package com.example.spaceattack;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class EndActivity extends AppCompatActivity {
    private Button gameStart;
    private TextView numberScore;
    private String score;
    TextView table_score;
    int lastScore;
    int best1, best2, best3;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_end);
        table_score = (TextView) findViewById(R.id.table_score);
        SharedPreferences preferences = getSharedPreferences("PREFS", 0);
        lastScore = preferences.getInt("lastScore", 0);
        best1 = preferences.getInt("best1", 0);
        best2 = preferences.getInt("best2", 0);
        best3 = preferences.getInt("best3", 0);
        if (lastScore > best3) {
            best3 = lastScore;
            SharedPreferences.Editor editor = preferences.edit();
            editor.putInt("best3", best3);
            editor.apply();
        }
        if (lastScore > best2) {
            int temp = best2;
            best2 = lastScore;
            best3 = temp;
            SharedPreferences.Editor editor = preferences.edit();
            editor.putInt("best3", best3);
            editor.putInt("best2", best2);
            editor.apply();
        }
        if (lastScore > best1) {
            int temp = best1;
            best1 = lastScore;
            best2 = temp;
            SharedPreferences.Editor editor = preferences.edit();
            editor.putInt("best2", best2);
            editor.putInt("best1", best1);
            editor.apply();
        }
        table_score.setText("LAST SCORE: " + lastScore + "\n" +
                "BEST1: " + best1 + "\n" +
                "BEST2: " + best2 + "\n" +
                "BEST3: " + best3);
        score = getIntent().getExtras().get("score").toString();
        gameStart = (Button) findViewById(R.id.restart_btn);
        numberScore = (TextView) findViewById(R.id.scoreCount);
        gameStart.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(EndActivity.this, WaterActivity.class);
                startActivity(intent);
            }
        });
        numberScore.setText("Score = " + score);
    }
    @Override
    public void onBackPressed() {
        Intent intent = new Intent(this, MainActivity.class);
        startActivity(intent);
    }
}
package com.example.spaceattack;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.view.WindowManager;
import java.util.Timer;
import java.util.TimerTask;
public class MainActivity extends AppCompatActivity
{
    private SpaceShipView gameView;
    private Handler handler = new Handler();
    private final static long Interval = 30;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        gameView = new SpaceShipView(this);
        setContentView(gameView);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
            getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN);
        } else {
            getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
        }
        Timer timer = new Timer();
        timer.schedule(new TimerTask() {
            @Override
            public void run()
            {
                handler.post(new Runnable() {
                    @Override
                    public void run()
                    {
                        gameView.invalidate();
                    }
                });
            }
        }, 0, Interval);
    }
}