Posts by Deivid Souza • 407 points
43 posts
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2
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answer84
viewsQ: Open Material Box when dragging to next image
I use on my website Carousel and Material Box so that the user can click on an image and it can be expanded. I therefore realized that it is possible for the user to drag (with mouse on the pc or…
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votes3
answers102
viewsA: How to call tab
HTML: <ul class="links-rodape"> <li class="links"><a class="grey-text text-lighten-3" href="#inicio-tab">Início</a></li> <li class="links"><a class="grey-text…
materializeanswered Deivid Souza 407 -
3
votes3
answers102
viewsQ: How to call tab
I have a Navbar with some tabs (tabs) that if clicked on the link BEGINNING (for example), open a div with the main site information, if the link clicked is the GALLERY, then a new content is…
materializeasked Deivid Souza 407 -
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votes1
answer90
viewsQ: Centralize tabs within Navbar on Desktop
The code below is ready to centralize on mobile devices automatically, but on the desktop it is on the left side, would like to be able to centralize it. Desktop: On mobile devices: I would like…
materializeasked Deivid Souza 407 -
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votes1
answer135
viewsQ: Error while generating XML
I made a system in PHP to display XML file, but is giving the following error: This page contains the following errors: error on line 29 at column 1: Extra content at the end of the Document Below…
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votes1
answer79
viewsQ: Error generating XML from a Mysql database
I need to generate XML from a Mysql database. I’m using Mysql database with PHP (let’s be clear that I’m new to PHP, what I did was with a Youtube video (that) and very little of what I know).…
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votes1
answer124
viewsQ: My Listview does not show content
Label text on the ListView, I’ve already used the StackLayout and nothing, what could be?…
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votes1
answer279
viewsQ: Bold highlight a concatenated item
I would like to highlight in bold a part of the text that is in the Displayalert notification. DisplayAlert("Alerta", "Deseja realmente incluir o lance de valor de R$ " + EntryLance.Text + "?",…
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votes1
answer481
viewsA: Error "Signature (Return type) of Eventhandler..."
Events of any kind do not return values, are "void". It is complaining that the BtnIncluir_Clicked is not compatible with EventHandler, which has the following signature: public void Método(object…
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votes1
answer481
viewsQ: Error "Signature (Return type) of Eventhandler..."
Making a mistake: Signature (Return type) of Eventhandler "Foodsuppy.Tela.Solicitacaocompra.Btnincluir_clicked" doesn’t match the Event type Foodsuppy. My app buttons started giving this message…
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votes1
answer34
viewsA: Search button of my project not appearing
I fixed size on the grid and now appears normally. <!-- Pesquisa --> <SearchBar Grid.Column="0" Grid.Row="0" x:Name="MainSearchBar" Placeholder="Digite o nome do produto..." Margin="5, 5,…
xamarin-formsanswered Deivid Souza 407 -
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votes2
answers246
viewsQ: Get "Version Name" [Xamarin.Forms]
I have a screen About and I wish I could take the Version Name, how to do this?…
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votes2
answers40
viewsQ: Back version of the application
Is it possible to return the app version? We initially put in the field Version Number the number 2 just to see how it would look and after that we are not being able to return to the numbering we…
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votes3
answers148
viewsQ: How do I know if an Itemtapped has been clicked?
I have a ListView with a function so that every 30 seconds ListView be updated. When it is triggered click on an item of mine ListView another screen at that time is called and unfortunately the…
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votes1
answer34
viewsQ: Search button of my project not appearing
I have in one of my screens a peculiar problem, is not appearing the search search on one of the smartphones, but in others and in Genymotion appear. Note: Apparatus 1 = Galaxy Note 5, apparatus 2 =…
xamarin-formsasked Deivid Souza 407 -
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answer431
viewsA: How to make a round button using Xamarin.Forms
The BorderRadius in XAML does it. Ex: <Button BorderRadius="10"/>
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votes2
answers464
viewsQ: How to sound (beep)? - Xamarin Forms
I need to sound (beep) on the Smartphone to get the user’s attention, I’m testing only by a button initially. The codes I have tested only gives error, the last is being link here. What I did I…
xamarin-formsasked Deivid Souza 407 -
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votes1
answer1314
viewsQ: How to know if there is content in a class object?
I need to know if I have content in a class or if it’s empty, how do I get that information? Classe usuario = new Classe(); I wish I could consult if there’s content in this class of mine usuario.…
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answer232
viewsQ: How to know if a button has been clicked? Xamarin Forms
I have sometimes needed to know when a button was clicked and did not find a property natively in C#/Xamarin. For example: In this image above we have a Entry with a Text (for example only) written…
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votes2
answers127
viewsQ: Two fields in a Picker - Xamarin Forms
It is possible to have 2 fields in a Picker? Today I have a Category listing and I would like to be able to put the Category Code in front. The XAML code of Picker: <Picker x:Name="pckCategoria"…
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answer41
viewsQ: Local search with detail for each typed letter - Xamarin Forms
With each typed letter appears a white ball in the middle of the app (by the way is updating the list), I wish I could not have this. The mistake: The code: //Pesquisa localmente a cada letra…
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votes1
answer84
viewsQ: Two Touches on Listview - Xamarim Forms
It is possible to have ONE touch for a certain function (today I have to select an item using ItemTapped) AND TWO TOUCHES OF THE SAME ListView to do another function? I did not get this information…
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votes2
answers719
viewsA: How to organize this Layout using Xamarin Forms?
I had some returns from other sources and the middle field (the Valor) is always clumsy, so to avoid this especially if the app is installed on a small device I decided that I will use only two…
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votes2
answers719
viewsQ: How to organize this Layout using Xamarin Forms?
I haven’t been able to organize my layout in my Listview, it gets disorganized, I’ve tried several ways but so far nothing, I would like to have tips/help. I wish I could have the Código at first,…
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answer396
viewsQ: Grid with spacing and Boxview
I am learning to use Grid and I have three questions in my project that even in tests or when following tutorials did not get good results in practice since I always saw being tested with Boxview:…
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votes2
answers122
viewsQ: Error accessing JSON - Xamarin Forms
On the LOGIN button of my app when clicked it looks for Json information, on my Macbook with Genymotion is accessed normally, but when I will use the same code in Windows (tested on two of them)…
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votes1
answer293
viewsQ: Using Grid with Absolutelayout - Xamarin Forms
I need to use it on a screen Grid(to organize the Entry and Buttons) and AbsoluteLayout(to have the waiting ball (or Loading) in the middle of the screen). If this is done the screen layout is…
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votes1
answer309
viewsQ: Space and color between Viewcell in a Listview
I would like to help because I’m not being able to leave the way I hope, there’s more space between colors. The gray is the background I put in and the yellow is being filled in by Binding. The red…
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votes2
answers46
viewsQ: Go to next statement - C#
I have a if and I need it to be true he gives the message below and soon after he pauses in the system or continues on another instruction. I left the word BREAK to illustrate where I need this…
c#asked Deivid Souza 407 -
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votes1
answer375
viewsA: Exit Button Message - Xamarin Forms
As for some it may be useful I managed to solve as follows: private async Task BtnSair_Clicked(object sender, EventArgs e) { var result = await DisplayAlert("Alerta", "Deseja realmente sair?",…
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votes1
answer375
viewsQ: Exit Button Message - Xamarin Forms
I need a message on the Exit Button (I will use the Navigation.PopAsync()) next to what I did but that works (this one doesn’t work): //Botão Sair void BtnSair_Clicked(object sender, EventArgs e) {…
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answer120
viewsA: Money mask
I have received an answer from a colleague, as others may need, as follows: public void Mascara(object sender, EventArgs e) { var ev = e as TextChangedEventArgs; if (ev.NewTextValue !=…
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votes1
answer120
viewsQ: Money mask
I need to have in an entry a money mask, I’m trying some things I got information, follows: void lanceMask(object sender, EventArgs e) { var ev = e as TextChangedEventArgs; if (ev.NewTextValue !=…
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votes2
answers252
viewsA: Uppercase letter in a Searchbar - Xamarin Forms
I received help from a colleague who is very simple and worked perfectly: MainSearchBar.Text = MainSearchBar.Text.ToUpper();
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votes2
answers252
viewsQ: Uppercase letter in a Searchbar - Xamarin Forms
I need to have the capital letter in a Searchbar, the code that I managed to do that seemed closer to reality is this below, but it did not work: //Pesquisa localmente a cada letra digitada private…
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votes1
answer1151
viewsA: Error: Your project is not referencing the "Monoandroid,Version=V8.1" framework
After a lot of tests I solved as follows: I went to the Solution Manager -> Right mouse button in Footname.Android -> Properties -> Application -> I selected the "Android 8.1 (Oreo)"…
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votes1
answer1151
viewsQ: Error: Your project is not referencing the "Monoandroid,Version=V8.1" framework
After having upgraded Visual Studio to version 15.7.1 the following message started to appear in my ready-made projects: Your project is not referencing the "Monoandroid,Version=V8.1" framework. Add…
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votes1
answer322
viewsQ: Title in Masterdetail - Xamarin Forms
I need to have title "Main Screen" in a Masterdetail that I have, is possible? <?xml version="1.0" encoding="utf-8" ?> <MasterDetailPage xmlns="http://xamarin.com/schemas/2014/forms"…
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votes1
answer25
viewsA: Error while receiving Picker content
I was looking for a way to change it online, and I did. Actually I’m getting to know the tools and I understood that I was needing Selecteditem (get the content) and not Selectedindex (not index),…
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votes1
answer25
viewsQ: Error while receiving Picker content
I have a client register and I need to change the registration of the same at some point, but to make the change I have to deal with a Picker field, only it is a mistake when I try to bring the…
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votes2
answers52
viewsA: Loading when searching JSON
One of my friends sent me a code solving the problem, I’ll post it in case someone needs it: <AbsoluteLayout> <StackLayout BackgroundColor="Green" HorizontalOptions="FillAndExpand"…
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votes2
answers52
viewsQ: Loading when searching JSON
I need to create a "Loading" when I click on a search button for JSON information on a site. Loading needs to be in the middle of the screen. Code: <?xml version="1.0" encoding="utf-8" ?>…
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votes1
answer1199
viewsQ: Physical back button in Xamarin Forms
I need to be clicked on the Back button of the Smartphone to be returned to the previous page. Note: If possible do not use Navigation to not have the bar up there.