SImpleIOC services registration in universal app

Dear all,
I am building an universall app which collect data from an SQLite database.
I am a bit new in SimpleIOC use from MVVMLIght tool kit and run agains different sample but could not find out correct implementation from my case.
My goal is to provide a a service which is collecting data from database tables.
I have actually 2 options design for this :
option 1 : Create a big class called DatabaseService in which I will define all CRUD operation against all my tables
option 2 : Create individual service for each table in my database
Questions :
- What is the best option to go ?
- If option 2 is the prefered one, does that mean that I need to register each of my classes as individual service Inside ViewModelLocator ?
Thanks for those clarification
regards

I would choose the second one, this will make things clear.
>does that mean that I need to register each of my classes as individual service Inside ViewModelLocator ?
Yes, check this: http://stackoverflow.com/questions/9052180/mvvmlight-viewmodellocator-registering-dataservice
Best Regards,
Please remember to mark the replies as answers if they help

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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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mc:Ignorable="d"
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VerticalAlignment="Stretch"
x:Name="Navigator"
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>
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</interactivity:Interaction.Behaviors>
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</Grid>
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CS
using System;
using Windows.Foundation;
using Windows.Phone.UI.Input;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Navigation;
using GalaSoft.MvvmLight;
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// The Basic Page item template is documented at http://go.microsoft.com/fwlink/?LinkID=390556
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using PushBulletClient.Contracts.Views;
using PushBulletClient.Models;
using PushBulletClient.Utils;
using PushBulletClient.ViewModels;
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/// </summary>
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/// <param name="e">Event data that provides an empty dictionary to be populated with
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/// The methods provided in this section are simply used to allow
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/// <para>
/// Page specific logic should be placed in event handlers for the
/// <see cref="NavigationHelper.LoadState"/>
/// and <see cref="NavigationHelper.SaveState"/>.
/// The navigation parameter is available in the LoadState method
/// in addition to page state preserved during an earlier session.
/// </para>
/// </summary>
/// <param name="e">Provides data for navigation methods and event
/// handlers that cannot cancel the navigation request.</param>
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Navigator.Refresh();
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if (RootVisual != RootFrame)
RootVisual = RootFrame;
// Remove this handler since it is no longer needed
RootFrame.Navigated -= CompleteInitializePhoneApplication;
#endregion
Mohan Rajesh Komatlapalli

Basically you are asking as how to port silverlight to Xaml (RT). Go one by one converting each API from silverlight to XAML, like IsolatedStorage isn't there in RT, so look for its alternative etc.
See here the namespace/class mappings : Windows Phone Silverlight to Windows Runtime namespace and class mappings
http://developer.nokia.com/community/wiki/Using_Crypto%2B%2B_library_with_Windows_Phone_8

Bind Pivot SelectedIndex causes app random crash in WP 8.1 universal app [MVVM Light]

I have an universal app for WP 8.1 with a page and a Pivot in it. The "SelectedIndex" property of the pivot is bind to a property in the VM like this (code in MainViewModel.cs):
public object SelectedPivotIndex
get { return this.selectedPivotIndex; }
set
if (this.selectedPivotIndex == value) return;
this.selectedPivotIndex = value;
RaisePropertyChanged(() => SelectedPivotIndex);
Page code:
<Pivot x:Name="ContentPivot"
x:Uid="ContentPivot"
SelectedIndex="{Binding SelectedPivotIndex, Mode=TwoWay}"
>...</Pivot>
The problem is from time to time i'm having app crash (in App.xaml.cs): "Unhandled exception" with type "COMEXCEPTION". This crash stop if I remove the bind of the "SelectedIndex" in the xaml, but I cannot understand
why it ocurs. Sometimes even the debugger is not shown and the app closes without any error information. BTW I'm using MVVM Light, so the "glue" between the view (page) and the VM is set in the page:
<Page
DataContext="{Binding Source={StaticResource Locator}, Path=Main}"
>
EDIT:
I'm able to reproduce the crash with this behavior: Open app, navigate to another page, come back to the pivot page (several times) and flip throught the pivotitems.

I've solved the problem with a workaround. In page code behind:
private void ContentPivot_SelectionChanged(object sender, SelectionChangedEventArgs e)
var vm = this.DataContext as IPivotable;
if (vm != null)
vm.OnPivotItemChange(this.ContentPivot.SelectedIndex);
The interface:
public interface IPivotable
void OnPivotItemChange(int pivotIndex);
And finally the VM:
public void OnPivotItemChange(int pivotIndex)
try
if (pivotIndex == 0)
// Do stuff here...
catch (Exception e)
That's all, thanks for the... help?

Use a C++ WinRT Component with external LIB in a C# Universal App

Hello,
I created two projects : a C++ WinRT Component project and a C# Universal app that references directly the C++ project.
If I call a method from my class in the C++ Windows Runtime Component project from C# it's working fine.
I got the following error in the C# Universal App project when I reference an external LIB in the C++ project : "Additional information: The specified module could not be found. (Exception from HRESULT: 0x8007007E)".
Do I need to reference somehow the LIB (I got a DLL with the LIB too) in the C# project too?
Thanks,
Adrien.

Hi Adrien,
What do you mean by "reference an external LIB in the C++ project", the C++ project you mentioned here is a normal C++ project?
As I know we have to check the option support in Windows Store App.
--James
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Why would I need to use LiveCycle Data Services in a Flex app?

I cannot figure out what additional functionality is provided by using LiveCycle Data Services in my Flex apps. I cannot get a clear understanding of how using LiveCycle Data Services would benefit my applications. Does someone out there use LiveCycle Data Services? If so, what do you do with it in Flex?
Thanks!

- data push for publish/subscribe implementations
User has to do nothing to get updated information. You push it to their machine when new data is available, like Yahoo finance updated quotes.
- data paging
You don't want to display one million rows in your datagrid at once. Get a batch of data, if the user scrolls down, get the next batch, etc.
- server side clustering
One server does not get overloaded. High traffic sites have their large number of concurrent connections managed more efficiently.
- JMS services
JMS is a powerful technology for messaging throughout an application, and LCDS makes it much easier.
- RTMP tunneling
Allows the use of the RTMP protocol in LiveCycle Data Services applications. Makes it easier to traverse firewalls and proxies appropriately that currently prevent direct RTMP client connections to the server.
If this post answered your question or helped, please mark it as such.

Need to revert a universal app to iphone in iTunes connect

The question is can we replace a Universal App with and Iphone app in iTunes connect and what are the steps. In this case the iPhone app is the app the Universal app replaced in the first place.
Our client claims you cannot replace a Universal app with an iPhone app but we cannot tell if that is a message they got from trying to do it in the store or hearsay.
Background:
Our client had another developer (actually a few even before that) deliver an IOS universal app that was upgrade from the iPhone app already in the store. It was built starting witht the code base for that original iPhone app in the store.
Unfortunately the developer had serious bugs in the iPhone version of the universal app that were missed by the client.
More unfortunate is that the client replaced the iPhone app in the store with the Uuniversal app without QA and so with the improperly functioning iPhone part.
They since took the universal app out of the store.
We have the source for the original iPhone version and thought we could simply build that and replace the broken universal app.

UPDATE: Ignore this is from 2010 and pre-dates Universal app type.
Although the original poster has not replied back this is a hackish tease for a solution:
Want to downgrade from an Universal app to just an ipad app..
http://stackoverflow.com/questions/3277945/want-to-downgrade-from-an-universal-a pp-to-just-an-ipad-app
First make sure you change that setting both for the project and your target, if it is still unchanged just manually edit project.pbxproj in the xcode project bundle changing all occurences of TARGETED_DEVICE_FAMILY = "1,2" to TARGETED_DEVICE_FAMILY = "1"
also Minimum OS Requirements is determined by the deployment sdk setting (IPHONEOS_DEPLOYMENT_TARGET in the aforementioned file) , not affected by LSMinimumSystemVersion

Non-Universal Apps won't launch on Intel Macs with Unsanity's App Enhancer

I just got a new Intel MacBook Pro and ran into a problem with lauching non-Universal apps. When I tried to launch them, their icon would bounce once or twice in the dock, and then nothing. After many hours and a call to Apple support without any luck, I started searching tis support forum, and found an old post with something about a problem with Unsanity's products (WindowShade & others). It turns out that their Application Enhancer component was the problem. Unsanity claims it is due to a bug in OS X that Apple hasn't fixed yet. Be that as it may, Unsanity has been very responsible in providing a fix, located in the App Enhancer Preference Pane under System Prefs. Just open the prefs and push on the button labled "Rosetta Troubleshooting". That problem solved.
Unfortunately, App Enhancer still seems to wreak havoc with Palm's HotSync Manager.
Janet
MBP 17" Mac OS X (10.4.8)

You will find that Unsanity's "fix" doesn't always work. If you install FruitMenu you will find many PPC apps fail to launch regardless of the fix. In that case open APE and turn FruitMenu off temporarily. Also click on the Excluded Apps tab and drag the PPC app you want to run into the list box.
Finally, if that doesn't help (although it should) then open the Terminal and at the prompt enter the following command line pressing return at the end:
sudo killall translated
You will be asked to authenticate by entering your admin password. It will not be echoed.
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SImpleIOC services registration in universal app

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