Android 日期选择器月份作为数字

Question

在 Android DatePicker 中，在某些操作系统中它显示月份为“Jan, Feb, Mar...Dec”，在其他操作系统中它显示为 1,2,3..12

有没有办法让它始终保持一致，以便它应该始终显示 1,2,3.. 12 作为月份？

显示 1,2,3..12 而不是字符串的原因是对各种语言的本地化支持。

也建议这样做吗？ 谢谢。

Answer 1

  <?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:layout_width="fill_parent"
 android:layout_height="fill_parent"
 android:orientation="vertical" > 
<Button
    android:id="@+id/btnChangeDate"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Change Date" /> 
<TextView
    android:id="@+id/lblDate"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Current Date (April-10-2012): "
    android:textAppearance="?android:attr/textAppearanceLarge" /> 
    <TextView
    android:id="@+id/tvDate"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text=""
    android:textAppearance="?android:attr/textAppearanceLarge" /> 
    <DatePicker
     android:id="@+id/dpResult"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content" />    

     </LinearLayout>

日期选择器类

import java.util.Calendar;
 import java.util.Locale;
 import com.datepicker.R.string;
 import android.app.Activity;
 import android.app.DatePickerDialog;
 import android.app.Dialog;
 import android.os.Bundle;
  import android.text.format.DateFormat;
  import android.view.View;
   import android.view.View.OnClickListener;
   import android.widget.Button;
  import android.widget.DatePicker;
    import android.widget.TextView;


public class DatepickerActivity extends Activity {
    private TextView tvDisplayDate;
    private DatePicker dpResult;
    private Button btnChangeDate; 
    private int year;
    private int month;
    private int day;
    private String str;
    public static long UTC (int year, int month, int day, int hour, int minute, int second) {
        return 1;
    }

    static final int DATE_DIALOG_ID = 999;

    //private static final  int August =4;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    setCurrentDateOnView();
        addListenerOnButton();
    }

    // display current date
    public void setCurrentDateOnView() {

        tvDisplayDate = (TextView) findViewById(R.id.tvDate);
        dpResult = (DatePicker) findViewById(R.id.dpResult);

        final Calendar c = Calendar.getInstance();
        year = c.get(Calendar.YEAR);
        month = c.get(Calendar. MONTH);
        day = c.get(Calendar.DAY_OF_MONTH);
    //  str=c.getDisplayName(c.MONTH, 2, Locale.US);

               // 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(" "));

        // set current date into datepicker
        dpResult.init(year, month, day, null);
    } 
    public void addListenerOnButton() {

        btnChangeDate = (Button) findViewById(R.id.btnChangeDate); 
        btnChangeDate.setOnClickListener(new OnClickListener() { 


            public void onClick(View v) { 
                showDialog(DATE_DIALOG_ID);
            }
        });
    }

    @Override
    protected Dialog onCreateDialog(int id) {
        switch (id) {
            case DATE_DIALOG_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;

            // set selected date into textview
            tvDisplayDate.setText(new StringBuilder().append(str + 1)
                    .append("-").append(day).append("-").append(year)
                    .append(" "));

            // set selected date into datepicker also
            dpResult.init(year, month, day, null);
        }
    };