sunmeat

res \ values \ strings.xml:

<resources>
    <string name="app_name">Menu Example</string>
    <string name="file">File</string>
    <string name="edit">Edit</string>
    <string name="view">View</string>
    <string name="navigate">Navigate</string>
</resources>

sunmeat

layout\my_item.xml:

<TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:fontFamily="casual"
    android:padding="10dp"
    android:textColor="@color/pink"
    android:textSize="30sp"
    android:textStyle="bold" />

sunmeat

AndroidManifest.xml:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">
    
    <application
        ...
        android:theme="@style/Theme.AppCompat.DayNight.DarkActionBar"
        ...

sunmeat

activity_main.xml:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

sunmeat

package com.sunmeat.myapplication;

import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import androidx.appcompat.app.AppCompatActivity;
public class MainActivity extends AppCompatActivity {

sunmeat

SELECT
    DB_NAME(database_id) AS DatabaseName,
    SUM(size) * 8 AS SizeInBytes
FROM
    sys.master_files
WHERE
    database_id > 4
GROUP BY
    database_id
ORDER BY

sunmeat

// Интерфейсы, описывающие абстрактное поведение
interface IFlyBehavior
{
    void Fly();
}

interface IQuackBehavior
{
    void Quack();

sunmeat

interface IChief
{
    object MakeBreakfast();
    object MakeLunch();
    object MakeDinner();
}

class ScrewNut { }
class Pipe { }

sunmeat

class SkiRent // аренда снаряжения
{
    public double RentBoots(int feetSize, int skierLevel) // ботинки
    {
        double price = 159.99;
        // if (feetSize < 40) price -= 20; // скидка для детей
        return price;
    }

sunmeat

// Абстрактный класс для продуктов-диалогов
abstract class Dialog
{
    public abstract void Render();
    public abstract void Click();
}

// Конкретный продукт диалога для Windows
class WindowsDialog : Dialog
{