在DatePicker中设置默认日期(其他格式)- Android

<DatePicker
    android:id="@+id/datePicker"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:calendarViewShown="false"
    android:datePickerMode="spinner" />

DatePicker datePicker = findViewById(R.id.datePicker);

// 获取当前日期
Calendar calendar = Calendar.getInstance();
int year = calendar.get(Calendar.YEAR);
int month = calendar.get(Calendar.MONTH);
int day = calendar.get(Calendar.DAY_OF_MONTH);

// 设置默认日期
datePicker.init(year, month, day, null);

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
Date defaultDate = sdf.parse("2022-01-01");

Calendar calendar = Calendar.getInstance();
calendar.setTime(defaultDate);

int year = calendar.get(Calendar.YEAR);
int month = calendar.get(Calendar.MONTH);
int day = calendar.get(Calendar.DAY_OF_MONTH);

datePicker.init(year, month, day, null);