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POHow to animate table view cells when switching between buttons of UISegmentedControl?
 

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  1. POHow to animate table view cells when switching between buttons of UISegmentedControl?
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    <p>My application is looking like the below image</p> <p><img src="https://i.stack.imgur.com/yTitp.png" alt="enter image description here"> <img src="https://i.stack.imgur.com/hDIgd.png" alt="enter image description here"></p> <p>I have 3 buttons in my segmented control. Assume that hitting the "Department" button will display 3 departments &amp; hitting "Name" button will show 6 names.</p> <p>I follow the below steps to make this..</p> <ol> <li><p>Create UISegmentedControl by this code</p> <pre><code>segmentedControl = [[UISegmentedControl alloc] initWithItems:[NSArray arrayWithObjects:@"Department", @"Name", @"ID",nil]]; //Initialize Segmented Control segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar; //Define bar type (optional) segmentedControl.selectedSegmentIndex = 0; //Define default clicked button [segmentedControl addTarget:self action:@selector(segmentClicked) forControlEvents:UIControlEventValueChanged]; //Set target and define which method should called when tapping buttons self.navigationItem.titleView = segmentedControl; //To add UISegmented Control in the title of the navigation bar </code></pre></li> <li><p>Define the method(<code>segmentClicked</code>) for UISegmented Control</p> <pre><code>segment = segmentedControl.selectedSegmentIndex; if (segment==0) { //Do something for Department tab [self.tableView reloadData]; } else if (segment==1) { //Do something for Name tab [self.tableView reloadData]; } else { //Do something for ID tab [self.tableView reloadData]; } </code></pre></li> <li><p>Create the cells with reference to the value of segment in <code>tableView: cellForRowAtIndexPath:</code> method. (So that we can get various cells for each UISegmentedControl buttons)</p> <pre><code>if (segment == 0) { cell.textLabel.text = [listOfDepartments objectAtIndex:indexPath.section]; //listOfDepartments is the NSMutableArray that contains list of Departments names } else if (segment == 1) { cell.textLabel.text = [listOfNames objectAtIndex:indexPath.section]; //listOfNames is the NSMutableArray that contains list of person names } else { cell.textLabel.text = [listOfIDs objectAtIndex:indexPath.section]; //listOfIDs is the NSMutableArray that contains list of person ID's } return cell; </code></pre></li> </ol> <p>So, finally i got the view showed in the above image.</p> <p>When i press on the UISegmentedControl buttons, the table view reloads its cells &amp; showing corresponding values perfectly. By default, the "Department" button was selected. If i tap the "Name" button(that is, table will show 6 cells instead of 3), The table changes immediately without any animations. It simply hide 3 cells of department names and showing 6 cells that displaying names of persons without any animations. I could not find a way to making the cell changes with smooth animations. </p> <p>What should i implement to achieve the smooth animations? </p> <p>Thanks in Advance</p>
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