分数不会在app中递增

Question

我有一个问题，分数没有递增，我在做自己的测验时得到的信息是，当我点击了所有正确的答案时，我得到了3分。有人可以快点看看我做错了什么吗？提前谢谢！

public class MainActivity extends AppCompatActivity {
int score;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    score = 0;

    final CheckedTextView check1 = (CheckedTextView) findViewById(R.id.Q1answerA);
    check1.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            score++;
            check1.toggle();
            newActivity1();
        }
    });

    final CheckedTextView check2 = (CheckedTextView) findViewById(R.id.Q1answerB);
    check2.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            check2.toggle();
            newActivity1();
        }
    });

    final CheckedTextView check3 = (CheckedTextView) findViewById(R.id.Q1answerC);
    check3.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            check3.toggle();
            newActivity1();
        }
    });
}

public void newActivity1() {
    Intent intent = new Intent(MainActivity.this, NewActivity1.class);
    startActivity(intent);
}
public int getScore1(){
    return this.score;
}
}

newActivity

public class NewActivity1 extends AppCompatActivity {
int score;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_new1);

    score = 0;

    final CheckedTextView check1 = (CheckedTextView) findViewById(R.id.Q2answerA);
    check1.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            check1.toggle();
            newActivity2();
        }
    });

    final CheckedTextView check2 = (CheckedTextView) findViewById(R.id.Q2answerB);
    check2.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            score++;
            check2.toggle();
            newActivity2();
        }
    });

    final CheckedTextView check3 = (CheckedTextView) findViewById(R.id.Q2answerC);
    check3.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            check3.toggle();
            newActivity2();
        }
    });

}

public void newActivity2() {
    Intent intent = new Intent(NewActivity1.this, NewActivity2.class);
    startActivity(intent);
}

public int getScore2() {
    return this.score;
}
}

newActivity

public class NewActivity2 extends AppCompatActivity {
int score;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_new2);

    score = 0;

    final CheckedTextView check1 = (CheckedTextView) findViewById(R.id.Q3answerA);
    check1.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            score++;
            check1.toggle();
            newActivity3();
        }
    });

    final CheckedTextView check2 = (CheckedTextView) findViewById(R.id.Q3answerB);
    check2.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            check2.toggle();
            newActivity3();
        }
    });

    final CheckedTextView check3 = (CheckedTextView) findViewById(R.id.Q3answerC);
    check3.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            check3.toggle();
            newActivity3();
        }
    });

}
public void newActivity3() {
    Intent intent = new Intent(NewActivity2.this, NewActivity3.class);
    startActivity(intent);
}

public int getScore3() {
    return this.score;
}
}

newActivity

public class NewActivity3 extends AppCompatActivity {
    int score;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_new3);

    score = 0;

    score();
    textScore();
}

public void score() {
    MainActivity main = new MainActivity();
    NewActivity1 ac1 = new NewActivity1();
    NewActivity2 ac2 = new NewActivity2();

    if (main.getScore1() == 1) {
        score++;
    }
    if (ac1.getScore2() == 1) {
        score++;
    }
    if (ac2.getScore3() == 1) {
        score++;
    }
}

public int getScore() {
    return this.score;
}

public void textScore() {
    if (getScore() == 3) {
        TextView score3 = (TextView) findViewById(R.id.score3);
        score3.setVisibility(View.VISIBLE);
    } else if (getScore() == 2) {
        TextView score2 = (TextView) findViewById(R.id.score2);
        score2.setVisibility(View.VISIBLE);
    } else if (getScore() == 1) {
        TextView score1 = (TextView) findViewById(R.id.score1);
        score1.setVisibility(View.VISIBLE);
    } else if (getScore() == 0) {
        TextView score0 = (TextView) findViewById(R.id.score0);
        score0.setVisibility(View.VISIBLE);
    }
    }
    }