JMainActivity package kr.appgrider.game import android.graphics.PixelFormat import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.util.Log import android.view.View import kr.appgrider.JoystickView class JMainActivity : AppCompatActivity(), JoystickView.JoystickListener { lateinit var testJoystick : JoystickView override fun onCreate(savedInstanceState: Bundle?) ..