DatePicker and TimePicker
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package com.example.dateandtime;
import java.util.Calendar;
import android.app.Activity;
import android.os.Bundle;
import android.widget.DatePicker;
import android.widget.TextView;
import android.widget.TimePicker;
import android.widget.TimePicker.OnTimeChangedListener;
public class MainActivity extends Activity {
private DatePicker date;
private TimePicker time;
private TextView tv;
private int day;
private int month;
private int minutes;
private int myear;
private int hour;
@Override
protected void onCreate(Bundle savedInstanceState) {
// 取得当前日期与时间
Calendar callendar = Calendar.getInstance();
myear = callendar.get(Calendar.YEAR);
month = callendar.get(Calendar.MONTH);
// month=callendar.get(Calendar.MONTH)+1;
day = callendar.get(Calendar.DAY_OF_MONTH);
hour = callendar.get(Calendar.HOUR_OF_DAY);
minutes = callendar.get(Calendar.MINUTE);
super.onCreate(savedInstanceState);
setContentView(R.layout.mm);
// 取得TextView对象,调用updateDisplay();
tv = (TextView) findViewById(R.id.text);
updateDisplay();
date = (DatePicker) findViewById(R.id.datePci);
date.init(myear, month, day, new DatePicker.OnDateChangedListener() {
@Override
public void onDateChanged(DatePicker view, int year,
int monthOfYear, int dayOfMonth) {
myear = year;
month = monthOfYear;
day = dayOfMonth;
updateDisplay();
}
});
time = (TimePicker) findViewById(R.id.timepic);
time.setIs24HourView(true);
time.setOnTimeChangedListener(new OnTimeChangedListener() {
@Override
public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
hour = hourOfDay;
minutes = minute;
updateDisplay();
}
});
}
//设置显示日期时间的方法
private void updateDisplay() {
tv.setText(new StringBuilder().append(myear).append("/")
.append(format(month + 1)).append("/").append(format(day))
.append(" ").append(format(hour)).append(":").append(minutes));
}
/**
* 日期时间显示两位数
*/
private String format(int i) {
String str=""+i;
if(str.length()==1){
str="0"+str;
}
return str;
}
import java.util.Calendar;
import android.app.Activity;
import android.os.Bundle;
import android.widget.DatePicker;
import android.widget.TextView;
import android.widget.TimePicker;
import android.widget.TimePicker.OnTimeChangedListener;
public class MainActivity extends Activity {
private DatePicker date;
private TimePicker time;
private TextView tv;
private int day;
private int month;
private int minutes;
private int myear;
private int hour;
@Override
protected void onCreate(Bundle savedInstanceState) {
// 取得当前日期与时间
Calendar callendar = Calendar.getInstance();
myear = callendar.get(Calendar.YEAR);
month = callendar.get(Calendar.MONTH);
// month=callendar.get(Calendar.MONTH)+1;
day = callendar.get(Calendar.DAY_OF_MONTH);
hour = callendar.get(Calendar.HOUR_OF_DAY);
minutes = callendar.get(Calendar.MINUTE);
super.onCreate(savedInstanceState);
setContentView(R.layout.mm);
// 取得TextView对象,调用updateDisplay();
tv = (TextView) findViewById(R.id.text);
updateDisplay();
date = (DatePicker) findViewById(R.id.datePci);
date.init(myear, month, day, new DatePicker.OnDateChangedListener() {
@Override
public void onDateChanged(DatePicker view, int year,
int monthOfYear, int dayOfMonth) {
myear = year;
month = monthOfYear;
day = dayOfMonth;
updateDisplay();
}
});
time = (TimePicker) findViewById(R.id.timepic);
time.setIs24HourView(true);
time.setOnTimeChangedListener(new OnTimeChangedListener() {
@Override
public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
hour = hourOfDay;
minutes = minute;
updateDisplay();
}
});
}
//设置显示日期时间的方法
private void updateDisplay() {
tv.setText(new StringBuilder().append(myear).append("/")
.append(format(month + 1)).append("/").append(format(day))
.append(" ").append(format(hour)).append(":").append(minutes));
}
/**
* 日期时间显示两位数
*/
private String format(int i) {
String str=""+i;
if(str.length()==1){
str="0"+str;
}
return str;
}
}
对应的xml文件:
<DatePicker
android:id="@+id/datePci"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
<TimePicker
android:id="@+id/timepic"
android:layout_width="600px"
android:layout_height="300px"
/>
<TextView
android:id="@+id/text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="16sp"
android:textColor="#000"
/>
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