android--日期时间控件（十二）

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView  android:id="@+id/txtDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="点击设置日期"
/>

<TextView  android:id="@+id/txtTime"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="2dp"
android:text="点击设置时间"
/>

</LinearLayout>

package com.example.time;

import java.sql.Date;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Locale;

import android.os.Bundle;
import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.TimePickerDialog;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TextView;
import android.widget.TimePicker;

public class MainActivity extends Activity {

private final static String TAG="TimeDate";
//获取日期格式器对象
DateFormat fmtDate = new java.text.SimpleDateFormat("yyyy-MM-dd");

DateFormat fmtTime = new java.text.SimpleDateFormat("HH:mm:ss");

//定义一个TextView控件对象
TextView txtDate = null;
TextView txtTime = null;
//获取一个日历对象
Calendar dateAndTime = Calendar.getInstance(Locale.CHINA);

//当点击DatePickerDialog控件的设置按钮时，调用该方法
DatePickerDialog.OnDateSetListener d = new DatePickerDialog.OnDateSetListener()
{
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
//修改日历控件的年，月，日
//这里的year,monthOfYear,dayOfMonth的值与DatePickerDialog控件设置的最新值一致
dateAndTime.set(Calendar.YEAR, year);
dateAndTime.set(Calendar.MONTH, monthOfYear);
dateAndTime.set(Calendar.DAY_OF_MONTH, dayOfMonth);
//将页面TextView的显示更新为最新时间
upDateDate();

}
};

TimePickerDialog.OnTimeSetListener t = new TimePickerDialog.OnTimeSetListener() {

//同DatePickerDialog控件
@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
dateAndTime.set(Calendar.HOUR_OF_DAY, hourOfDay);
dateAndTime.set(Calendar.MINUTE, minute);
upDateTime();

}
};

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

Log.d(TAG,"onCreate");
txtDate =(TextView)findViewById(R.id.txtDate);
txtDate.setClickable(true);
txtDate.setFocusable(true);
txtTime =(TextView)findViewById(R.id.txtTime);
txtTime.setClickable(true);
txtTime.setFocusable(true);

txtDate.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v){
Log.d(TAG,"txtDate click start");
DatePickerDialog  dateDlg = new DatePickerDialog(MainActivity.this,
d,
dateAndTime.get(Calendar.YEAR),
dateAndTime.get(Calendar.MONTH),
dateAndTime.get(Calendar.DAY_OF_MONTH));

dateDlg.show();

Log.d(TAG,"Date show");
}
});

txtTime.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v){
Log.d(TAG,"txtTime click start");
Log.d(TAG,"Date show");
TimePickerDialog timeDlg = new TimePickerDialog(MainActivity.this,
t,
dateAndTime.get(Calendar.HOUR_OF_DAY),
dateAndTime.get(Calendar.MINUTE),
true);
timeDlg.show();
}
});

upDateDate();
upDateTime();
}

private void upDateDate() {
txtDate.setText(fmtDate.format(dateAndTime.getTime()));
}

private void upDateTime() {
txtTime.setText(fmtTime.format(dateAndTime.getTime()));
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}