public class dialog extends Dialog implements
        android.view.View.OnClickListener {

    public Activity activity;
    public Button yes, no;
    String name;

    public dialog(Activity a) {
        super(a);
        this.activity = a;
        }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.dialog);

        yes = findViewById(R.id.btn_yes);
        no = findViewById(R.id.btn_no);
        yes.setOnClickListener(this);
        no.setOnClickListener(this);

        EditText createTable;
        createTable = findViewById(R.id.createTable);
        name = createTable.getText().toString();
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.btn_yes:

                // TODO HERE

                break;
            case R.id.btn_no:
                dismiss();
                break;
            default:
                break;
        }
        dismiss();
    }
}