问执行操作时重复调用OnCreate方法应该怎么解决？

EN

    @Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.chef_recipe_detail);

    mDemoSlider = findViewById(R.id.slider);

    View view = findViewById(R.id.view_recipe);
    view.setVisibility(View.VISIBLE);

    View view2 = findViewById(R.id.view_recipe2);
    view2.setVisibility(View.VISIBLE);


    // Get post key from intent
    cheeseKey = getIntent().getStringExtra(EXTRA_CHEESE_KEY);
    if (cheeseKey == null) {
        throw new IllegalArgumentException("Must pass EXTRA_POST_KEY");
    }

    firebaseUser = FirebaseAuth.getInstance().getCurrentUser();
    if (firebaseUser != null) {

        uid = firebaseUser.getUid();
    }


    // Initialize Firebase Auth and Database Reference
    mDatabase = FirebaseDatabase.getInstance().getReference();

    //Database ref for likes
    likeQuery = FirebaseDatabase.getInstance().getReference().child
            ("Post").child("PostRecipe").child(cheeseKey).child("Likes").child(uid);


    DatabaseReference mDatabaseRef = FirebaseDatabase.getInstance().
            getReference().child("Post").child("PostRecipe").child(cheeseKey);
    Log.e(TAG, "url" + mDatabaseRef.getRef());


    LinearLayout openComment = findViewById(R.id.linear_open_comment);

    openComment.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {

            Intent intent = new Intent(Chef_RecipeDetails.this, Comment.class);
            intent.putExtra(Comment.EXTRA_COMMENT_KEY, cheeseKey);
            startActivity(intent);
        }
    });


    count_like_textview = findViewById(R.id.like_textview);
    favourite_button = findViewById(R.id.fab_like);

    linear_favourite = findViewById(R.id.linear_love);


    final Toolbar toolbar = findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);


    collapsingToolbar = findViewById(R.id.collapsing_toolbar);

    profile_name = findViewById(R.id.profile_name);
    food_name = findViewById(R.id.food_name);
    food_tips = findViewById(R.id.food_tips);
    final CircleImageView profile_photo = findViewById(R.id.profile_photo);

    linear_favourite.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {

            setupLike();
        }
    });



    //End of onCreate method
}

   private void setupLike() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        if (likeEvent) {
            //If food is disliked already, like it

            unLikePerformed();
            count_like();

        } else {
            //If food is liked already, disliked it

            likePerformed();
            count_like();

        }
    }
}

private void likePerformed() {

    //Get food recipe_key as the its comment_id. For this, all comment have unique ID
    //and this ID is the same as the Recipe commented on.
    //Database ref for likes

    Map<String, Object> userMap = new HashMap<>();
    userMap.put("likes", uid);
    userMap.put("recipe", cheeseKey);

    likeQuery.updateChildren(userMap).addOnCompleteListener(new OnCompleteListener<Void>() {
        @Override
        public void onComplete(@NonNull Task<Void> task) {

            if (task.isSuccessful()) {
                Log.d(TAG, "likePerformed " + "like");
                likeEvent = true;
                favourite_button.setImageResource(R.drawable.favorite_red);

            }
        }
    });

}