How To Use Stepper In Xamarin iOS App

Delpin Susai Raj
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Introduction

Xamarin is a platform to develop cross-platform and multi-platform apps (for example, Windows phone, Android and an iOS). In Xamarin platform, the code sharing concept is used. In Xamarin Studio, Visual Studio is also available.

Download Code Here

Prerequisites

Xamarin Studio(or)Visual Studio For Mac.
Xcode.

The steps given below are required to be followed in order to use Stepper in Xamarin iOS, using Xamarin Studio.

Step 1

Go to Xamarin Studio.

Click New Solution—> select iOS—>select App--> choose Single View app. Afterwards, click Next.

Step 2

In this step, configure your app. Give the app name (Ex:sample), Organization Identifier. Afterwards, click Next.

Step 3

In this step, give your project name (Ex: Sample) and solution name (Ex: Sample). Give the path of your project. Afterwards, click Create.

Step 4

Subsequently, go to the solution. In the solution, get all the files and sources in your project. Now, select Main.storyboard and double click to open Main.storyboard page.

Step 5

After opening the Main.storyboard, you can design this page, as per your desire.

Step 6

Now, go to the toolbox Window. In the toolbox Window, get all the types of the tools and controls. You need to go to the toolbox Window. Now, scroll down and you will see all the tools and controls. You need to drag and drop Stepper.

Now, you need to align Stepper, using the constraints.

Step 7

Now, go to the properties Window. Select Stepper and give a name (Ex:stepper).

Step 8

You need to drag and drop the Label.

You need to align the Label, using the constraints.

Step 9

Now, go to the properties Window. Select the Label and give a name (Ex:lblDisplay).

Step 10

Now, go to the properties Window. Select the Stepper and create an Event, Value Changed Event and give the name (ex:ValueChanged).

Step 11

In this step, go to the ViewController.cs page. Write the code given below.

ViewController.cs

using System;

using UIKit;

namespace XamariniOSStepper

{

public partial class ViewController : UIViewController

{

protected ViewController(IntPtr handle) : base(handle)

{

// Note: this .ctor should not contain any initialization logic.

}

public override void ViewDidLoad()

{

base.ViewDidLoad();

// Perform any additional setup after loading the view, typically from a nib.

}

partial void ValueChanged(UIStepper sender)

{

stepper.MinimumValue = 0;

stepper.MaximumValue = 10;

lblDisplay.Text = stepper.Value.ToString();

}

public override void DidReceiveMemoryWarning()

{

base.DidReceiveMemoryWarning();

// Release any cached data, images, etc that aren't in use.

}

Step 12

Now, go to Run option. Choose Debug and the list of iPhone and iPad simulators, which are available. You can choose any one simulator and run it.

Output

After few seconds, the app will start running on your iPhone Simulator.You will see your app working successfully. You can click the Plus and Minus button. The value will be changed successfully.