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How to update MvvmCross?


How to update MvvmCross?

By : Guido
Date : November 19 2020, 03:01 PM
To fix this issue With MvvmCross version 5.2+ MvvmCross.Droid.Shared has been removed.
From MvvmCross blog release notes
code :


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How can I dynamically update bindings in MvvmCross?

How can I dynamically update bindings in MvvmCross?


By : user2053339
Date : March 29 2020, 07:55 AM
I hope this helps . The issue is related to the fact that you are passing a View inflated using the Android LayoutInflater.Inflate method, instead of using the MvvmCross BindingInflate method. With a using Cirrious.MvvmCross.Binding.Droid.BindingContext; at the top of your file, the following should work:
code :
_cardScrollAdapter.AddItem(this.BindingInflate(Resource.Layout.media_panel_view,null));
How to update ViewModel from View in mvvmcross

How to update ViewModel from View in mvvmcross


By : user3658961
Date : March 29 2020, 07:55 AM
like below fixes the issue What you can do is you can use the View's ViewModel property and cast it to your type of ViewModel. After that you can access everything that you want to execute or change.
A very simple example using Droid and Core projects would be:
code :
using Android.App;
using Android.OS;
using Cirrious.MvvmCross.Droid.Views;
using Core.ViewModels;

namespace Droid.Views
{
    [Activity]
    public class MainView : MvxActivity
    {
        protected MainViewModel MainViewModel 
        {
            get { return ViewModel as MainViewModel; } 
        }

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);
            SetContentView(Resource.Layout.main_view);

            MainViewModel.ChangePropertyToEmpty();
        }
    }
}
using Cirrious.MvvmCross.ViewModels;

namespace Core.ViewModels
{
    public class MainViewModel : MvxViewModel
    {
        #region TestProperty

        private string _testProperty;

        public string TestProperty
        { 
            get { return _testProperty; }
            set { SetProperty(ref _testProperty, value); }
        }

        #endregion

        public void ChangePropertyToEmpty()
        {
            TestProperty = string.Empty;
        }
    }
}
Update ListItem with MessageProtocol in MVVMCross

Update ListItem with MessageProtocol in MVVMCross


By : Sujith G
Date : March 29 2020, 07:55 AM
wish of those help I have a list item which has more or less around 10 objects. I could able to detect which item is selected and also I sending this item properties into the DetailViewModel,I am using messageprotocol in mvvmcross. , Just use your _selectedItem and set the properties on it.
code :
private void OnMessageReceived(SelectedItemMessage obj)
{
    _selectedItem.Age = obj.Age;
    _selectedItem.Category= obj.Category;
}
MvvmCross MvxSpinner does not update after re-entering

MvvmCross MvxSpinner does not update after re-entering


By : Maria Rusu
Date : March 29 2020, 07:55 AM
it helps some times When you create a fragment using MvxFragment attribute, by default the IsCacheableFragment is set to true. Therefore, as the fragment and it ViewModel are being cached and you get the behaviour you are experiencing when returning to the page for a second time.
Ideally you should just be able to set the IsCacheableFragment to false
code :
[MvxFragment(typeof(MainViewModel), Resource.Id.content_frame,
    IsCacheableFragment = false)]
protected override void ShowFragment(string tag, int contentId, Bundle bundle, bool forceAddToBackStack = false, bool forceReplaceFragment = false)
{
    if (tag.Equals(typeof(<<Your View Model Type>>).FullName))
        forceReplaceFragment = true;

    base.ShowFragment(tag, contentId, bundle, forceAddToBackStack, forceReplaceFragment);
}
How to update MVVMCross from 5.1.1 to 5.2.0

How to update MVVMCross from 5.1.1 to 5.2.0


By : wangdama917
Date : March 29 2020, 07:55 AM
wish help you to fix your issue You'll need to install the Android 7.0 SDK using the SDK manager. You app should also be set to compile against the latest version, so it should pick this up automatically.
MvvmCross uses the latest Android support libraries, and these use the 7.0 SDK.
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