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app is terminated after launching(xamarin.ios)app

app is terminated after launching(xamarin.ios)app Launch failed. The app 'App1.iOS' could not be launched on 'iPhone'. Error: error MT1007: Failed to launch the application...

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Newtonsoft.Json error

hi guys, i'm trying my app in my phone but if i try the app with Wi-Fi the app work well, if i try the app with my mobile internet connection it don't work. Here is my code: var client = new...

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Dedicated Barcode Scanners in Xamarin Forms

I have been looking for a solution to use dedicated barcode scanners (so, NO camera scanning) connected either through bluetooth or USB (to a docking station) with an Android, iOS (maybe also UWP)...

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Can not be able to change the top bar background color! (IOS)

I have tried several ways: i have tried UINavigationBar.Appearance.BarTintColor = UIColor.FromHSB(351, 86, 95); and to add it in xaml but nothing seems to work any ideas?

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How to display video uploaded and recorded to database

hi Xamarin Forum how can I pull vid data from database and displayed into video Player

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Listview selected item not working when using an image

I got something strange going on and I can't figure it out. I am using an image as icon that the user presses. And the image works fine but I can't click on the listview item it self nothing happens, I...

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Error Java.Lang.OutOfMemoryError: Failed to allocate a 132710412 byte...

Hi everyone, I've been working in my solution in shared project, and I´ve this error when I run my solution on a Samsung Galaxy S6 and S5 only, I'm testing my app and my solution on emulators of...

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Xamarin Forms - How to avoid Calibration screen pops up while using app.

We have xamarin forms application and I am using Xam.Plugin.Geolocator plugin inorder to access the location (lat and long) service. ISSUE: Here, while using my app, at some cases, the OS invokes the...

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OnCreate Does Not Get Called Predictibly In The MainActivity.cs

I have a debug point placed in the OnCreate and there is nothing predictable about it getting called. Most of the time it does not get called. I need a predictable solutions to ensure the OnCreate is...

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How to send an automated mail to user's mail id on a button click

Hi, I am struggling to create a method that sends an automated mail to the user's mail id. It is used for authentication purpose. It would be kind if anyone can share any suggestions on this. Regards

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Grouped Listview Expandable

Hello, I create a GroupedListview with a DataTemplateSelector to have diferent margins on the viewcells of the listview, now what i need is to hide the content of every group and when the user cliks on...

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Animate ContentView - slide in/slide out

I have a ContentView and I have a button on my page. When i click the button i want the content view below to slide in top to bottom. Then i have another button and when that is clicked i want it to...

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Webview not filling the screen in Xamarin Forms...why is there a gap at the top?

When I use a webview, it has gaps at the top and bottom, or if orientated horizontally it has gaps at the side. How do I make the webview fill the entire screen. You can see in the screenshot the blue...

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How to open Signature pad in landscape mode.

Hello, I have implemented Signature Pad in my App and it is working fine. On some button click, I want Signature pad in landscape mode and on some other click event, it will back to the normal screen....

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Two Columns per row in ListView

In larger screen, such as iPad, I wish to use split the list view into two columns. Is it possible to do that?

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working with existing database

Hi all, im newbe with xamarin i want create a commerce app in IOS-Android I read i have to use SQLite but i need some sample to understand First i have to port a company database (some tables) in app...

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Printing on iPad from WebView

Hello guys, I want to print a webview with the default printer functionalities which are available on both Android and iOS. I have a DependencyService with a Print method, which calls the platform...

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MasterDetailPage: Changing Detail Page changes MasterBehavior

Hello, I am using MVVM pattern und have a ViewModes: UserMasterPageViewModel Inside the code behind of the UserMainPage I set the MasterBehaivior, The Detail Page and the BindingContext: MasterBehavior...

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is There any options to make Rounded Corner Border for Element Entry in...

Hi Everyone, I started a project which has custom textbox(entry) with border and broder radius, if i try with simply entry - android native results with textbox(entry) style with single line at bottom...

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Syntax Error in URL for Image [.aspx URL]/[URL with parameters]

Hi everyone, I try to use image for my application. i try with classic URL and i have no problem. However my co worker give me this kind of link to use an image:...

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