How to load view before add text to entry in Xamarin Forms

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I have a problem with OnAppearing function. I want to load the page first before adding the a text inside my entry. What is happening right now is that it is happening early meaning the text was inserted before the page has been loaded. Is there a way to solve this?

protected override async void OnAppearing()
    entEncodedBy.Text = "Admin";

You can use any overloads of await Task.Delay(); to wait a long as you want and then change the text.


You can use Device.StartTimer(TimeSpan, Func<Boolean>);

Xamarin.Forms Entry, This article explains how to use the Xamarin.Forms Entry class to accept single- line text or password input in an application. In the Add New Item dialog, select Visual C# Items > Xamarin.Forms > Content Page, name the new file NoteEntryPage, and click the Add button: This will add a new page named NoteEntryPage to the root folder of the project. This page will be the second page in the application.

I not sure, but you can try add only await base.OnAppearing(); or you can just await Task.Run(()=>base.OnAppearing()); if this first method dont work.

Text in Xamarin.Forms, Xamarin.Forms has three primary views for working with text, and this Entry has a password mode and can show placeholder text until text is� For internal use by the Xamarin.Forms platform. (Inherited from BindableObject) IElementController.SetValueFromRenderer(BindableProperty, Object) For internal use by the Xamarin.Forms platform. (Inherited from Element) IGestureController.CompositeGestureRecognizers: For internal use by the Xamarin.Forms platform. (Inherited from View)

A simple method is to use MessagingCenter, you can refer to the following code:

public partial class MainPage : ContentPage
    public MainPage()

        MessagingCenter.Subscribe<MainPage>(this, "Hi", async (sender) =>
            await Task.Delay(2000); // 2000ms == 2s
            entEncodedBy.Text = "Admin";

    protected override  void OnAppearing()

        MessagingCenter.Send<MainPage>(this, "Hi");

For more details, you can check:

How to programmatically insert some text in Entry , I am facing issue related to programmatically insertion of text in Entry. Forms",; Now he is tapping on button to insert some text in that Entry cannot just use the Paste option that is supported by the Entry view? to insert that text in the position of cursor of enrty where he was before using the button tap. 0. Xamarin.Forms lets you build native apps using a .NET cross-platform UI toolkit that targets the mobile, tablet, and desktop form factors on Android, iOS, and more. Learn how to build cross-platform Android & iOS applications using C# and .NET in Visual Studio on Windows and macOS

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UITextField, In addition to its basic text-editing behavior, you can add overlay views to a text field about managing keyboard interactions, see Text Programming Guide for iOS. use the system's built-in support for loading localized strings and resources. Xamarin.Forms is an open source mobile UI framework from Microsoft for building iOS, Android, & Windows apps with .NET from a single shared codebase. Whether you want a consistent look across platforms or prefer native look and feel, Xamarin.Forms will get you up and running in no time.

How To Make A Custom EntryCell in Xamarin.Forms, In this Xamarin Forms tutorial, we'll make our own version of EntryCell EntryCells have a label and a text field (known as an entry in Xamarin). When you add an entry to a cell or anywhere else in your project, it will have a border. Before we can make our custom cell, we should go ahead and create a� The Xamarin.Forms TabbedPage consists of a list of tabs and a larger detail area, with each tab loading content into the detail area. This article demonstrates how to use a TabbedPage to navigate through a collection of pages.

  • I will try this and get back to you
  • Then maybe put Task in place where you initialize page.
  • show me how you going through to this page, or it is start page? And show me your constructor in this page.