如何在Android中的datepicker对话框中显示选定日期中的第二天日期？
如何在Android中的datepicker对话框中显示选定日期中的第二天日期？
提问于 2019-01-08 06:15:37
我目前正在显示今天的日期和日期&以及明天的日期和日期在单独的布局，而在页面加载。但我的要求是
1)无论我从Datepicker,中选择什么日期，它都应该显示在第一个布局上
2)第二天的日期应显示在第二版面上。
我的第一个要求是工作正常，没有任何问题。(即)，无论我选择哪一天，它都显示在第一版面上。没问题，但我的第二个要求有问题。
如果我选择在DatePicker,上选择25-5月-2018年，它将显示在第一版面上，而不是将第二天的日期显示为26-5-2018，而是显示为26-6-6-2018。但我需要它的工作方式，如果我选择25-5月-2018年在Datepicker,，选定的日期应该显示在第一布局&第二天的第二天(26-5-2018)应该显示在下一个布局。这应该适用于我在Datepicker.中选择的任何日期
我哪里出错了？
这是我的Activity.Java：
public class PrivacyPolicyActivity extends AppCompatActivity {
LinearLayout layout1, layout2, layout3, todayLayout, tomorrowLayout;
ImageView calendarImgView;
TextView todayDate;
TextView todayDay;
TextView tommmorrowDate;
TextView tommorrowDay;
TextView todayLabel;
TextView tommorrowlabel;
DatePickerDialog datePickerDialog;
Calendar calendar;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_privacy_policy);
calendar = Calendar.getInstance();
Date today = calendar.getTime();
calendar.add(Calendar.DAY_OF_YEAR, 1);
Date tomorrow = calendar.getTime();
final DateFormat dateFormat = new SimpleDateFormat("dd-MMM");
DateFormat day = new SimpleDateFormat("EEEE");
layout1 = (LinearLayout) findViewById(R.id.layout1);
layout2 = (LinearLayout) findViewById(R.id.layout2);
layout3 = (LinearLayout) findViewById(R.id.layout3);
todayDate = (TextView) findViewById(R.id.todayDate);
todayDate.setText(dateFormat.format(today));
todayDay = (TextView) findViewById(R.id.todayDay);
todayDay.setText(day.format(today));
tommmorrowDate = (TextView) findViewById(R.id.tommmorrowDate);
tommmorrowDate.setText(dateFormat.format(tomorrow));
tommorrowDay = (TextView) findViewById(R.id.tommorrowDay);
tommorrowDay.setText(day.format(tomorrow));
todayLayout = (LinearLayout) findViewById(R.id.todayLayout);
tomorrowLayout = (LinearLayout) findViewById(R.id.tomorrowLayout);
todayLabel = (TextView) findViewById(R.id.todayLabel);
tommorrowlabel = (TextView) findViewById(R.id.tommorrowlabel);
calendarImgView = (ImageView) findViewById(R.id.calendarImgView);
calendarImgView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Calendar calendar = Calendar.getInstance();
int year = calendar.get(Calendar.YEAR);
int month = calendar.get(Calendar.MONTH);
int dayOfMonth = calendar.get(Calendar.DAY_OF_MONTH);
datePickerDialog = new DatePickerDialog(PrivacyPolicyActivity.this,
new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker datePicker, int year, int month, int day) {
// SimpleDateFormat dateandmonth = new SimpleDateFormat("dd-MMM");
// Date date = new Date();
// String reqddate = dateandmonth.format(date);
//todayDate.setText(day + "/" + (month + 1) + "/" + year);
int cyear = datePicker.getYear();
int cmonth = datePicker.getMonth();
int cday = datePicker.getDayOfMonth();
Calendar cld = Calendar.getInstance();
cld.set(cyear, cmonth, cday);
SimpleDateFormat format = new SimpleDateFormat("dd-MMM");
String strDate = format.format(cld.getTime());
todayDate.setText(strDate);
SimpleDateFormat dayfmt = new SimpleDateFormat("EEEE");
String dayselected = dayfmt.format(cld.getTime());
todayDay.setText(dayselected);
int nextYear = datePicker.getYear() + 1;
int nextMonth = datePicker.getMonth() + 1;
int nextDay = datePicker.getDayOfMonth() + 1;
Calendar nextcld = Calendar.getInstance();
nextcld.set(nextYear, nextMonth, nextDay);
SimpleDateFormat tom_format = new SimpleDateFormat("dd-MMM");
String tom_date = tom_format.format(nextcld.getTime());
tommmorrowDate.setText(tom_date);
SimpleDateFormat day_fmt = new SimpleDateFormat("EEEE");
String tom_day = day_fmt.format(cld.getTime());
tommorrowDay.setText(tom_day);
}
}, year, month, dayOfMonth);
datePickerDialog.show();
}
});
}
}回答 2
Stack Overflow用户
回答已采纳
发布于 2019-01-08 06:27:48
为什么你的月份和年份也增加了1？
int nextYear = datePicker.getYear() + 1;
int nextMonth = datePicker.getMonth() + 1;
int nextDay = datePicker.getDayOfMonth() + 1;只需增加nextDay。
cld.add(Calendar.DATE, 1);解决方案
calendarImgView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Calendar calendar = Calendar.getInstance();
int year = calendar.get(Calendar.YEAR);
int month = calendar.get(Calendar.MONTH);
int dayOfMonth = calendar.get(Calendar.DAY_OF_MONTH);
datePickerDialog = new DatePickerDialog(PrivacyPolicyActivity.this,
new DatePickerDialog.OnDateSetListener() {
@Override
public void onDateSet(DatePicker datePicker, int year, int month, int day) {
// SimpleDateFormat dateandmonth = new SimpleDateFormat("dd-MMM");
int cyear = datePicker.getYear();
int cmonth =datePicker .getMonth();
int cday = datePicker.getDayOfMonth();
Calendar cld = Calendar.getInstance();
cld.set(cyear, cmonth, cday);
SimpleDateFormat format = new SimpleDateFormat("dd-MMM");
String strDate = format.format(cld.getTime());
todayDate.setText(strDate);
SimpleDateFormat dayfmt = new SimpleDateFormat("EEEE");
String dayselected = dayfmt.format(cld.getTime());
todayDay.setText(dayselected);
cld.add(Calendar.DATE, 1);
SimpleDateFormat day_fmt = new SimpleDateFormat("EEEE");
String tom_day = day_fmt.format(cld.getTime());
tommorrowDay.setText(tom_day);
}
},year,month,dayOfMonth);
datePickerDialog.show();
}
});Stack Overflow用户
发布于 2019-01-08 06:39:52
在您的Datepicker回调中，放置下面的代码，以便在第二天显示。
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.DATE, datePicker.getDayOfMonth());
calendar.set(Calendar.MONTH, datePicker.getMonth());
calendar.set(Calendar.YEAR, datePicker.getYear());
calendar.add(Calendar.DATE, 1);
SimpleDateFormat tom_format = new SimpleDateFormat("dd-MMM");
String tom_date = tom_format.format(calendar);
tommmorrowDate.setText(tom_date);页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/54086146
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