GameActivity.java

package com.example.a8_bitinvader;

import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;

import android.graphics.Point;              // necessary to get ScreenWidth and ScreenHeight
import android.view.WindowManager;

public class GameActivity extends AppCompatActivity {

    private GameView gameView;

    /**
     * Create an instance of the activity based on the saved state. Then initialize the gameview and display the gameview onto the screen
     * @param savedInstanceState The cached game state
     */
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // puts app into fullscreen when GameActivity is running
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);


        Point point = new Point();
        getWindowManager().getDefaultDisplay().getSize(point);

        gameView = new GameView(this, point.x, point.y);

        setContentView(gameView);
    }

    /**
     * Pause the game
     */
    @Override
    protected void onPause() {
        super.onPause();
        gameView.pause();
    }

    /**
     * Resume the game
     */
    @Override
    protected void onResume() {
        super.onResume();
        gameView.resume();
    }
}