在 TextView 中显示当前日期

问题描述

基本上我需要在我的文本视图中显示当前日期，然后当我点击日期时它会打开日期选择器。我已经解决了这个问题，但它没有显示当前日期。当我单击文本视图时，它会显示日期选择器，然后我必须选择日期。如何在文本视图中获取当前日期？

////set the Current Date in Textview

        dateView1.setonClickListener(new View.OnClickListener(){
            @Override
            public void onClick(View v) {
                Calendar cal = Calendar.getInstance();
                int year = cal.get(Calendar.YEAR);
                int month = cal.get(Calendar.MONTH);
                int day = cal.get(Calendar.DAY_OF_MONTH);


                DatePickerDialog dialog = new DatePickerDialog(getContext(),android.R.style.Theme_DeviceDefault_Dialog,setListener,year,month,day);
                dialog.show();

                
            }
        });


        setListener = new DatePickerDialog.OnDateSetListener() {
            @Override
            public void onDateSet(DatePicker datePicker,int year,int month,int day) {
                month = month + 1;


                String date = month + "-" + day + "-" + year;
                dateView1.setText(date);
                dateView1.setText(date);


            }

        };

Click Here To see the image,what i have wanted to is show current date here.

解决方法

试试这个

import java.time.format.DateTimeFormatter;  
import java.time.LocalDateTime;    
public class Main{
public static void main(String[] args) {
    DateTimeFormatter dtf = DateTimeFormatter.ofPattern("yyyy.MM.dd");  
    LocalDateTime now = LocalDateTime.now();  
    System.out.println(dtf.format(now));  
}

}

安卓工作室

dateView1.setText(dtf.format(now));

相同主题 -> https://stackoverflow.com/a/5369753/16300574