DatePicker与TimePicker是用来显示时间的控件。
onDateChanged、 onTimeChanged分别是控件的触发事件。
MainActivity.java:
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.TimerTask;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.DatePicker;
import android.widget.TextView;
import android.widget.DatePicker.OnDateChangedListener;
import android.widget.TimePicker;
import android.widget.TimePicker.OnTimeChangedListener;
import android.widget.Toast;
/**
* 时间控件的使用
*
* @author Caesar
*
*/
public class MainActivity extends Activity implements OnDateChangedListener,
OnTimeChangedListener {
private TextView textView;
private DatePicker datePicker;
private TimePicker timePicker;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
datePicker = (DatePicker) findViewById(R.id.datepicker);
textView = (TextView) findViewById(R.id.textview);
timePicker = (TimePicker) findViewById(R.id.timepicker);
datePicker.init(2015, 4, 24, this);// 初始化日期
timePicker.setIs24HourView(true);// 显示时间是否按照24小时制
timePicker.setOnTimeChangedListener(this);// 注册事件
}
// 时间控件的触发
@Override
public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
// TODO Auto-generated method stub
Toast.makeText(MainActivity.this,
"hourOfDay" + hourOfDay + "minute" + minute, 1).show();
}
// 日期控件的触发
@Override
public void onDateChanged(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
// TODO Auto-generated method stub
Calendar calendar = Calendar.getInstance();
calendar.set(datePicker.getYear(), datePicker.getMonth(),
datePicker.getDayOfMonth(), timePicker.getCurrentHour(),
timePicker.getCurrentMinute());
SimpleDateFormat format = new SimpleDateFormat("yyyy年MM月dd日 HH:mm");
textView.setText(format.format(calendar.getTime()));
}
}activity_main.xml:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.datepickerdemo.MainActivity" >
<DatePicker
android:id="@+id/datepicker"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />
<TimePicker
android:id="@+id/timepicker"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />
<TextView
android:id="@+id/textview"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:textSize="18dp"
/>
</LinearLayout>
Android---29---DatePicker、TimePick
原文:http://blog.csdn.net/u013476556/article/details/45273823