App Development Exam > App Development Videos > Swift in Xcode: The Complete iOS Development Guide > How to Add a Segmented Controller with Swift in Xcode
How to Add a Segmented Controller with Swift in Xcode Video Lecture | Swift in Xcode: The Complete iOS Development Guide - App Development
FAQs on How to Add a Segmented Controller with Swift in Xcode Video Lecture - Swift in Xcode: The Complete iOS Development Guide - App Development
| 1. How do I add a segmented controller in Swift using Xcode? |  |
Ans. To add a segmented controller in Swift using Xcode, follow these steps:
1. Open your Xcode project and go to the storyboard.
2. Drag and drop a Segmented Control from the Object Library onto your view controller.
3. Customize the segmented control by selecting it and adjusting the properties in the Attributes Inspector.
4. Implement the necessary code in your view controller class to handle the selected segment changes.
| 2. How can I customize the appearance of the segmented controller in Swift? | |
Ans. To customize the appearance of the segmented controller in Swift, you can use the following methods and properties:
1. Use the `setTitle(_:forSegmentAt:)` method to set titles for each segment.
2. Modify the `selectedSegmentTintColor` property to change the background color of the selected segment.
3. Use the `setTitleTextAttributes(_:for:)` method to customize the text attributes, such as font, color, and shadow, for the segments.
| 3. How can I handle the selected segment changes in Swift? | |
Ans. To handle the selected segment changes in Swift, you need to implement the `ValueChanged` event for the segmented control. You can do this by following these steps:
1. Open the Assistant Editor in Xcode to display the view controller's code alongside the storyboard.
2. Ctrl-drag from the segmented control to your view controller's code to create an action.
3. Select the `ValueChanged` event from the popup menu.
4. Implement the necessary code inside the action method to perform the desired actions when the selected segment changes.
| 4. Can I add more than two segments to a segmented controller in Swift? | |
Ans. Yes, you can add more than two segments to a segmented controller in Swift. The segmented control allows you to add multiple segments by dragging and dropping them onto the control in the storyboard. You can customize the appearance and behavior of each segment individually by accessing them through their index using the `setTitle(_:forSegmentAt:)` method and other related properties.
| 5. How can I programmatically select a segment in a segmented controller in Swift? | |
Ans. To programmatically select a segment in a segmented controller in Swift, you can use the `selectedSegmentIndex` property. Set the value of this property to the index of the segment you want to select, starting from 0 for the first segment. The segmented control will then update its appearance to reflect the selected segment, and the `ValueChanged` event will be triggered if implemented.
Text Transcript from Video
hey guys so today I'm going to show you
how to use segmented control in your
Xcode 6 app with Swift so without any
further ado let's get started alright
guys so to get started let's go ahead
and open up Xcode 6 and let's create a
new Xcode project it'll be a single View
application and our product name I'm
just going to call mine selection you
guys can call it whatever you want our
language will be set to swift in our
devices will be set to iPhone now click
Next now create and replace my old one
alright now let's go to our main dot
storyboard and here we're going to add a
segmented control onto our view
controller and I'm putting it off to the
to the left of the screen just because
that is the posit I found that this
positioning does better at least in the
beta it's better for testing right there
alright now let's go ahead and add one
more segment so go ahead click and add
one more segment over here as you see
and let's make it a bit bigger so we can
see all the words and now select the
third statement that we just created as
you can see it's as you can see it
starts at 0 and it goes one two so let's
go ahead and click on segment two and
we're going to change the title to third
alright now let's go ahead and click and
drag a label on to our scene and we're
going to make this label a bit bigger
but this is just for tutorial purposes
that I'm adding this label it gives you
a good idea of how how things work
alright now let's go ahead and go to our
view controller dot Swift and here we're
going to add actually let's go back to
our main dot storyboard open up our
assistant editor that way we can that we
can add these elements that we just
created onto our view controller dot
Swift file now click and drag from our
segmented control and go ahead right
inside of our class view controller and
just call this controller and connect
and now let's click it control and
direct click and drag from our label and
we're going to add that right above
there in this will just call this label
now connect and lastly let's go ahead
and control click and drag from our
segmented control again and
go right down here and we're going to
make it an action this time so
connection it should be action and our
name will just say change label right
now connect and let's go ahead and go to
our view controller dot Swift file and
close our editor alright now let's go
down here and we're going to say if
controller dot selected segment index
equals equals zero and as you remember
it starts at zero and goes 1 0 1 2 and
so on so it starts at 0 so this will be
first so if controller dot selected a
segment index equals equals 0 then label
dot txt equals to say hello and now I'm
just going to copy that paste it twice
so we can have our index for the rest of
it and I say if controller dot selected
segment index equals equals 1 and then
lastly 2 and we will change our label
dot text in our second on our second one
to world and lastly we will change their
label dot x2 this is Jared all right now
let's go ahead and build and run this to
see if it works now as you can see it
loaded up and when we click on second
first it's a first it says hello second
it says world and third it says this is
Jared and also just letting you guys
know if you were wondering why it said
label at the beginning it we didn't add
anything to our viewdidload over here so
if you guys want to have something pop
up as soon as the screen loads up you
just change that in your buted load but
as it as you can see it all works hello
world this is Jared anyway guys that's
it for this tutorial if you guys enjoyed
it be sure to hit that like button down
below and if you guys have any comments
or questions or things I can improve
upon be sure to leave that down in the
comment section down below too and if
you guys want to see any more future
tutorial slash videos from me in the
future be sure to subscribe anyway
that's it for this tutorial and I will
see you in the next one
how to use segmented control in your
Xcode 6 app with Swift so without any
further ado let's get started alright
guys so to get started let's go ahead
and open up Xcode 6 and let's create a
new Xcode project it'll be a single View
application and our product name I'm
just going to call mine selection you
guys can call it whatever you want our
language will be set to swift in our
devices will be set to iPhone now click
Next now create and replace my old one
alright now let's go to our main dot
storyboard and here we're going to add a
segmented control onto our view
controller and I'm putting it off to the
to the left of the screen just because
that is the posit I found that this
positioning does better at least in the
beta it's better for testing right there
alright now let's go ahead and add one
more segment so go ahead click and add
one more segment over here as you see
and let's make it a bit bigger so we can
see all the words and now select the
third statement that we just created as
you can see it's as you can see it
starts at 0 and it goes one two so let's
go ahead and click on segment two and
we're going to change the title to third
alright now let's go ahead and click and
drag a label on to our scene and we're
going to make this label a bit bigger
but this is just for tutorial purposes
that I'm adding this label it gives you
a good idea of how how things work
alright now let's go ahead and go to our
view controller dot Swift and here we're
going to add actually let's go back to
our main dot storyboard open up our
assistant editor that way we can that we
can add these elements that we just
created onto our view controller dot
Swift file now click and drag from our
segmented control and go ahead right
inside of our class view controller and
just call this controller and connect
and now let's click it control and
direct click and drag from our label and
we're going to add that right above
there in this will just call this label
now connect and lastly let's go ahead
and control click and drag from our
segmented control again and
go right down here and we're going to
make it an action this time so
connection it should be action and our
name will just say change label right
now connect and let's go ahead and go to
our view controller dot Swift file and
close our editor alright now let's go
down here and we're going to say if
controller dot selected segment index
equals equals zero and as you remember
it starts at zero and goes 1 0 1 2 and
so on so it starts at 0 so this will be
first so if controller dot selected a
segment index equals equals 0 then label
dot txt equals to say hello and now I'm
just going to copy that paste it twice
so we can have our index for the rest of
it and I say if controller dot selected
segment index equals equals 1 and then
lastly 2 and we will change our label
dot text in our second on our second one
to world and lastly we will change their
label dot x2 this is Jared all right now
let's go ahead and build and run this to
see if it works now as you can see it
loaded up and when we click on second
first it's a first it says hello second
it says world and third it says this is
Jared and also just letting you guys
know if you were wondering why it said
label at the beginning it we didn't add
anything to our viewdidload over here so
if you guys want to have something pop
up as soon as the screen loads up you
just change that in your buted load but
as it as you can see it all works hello
world this is Jared anyway guys that's
it for this tutorial if you guys enjoyed
it be sure to hit that like button down
below and if you guys have any comments
or questions or things I can improve
upon be sure to leave that down in the
comment section down below too and if
you guys want to see any more future
tutorial slash videos from me in the
future be sure to subscribe anyway
that's it for this tutorial and I will
see you in the next one
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Nov 22, 2024 Last updated |
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