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![(logo)](http://images.cnitblog.com/blog2015/497279/201505/051004492043385.png)
## MJRefresh
![podversion](https://img.shields.io/cocoapods/v/MJRefresh.svg)
* An easy way to use pull-to-refresh
## Contents
* Getting Started
* [Features【Support what kinds of controls to refresh】](#Support_what_kinds_of_controls_to_refresh)
* [Installation【How to use MJRefresh】](#How_to_use_MJRefresh)
* [Who's using【More than hundreds of Apps are using MJRefresh】](#More_than_hundreds_of_Apps_are_using_MJRefresh)
* [Classes【The Class Structure Chart of MJRefresh】](#The_Class_Structure_Chart_of_MJRefresh)
* Comment API
* [MJRefreshComponent.h](#MJRefreshComponent.h)
* [MJRefreshHeader.h](#MJRefreshHeader.h)
* [MJRefreshFooter.h](#MJRefreshFooter.h)
* [MJRefreshAutoFooter.h](#MJRefreshAutoFooter.h)
* Examples
* [Reference](#Reference)
* [The drop-down refresh 01-Default](#The_drop-down_refresh_01-Default)
* [The drop-down refresh 02-Animation image](#The_drop-down_refresh_02-Animation_image)
* [The drop-down refresh 03-Hide the time](#The_drop-down_refresh_03-Hide_the_time)
* [The drop-down refresh 04-Hide status and time](#The_drop-down_refresh_04-Hide_status_and_time)
* [The drop-down refresh 05-DIY title](#The_drop-down_refresh_05-DIY_title)
* [The drop-down refresh 06-DIY the control of refresh](#The_drop-down_refresh_06-DIY_the_control_of_refresh)
* [The pull to refresh 01-Default](#The_pull_to_refresh_01-Default)
* [The pull to refresh 02-Animation image](#The_pull_to_refresh_02-Animation_image)
* [The pull to refresh 03-Hide the title of refresh status](#The_pull_to_refresh_03-Hide_the_title_of_refresh_status)
* [The pull to refresh 04-All loaded](#The_pull_to_refresh_04-All_loaded)
* [The pull to refresh 05-DIY title](#The_pull_to_refresh_05-DIY_title)
* [The pull to refresh 06-Hidden After loaded](#The_pull_to_refresh_06-Hidden_After_loaded)
* [The pull to refresh 07-Automatic back of the pull01](#The_pull_to_refresh_07-Automatic_back_of_the_pull01)
* [The pull to refresh 08-Automatic back of the pull02](#The_pull_to_refresh_08-Automatic_back_of_the_pull02)
* [The pull to refresh 09-DIY the control of refresh(Automatic refresh)](#The_pull_to_refresh_09-DIY_the_control_of_refresh(Automatic_refresh))
* [The pull to refresh 10-DIY the control of refresh(Automatic back)](#The_pull_to_refresh_10-DIY_the_control_of_refresh(Automatic_back))
* [UICollectionView01-The pull and drop-down refresh](#UICollectionView01-The_pull_and_drop-down_refresh)
* [UIWebView01-The drop-down refresh](#UIWebView01-The_drop-down_refresh)
* [Hope](#Hope)
## <a id="Support_what_kinds_of_controls_to_refresh"></a>Support what kinds of controls to refresh
* `UIScrollView`、`UITableView`、`UICollectionView`、`UIWebView`
## <a id="How_to_use_MJRefresh"></a>How to use MJRefresh
* Installation with CocoaPods：`pod 'MJRefresh'`
* Installation with [Carthage](https://github.com/Carthage/Carthage)：`github "CoderMJLee/MJRefresh"`
* Manual import：
* Drag All files in the `MJRefresh` folder to project
* Import the main file：`#import "MJRefresh.h"`
```objc
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
```
## <a id="More_than_hundreds_of_Apps_are_using_MJRefresh"></a>More than hundreds of Apps are using MJRefresh
<img src="http://images0.cnblogs.com/blog2015/497279/201506/141212365041650.png" width="200" height="300">
* More information of App can focus on：[M了个J-博客园](http://www.cnblogs.com/mjios/p/4409853.html)
## <a id="The_Class_Structure_Chart_of_MJRefresh"></a>The Class Structure Chart of MJRefresh
![](http://images0.cnblogs.com/blog2015/497279/201506/132232456139177.png)
- `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<br>
<img src="http://images0.cnblogs.com/blog2015/497279/201506/141358159107893.png" width="30%" height="30%">
## <a id="MJRefreshComponent.h"></a>MJRefreshComponent.h
```objc
/** 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
```
## <a id="MJRefreshHeader.h"></a>MJRefreshHeader.h
```objc
@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
```
## <a id="MJRefreshFooter.h"></a>MJRefreshFooter.h
```objc
@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;
@end
```
## <a id="MJRefreshAutoFooter.h"></a>MJRefreshAutoFooter.h
```objc
@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
```
## <a id="Reference"></a>Reference
```objc
* 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.
```
<img src="http://images0.cnblogs.com/blog2015/497279/201506/141345470048120.png" width="30%" height="30%">
## <a id="The_drop-down_refresh_01-Default"></a>The drop-down refresh 01-Default
```objc
self.tableView.mj_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.mj_header = [MJRefreshNormalHeader headerWithRefreshingTarget:self refreshingAction:@selector(loadNewData)];
// Enter the refresh status immediately
[self.tableView.mj_header beginRefreshing];
```
![(下拉刷新01-普通)](http://images0.cnblogs.com/blog2015/497279/201506/141204343486151.gif)
## <a id="The_drop-down_refresh_02-Animation_image"></a>The drop-down refresh 02-Animation image
```objc
// 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)](http://images0.cnblogs.com/blog2015/497279/201506/141204402238389.gif)
## <a id="The_drop-down_refresh_03-Hide_the_time"></a>The drop-down refresh 03-Hide the time
```objc
// Hide the time
header.lastUpdatedTimeLabel.hidden = YES;
```
![(下拉刷新03-隐藏时间)](http://images0.cnblogs.com/blog2015/497279/201506/141204456132944.gif)
## <a id="The_drop-down_refresh_04-Hide_status_and_time"></a>The drop-down refresh 04-Hide status and time
```objc
// 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)](http://images0.cnblogs.com/blog2015/497279/201506/141204508639539.gif)
## <a id="The_drop-down_refresh_05-DIY_title"></a>The drop-down refresh 05-DIY title
```objc
// 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)](http://images0.cnblogs.com/blog2015/497279/201506/141204563633593.gif)
## <a id="The_drop-down_refresh_06-DIY_the_control_of_refresh"></a>The drop-down refresh 06-DIY the control of refresh
```objc
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)](http://images0.cnblogs.com/blog2015/497279/201506/141205019261159.gif)
## <a id="The_pull_to_refresh_01-Default"></a>The pull to refresh 01-Default
```objc
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)](http://images0.cnblogs.com/blog2015/497279/201506/141205090047696.gif)
## <a id="The_pull_to_refresh_02-Animation_image"></a>The pull to refresh 02-Animation image
```objc
// 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)](http://images0.cnblogs.com/blog2015/497279/201506/141205141445793.gif)
## <a id="The_pull_to_refresh_03-Hide_the_title_of_refresh_status"></a>The pull to refresh 03-Hide the title of refresh status
```objc
// 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)](http://images0.cnblogs.com/blog2015/497279/201506/141205200985774.gif)
## <a id="The_pull_to_refresh_04-All_loaded"></a>The pull to refresh 04-All loaded
```objc
//Become the status of NoMoreData
[footer noticeNoMoreData];
```
![(上拉刷新04-全部加载完毕)](http://images0.cnblogs.com/blog2015/497279/201506/141205248634686.gif)
## <a id="The_pull_to_refresh_05-DIY_title"></a>The pull to refresh 05-DIY title
```objc
// 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)](http://images0.cnblogs.com/blog2015/497279/201506/141205295511153.gif)
## <a id="The_pull_to_refresh_06-Hidden_After_loaded"></a>The pull to refresh 06-Hidden After loaded
```objc
//Hidden current control of the pull to refresh
self.tableView.mj_footer.hidden = YES;
```
![(上拉刷新06-加载后隐藏)](http://images0.cnblogs.com/blog2015/497279/201506/141205343481821.gif)
## <a id="The_pull_to_refresh_07-Automatic_back_of_the_pull01"></a>The pull to refresh 07-Automatic back of the pull01
```objc
self.tableView.mj_footer = [MJRefreshBackNormalFooter footerWithRefreshingTarget:self refreshingAction:@selector(loadMoreData)];
```
![(上拉刷新07-自动回弹的上拉01)](http://images0.cnblogs.com/blog2015/497279/201506/141205392239231.gif)
## <a id="The_pull_to_refresh_08-Automatic_back_of_the_pull02"></a>The pull to refresh 08-Automatic back of the pull02
```objc
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)](http://images0.cnblogs.com/blog2015/497279/201506/141205441443628.gif)
## <a id="The_pull_to_refresh_09-DIY_the_control_of_refresh(Automatic_refresh)"></a>The pull to refresh 09-DIY the control of refresh(Automatic refresh)
```objc
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))](http://images0.cnblogs.com/blog2015/497279/201506/141205500195866.gif)
## <a id="The_pull_to_refresh_10-DIY_the_control_of_refresh(Automatic_back)"></a>The pull to refresh 10-DIY the control of refresh(Automatic back)
```objc
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))](http://images0.cnblogs.com/blog2015/497279/201506/141205560666819.gif)
## <a id="UICollectionView01-The_pull_and_drop-down_refresh"></a>UICollectionView01-The pull and drop-down refresh
```objc
// 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)](http://images0.cnblogs.com/blog2015/497279/201506/141206021603758.gif)
## <a id="UIWebView01-The_drop-down_refresh"></a>UIWebView01-The drop-down refresh
```objc
//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)](http://images0.cnblogs.com/blog2015/497279/201506/141206080514524.gif)
## Remind
* ARC
* iOS>=6.0
* iPhone \ iPad screen anyway
## <a id="Hope"></a>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 to[CocoaControls](https://www.cocoacontrols.com/controls/mjrefresh)to 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)](http://ww4.sinaimg.cn/mw1024/800cdf9ctw1eq0viiv5rsj20sm0ea41t.jpg)
* StepO2
![(step02)](http://ww2.sinaimg.cn/mw1024/800cdf9ctw1eq0vilejxlj20tu0me7a0.jpg)
* StepO3
![(step03)](http://ww1.sinaimg.cn/mw1024/800cdf9ctw1eq0viocpo5j20wc0dc0un.jpg)
* StepO4
![(step04)](http://ww3.sinaimg.cn/mw1024/800cdf9ctw1eq0vir137xj20si0gewgu.jpg)
## 寻求志同道合的小伙伴
- 因本人工作忙，没有太多时间去维护MJRefresh，在此向广大框架使用者说声：非常抱歉！😞
- 现寻求志同道合的小伙伴一起维护此框架，有兴趣的小伙伴可以[发邮件](mailto:richermj123go@vip.qq.com)给我，非常感谢😊
- 如果一切OK，我将开放框架维护权限（github、pod等）
- 目前已经找到3位小伙伴(＾－＾)V