EditText ET_name;
EditText ET_username;
EditText ET_password;
EditText ET_age;
EditText ET_email;
Button btnFinish;
private int _Chuccount_Id = 0;

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

    ET_name = findViewById(R.id.name);
    ET_username = findViewById(R.id.username);
    ET_password = findViewById(R.id.password);
    ET_age = findViewById(R.id.age);
    ET_email = findViewById(R.id.email);
    btnFinish = findViewById(R.id.btnFinish);

    btnFinish.setOnClickListener(this);

    _Chuccount_Id = 0;
    Intent intent = getIntent();
    _Chuccount_Id = intent.getIntExtra("chuccount_Id", 0);

    ChuccountRepo repo = new ChuccountRepo(this);
    Chuccount chuccount;
    chuccount = repo.getStudentById(_Chuccount_Id);

    ET_age.setText(String.valueOf(chuccount.age));
    ET_name.setText(chuccount.name);
    ET_email.setText(chuccount.email);
    ET_username.setText(chuccount.username);
    ET_password.setText(chuccount.password);

}