angelobelchior

<ImageButton Source="{FontImage FontFamily={StaticResource MyFontFamily}, 
             Glyph={StaticResource SmileFace},
             Color={StaticResource White}" />

angelobelchior

<ImageButton>
    <ImageButton.Source>
        <FontImageSource
            FontFamily="{StaticResource MyFontFamily}"
            Glyph="{StaticResource SmileFace}"
            Color="{StaticResource PrimaryColor}" />
    </Image.Source>
</ImageButton>

angelobelchior

private async Task ShowWelcomeMessage(Activity activity)
{
    if (activity is IConversationUpdateActivity conversationUpdated)
    {
        var connector = new ConnectorClient(new Uri(activity.ServiceUrl));
        foreach (var member in conversationUpdated.MembersAdded ?? Array.Empty<ChannelAccount>())
        {
            if (member.Id == conversationUpdated.Recipient.Id)
            {
                var reply = Actions.WelcomeMessage(activity);

angelobelchior

    public sealed class BotActivityLogger : Microsoft.Bot.Builder.History.IActivityLogger
    {
        public async Task LogAsync(IActivity activity)
        {
            var message = activity.AsMessageActivity();
            var text = message.Text;
        }
    }
    
    [BotAuthentication]

angelobelchior

git remote add upstream https://github.com/andrebaltieri/FluentValidator.git
git fetch upstream
git checkout master
git rebase upstream/master

angelobelchior

  //Esse código é apenas para demonstração da funcionalidade do ChangeCanExecute
	public class ViewModelBase : INotifyPropertyChanged
	{
		public event PropertyChangedEventHandler PropertyChanged;

		public void Notify(string propertyName)
		{
			PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
		}
	}

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using System;
using System.Collections.ObjectModel;
using System.ComponentModel;

namespace MyListViewCellApp
{
	public class ViewModel
	{
		public ObservableCollection<Item> Items {
			get;

angelobelchior

<?xml version="1.0" encoding="UTF-8"?>
<TabbedPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="MyListViewCellApp.MainView">
	<TabbedPage.Children>

		<ContentPage Title="TextCell" Padding="0, 20, 0, 0">
			<ContentPage.Content>
				<StackLayout>
					<ListView ItemsSource="{Binding Items}">
						<ListView.ItemTemplate>
							<DataTemplate>

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using System;
using System.Collections.Generic;

using Xamarin.Forms;

namespace MeuDB
{
	public partial class MyPage : ContentPage
	{
		public MyPage ()

angelobelchior

<?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="MeuDB.MyPage">
	<ContentPage.Content>
	<StackLayout Padding="30" Spacing="30">
		<Entry x:Name="Nome" Placeholder="Nome"></Entry>
		<Entry x:Name="Email" Placeholder="Email" Keyboard="Email"></Entry>
		<Entry x:Name="Telefone" Placeholder="Telefone" Keyboard="Telephone"></Entry>

		<Button x:Name="Salvar" Text="Salvar" Clicked="SalvarClicked"></Button>