![(logo)](http://images.cnitblog.com/blog2015/497279/201505/051004492043385.png) ## MJRefresh * 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) ## 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"` ```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 ``` ## 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 ![](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
## 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 ``` ## 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 ``` ## 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; /** Automaticlly show or hidden by the count of data（Show-have data，Hidden- no data） */ @property (assign, nonatomic) BOOL automaticallyHidden; @end ``` ## 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 ``` ## 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. ``` ## The drop-down refresh 01-Default ```objc 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)](http://images0.cnblogs.com/blog2015/497279/201506/141204343486151.gif) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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) ## 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 ## 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)