<style name="Theme.Splash" parent="android:Theme">
     <item name="android:windowFullscreen">true</item>    
     <item name="android:windowBackground">@drawable/SplashScreen</item>
     <item name="android:windowNoTitle">true</item> 
    </style>

<AbsoluteLayout VerticalOptions="FillAndExpand"
                    HorizontalOptions="FillAndExpand" >
        <Image x:Name="FonIMG" Source="SplashScreen.png" Aspect="Fill" AbsoluteLayout.LayoutBounds="0,0,1,1" AbsoluteLayout.LayoutFlags="All"/>
        <ScrollView AbsoluteLayout.LayoutBounds="{OnPlatform Android='0.5,0.25,0.8,0.4',iOS='0.5,0.5,0.8,0.4' }" AbsoluteLayout.LayoutFlags="All" HeightRequest="200">       
        <StackLayout >            
                <StackLayout Padding="5">             
                <ActivityIndicator x:Name="Indicator" Color="Red"/>                      
                <Entry x:Name="Entry_User" Placeholder="Табельный номер"  TextColor="Black"/>                      
                <Entry x:Name="Entry_Pass" Placeholder="Пароль"  TextColor="Black"/>                       
                <StackLayout Orientation="Horizontal">
                    <Grid>
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="*"/>
                            <ColumnDefinition Width="*"/>
                        </Grid.ColumnDefinitions>
                        <Label Text="Запомнить меня"  Grid.Column="0" HorizontalOptions="Start" FontSize="Small" TextColor="DarkBlue"/>
                            <Switch x:Name="SaveMe" Grid.Column="1" HorizontalOptions="EndAndExpand" IsToggled="True" />
                        </Grid>
                </StackLayout>                
            </StackLayout>        
            <Button x:Name="btnLogin" Text="Войти" Clicked="BtnLogin_Clicked" TextColor="DarkBlue" FontSize="Medium"></Button>
        </StackLayout>
        </ScrollView>        
    </AbsoluteLayout>