我的代码没有按要求提供输出。任何想法解决这个问题？

Question

我想在设备首次执行应用程序时显示两个启动活动。 我使用共享偏好来完成这项工作，但这并不是我想要的。

以下是代码：

@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);

        super.onCreate(savedInstanceState);
        Log.d("test", "on Main 2");
        try {
            SharedPreferences sharedPreferences = getSharedPreferences("prefs", 
0);
            SharedPreferences.Editor editor = sharedPreferences.edit();
            boolean firstTime = sharedPreferences.getBoolean("first", false);

            Log.d("test", "on Main 2 shared Preference");

            if (!firstTime) {

                Log.d("test", "on Main 2 shared Preference,check if it appeared 
for the first time.");

                //running for the first time;
                editor.putBoolean("first", true);

                editor.apply();
                //if running for the first time then jump from this activity to 
Main3.
                Log.d("test", "on Main 2 shared Preference,going  to Main3");
                Intent intent = new Intent(Main2.this, Main3.class);
                startActivity(intent);
                Log.d("test", "going to main 3 ");
                finish();
            } else {
                //if not running for the first time then jump from this activity 
to Main3.
                Intent intent = new Intent(Main2.this, SendMessage.class);
                startActivity(intent);
                finish();
            }

同一段代码用于具有不同类名的其他类。 代码是：

 SharedPreferences sharedPreferences = getSharedPreferences("prefs", 0);
        SharedPreferences.Editor editor = sharedPreferences.edit();
        boolean firstTime = sharedPreferences.getBoolean("first", false);

        if (!firstTime) {
            //running for the first time;
            editor.putBoolean("first", true);

            editor.apply();
            //if running for the first time then jump from this activity to Main4.
            Intent intent = new Intent(Main3.this, Main4.class);
            startActivity(intent);
            finish();
        } else {
            //if not running for the first time then jump from this activity to Main4.
            Intent intent = new Intent(Main3.this, Main4.class);
            startActivity(intent);
            finish();
        }

Main4是我们每次应用启动时要显示的活动。 启动时，应用会直接跳转到Main4活动而不显示Main2和Main3。我认为我的意图存在一些问题。

请提出这个问题的建议！