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package com.alansolisflores.mvp.models;

public class Person {

    private String firstName;

    private String lastName;

    public Person(String firstName, String lastName) {
        this.firstName = firstName;

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package com.alansolisflores.listviewgridview;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Toast;

import java.util.ArrayList;

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<?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:ResourceManager"
             x:Class="ResourceManager.MainPage">

    <StackLayout>
      <Label Text="{x:Static local:AppResources.HelloWorld}" 
             HorizontalOptions="Center"
             VerticalOptions="CenterAndExpand" />

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using System;

namespace DependencyInjection.Services.Logger
{
    public interface ILoggerService
    {
        void Error(Exception e);
    }
}

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using System;

namespace DependencyInjection.Services.Logger
{
    public class LoggerService : ILoggerService
    {
        public void Error( Exception e )
        {
            //Do something. Analytics, Tracking, Write LogFile etc.
        }

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namespace DependencyInjection.Dependencies
{
    public interface IAppInformation
    {
        string Version { get; }
    }
}

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public class MainViewModel : INotifyPropertyChanged
{
    private string versionName;
    public string VersionName
    {
        get
        {
            return versionName;
        }
        private set

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<?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:d="http://xamarin.com/schemas/2014/forms/design"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             mc:Ignorable="d"
             x:Class="DependencyInjection.MainPage">

    <StackLayout>
      <Label Text="{Binding VersionName}" 

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public partial class App : Application
{
    public static IContainer Container;

    public App()
    {
        InitializeComponent();

        MainPage = new MainPage();
    }

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public partial class MainPage : ContentPage
{
    public MainPage()
    {
        InitializeComponent();

        //Resolve ViewModel instance and his dependencies
        BindingContext = App.Container.Resolve(typeof(MainViewModel));
    }
}