![]() ![]() They are monochrome images, unlike anything else you have ever seen. For a custom bar item we can supply the icon. Under Title in the properties inspector, we have a drop down for I mage. If we change a System items’s title, it becomes a custom item, and the icon disappears. The lower half has bar item properties, which directly control the title and icon for the tab. Custom Tab Bar ItemsĬlick on the tab bar for the one custom controller.We can see all the tab bar properties. Since we now have five icons, this will keep off the More icon. In the storyboard, delete three view controllers so you get a tab bar like this: It can cause user confusion between the More tab and your own use for More.Ĭlose the simulator. Be careful when using the More icon in a tab bar. One of the system icons you can use is a More icon. ![]() Try getting the tab bar to look like in the above screenshot, then tap Done. You can also drag tabs in the tab bar to change the order. Tab the Edit button, and you get a configuration view:ĭrag one of the icons down to the tab bar. Without any more code, tab bar controllers let users customize their tab bars. If you tap the tab in the table’s cell, the tab’s controller will appear. If you add more than five tabs, it places a More tab as the fifth tab and makes this table view for you. Tap on the More icon.Ĭompact widths cannot handle more than five tabs. We get an extra tab we did not set up titled More. While your icons may be in a different order, you will get something like this for the tab bar at the bottom of the phone: The tab bar controller should look like this: Control-drag from the tab bar controller to each new view controller and assign Contacts, Bookmarks, Search, Downloads ,and Most Viewed to the controllers, leaving one as a custom item. The Icon changes both on the view controller and the tab bar controller.Ĭlick the other view controller’s tab bar, and change the system Icon to Recents.ĭrag out six more view controllers, so we have a total of eight controllers. In the System Item menu, Click the drop-down for System Item. This is where we configure the tab bar button. In the Tab Bar Item properties is the System Item drop down. This will bring up in the properties inspector the Tab Bar Item and Bar Item properties. To configure the tab bar icon, go to the Item icon in the View Controller (not on the tab view controller) we just made and click it. You’ll see a second tab in the tab bar controller. In the popup, select under Relationship Segue the view controllers option.Ī segue appears on the story board. This will turn the single view controller into the first view controller of the tab bar.Īdd another view controller by dragging out a view controller then control-dragging from the tab bar controller to the new controller. Select the view controller by clicking the view controller icon or title, and select Editor>Embed in>Tab Bar Controller. Make a file named SwiftTabBarEmbed, using Swift as the language and with a Universal device. Press Command-Shift-N and select Single View. We’ll try an example of this one in Xcode. The most common way to make a tab bar controller is to start from a single view and embed it in a controller. The template tends to make things more complicated instead of less, so it is rarely used. This will give you a window with two tabs installed with two labels each and a tab item on the bottom of each controller. In Xcode, press Command-Shift-N or File>New>Project. The easiest way to make a tab bar controller is through Xcode’s template. ![]() ![]() For more on data sharing once set up in the storyboard, see Passing Data in Tab Bar controllers Creating from the Template For more on implementing them completely in code see Swift Swift: Using Tab Bar Controllers in Swift. In this lesson, we’ll take a look at tab bar controllers and how to add them in the storyboard. While Navigation controllers often have the limelight when it comes to Xcode controllers, Tab Bar controllers are great for independent tasks in the same app or for different ways of working with the same model. ![]()
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