Question

我的布局中有两个Textview和两个按钮，我想点击按钮弹出数据选择器并选择最终设置为特定textview的日期。

E.g

Button1选择日期设置为Textview1 Button2 chhose日期设置为textview2

但问题是第一次正常工作但如果我尝试第二次尝试更改button1但值设置为Textview2。

第一次只是工作好.Plz指导我，我一步步为基本问题而言更加精简。

// display current date
    public void setCurrentDateOnView() {

        tvDisplayDate = (TextView) findViewById(R.id.tvDate);
        tvDisplayDate2 = (TextView) findViewById(R.id.tvDate2);

        final Calendar c = Calendar.getInstance();
        year = c.get(Calendar.YEAR);
        month = c.get(Calendar.MONTH);
        day = c.get(Calendar.DAY_OF_MONTH);

        // set current date into textview
        tvDisplayDate.setText(new StringBuilder()
                // Month is 0 based, just add 1
                .append(month + 1).append("-").append(day).append("-")
                .append(year).append(" "));

        tvDisplayDate2.setText(tvDisplayDate.getText().toString());
    }

    public void addListenerOnButton() {

        btnChangeDate = (Button) findViewById(R.id.btnChangeDate);

        btnChangeDate.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {

                showDialog(DATE_DIALOG_ID);

            }

        });
        btnChangeDate2 = (Button) findViewById(R.id.btnChangeDate2);

        btnChangeDate2.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {

                showDialog(DATE_DIALOG_ID2);


            }

        });

    }

    protected Dialog onCreateDialog(int id) {
        switch (id) {

            case DATE_DIALOG_ID:
                System.out.println("onCreateDialog  : " + id);
                cur = DATE_DIALOG_ID;
                // set date picker as current date
                return new DatePickerDialog(this, datePickerListener, year, month,
                        day);
            case DATE_DIALOG_ID2:
                cur = DATE_DIALOG_ID2;
                System.out.println("onCreateDialog2  : " + id);
                // set date picker as current date
                return new DatePickerDialog(this, datePickerListener, year, month,
                        day);

        }
        return null;
    }


    private DatePickerDialog.OnDateSetListener datePickerListener = new DatePickerDialog.OnDateSetListener() {

        // when dialog box is closed, below method will be called.
        public void onDateSet(DatePicker view, int selectedYear,
                              int selectedMonth, int selectedDay) {

            year = selectedYear;
            month = selectedMonth;
            day = selectedDay;

            if (cur == DATE_DIALOG_ID) {
                // set selected date into textview
                tvDisplayDate.setText(new StringBuilder().append(month + 1)
                        .append("-").append(day).append("-").append(year)
                        .append(" "));
                System.out.println("A");
                System.out.println(cur);
            }

            if (cur == DATE_DIALOG_ID2){
                tvDisplayDate2.setText(new StringBuilder().append(month + 1)
                        .append("-").append(day).append("-").append(year)
                        .append(" "));
                System.out.println("B");
                System.out.println(cur);
            }

        }
    };

的ShowDialog（）;已弃用的消息

onCreateDialog已弃用的消息

showDialog（）参数在点击时不会改变

Answer 1

      private DatePickerDialog.OnDateSetListener datePickerListener1 = new DatePickerDialog.OnDateSetListener() {

    // when dialog box is closed, below method will be called.
    public void onDateSet(DatePicker view, int selectedYear,
                          int selectedMonth, int selectedDay) {
        year = selectedYear;
        month = selectedMonth;
        day = selectedDay;
            // set selected date into textview
            tvDisplayDate.setText(new StringBuilder().append(month + 1)
                    .append("-").append(day).append("-").append(year)
                    .append(" "));

       }
};

  private DatePickerDialog.OnDateSetListener datePickerListener2 = new DatePickerDialog.OnDateSetListener() {

    // when dialog box is closed, below method will be called.
    public void onDateSet(DatePicker view, int selectedYear,
                          int selectedMonth, int selectedDay) {

        year = selectedYear;
        month = selectedMonth;
        day = selectedDay;

            tvDisplayDate2.setText(new StringBuilder().append(month + 1)
                    .append("-").append(day).append("-").append(year)
                    .append(" "));
        }

    }
};


 protected Dialog onCreateDialog(int id) {
    switch (id) {

        case DATE_DIALOG_ID:
            System.out.println("onCreateDialog  : " + id);
            cur = DATE_DIALOG_ID;
            // set date picker as current date
            return new DatePickerDialog(this, datePickerListener1, year, month,
                    day);
        case DATE_DIALOG_ID2:
            cur = DATE_DIALOG_ID2;
            System.out.println("onCreateDialog2  : " + id);
            // set date picker as current date
            return new DatePickerDialog(this, datePickerListener2, year, month,
                    day);

    }
    return null;
}

Answer 2

使用以下代码使用日期选择器设置日期

 btnChangeDate.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Calendar calender = Calendar.getInstance();


            int mYear = calender.get(Calendar.YEAR);
            int mMonth = calender.get(Calendar.MONTH);
            int mDay = calender.get(Calendar.DAY_OF_MONTH);

            DatePickerDialog mDatePicker = new DatePickerDialog(SubscriptionActivity.this, new DatePickerDialog.OnDateSetListener() {
                public void onDateSet(DatePicker datepicker, int selectedyear, int selectedmonth, int selectedday) {
                    // TODO Auto-generated method stub
                /*      Your code   to get date and time    */
                    tvDisplayDate.setText((selectedmonth + 1) + "-"
                            + selectedday + "-" + selectedyear);

                }
            }, mYear, mMonth, mDay);



            mDatePicker.show();
        }
    });

Answer 3

只需将开关放入开关盒

break;

最终代码是

protected Dialog onCreateDialog(int id) {
        switch (id) {

            case DATE_DIALOG_ID:
                System.out.println("onCreateDialog  : " + id);
                cur = DATE_DIALOG_ID;
                // set date picker as current date
                return new DatePickerDialog(this, datePickerListener, year, month,
                        day);
                   break;
            case DATE_DIALOG_ID2:
                cur = DATE_DIALOG_ID2;
                System.out.println("onCreateDialog2  : " + id);
                // set date picker as current date
                return new DatePickerDialog(this, datePickerListener, year, month,
                        day);
         break;
        }
        return null;
    }

Answer 4

    btnChangeDate.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {

        // Get Current Date
        final Calendar c = Calendar.getInstance();
        mYear = c.get(Calendar.YEAR);
        mMonth = c.get(Calendar.MONTH);
        mDay = c.get(Calendar.DAY_OF_MONTH);


        DatePickerDialog datePickerDialog = new DatePickerDialog(getActivity(),
                new DatePickerDialog.OnDateSetListener() {

                    @Override
                    public void onDateSet(DatePicker view, int year,
                                          int monthOfYear, int dayOfMonth) {
                        tv_data.setText(dayOfMonth + "/" + (monthOfYear + 1) + "/" + year);
                    }
                }, mYear, mMonth, mDay);
        datePickerDialog.show();

        }

    });

日期使用数据选择器时不更改

4 个答案: