Questions tagged as 'xamarin-forms'

Tagged questions
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Change the color of a navigation page

I have this: public void Login_Clicked(object sender, EventArgs e) { LoginService svc = new LoginService(); LoginRS res = svc.Login(txtUsuario.Text, txtSenha.Text); if (res != null && res.Su...
asked by 08.02.2018 / 13:55
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Problem with custom control

I created a custom search bar with an entry. I need to get the text of this entry to be a search parameter. So I created a custom property that uses the Text property of entry. But this custom property does not take the text from the custom s...
asked by 11.06.2018 / 15:34
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An unhandled exception occured. I can not understand this message, no detail comes

Personal this message:    An unhandled exception occured. It always happens when I try to consume my service REST . I first made an example, copying it from Macoratti and it worked. So I adapted to my service and it did not work,...
asked by 03.09.2017 / 15:25
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Passing and Catching the CommandParameter of a Xamarin Forms Button

How to pass a value that is in a Binding by the CommandParameter of a button that is within a ListView to ViewModel ? The button is accessing Command right, but I do not know if this is how CommandParamete...
asked by 27.12.2016 / 19:15
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Upper Bar Adjust Burger Menu

I made an app with a Login screen to a MainView which is a MasterDetail and a Detail. It is working properly but the upper screen is bigger than normal, according to image; How do I set it to be the correct size? HomeHereistheXAMLcodeforMai...
asked by 07.11.2017 / 01:45
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Enable navigationbar or create a panel on top of tabpage xamarin.form

I have this page (TabbedPage) that creates two tabs: <?xml version="1.0" encoding="utf-8" ?> <TabbedPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmln...
asked by 07.02.2018 / 20:08
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Title in MasterDetail - Xamarin Forms

I need to have the title "Main Screen" in a MasterDetail that I have, is it possible? <?xml version="1.0" encoding="utf-8" ?> <MasterDetailPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.micros...
asked by 27.04.2018 / 14:48
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How to show / hide a button inside a listview

My ListView is populated with data that comes from an API, but inside my template I have a statusDescr label where it shows two states ("paid" / "canceled") when the state on the label is paid the button appears, and when not...
asked by 21.09.2018 / 12:11
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Delete database while uninstalling app

In my app I create the database made in SQLite in the folder:    System.Environment.SpecialFolder.Personal However on some devices (Android) when uninstalling the app it seems that the bank is still in the folder, because when you install...
asked by 24.07.2018 / 15:34
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How to change the background color and color of the icon in an [closed]

I'm developing a small App using Xamarin Forms Cross Platform (Android and iOS). I need to control the background color and the icon of the images, as shown in the example below. I tried some plugins for Xamarin Forms without success, because...
asked by 12.07.2018 / 19:12