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[Bug] Xamarin App opens different Page from Navigation.PushAsync() Page #15238

Open optimalOreo opened 2 years ago

optimalOreo commented 2 years ago

Description

Xamarin application opens different Page upon NavigationPage.Pushaync().
NavigationPage.Asyncpush() is called within a ButtonClicked Method. That different page used to be the one being pushed but it no longer is.

ViewModel.cs

private async void OnAboutUsClicked()
{
    var modifiedContactUs = new ModifiedContactUs() { BackgroundColor = ResourceColourModel.BackgroundColor };
    await Application.Current.MainPage.Navigation.PushAsync(modifiedContactUs);
}

ModifiedContactUs.xaml

<?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="Project.Views.Pages.ModifiedContact"
             xmlns:mapObject="clr-namespace:Xamarin.Forms.Maps;assembly=Xamarin.Forms.Maps">
    <ContentPage.Content>
        <StackLayout>
            <Grid BackgroundColor="white">
                <mapObject:Map x:Name="mapId" HasZoomEnabled="True" MapType="Street">

                </mapObject:Map>
            </Grid>
        </StackLayout>
    </ContentPage.Content>
</ContentPage>

ModifiedContactUs.xaml.cs

using Xamarin.Forms;
using Xamarin.Forms.Xaml;

namespace Project.Views.Pages
{
    [XamlCompilation(XamlCompilationOptions.Compile)]
    public partial class ModifiedContactUs : ContentPage
    {
        public ModifiedContactUs()
        {
            InitializeComponent();
        }
    }

ContactUs.xaml(The different Page)

<?xml version="1.0" encoding="utf-8" ?>
<customControl:CustomContentPage
    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"
    xmlns:map ="clr-namespace:Xamarin.Forms.Maps;assembly=Xamarin.Forms.Maps"
    xmlns:ffimageloading="clr-namespace:FFImageLoading.Svg.Forms;assembly=FFImageLoading.Svg.Forms"
    xmlns:customControl="clr-namespace:Project.CustomControls.Renderers"
    xmlns:templates_navbar="clr-namespace:Project.Views.Templates.Menus"
    xmlns:fontAwesome="clr-namespace:Project._Utilities"
    mc:Ignorable="d"
    x:Class="Project.Views.Pages.ContactUs"
    >

    <ContentPage.Content>
        <StackLayout BackgroundColor="Transparent" Spacing="0">

            <templates_navbar:NavBar DotMenu_IsVisible="False" BackButton_IsVisible="True"/>

            <Grid BackgroundColor="white">
                <Grid.RowDefinitions>
                    <RowDefinition Height=".33*"/>
                    <RowDefinition Height=".07*"/>
                    <RowDefinition Height=".6*"/>
                </Grid.RowDefinitions>

                <Grid Grid.Row="0">
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width=".7*"/>
                        <ColumnDefinition Width=".3*"/>
                    </Grid.ColumnDefinitions>

                    <StackLayout Grid.Column="0" Padding="10">
                        <StackLayout>
                            <Label 
                                Text="Company Name" 
                                FontAttributes="Bold" 
                                FontSize="Medium"
                                FontFamily="Lato-Bold"
                                VerticalOptions="CenterAndExpand" 
                                HorizontalOptions="StartAndExpand" 
                                />
                            <Label
                                Text="{Binding Address}" 
                                FontFamily="Lato-Bold"
                                VerticalOptions="CenterAndExpand" 
                                HorizontalOptions="StartAndExpand"
                                />
                        </StackLayout>
                        <StackLayout>
                            <Label 
                                Text="Opening Times"
                                FontAttributes="Bold" 
                                FontSize="Medium" 
                                FontFamily="Lato-Bold"
                                VerticalOptions="CenterAndExpand" 
                                HorizontalOptions="StartAndExpand" 
                                />
                            <Label
                                x:Name="weekdays_lbl"
                                Text="{Binding Weekday}"
                                FontFamily="Lato-Bold"
                                VerticalOptions="CenterAndExpand" 
                                HorizontalOptions="StartAndExpand" 
                                />
                            <Label 
                                x:Name="weekend_lbl" 
                                Text="{Binding Weekend}" 
                                FontFamily="Lato-Bold"
                                VerticalOptions="CenterAndExpand" 
                                HorizontalOptions="StartAndExpand" 
                                />
                        </StackLayout>
                    </StackLayout>

                    <StackLayout Grid.Column="1">
                        <StackLayout VerticalOptions="CenterAndExpand">

                            <Button 
                                x:Name="CallUsBtn" 
                                Text="Call Us"
                                TextColor="White"
                                BackgroundColor="{StaticResource PrimaryColour}"
                                FontFamily="Lato-Bold" 
                                FontSize="12"
                                BorderWidth="2" 
                                BorderColor="White" 
                                Margin="1" 
                                CornerRadius="22" 
                                Command="{Binding PhoneCommand}"
                                />

                            <Button 
                                x:Name="MessageUsBtn" 
                                Text="Message" 
                                TextColor="White"
                                BackgroundColor="{StaticResource PrimaryColour}"
                                FontFamily="Lato-Bold" 
                                FontSize="12" 
                                BorderWidth="2" 
                                BorderColor="White" 
                                Margin="1" 
                                CornerRadius="22" 
                                Command="{Binding EmailCommand}"
                                />

                            <Button 
                                x:Name="RequestCallBack" 
                                Text="Request CallBack"
                                TextColor="White"
                                BackgroundColor="{StaticResource AccentColour}"
                                FontFamily="Lato-Bold" 
                                FontSize="11" 
                                BorderWidth="2" 
                                BorderColor="White" 
                                Margin="1" 
                                CornerRadius="22"
                                Command="{Binding CallbackCommand}"
                                />

                        </StackLayout>
                    </StackLayout>

                </Grid>

                <Grid Grid.Row="1" Padding="5">
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width=".25*"/>
                        <ColumnDefinition Width=".25*"/>
                        <ColumnDefinition Width=".25*"/>
                        <ColumnDefinition Width=".25*"/>
                    </Grid.ColumnDefinitions>

                    <StackLayout Grid.Column="0">
                        <Grid VerticalOptions="CenterAndExpand">
                            <Image
                                Source="{FontImage FontFamily={StaticResource MaterialFontFamily},
                                Glyph={x:Static fontAwesome:IconFonts.Facebook}, Color=#1877F2,Size=60}"
                                HeightRequest="80"
                                />
                            <Button Clicked="SocialMediaBtnHandler" BackgroundColor="Transparent" Margin="5, 0" CommandParameter="facebook"/>
                        </Grid>
                    </StackLayout>
                    <StackLayout Grid.Column="1">
                        <Grid VerticalOptions="CenterAndExpand">
                            <Image 
                                Source="{FontImage FontFamily={StaticResource MaterialFontFamily},
                                Glyph={x:Static fontAwesome:IconFonts.Twitter}, Color=#00ACED, Size=60}"/>
                            <Button Clicked="SocialMediaBtnHandler" BackgroundColor="Transparent" Margin="5, 0" CommandParameter="twitter"/>
                        </Grid>
                    </StackLayout>
                    <StackLayout Grid.Column="2">
                        <Grid VerticalOptions="CenterAndExpand">
                            <Image
                                Source="{FontImage FontFamily={StaticResource MaterialFontFamily},
                                Glyph={x:Static fontAwesome:IconFonts.Linkedin}, Color=#0E76A8, Size=60}"/>
                            <Button Clicked="SocialMediaBtnHandler" BackgroundColor="Transparent" Margin="5, 0" CommandParameter="linkedIn"/>
                        </Grid>
                    </StackLayout>
                    <StackLayout Grid.Column="3">
                        <Grid VerticalOptions="CenterAndExpand" Padding="2">
                            <ffimageloading:SvgCachedImage
                                Source="social_logo_instagram.png"
                                HeightRequest="40"/>
                            <Button Clicked="SocialMediaBtnHandler" BackgroundColor="Transparent" Margin="5, 0" CommandParameter="instagram"/>
                        </Grid>
                    </StackLayout>

                </Grid>

                <Grid Grid.Row="2">
                    <Grid>
                        <StackLayout Grid.Row="0" Padding="5">
                            <map:Map x:Name="mapObject" HasZoomEnabled="True" MapType="Street">
                                <map:Map.ItemTemplate>
                                    <DataTemplate>
                                        <map:Pin
                                            Position="{Binding Position}"
                                            Address="{Binding Address}"
                                            Label="{Binding PlaceName}"
                                            />
                                    </DataTemplate>
                                </map:Map.ItemTemplate>
                            </map:Map>
                        </StackLayout>
                    </Grid>
                </Grid>

            </Grid>

            <AbsoluteLayout  BackgroundColor="Red" HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand" AbsoluteLayout.LayoutBounds="0, 0, 1, 1" AbsoluteLayout.LayoutFlags="SizeProportional">

            </AbsoluteLayout>

        </StackLayout>
    </ContentPage.Content>
</customControl:CustomContentPage>

ContactUs.xaml.cs (The different page)

using Project._SharedData;
using Project.CustomControls.Renderers;
using Project.Models;
using Project.ViewModels;
using Rg.Plugins.Popup.Services;
using System;
using Xamarin.Essentials;
using Xamarin.Forms;
using Xamarin.Forms.Maps;
using Xamarin.Forms.Xaml;

namespace Project.Views.Pages
{
    [XamlCompilation(XamlCompilationOptions.Compile)]
    [System.ComponentModel.DesignTimeVisible(false)]
    public partial class ContactUsPage : CustomContentPage
    {
        ContactUsVM _ContactUsVM;
        public ContactUsPage()
        {
            InitializeComponent();
            BindingContext = _ContactUsVM = new ContactUsVM();
            initMap();

            configureDisplay();

            setFontOpeningTime();
        }

        protected override void OnAppearing()
        {
            base.OnAppearing();

            _ContactUsVM.OnAppearing();
            configureDisplay();
        }

        protected override void OnDisappearing()
        {
            base.OnDisappearing();
            _ContactUsVM.OnDisappearing();

            try
            {
                if (PopupNavigation.Instance != null)
                    PopupNavigation.Instance.PopAsync(true);
            }
            catch (Exception) { }
        }

        private void setFontOpeningTime()
        {
            DayOfWeek day = DateTime.Now.DayOfWeek;

            // Set the font based on whether current day is weekday or weekend
            if ((day == DayOfWeek.Saturday) || (day == DayOfWeek.Sunday))
            {
                weekend_lbl.FontAttributes = FontAttributes.Bold;
            }
            else
            {
                weekdays_lbl.FontAttributes = FontAttributes.Bold;
            }
        }

        private void configureDisplay()
        {
            if (!string.IsNullOrEmpty(SharedPrefs.UserSessionEmail))
            {
                RequestCallBack.IsVisible = true;
                MessageUsBtn.Text = "Email";
            }
            else
            {
                RequestCallBack.IsVisible = false;
                MessageUsBtn.Text = "Message";
            }
        }

        private async void SocialMediaBtnHandler(object sender, EventArgs e)
        {
            string socialMediaName = (sender as Button).CommandParameter.ToString().ToLower();
            await Launcher.OpenAsync(SocialMediaModel.WebLink(socialMediaName));
        }

        private void initMap()
        {
            try
            {
                double latitude = Convert.ToDouble(SharedData.CompanyDetailsList[0].Latitude);
                double longitude = Convert.ToDouble(SharedData.CompanyDetailsList[0].Longitude);

                mapObject.MoveToRegion(MapSpan.FromCenterAndRadius(new Position(latitude, longitude), Distance.FromMeters(100)));

                mapObject.ItemsSource = SharedData.CompanyDetailsList;
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
        }
    }
}

Expected behavior

To navigate to a new Page named ModifiedContactUs

Actual behavior:

Navigates to page called named ContactUs

Basic Information:

Android Build:
-minimum level 21
-Target level 30
Devices:
-Huawei Y6 2019 (Physical device)
-API level 29
-Pixel 5 (Emulator)
-API level 30
-Samsung A21 (Physical device)
-API level 31

Notes

...

Workaround

...

jfversluis commented 2 years ago

Hey there, thanks for the report! I highly doubt this is something on our side though...

You say

That different page used to be the one being pushed but it no longer is.

What changed in the meantime, do you know? Did you actually upgrade the Xamarin.Forms version?

Also, I see you're navigating through await Application.Current.MainPage.Navigation.PushAsync(modifiedContactUs); which seems very complex, why not just await Navigation.PushAsync(modifiedContactUs);?