How do you make a table view with multiple cell types?

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How do you make a table view with multiple cell types?

Initiate and show custom cells in table view’s delegate method.

  1. Create cells on storyboard.
  2. Create custom UITableViewCell classes.
  3. Assign custom class and identifier to cell prototypes.
  4. Connect UI elements to swift code.
  5. Add code to view controller and control the table view.
  6. Give it a try 🙂

How cells are reused in UITableView?

This method is called whenever a tableView dequeues a cell. So any cached data should be cleared here or it will persist in the dequeued cell unless you manually change it before returning it in the cellForRowAt method.

How do you give a space between two cells in UITableView in Swift?

  1. Add UITableView in your controller.
  2. Set the separator style to none (from attributes inspector)
  3. Set the height of the row 5 pts more from top and bottom from the desired height.

How do you customize a table view cell in IOS Swift?

Create a Custom UITableViewCell with Swift

  1. Step 1: Create a new Cocoa Touch Class.
  2. Step 2: Designing the Cell.
  3. Step 3: Registering the new custom UITableViewCell with the UITableView.
  4. Step 4: Calling the registerTableViewCells method.
  5. Step 5: Updating the CellForRowAtIndexPath function.

Do I need to register UITableViewCell?

You must register all the cells upfront which you are going to use in tableview. developer.apple.com/documentation/uikit/uitableview/… . This is explanation. Please, don’t use tags.

How does a dequeue reusable cell work?

When the new cells appearing from the bottom need to be drawn they are dequeued from the reuse queue instead of initialising new instances, thereby keeping memory usage down. This is also why it’s important that you configure the properties of your cell outside of the if (cell == nil) condition.

How do I add a space between cells in Swift?

The basic idea is to create a new section (rather than a new row) for each array item. The sections can then be spaced using the section header height. Set up your project as described in UITableView example for Swift. (That is, add a UITableView and hook up the tableView outlet to the View Controller).

What is a reuse identifier?

The reuse identifier is associated with a UITableViewCell object that the table-view’s delegate creates with the intent to reuse it as the basis (for performance reasons) for multiple rows of a table view. It is assigned to the cell object in init(frame:reuseIdentifier:) and cannot be changed thereafter.

What does tableView Register do?

Recycling Table View Cells. Registers a nib object that contains a cell with the table view under a specified identifier. Returns a reusable table-view cell object for the specified reuse identifier and adds it to the table.

How do I override the cell style of a UITableView cell?

The init (style:reuseIdentifier) method is a great place to override the cell style property if you are going to use the default UITableViewCell programmatically, but with different styles (there is no option to set cellStyle after the cell was initialized).

How to get the height of a cell in UITableView?

Currently, you can see the getHeight () function which will return the height of each cell type, and also getClass () which returns the type of the cell for the given case. FormCellType is the enum type where you need to define the fields that you are going to be using in the UITableView and its settings like title, placeholder, keyboardType etc.

What are the advantages of using UITableView?

Through a simple delegate pattern, we can provide various information for the UITableView class, so it’ll to know how much sections and rows will be needed, what kind of cells should be displayed for each row, and many more little details. Another thing is that UITableView is a really efficient class.

What is the difference between UIScrollView and UITableView?

Another thing is that UITableView is a really efficient class. It’ll reuse all the cells that are currently not displayed on the screen, so it’ll consume way less memory than a UIScrollView, if you have to deal with hundreds or thousands of items.