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Set width for tab's actionbar ???

i try to set width for tabs actionbar by XML: <?xml version="1.0" encoding="utf-8" ?> in AndroidManifest : but tab's width too large, i want to change it small, wrap icon.

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Trying to use Monkey Robotics to communicate with my SensorTag™ but...

Hello, I am trying to use Monkey Robotics to get all the BLE devices but I simply can't start a scan to receive a list of all the devices. Even the examples provided by Monkey Robotics fails. Maybe it...

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DisplayAlert not working in my async function

using HtmlAgilityPack; using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Net; using System.Text; using System.Threading.Tasks; using Xamarin.Forms;...

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Xamarin Forms photo Pan/Scale/Crop plugin?

Hi, I'm making app with using XF pcl. To make photo viewer/editor function, you should add Pan/Scale/Crop. Is there good plugin that somebody already have done for it? Of course I can make my own but...

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Caching with ImageSource.FromFile

My understanding is that FileImageSource's do not cache like UriImageSource does. Does anyone have a good strategy for caching the files? Create a custom ImageSource class? A quick glance at the XF...

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Navigation in the background with FormAppCompatActivity

Hi everyone! After finally porting the Android version of our app over to FormsAppCompatActivity, we frequently got the following Exception: java.lang.IllegalStateException: Can not perform this action...

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How to Show JSON to listView

I have JSON url (http://www.pizzaboy.de/app/pizzaboy.json) i neeed show Name and Address1 and City in listview class Weather { public string Name { get; set; } public string Address1 { get; set; }...

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OnBackButtonPressed not working on launch page

My app doesn't close when I press the back button on the first page, but if --> I move on to a new page --> go back to the first one --> press back button, it successfully closes the app....

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google Map Styling

Google has now enabled map styling on native map (https://googlegeodevelopers.blogspot.ca/2016/09/custom-map-styling-with-google-maps.html). We have an app that uses Forms.Maps and we built a custom...

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How to implement Nested JSON to ListView with Grouping?

Dear all, I want to fill ListView with data from WebService with JSON structure. Data is gathered perfectly. But when I activate IsGroupingEnabled=true; GroupDisplayBinding = new Binding("group");...

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Unfortunately, the process android.process.acore has stopped

I run AVD from Xamarin build, and every time it starts, I have the error "Unfortunately, the process android.process.acore has stopped" which appears MUCH times. I have latest Visual Studion 15 and...

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can't build iOS app since new update

An error occured on client Build420680 while executing a reply for topic xvs/Build/4.2.0.680/execute-task/MyApp.iOS/71f0035%2FACTool MyApp.iOS C:\Program Files...

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Another problem with Debugger

Good evening, I'm a week with my problem in VS2015 when I do the debug of a sudden have this problem. I formatted my PC because of that and nothing. When I run the debug in GalaxyS7 or any other...

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How to charge specific object from a json HTTP to a Picker With Xamarin Forms

Hello i need help please, I have a Json from http://www.pizzaboy.de/app/pizzaboy.json and i need charge just all the "Name" in a Picker how i can do it?, this is my code. public static async Task...

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Detect enter key press in Editor

How do i detect enter key press in Editor?

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SQLite in windows phone 8.1

In a PCL Xamarin.Forms WindowsPhone8.1 project is necessary to download the Precompiled Binaries for Windows Phone 8VISX and add reference or is necessary only for WindowsPhone 8 project? Thanks.

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CachedImage FFImageLoading for Xamarin.Forms

https://github.com/molinch/FFImageLoading or https://github.com/daniel-luberda/FFImageLoading/ (new Forms features) DEMO:...

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Custom renderer in Android doesn't allow changing background color of View

I've made a ViewCellRenderer where I have two labels and a vertical view that represents a line (full height, 2dp width). Now, setting up the text works fine, but when I try to change the background...

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Trying to open a modal page but getting blank page

Iam using this code to open a modal page Navigation.PushModalAsync(new NavigationPage(new WelcomePage())); but instead of opening the page Iam getting a blank page any help .

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Is there nay way of cancelling the "back" button event from the NavigationPage?

Topic. Is there any way of cancelling the "back" button event from the NavigationPage, preventing the user from popping the navigation stack ? I already can intercept the hardware back button from the...

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