라즈이노 iOT

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:id="@+id/toolbar"
    android:background="@android:color/holo_red_light">
    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:padding="18dp">
        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/iv_backArrow"
            android:layout_centerVertical="true"
            android:src="@drawable/baseline_arrow_back_24"/>
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Home"
            android:textColor="@color/white"
            android:id="@+id/tv_home"
            android:textStyle="bold"
            android:textSize="20dp"
            android:layout_centerVertical="true"
            android:layout_marginStart="30dp"/>

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:id="@+id/iv_menu"
            android:src="@drawable/baseline_menu_24"
            android:layout_centerVertical="true"
            android:layout_alignParentEnd="true"/>
    </RelativeLayout>

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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:id="@+id/main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
        <include layout="@layout/toolbar"/>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="20dp"
        android:textStyle="bold"
        android:text="Hello Rasino!"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>

package com.example.appbar_toolbar

import android.os.Bundle
import android.widget.ImageView
import android.widget.TextView
import android.widget.Toast
import androidx.activity.enableEdgeToEdge
import androidx.appcompat.app.AppCompatActivity
import com.example.appbar_toolbar.databinding.ActivityMainBinding
import com.example.appbar_toolbar.databinding.ToolbarBinding
class MainActivity : AppCompatActivity() {
    private lateinit var binding: ActivityMainBinding
    private lateinit var toolbarBinding: ToolbarBinding
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        enableEdgeToEdge()
        binding = ActivityMainBinding.inflate(layoutInflater)
        toolbarBinding = ToolbarBinding.bind(binding.root.findViewById(R.id.toolbar))
        setContentView(binding.root)

        val backArrow = findViewById<ImageView>(R.id.iv_backArrow)
        val home = findViewById<TextView>(R.id.tv_home)
        val menu = findViewById<ImageView>(R.id.iv_menu)
        backArrow.setOnClickListener{
            Toast.makeText(this, "← 처음 화면으로 이동합니다!", Toast.LENGTH_SHORT).show()
        }
        home.setOnClickListener{
            Toast.makeText(this, "Home을 터치했습니다!", Toast.LENGTH_SHORT).show()
        }
        menu.setOnClickListener{
            Toast.makeText(this, "Menu를 선택했습니다!", Toast.LENGTH_SHORT).show()
        }
    }
}