Passing values between Activities using MonoDroid

Posted by Wallym on ASP.net Weblogs See other posts from ASP.net Weblogs or by Wallym
Published on Tue, 08 Feb 2011 15:00:00 GMT Indexed on 2011/02/08 15:26 UTC
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Been doing some work in MonoDroid and found that I needed to pass a user entered value from on Activity to another Activity in MonoDroid.  Here's how I did it.

In my sending Activity, I need to take some user user entered data and send it to my second activity.  Here is the code:

            string UserId = Convert.ToString(et.Text);
            if (!String.IsNullOrEmpty(UserId))
            {
                Intent i = new Intent();
                i.SetClass(thistypeof(CustomList));
                i.AddFlags(ActivityFlags.NewTask);
                i.PutExtra("TwitterId", UserId);
                StartActivity(i);
            }

 In this code, I have called .PutExtra and  passed it with a key.  In this case, I am passing a Twitter id.  In the code that is receiving the data, the code to retrieve the Twitter id is:

string twitterId = Intent.GetStringExtra("TwitterId"); 
The call to GetStringExtra() returns the value passed on the key.

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