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Get Long Press Gesture In Xamarin iOS

Introduction

Xamarin is a platform to develop cross-platform and multi-platform apps (for example, Windows phone, Android and iOS). In Xamarin platform, the code sharing concept is used. In Xamarin Studio, Visual Studio is also available.
Prerequisites
  • Xamarin Studio.
  • Xcode.
The steps given below are required to be followed in order to get Long Press Gesture Recognizer 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 the page, as per your desire.
 
 

Step 6

In this step, design your app.

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 the tools.and align Tools, using constraints.
  • Button(btnTouch)
  • Label(lblDisplay) 
 

Step 7

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

ViewController.cs
  1. using System;  
  2. using UIKit;  
  3. namespace XamariniOSLongPress {  
  4.     public partial class ViewController: UIViewController {  
  5.         protected ViewController(IntPtr handle): base(handle) {  
  6.             // Note: this .ctor should not contain any initialization logic.  
  7.         }  
  8.         public override void ViewDidLoad() {  
  9.             base.ViewDidLoad();  
  10.             btnTouch.UserInteractionEnabled = true;  
  11.             UILongPressGestureRecognizer longp = new UILongPressGestureRecognizer(LongPress);  
  12.             btnTouch.AddGestureRecognizer(longp);  
  13.             // Perform any additional setup after loading the view, typically from a nib.  
  14.         }  
  15.         partial void BtnTouch_TouchUpInside(UIButton sender) {  
  16.             lblDisplay.Text = "Button Clicked";  
  17.         }  
  18.         public void LongPress() {  
  19.             lblDisplay.Text = "Button Long Pressed";  
  20.         }  
  21.         public override void DidReceiveMemoryWarning() {  
  22.             base.DidReceiveMemoryWarning();  
  23.             // Release any cached data, images, etc that aren't in use.  
  24.         }  
  25.     }  
  26. }  
 

Step 8

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 a few seconds, the app will start running on your iPhone Simulator.You will see your app working successfully. The Long Press Button and the Long Press Gesture will be working successfully.

 
Summary

This was the process of how to get Long Press Gesture Recognizer in Xamarin iOS, using Xamarin Studio.


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