TA-2017 TelaApp

MainPage.xaml.cs


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Xamarin.Forms;

namespace TelaApp
{
    public partial class MainPage : ContentPage

    {
        public Color BoxColor { get; set; }
        public Keyboard KeyboardPersonalizado { get; set; }
        public TimeSpan TimeSpan { get; set; }


        public MainPage()
        {
            InitializeComponent();
            BoxColor = Color.FromRgb(200, 100, 100);
            TimeSpan = new TimeSpan(22, 35, 00);
            KeyboardPersonalizado = Keyboard.Email;
            BindingContext = this;
        }
        private void NewEntryTextoModificado(object sender, TextChangedEventArgs textChangedEventArgs)
        {
            var texto = textChangedEventArgs.NewTextValue;
            System.Diagnostics.Debug.WriteLine("texto modificado " + texto);
        }

        private void NewEntryTextoCompleto(object sender, EventArgs eventArgs)
        {
            var texto = entryUm.Text;
            System.Diagnostics.Debug.WriteLine("texto concluído " + texto);
        }
        private void NewButtonClicado(object sender, EventArgs eventArgs)
        {
            var valor = entryUm.Text.ToString();
            System.Diagnostics.Debug.WriteLine("Botão clicado! " + valor + " ??");
        }
        private void Editor_OnCompleted(object sender, EventArgs e)
        {
            System.Diagnostics.Debug.WriteLine("texto completo");
        }

        private void Editor_OnTextChanged(object sender, TextChangedEventArgs e)
        {
            System.Diagnostics.Debug.WriteLine("texto editado");
        }
        private void Slider_OnValueChanged(object sender, ValueChangedEventArgs e)
        {
            System.Diagnostics.Debug.WriteLine("Valor antigo era " + e.OldValue);
            System.Diagnostics.Debug.WriteLine("Valor novo é " + e.NewValue);
        }
        private void Stepper_OnValueChanged(object sender, ValueChangedEventArgs e)
        {
            System.Diagnostics.Debug.WriteLine("valor antigo era " + e.OldValue);
            System.Diagnostics.Debug.WriteLine("Novo valor é " + e.NewValue);
        }
        private void Switch_OnToggled(object sender, ToggledEventArgs e)
        {
            System.Diagnostics.Debug.WriteLine("Status atual do switch: " + e.Value);
        }
        private void SearchBar_OnTextChanged(object sender, TextChangedEventArgs e)
        {
            System.Diagnostics.Debug.WriteLine("Texto que estava no elemento: " + e.OldTextValue);
            System.Diagnostics.Debug.WriteLine("Texto que está no elemento: " + e.NewTextValue);
        }

        private void SearchBar_OnSearchButtonPressed(object sender, EventArgs e)
        {
            System.Diagnostics.Debug.WriteLine("Texto no elemento: " + ((SearchBar)sender).Text);
        }
        private void DatePicker_OnDateSelected(object sender, DateChangedEventArgs e)
        {
            System.Diagnostics.Debug.WriteLine($"Data antiga: {e.OldDate.ToString("yy-MM-dd")}");
            System.Diagnostics.Debug.WriteLine($"Data nova: {e.NewDate.ToString("yy-MM-dd")}");
        }
        private void Picker_OnSelectedIndexChanged(object sender, EventArgs e)
        {
            System.Diagnostics.Debug.WriteLine($"Índice escolhido do picker: {((Picker)sender).SelectedIndex}");
            System.Diagnostics.Debug.WriteLine($"Elemento escolhido do picker: {((Picker)sender).Items[((Picker)sender).SelectedIndex]}");
        }
    }
}

--------------------------------

MainPage.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"
xmlns:local="clr-namespace:TelaApp"
x:Class="NovoApp.MainPage">
    <ScrollView>
    <StackLayout
HorizontalOptions="Center"
VerticalOptions="Center">
        <Label Text="Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet. Finish"
LineBreakMode="WordWrap"
VerticalOptions="Center"
HorizontalOptions="Center"
FontSize="15"
TextColor="#c864c8"/>
        <Label Text="Label 2. Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet."
LineBreakMode="WordWrap"
VerticalOptions="Center"
HorizontalOptions="Center"
FontSize="15"
TextColor="#999"/>
        <Entry HorizontalOptions="FillAndExpand"
               x:Name="entryUm"
VerticalOptions="Center"
Placeholder="Digite o texto aqui"
Completed="NewEntryTextoCompleto"
TextChanged="NewEntryTextoModificado"
Keyboard="{Binding KeyboardPersonalizado}" />
        <Button Text="Meu Botao"
HorizontalOptions="FillAndExpand"
VerticalOptions="Center"
Clicked="NewButtonClicado" />
        <Editor
FontSize="35"
FontAttributes="Italic"
Text="teste"
Completed="Editor_OnCompleted"
TextChanged="Editor_OnTextChanged"
/>
        <ActivityIndicator
VerticalOptions="Center"
HorizontalOptions="Center"
IsRunning="True"
IsVisible="True" />
        <BoxView
VerticalOptions = "Center"
HorizontalOptions="Center"
WidthRequest="200"
HeightRequest="350"
Color ="{Binding BoxColor}"/>
        <ProgressBar
Progress="0.5"
HorizontalOptions="Fill"
VerticalOptions="Center"
/>
        <Slider
Minimum="0"
Maximum="125"
VerticalOptions="Center"
HorizontalOptions="Fill"
Value="57"
ValueChanged="Slider_OnValueChanged"
/>
        <Switch
HorizontalOptions="Center"
VerticalOptions="Center"
IsToggled="True"
Toggled="Switch_OnToggled"
/>
        <Stepper
Maximum="10"
Minimum="1"
Increment="0.4"
Value="5"
VerticalOptions="Center"
HorizontalOptions="Center"
ValueChanged="Stepper_OnValueChanged"
/>
        <SearchBar
HorizontalOptions="Fill"
VerticalOptions="Center"
CancelButtonColor="Black"
Placeholder="Digite o termo de busca"
PlaceholderColor="Green"
FontSize="25"
FontAttributes="Bold"
TextChanged="SearchBar_OnTextChanged"
SearchButtonPressed="SearchBar_OnSearchButtonPressed"
/>
        <TimePicker
VerticalOptions="Center"
HorizontalOptions="Fill"
Time="{Binding TimeSpan}"
Format="HH:mm"
/>
        <DatePicker
MinimumDate="2016/01/01"
MaximumDate="2016/01/31"
Format="yyyy/MM/dd"
HorizontalOptions="Fill"
VerticalOptions="Center"
DateSelected="DatePicker_OnDateSelected"
/>
        <Picker
VerticalOptions="Center"
HorizontalOptions="Fill"
SelectedIndexChanged="Picker_OnSelectedIndexChanged">
            <Picker.Items>
                <x:String>Opção 1</x:String>
                <x:String>Opção 2</x:String>
                <x:String>Opção 3</x:String>
            </Picker.Items>
        </Picker>
    </StackLayout>
    </ScrollView>
</ContentPage>