borepin/Borepin/Borepin/Page/AddUserPage.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="Borepin.Page.AddUserPage"
             xmlns:converters="clr-namespace:Borepin.Converter"
             xmlns:resource_text="clr-namespace:Borepin.Resources.Text"
             Title="{x:Static resource_text:TextResource.TITLE_AddUser}">
    <ContentPage.Resources>
        <ResourceDictionary>
            <converters:InvertBoolConverter x:Key="InvertBoolConverter"/>
        </ResourceDictionary>
    </ContentPage.Resources>
    <ContentPage.Content>
        <StackLayout Padding="20">
            <StackLayout IsVisible="{Binding IsBusy}">
                <ActivityIndicator IsRunning="{Binding IsBusy}"></ActivityIndicator>
            </StackLayout>
            <StackLayout IsVisible="{Binding IsBusy, Converter={StaticResource InvertBoolConverter}}">
                <StackLayout IsVisible="{Binding IsConnected}">
                    <Label Text="{x:Static resource_text:TextResource.USERNAME}" Style="{StaticResource Style_Label_Property_Title}"></Label>
                    <Entry Text="{Binding Username}" Keyboard="Url" IsSpellCheckEnabled="false"/>
                    <Label Text="{x:Static resource_text:TextResource.PASSWORD}" Style="{StaticResource Style_Label_Property_Title}"></Label>
                    <Entry Text="{Binding Password}" Keyboard="Url" IsSpellCheckEnabled="false"/>
                    <Button Text="{x:Static resource_text:TextResource.AddUserPage_AddUser}" Command="{Binding AddUserCommand}" Style="{StaticResource Style_Button_Primary}"/>
                </StackLayout>
                <StackLayout IsVisible="{Binding IsConnected, Converter={StaticResource InvertBoolConverter}}">
                    <Label Text="{x:Static resource_text:TextResource.PLEASECONNECTTOSERVER}"/>
                </StackLayout>
            </StackLayout>
        </StackLayout>
    </ContentPage.Content>
</ContentPage>