Sina Weibo Project---Home technology point three. Pull-up refresh, implementation of pull-down loading (using the small Daisy with iOS)

I. Pull-up refresh, implementation of pull-down loading (implemented using the small daisy-band)

1. Drop-down Refresh

#pragma mark---the integrated * pull Refresh control-(void) Setupdownrefresh{//1. Adding a Refresh controlUirefreshcontrol *control = [[Uirefreshcontrol alloc] init];The uicontroleventvaluechanged event is triggered only if the user refreshes manually by pulling down[Control addtarget:self Action: @selector (Refreshstatechange:) forcontrolevents:uicontroleventvaluechanged]; [Self.tableview Addsubview:control];//2. Go to refresh status now (just show refresh status and not trigger Uicontroleventvaluechanged event)[Control beginrefreshing];//3. Loading data immediately[Self Refreshstatechange:control];}#pragma Mark---addtargat/action method for the integrated pull-down refresh control-(void) Refreshstatechange: (Uirefreshcontrol *) control{//1. Request ManagerAfhttprequestoperationmanager *mgr = [Afhttprequestoperationmanager manager];//2. Stitching Request ParametersAccountmodel *account = [Accounttool account];    Nsmutabledictionary *params = [Nsmutabledictionary dictionary]; params[@ "Access_token"] = Account.access_token;//Take out the front of the Weibo, (the latest Weibo, the most-id Weibo)Statusframe *FIRSTSTATUSF = [Self.statusframes firstobject]; if (FIRSTSTATUSF) {///If this parameter is specified, a microblog with an ID greater than since_id (that is, Weibo later than SINCE_ID) is returned, and the default is 0params[@ "since_id"] = firstStatusf.status.idstr; }//3. Sending requests[Mgr get:@ "Https://api.weibo.com/2/statuses/friends_timeline.json" Parameters:params success:^ ( Afhttprequestoperation *operation, Nsdictionary *responseobject) {//Convert the "microblog dictionary" array to the "Weibo model" arrayNsarray *newsstatuses = [Statusmodel objectarraywithkeyvaluesarray:responseobject[@ "statuses"];//Convert Hwstatus model to Hwstatusframe modelNsarray *newframes = [self stausframeswithstatuses:newsstatuses];//Add the latest Weibo data to the top of the total groupNsrange range = nsmakerange (0, Newframes.count);        Nsindexset *set = [Nsindexset indexsetwithindexesinrange:range]; [Self.statusframes insertobjects:newframes Atindexes:set];//Refresh table[Self.tableview Reloaddata];//End Refresh[Control endrefreshing];//Show the latest number of Weibo[Self showNewStatusCount:newsStatuses.count]; } failure:^ (Afhttprequestoperation *operation, Nserror *error) {NSLog (@ "request failed--%@", error);//End Refresh[Control endrefreshing]; }];}

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2. Pull-Up load data

#pragma mark---integrated * pull Refresh control-(void) Setupuprefresh{Loadmorefooter *footer = [loadmorefooter footer];        Self.tableView.tableFooterView = footer; Uiscrollview *scrollview = [[Uiscrollview alloc] initWithFrame:self.tableView.frame];//Call pull-up loading method *************[Self scrollviewdidscroll:scrollview];    Footer.hidden = YES; }#pragma mark---Load more weibo data (used when loading previous data)-(void) Loadmorestatus{//1. Request ManagerAfhttprequestoperationmanager *mgr = [Afhttprequestoperationmanager manager];//2. Stitching Request ParametersAccountmodel *account = [Accounttool account];    Nsmutabledictionary *params = [Nsmutabledictionary dictionary]; params[@ "Access_token"] = Account.access_token;//Take out the front of the Weibo, (the latest Weibo, the most-id Weibo)Statusframe *LASTSTATUSF = [Self.statusframes lastobject]; if (LASTSTATUSF) {///If this parameter is specified, a microblog with an ID greater than since_id (that is, Weibo later than SINCE_ID) is returned, and the default is 0Long Long maxid = laststatusf.status.idstr.longlongvalue-1;    params[@ "max_id"] = @ (MAXID); }//3. Sending requests[Mgr get:@ "Https://api.weibo.com/2/statuses/friends_timeline.json" Parameters:params success:^ ( Afhttprequestoperation *operation, Nsdictionary *responseobject) {//Convert the "microblog dictionary" array to the "Weibo model" arrayNsarray *newsstatuses = [Statusmodel objectarraywithkeyvaluesarray:responseobject[@ "statuses"];//Convert Hwstatus model to Hwstatusframe modelNsarray *newframes = [self stausframeswithstatuses:newsstatuses];//Add more data to the last side of the array[Self.statusframes Addobjectsfromarray:newframes];//Refresh table[Self.tableview Reloaddata];//End Refresh (hide footer)Self.tableView.tableFooterView.hidden = YES; } failure:^ (Afhttprequestoperation *operation, Nserror *error) {NSLog (@ "request failed--%@", error);//End RefreshSelf.tableView.tableFooterView.hidden = YES; }];}

Sina Weibo Project---Home technology point three. Pull-up refresh, implementation of pull-down loading (using the small Daisy with iOS)