Questions tagged as 'xamarin'

Tagged questions
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Xamarin has some limitations for creating APP for Android

I'm starting to study mobile programming, specifically Android at the moment, and I have a question. I started studying Android Studio that uses the JAVA language, but it is also possible to develop for Android using Visual Studio with Xam...
asked by 15.09.2016 / 14:50
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Button back on Xamarin Cross Plataform

How to make a function to when you click "Back" in Android in Xamarin , does the app return to the previous screen?     
asked by 14.10.2016 / 14:12
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Activity does not open

Well, I created two Activity's when I clicked on the first button and it should open the second with information received from the first one. But is not that what happens, where did I go wrong? using System; using Android.App; using Android....
asked by 04.08.2014 / 03:43
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Button for screenshot / screenshot on Xamarin

I'm developing an App and I need it to take a screenshot, but not by the default procedure (home + power button), but by a button inserted on the screen. The button has already been created and is in the App screen, does anyone have any idea how...
asked by 18.07.2018 / 21:15
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Local search with detail for each letter entered - Xamarin Forms

Each letter you type appears a white ball in the middle of the app (by the way it is updating the list), I wish I could not have it. The error: The code: //Pesquisa localmente a cada letra digitada private void OnTextChanged(object...
asked by 28.06.2018 / 20:45
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Is there a ".this" in an Xamarin Android project?

I'm rewriting an application that was originally written in Java in Android Studio. Now I am rewriting in C # for the Xamarin Android, so a doubt came to me, in several classes I came across the java type code that: private void obterWidgets()...
asked by 21.06.2018 / 14:06
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When I load my App class is not recognized

It says that BadeView does not exist in the current context in this line of xaml.g.cs [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Xamarin.Forms.Build.Tasks.XamlG", "0.0.0.0")] private global::Xamarin.Forms.BadgeView bdgDesvioFat...
asked by 23.02.2018 / 21:23
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How to put in the center 02 TextView of VideoView

I have 02 TextView and I want to put them in the center of a VideoView with one text being one on top of the other. <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" an...
asked by 29.01.2018 / 02:00
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Use findViewById in all scopes or use a variable?

Which of the following strategies is best suited for good application performance? Use findViewById whenever we use any element of View or do it only once by assigning to a variable? example in Xamarin.Android : public c...
asked by 28.11.2017 / 13:08
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How to make a CircleProgress on Xamarin Android?

I'm programming in Xamarin.Android and I need a progressbar (or something like) circular that actually shows some progress, I tried to use ProgressBar myself, but it only shows progress horizontally, in circular mode it stay...
asked by 16.11.2017 / 16:17