asking for name

Question

so im trying to ask for user name and the user will put in his name i used to do that when i was coding on console and it was working not im trying to create an android app using xaml now i asked for the name and it all good how do i get a place for the user to put his name and have my applicatio read ita

Answer 1

Hello,​

Welcome to our Microsoft Q&A platform!

If you want to create a Xamarin.Android application, then you want to ask user's name in the xaml. Then get the user name 's value in the C# code?

Firstly, you can create an Xamarin.Android project. Select a blank application.

Then open the activity_main.xml in the Resource folder-> layout folder.

Put following code to activity_main.xml.

   <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"  
       xmlns:app="http://schemas.android.com/apk/res-auto"  
       xmlns:tools="http://schemas.android.com/tools"  
       android:layout_width="match_parent"  
       android:layout_height="match_parent">  
     
       <EditText  
           android:inputType="text"  
           android:layout_width="match_parent"  
           android:layout_height="wrap_content"  
           android:id="@+id/editText1"/>  
       <Button  
           android:layout_below="@id/editText1"  
           android:layout_width="match_parent"  
           android:layout_height="wrap_content"  
           android:id="@+id/button1"  
           android:text="get name"/>  
   </RelativeLayout>  

Then, open the MainActivity.cs, use findviewbyId to get these two controls(edittext and button) in the OnCreate method like following code.

   protected override void OnCreate(Bundle savedInstanceState)  
           {  
               base.OnCreate(savedInstanceState);  
               Xamarin.Essentials.Platform.Init(this, savedInstanceState);  
               // Set our view from the "main" layout resource  
               SetContentView(Resource.Layout.activity_main);  
     
               EditText editText1 = FindViewById<EditText>(Resource.Id.editText1);  
               Button button1 = FindViewById<Button>(Resource.Id.button1);  
     
               button1.Click += (o, e) =>  
               {  
                   //we can get the user name herer  
                   var UserName=editText1.Text;  
     
                   //display this username in a Toast for testing.  
                   Toast.MakeText(this, UserName, ToastLength.Short).Show();  
                   
               };  
           }  

Best Regards,

Leon Lu

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