Cant get storage data - segmentation faul (xamarin)

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1

Hello,

I am really confuse, I need save some data from users, and I use this:

my code:

using Xamarin.Essentials;
namespace Pulsometer
{
[XamlCompilation(XamlCompilationOptions.Compile)]
public partial class SettingsPageBpmRange : CirclePage
{

 public SettingsPageBpmRange()
    {
        InitializeComponent();
        setMyData();
    }

   
    
    private void setMyData()
    {
        **var minbrm = Preferences.Get("min_brm", "0");** // this gave me segmentation faul when testing on emulator.. no errors in visual studio
        //showStorage.Text = minbrm;
    }


    void OnSliderValueChanged1(object sender, ValueChangedEventArgs args)
    {
        var value = (int)args.NewValue;
        minimumRange.Text = String.Format("Min BPM: {0}", value);
        **Preferences.Set("min_brm", value);**
    }

Can someone help me, what I´am doing wrong…? Oe how can I easily set and get data ?

2

You are saving an integer value but getting it as a string? I think the behavior is undefined and may results in an error in that case.

3

you are right! Thank you. Sorry for this noob question, I´m quite newbie in C# :slight_smile:

var test = String.Format("{0}", value);
Preferences.Set(“my_min”, test);

this work.