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listview edit item and new item inside pop up

I bound my listview using mvvm logic but I need edit item and add new item actions. What is the best way to do it without navigating to another page? On WPF i have achieved this using a popup with a...

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DependencyProperty equivalent for Xamarin Forms.

I'm writing a XAML + MVVM project for testing porpuses. So far i haven't had any problems trying to port my Windows code to Xamarin except for the DependencyProperty. Is there a way to get it working...

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OnStart, OnSleep, and OnResume not called

Hello, I created a Xamarin.Forms Shared application and noticed that OnStart, OnSleep, and OnResume are never reached. OnStart should be called in Xamarin.Forms.Forms.Init am I right ? Why are all of...

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Double-tapping in Xamarin.Forms on Android

We've found some rather annoying issues with multiple taps and navigation on Android using Xamarin.Forms. Let's say there's a button press and in the handler there's a bog-standard await...

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Possible to support Images in NON root folder on windows??

Is there any way possible to support images that are in the Assets folder on Windows Phone? I have 50 to 60 different images and it is really annoying to not be able to organize them

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ListView in Windows Phone causes Argument Out Of Range Exception

Hello, I am having the exact same problem, that was reported here: https://bugzilla.xamarin.com/show_bug.cgi?id=24681, which is: Attempting to remove the last item from the example list view causes an...

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Strange out of memory issue in media picker

I'm using following code to allow user to select image from device. var device = Resolver.Resolve<IDevice> (); var mediaPicker = DependencyService.Get<IMediaPicker> (); if (mediaPicker ==...

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Request: Support for ICommand on most if not all controls

Greetings, I had a request for the "powers that be" That request is to consider adding support for ICommand to most if not all control events (ItemSelected, ItemTapped, etc). This would allow a great...

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Text color change Alert Dialog

I'm trying to change the color of the text of the warning dialog button, but I have no success. I try to change the buttons are on the attached image My style xml: http://pastebin.com/aGuSN3by Someone...

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System.InvalidCastException: Specified cast is not valid.

I've been trying to solve this one for a few days. Thought I'd put it out here and see if anyone can help me see something... The exception thrown {System.InvalidCastException: Specified cast is not...

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Change Slider Minimum programatically does not update slider in UI ?

Hi, I have an issue with Slider : At first my Slider has Minimum set to 50 and its value is 50, while Maximum is 100, so the thumb is located on the left of the track which is OK. Then programatically...

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ListView items bindings visually not updated when property changes

Hi, I'm having an issue with my ListView items in Xamarin.Forms 1.4.4 (same problem with 1.4.2, 1.4.3, and 1.5.0 pre3). In my XAML ItemTemplate I have : The IsSelected property comes from this class :...

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MVVM light plugin not working when used with Xamarin studio with xamarin form...

I am trying to integrate MVVM light in my xamarin forms project and its showing me the attached error, any thoughts on how I can resolve this error.

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Geolocator plugin not working

Hi, I need this plugin. And I'm using or testing this code https://components.xamarin.com/view/geolocatorplugin and it doesn't work. My xamarin studion is 5.7.2 (Indie). string tmpAdress; var myAddress...

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ListView binding to ObservableCollection does not update GUI

Hi Can anyone tell me why this simple code is not working as expected? Does the ListView control not listen for changes in the bound property? Expected: when I click the Add button, the GUI (ListView)...

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Ignore - Answered: Visual Designer (GUI DEV) for Forms

First off, apologies as I am very new to Xamarin and it has been a struggle getting Xamarin, Xamarin Studio, et. al. installed without PCL issues. I have searched the forum but I am not finding an...

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SQLite.NET PCL lock guidelines

The Xamarin documentation and examples I have read shows using lock() around the database calls. However I don't see any reference to locks in the SQLite.NET PCL documentation. What about using the...

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Request: Support Visual Designer for XAML

Greetings, I am a huge fan of Xamarin and especially of the ability to leverage Xamarin Forms to create a "shared" UI for all of my common elements. That said, I find it both frustrating and...

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How to manage Classes (serialization / saving / query them)

Hi. I'm new to Xamarin and wanted to ask what would be the best way to manage classes. I had good experience with linq2sql with c#. Is this also possible for Xamarin.Forms with X-Platform? I want to...

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How can i draw route on map for xamarin Forms ?

Hi, I have source(current location) and destination locations, Here need to show the Route map between the locations. And How can i implement the current location changed event in Xamarin Forms.....

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