uitableview | 易学教程

Insert section to UITableview

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问题 How to add a new section programmatically to UITableview? I have pagination and when I try call insertSections in performBatchUpdates it works fine for the first time but when load second page UITableview does't update (no errors just not updated and do not called completion block). private var periods = [PeriodHistoryModel]() func fetchHistoryWith(models: [PeriodHistoryModel]) { guard models.count > 0 else { return } let newSectionsCount = models.count - periods.count let lastPeriod =

Selections from List and reload Tableview Swift

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问题 I am quite new to this. I am getting an issue with selection items and post back to tableview on specific index cell (reload). Scenario: I have two view controllers and both contains tableview. FirstViewController: I am already displaying data from webservice into Tableview but on different action types I have used didSelectRow function which shows to ListViewController for item selection. In FirstViewController main model is Unit. ListViewController: Simple list of data displaying in

Selections from List and reload Tableview Swift

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iOS_动态插入或删除行

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终于效果图: 分MVC三层设计;自己定义的Cell有两种;一种是MainCell,由ModelArr提供数据源;还有一种是插入的cell,由代码创建,而且由另外一个数组供状态数据数据源部分: // // MyProjectCellModel.h // 动态插入删除行 // // Created by beyond on 14-10-18. // Copyright (c) 2014年 com.beyond All rights reserved. // 列表的cell用到的数据模型 #import <Foundation/Foundation.h> @interface MyProjectCellModel : NSObject // 图标 @property (nonatomic,copy) NSString *icon; // 标题 @property (nonatomic,copy) NSString *title; // 公布状态 @property (nonatomic,copy) NSString *publishStatus; // 日期 @property (nonatomic,copy) NSString *date; // 多少人关注 @property (nonatomic,copy) NSString *num; // 点击最右側的button

'Invalid update: invalid number of rows in section 1

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问题 I am trying to reorder the chats in a tableView. The most recent updated chat should be insert at IndexPath(row: 0, section: 1) . My understanding is that in order to delete a row, it must be visible. If the row is not visible, when Data Source is updated, I just have to tableView.insertRows(at: [newIndex], with: .fade) . *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Invalid update: invalid number of rows in section 1. The number of rows contained

Width for section index titles in table view

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问题 Is it possible to get the width of the section index titles in a table view? iOS 9 made these slightly wider. 来源： https://stackoverflow.com/questions/32533667/width-for-section-index-titles-in-table-view

Width for section index titles in table view

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UITableViewAutomaticDimension

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问题 I have a table view which has dynamic cells created by code. In IOS 7 to make sure the cell is displayed fully, I override the method heightForRowAtIndexPath overriding this method in ios8 seems to make my cells just be one on top of the other, and all sized 67.0003 I do not want to create an autolayout layout for the cells, they are too complex and already made Is there a way to fix the height issue in ios 8? 回答1: There is no problem with the method heightForRowAtIndexPath, it works well in

Xcode - Segue issues

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问题 i've been trying to get a segue to work. I've written the following... but for some reason, the ...preparesegue... method doesnt fire. I've read other related posts but i cant get it to fire, and just as importantly, the variable i'm need isnt transferred. m file: @implementation CountryTableViewController -(void) getData:(NSData *) data { NSError *error; json = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:&error]; [self.tableView reloadData]; } -(void) start { NSURL

Xcode - Segue issues

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