                        Custom
MJRefresh.bundle            MJRefresh.h
MJRefreshConst.h            MJRefreshConst.m
UIScrollView+MJExtension.h  UIScrollView+MJExtension.m
UIScrollView+MJRefresh.h    UIScrollView+MJRefresh.m
UIView+MJExtension.h        UIView+MJExtension.m

More than hundreds of Apps are using MJRefresh

* More information of App can focus on：[M了个J-博客园](http://www.cnblogs.com/mjios/p/4409853.html)

The Class Structure Chart of MJRefresh

  • The class of red text in the chart：You can use them directly
    • The drop-down refresh control types
      • Normal：MJRefreshNormalHeader
      • Gif：MJRefreshGifHeader
    • The pull to refresh control types
      • Auto refresh
        • Normal：MJRefreshAutoNormalFooter
        • Gif：MJRefreshAutoGifFooter
      • Auto Back
        • Normal：MJRefreshBackNormalFooter
        • Gif：MJRefreshBackGifFooter
  • The class of non-red text in the chart：For inheritance，to use DIY the control of refresh
  • About how to DIY the control of refresh，You can refer the Class in below Chart

MJRefreshComponent.h

/** The Base Class of refresh control */
@interface MJRefreshComponent : UIView
#pragma mark -  Control the state of Refresh 

/** BeginRefreshing */
- (void)beginRefreshing;
/** EndRefreshing */
- (void)endRefreshing; 
/** IsRefreshing */
- (BOOL)isRefreshing;

#pragma mark - Other
/** According to the drag ratio to change alpha automatically */
@property (assign, nonatomic, getter=isAutomaticallyChangeAlpha) BOOL automaticallyChangeAlpha;
@end

MJRefreshHeader.h

@interface MJRefreshHeader : MJRefreshComponent
/** Creat header */
+ (instancetype)headerWithRefreshingBlock:(MJRefreshComponentRefreshingBlock)refreshingBlock;
/** Creat header */
+ (instancetype)headerWithRefreshingTarget:(id)target refreshingAction:(SEL)action;

/** This key is used to storage the time that the last time of drown-down successfully */
@property (copy, nonatomic) NSString *lastUpdatedTimeKey;
/** The last time of drown-down successfully */
@property (strong, nonatomic, readonly) NSDate *lastUpdatedTime;

/** Ignored scrollView contentInset top */
@property (assign, nonatomic) CGFloat ignoredScrollViewContentInsetTop;
@end

MJRefreshFooter.h

@interface MJRefreshFooter : MJRefreshComponent
/** Creat footer */
+ (instancetype)footerWithRefreshingBlock:(MJRefreshComponentRefreshingBlock)refreshingBlock;
/** Creat footer */
+ (instancetype)footerWithRefreshingTarget:(id)target refreshingAction:(SEL)action;

/** NoticeNoMoreData */
- (void)noticeNoMoreData;
/** ResetNoMoreData（Clear the status of NoMoreData ） */
- (void)resetNoMoreData;

/** Ignored scrollView contentInset bottom */
@property (assign, nonatomic) CGFloat ignoredScrollViewContentInsetBottom;

/** Automaticlly show or hidden by the count of data（Show-have data，Hidden- no data） */
@property (assign, nonatomic) BOOL automaticallyHidden;
@end

MJRefreshAutoFooter.h

@interface MJRefreshAutoFooter : MJRefreshFooter
/** Is Automatically Refresh(Default is Yes) */
@property (assign, nonatomic, getter=isAutomaticallyRefresh) BOOL automaticallyRefresh;

/** When there is much at the bottom of the control is automatically refresh(Default is 1.0，Is at the bottom of the control appears in full, will refresh automatically) */
@property (assign, nonatomic) CGFloat triggerAutomaticallyRefreshPercent;
@end

Reference

* Due to there are more functions of this framework，Don't write specific text describe its usage
* You can directly reference examples MJTableViewController、MJCollectionViewController、MJWebViewController，More intuitive and fast.

The drop-down refresh 01-Default

self.tableView.header = [MJRefreshNormalHeader headerWithRefreshingBlock:^{
   //Call this Block When enter the refresh status automatically 
}];
或
// Set the callback（Once you enter the refresh status，then call the action of target，that is call [self loadNewData]）
self.tableView.header = [MJRefreshNormalHeader headerWithRefreshingTarget:self refreshingAction:@selector(loadNewData)];

// Enter the refresh status immediately
[self.tableView.header beginRefreshing];

(下拉刷新01-普通)

The drop-down refresh 02-Animation image

// Set the callback（一Once you enter the refresh status，then call the action of target，that is call [self loadNewData]）
MJRefreshGifHeader *header = [MJRefreshGifHeader headerWithRefreshingTarget:self refreshingAction:@selector(loadNewData)];
// Set the ordinary state of animated images
[header setImages:idleImages forState:MJRefreshStateIdle];
// Set the pulling state of animated images（Enter the status of refreshing as soon as loosen）
[header setImages:pullingImages forState:MJRefreshStatePulling];
// Set the refreshing state of animated images
[header setImages:refreshingImages forState:MJRefreshStateRefreshing];
// Set header
self.tableView.mj_header = header;

(下拉刷新02-动画图片)

The drop-down refresh 03-Hide the time

// Hide the time
header.lastUpdatedTimeLabel.hidden = YES;

(下拉刷新03-隐藏时间)

The drop-down refresh 04-Hide status and time

// Hide the time
header.lastUpdatedTimeLabel.hidden = YES;

// Hide the status
header.stateLabel.hidden = YES;

(下拉刷新04-隐藏状态和时间0)

The drop-down refresh 05-DIY title

// Set title
[header setTitle:@"Pull down to refresh" forState:MJRefreshStateIdle];
[header setTitle:@"Release to refresh" forState:MJRefreshStatePulling];
[header setTitle:@"Loading ..." forState:MJRefreshStateRefreshing];

// Set font
header.stateLabel.font = [UIFont systemFontOfSize:15];
header.lastUpdatedTimeLabel.font = [UIFont systemFontOfSize:14];

// Set textColor
header.stateLabel.textColor = [UIColor redColor];
header.lastUpdatedTimeLabel.textColor = [UIColor blueColor];

(下拉刷新05-自定义文字)

The drop-down refresh 06-DIY the control of refresh

self.tableView.mj_header = [MJDIYHeader headerWithRefreshingTarget:self refreshingAction:@selector(loadNewData)];
// Implementation reference to MJDIYHeader.h和MJDIYHeader.m

(下拉刷新06-自定义刷新控件)

The pull to refresh 01-Default

self.tableView.mj_footer = [MJRefreshAutoNormalFooter footerWithRefreshingBlock:^{
    //Call this Block When enter the refresh status automatically
}];
或
// Set the callback（Once you enter the refresh status，then call the action of target，that is call [self loadMoreData]）
self.tableView.mj_footer = [MJRefreshAutoNormalFooter footerWithRefreshingTarget:self refreshingAction:@selector(loadMoreData)];

(上拉刷新01-默认)

The pull to refresh 02-Animation image

// Set the callback（Once you enter the refresh status，then call the action of target，that is call [self loadMoreData]）
MJRefreshAutoGifFooter *footer = [MJRefreshAutoGifFooter footerWithRefreshingTarget:self refreshingAction:@selector(loadMoreData)];

// Set the refresh image
[footer setImages:refreshingImages forState:MJRefreshStateRefreshing];

// Set footer
self.tableView.mj_footer = footer;

(上拉刷新02-动画图片)

The pull to refresh 03-Hide the title of refresh status

// Hide the title of refresh status
footer.refreshingTitleHidden = YES;
// If does have not above method，then use footer.stateLabel.hidden = YES;

(上拉刷新03-隐藏刷新状态的文字)

The pull to refresh 04-All loaded

//Become the status of NoMoreData
[footer noticeNoMoreData];

(上拉刷新04-全部加载完毕)

The pull to refresh 05-DIY title

// Set title
[footer setTitle:@"Click or drag up to refresh" forState:MJRefreshStateIdle];
[footer setTitle:@"Loading more ..." forState:MJRefreshStateRefreshing];
[footer setTitle:@"No more data" forState:MJRefreshStateNoMoreData];

// Set font
footer.stateLabel.font = [UIFont systemFontOfSize:17];

// Set textColor
footer.stateLabel.textColor = [UIColor blueColor];

(上拉刷新05-自定义文字)

The pull to refresh 06-Hidden After loaded

//Hidden current control of the pull to refresh
self.tableView.mj_footer.hidden = YES;

(上拉刷新06-加载后隐藏)

The pull to refresh 07-Automatic back of the pull01

self.tableView.mj_footer = [MJRefreshBackNormalFooter footerWithRefreshingTarget:self refreshingAction:@selector(loadMoreData)];

(上拉刷新07-自动回弹的上拉01)

The pull to refresh 08-Automatic back of the pull02

MJRefreshBackGifFooter *footer = [MJRefreshBackGifFooter footerWithRefreshingTarget:self refreshingAction:@selector(loadMoreData)];

// Set the normal state of the animated image
[footer setImages:idleImages forState:MJRefreshStateIdle];
//  Set the pulling state of animated images（Enter the status of refreshing as soon as loosen）
[footer setImages:pullingImages forState:MJRefreshStatePulling];
// Set the refreshing state of animated images
[footer setImages:refreshingImages forState:MJRefreshStateRefreshing];

// Set footer
self.tableView.mj_footer = footer;

(上拉刷新07-自动回弹的上拉02)

The pull to refresh 09-DIY the control of refresh(Automatic refresh)

self.tableView.mj_footer = [MJDIYAutoFooter footerWithRefreshingTarget:self refreshingAction:@selector(loadMoreData)];
// Implementation reference to MJDIYAutoFooter.h和MJDIYAutoFooter.m

(上拉刷新09-自定义刷新控件(自动刷新))

The pull to refresh 10-DIY the control of refresh(Automatic back)

self.tableView.mj_footer = [MJDIYBackFooter footerWithRefreshingTarget:self refreshingAction:@selector(loadMoreData)];
// Implementation reference to MJDIYBackFooter.h和MJDIYBackFooter.m

(上拉刷新10-自定义刷新控件(自动回弹))

UICollectionView01-The pull and drop-down refresh

// The drop-down refresh
self.collectionView.mj_header = [MJRefreshNormalHeader headerWithRefreshingBlock:^{
   //Call this Block When enter the refresh status automatically 
}];

// The pull to refresh
self.collectionView.mj_footer = [MJRefreshAutoNormalFooter footerWithRefreshingBlock:^{
   //Call this Block When enter the refresh status automatically
}];

(UICollectionView01-上下拉刷新)

UIWebView01-The drop-down refresh

//Add the control of The drop-down refresh
self.webView.scrollView.mj_header = [MJRefreshNormalHeader headerWithRefreshingBlock:^{
   //Call this Block When enter the refresh status automatically
}];

(UICollectionView01-上下拉刷新)

Remind

  • ARC
  • iOS>=6.0
  • iPhone \ iPad screen anyway

Hope

  • If you find bug when used，Hope you can Issues me，Thank you or try to download the latest code of this framework to see the BUG has been fixed or not）
  • If you find the function is not enough when used，Hope you can Issues me，I very much to add more useful function to this framework ，Thank you !
  • If you want to contribute code for MJRefresh，please Pull Requests me
  • If you use MJRefresh in your develop app，Hope you can go toCocoaControlsto add the iTunes path of you app，I Will install your app，and according to the usage of many app，to be a better design and improve to MJRefresh，Thank you !
    • StepO1（WeChat is just an Example，Explore“Your app name itunes”） (step01)
    • StepO2 (step02)
    • StepO3 (step03)
    • StepO4 (step04)

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An easy way to use pull-to-refresh.

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