Android Studio -在TextView上显示来自dateRangePicker的选定日期

<TextView
    android:id="@+id/dateTextView"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content" />

import android.app.DatePickerDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.widget.DatePicker;
import android.widget.TextView;

import androidx.appcompat.app.AppCompatActivity;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Locale;

public class MainActivity extends AppCompatActivity {

    private TextView dateTextView;
    private Calendar calendar;

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

        dateTextView = findViewById(R.id.dateTextView);
        calendar = Calendar.getInstance();

        dateTextView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                showDatePicker();
            }
        });
    }

    private void showDatePicker() {
        DatePickerDialog datePickerDialog = new DatePickerDialog(
                MainActivity.this,
                new DatePickerDialog.OnDateSetListener() {
                    @Override
                    public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
                        calendar.set(Calendar.YEAR, year);
                        calendar.set(Calendar.MONTH, month);
                        calendar.set(Calendar.DAY_OF_MONTH, dayOfMonth);

                        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd", Locale.getDefault());
                        String selectedDate = dateFormat.format(calendar.getTime());

                        dateTextView.setText(selectedDate);
                    }
                },
                calendar.get(Calendar.YEAR),
                calendar.get(Calendar.MONTH),
                calendar.get(Calendar.DAY_OF_MONTH)
        );

        datePickerDialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
            @Override
            public void onCancel(DialogInterface dialog) {
                // 处理取消选择日期的逻辑（可选）
            }
        });

        datePickerDialog.show();
    }
}