Android:点击了哪个日期选择器

Question

我在同一 Activity

中有 两个日期选择器

当用户点击设备上的后退按钮时，系统应该知道用户更改了哪个日期选择器的日期

注意:

The two date pickers are connected and when the user change one picker date the other picker date change also in a specific way depending on the first picker

有什么办法吗？

Answer 1

我还没有测试过这个，但我认为这应该可行:

private DatePicker datePicker1;
private DatePicker datePicker2;
//...
OnDateChangedListener listener = new OnDateChangedListener() {
    @Override
    public void onDateChanged(DatePicker view, int year, int monthOfYear,int dayOfMonth) {

          if (datePicker1.equals(view)) {
               // Date of datePicker1 is changed
               // ...
          }
          else if (datePicker2.equals(view)) {
               // Date of datePicker2 is changed
               // ...
          }
}

datePicker1.init(2012, 11, 27, listener);
datePicker2.init(2012, 11, 27, listener);