enricocid

import android.content.Context
import android.graphics.Canvas
import android.graphics.Paint
import android.os.Handler
import android.service.wallpaper.WallpaperService
import android.util.DisplayMetrics
import android.view.SurfaceHolder
import android.view.WindowManager
import java.util.*

enricocid

import android.os.Bundle
import android.text.TextUtils
import android.widget.TextView
import androidx.appcompat.app.AppCompatActivity
import androidx.appcompat.widget.Toolbar

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

enricocid

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        
        //get the toolbar
        val toolbar = (get your toolbar)
        setSupportActionBar(toolbar)

        //enable navigation icon