How can i set the width of a view as a percentage of the parent? I tried with WidthRequest=0.2* but this seems to only work for grids. Is there a way to set it similarly for any other view or is my only option to set it programatically?
<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
x:Class="SnipSnip.SnippetsPage"
Title="SnippetsPage">
<AbsoluteLayout>
<ListView x:Name="SnippetsListView">
<ListView.ItemTemplate>
<DataTemplate>
<TextCell Text="{Binding Name}" />
</DataTemplate>
</ListView.ItemTemplate>
</ListView>
<Editor/>
</AbsoluteLayout>
</ContentPage>
In this sample, i want the ListView to have a width of .2* and the Editor to have a width of .8*
Thanks
I also think you should just use a grid instead. An AbsoluteLayout is just what it says: its absolute. There is no way to let it automatically use just half of the space it has or something like that. Thats what the grid is for.
Related
I have the following code.
<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:d="http://xamarin.com/schemas/2014/forms/design"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
x:Class="NGIC_XAML.Views.Payments.Payments">
<ContentPage.Content>
<FlexLayout Direction="Column" AlignItems="Center" HorizontalOptions="FillAndExpand">
<StackLayout BackgroundColor="Red" HeightRequest="108" HorizontalOptions="FillAndExpand">
<Label Text="Payments" TextColor="#F9F8FA" FontSize="20" Margin="40"
HorizontalTextAlignment="Center" VerticalOptions="Center"
HorizontalOptions="FillAndExpand">
</Label>
</StackLayout>
</FlexLayout>
</ContentPage.Content>
</ContentPage>
I want the outer layout, the FlexLayout, to automatically size the width to the device's maximum. I want the Layout (the StackLayout) and child Control (the Label), to also automatically resize their widths to the FlexLayout. I am stumped as to how to do this. Any suggestions?
In the FlexLayout docs, they mention "The HorizontalOptions property doesn't work for children of a FlexLayout".
If you take a look at the Page layout with FlexLayout section (Holy Grail Layout) you can see an example somewhat similar to what you are trying to accomplish, basically use a nested FlexLayout instead of a StackLayout.
The code would look like:
<ContentPage.Content>
<FlexLayout
BackgroundColor="Yellow"
Direction="Column">
<FlexLayout
HeightRequest="108"
AlignItems="Center"
Direction="Column"
BackgroundColor="Red">
<Label
BackgroundColor="Green"
LineBreakMode="CharacterWrap"
Text="Payments"
TextColor="#F9F8FA"
FontSize="20"
Margin="40"
HorizontalTextAlignment="Center"
VerticalOptions="Center">
</Label>
</FlexLayout>
</FlexLayout>
</ContentPage.Content>
And here is the screenshot:
Notice that the label will grow as needed to use the full width of the row.
To achieve this, please assign HorizontalOptions="FillAndExpand" to StackLayout and Label and other child controls if any.
This will tell the controls to fill all the space available horizontally.
Thanks!
Hello I'm trying to use FFImageloader package in XAML. I've added the custom renders in appdelegate and mainacticivy on the devices. When it renderes my page it throws an error.
I've tried to remove properties from the new namespace and it still throws this error. I have added the namespaces and installed the following packages from the guide on their github page.
<?xml version="1.0" encoding="UTF-8"?>
<ContentPage
xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
x:Class="ODEON.Pages.news"
xmlns:ffimageloading="clr-namespace:FFImageLoading.Forms;assembly=FFImageLoading.Forms"
Title="MainWindow">
<ContentPage.Content>
<ffimageloading:CachedImage HorizontalOptions="Center" VerticalOptions="Center"
WidthRequest="300" HeightRequest="300"
DownsampleToViewSize="true"
Source = "http://loremflickr.com/600/600/nature?filename=simple.jpg">
</ffimageloading:CachedImage>
<ListView x:Name="listView">
<ListView.ItemTemplate>
<DataTemplate>
<TextCell Text="{Binding title.rendered}" />
</DataTemplate>
</ListView.ItemTemplate>
</ListView>
</ContentPage.Content>
this is the error :
ODEON/Pages/news.xaml(10,10): Error: Position 9:10. Can not Add() elements to ODEON.Pages.news.Content (ODEON.iOS)
I am trying to get the box view of a content page to 'FillAndExpand' horizontally while making the height equal to it's width. So far for the xaml I've got:
<ContentPage Title="About" >
<StackLayout>
<BoxView x:Name ="imageBoxView" Color="AliceBlue" HorizontalOptions="FillAndExpand" />
</StackLayout>
</ContentPage>
But I don't know what value to keep for the Height Request.
You can set the binding context to itself, and then bind the HeightRequest to the view's Width.
Note: This will not work in the XAML preview mode in Visual Studio, but will work at runtime on the device.
<StackLayout>
<BoxView x:Name ="imageBoxView" Color="AliceBlue"
HorizontalOptions="FillAndExpand"
BindingContext="{x:Reference imageBoxView}"
HeightRequest="{Binding Width}" />
</StackLayout>
I'm experiencing a weird bug when I try to add Navigation to my CropsListPage
<?xml version="1.0" encoding="utf-8" ?>
<TabbedPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:local="clr-Balloney.Views"
x:Class="Balloney.Views.MainPage">
<NavigationPage Icon="carrot.png">
<x:Arguments>
<local:CropListPage/>
</x:Arguments>
</NavigationPage>
<ContentPage Icon="search.png"></ContentPage>
</TabbedPage>
And then it results in..
If I don't try to envelop it in a NavigationPage, it stays normal
Any idea what's causing this behaviour ? Before trying to hammer my way outta this and hardcoding the size of the status bar in Android, I'm looking for a way to understand the problem and prevent it. Thanks
MainPage.xaml working now
<?xml version="1.0" encoding="utf-8" ?>
<TabbedPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:local="clr-namespace:Balloney.Views"
x:Class="Balloney.Views.MainPage">
<local:CropListPage Icon="carrot.png"/>
<ContentPage Icon="search.png"></ContentPage>
</TabbedPage>
And the CropList xaml
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
x:Class="Balloney.Views.CropListPage">
<ListView ItemsSource="{Binding CropsList}" ItemTapped="OnCropTapped">
<ListView.ItemTemplate>
<DataTemplate>
<ViewCell>
<StackLayout Orientation="Horizontal">
<Image Source="{Binding ImageUrl}" VerticalOptions="Fill" WidthRequest="50"/>
<StackLayout HorizontalOptions="StartAndExpand">
<Label Text="{Binding Specie.Name}"/>
<Label Text="{Binding HarvestDate}" FontSize="Micro" TextColor="Black"/>
</StackLayout>
<Label Text="{Binding Location}" FontSize="Micro" TextColor="Chocolate" />
</StackLayout>
</ViewCell>
</DataTemplate>
</ListView.ItemTemplate>
</ListView>
</ContentPage>
EDIT: The error seems to be related to the ListView I have inside CropListPage because there's no bug when I switch to the Search icon Page.
The extra space in your first image is the result of the NavigationPage by default showing the Navigation bar, which can be hidden.
Here's an example of how to hide it.
Is may be because you have wrapped crop list page in a navigation page so when that is selected you get the nav bar space above.
If you select the second tab, does the space disappear?
If you add a title to crop page does it appear in the large green space?
<?xml version="1.0" encoding="utf-8" ?>
<TabbedPage xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:local="clr-namespace:Chronocrops.Views"
x:Class="Chronocrops.Views.MainPage">
<NavigationPage Icon="carrot.png" Title="Crop List">
<x:Arguments>
<local:CropListPage/>
</x:Arguments>
</NavigationPage>
<ContentPage Icon="search.png"></ContentPage>
</TabbedPage>
I am trying to achieve a list of Card-like records for the timeline on an application built in Xamarin.Forms, this is the layout that more or less I need to replicate:
I think I am close, I have two records on my code behind that I assign as the ItemSource to a listView on the XAML side, and this is my result so far:
But as you can see, the elements are not showing at all inside their frame, if I replace the form controls with TextCells or ImageCells, the data shows fine. This is the XAML code I have so far:
<?xml version="1.0" encoding="UTF-8"?>
<ContentPage Title="AudioBitts"
xmlns="http://xamarin.com/schemas/2014/forms"
xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
xmlns:local="clr-namespace:AudioBitts"
x:Class="AudioBitts.TimelinePage">
<ListView x:Name="listView">
<ListView.ItemTemplate>
<DataTemplate>
<ViewCell Height="300">
<Frame HasShadow="true" Margin="5">
<StackLayout>
<StackLayout Orientation="Horizontal">
<Image Source="{Binding UserAvatar}" />
<Label Text="{Binding UserName}" />
</StackLayout>
<Image Source="{Binding BittImage}" />
</StackLayout>
</Frame>
</ViewCell>
</DataTemplate>
</ListView.ItemTemplate>
</ListView>
</ContentPage>
Am I missing something on the structure I am giving to my XAML code? Thanks!
You can set ListView.RowHeight or set ListView.HasUnevenRow to allow the data to be displayed in full.