Android之DatePicker使用

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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    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.android_picker.MainActivity" >    <DatePicker        android:id="@+id/datePicker1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignParentLeft="true"        android:layout_alignParentTop="true"        android:layout_marginLeft="124dp"        android:layout_marginTop="15dp" /></RelativeLayout>

package com.example.android_picker;import java.util.Calendar;import android.support.v7.app.ActionBarActivity;import android.os.Bundle;import android.view.Menu;import android.view.MenuItem;import android.widget.DatePicker;import android.widget.Toast;public class MainActivity extends ActionBarActivity {private DatePicker datePicker;//日期控件private int year;private int month;private int day;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);datePicker=(DatePicker) this.findViewById(R.id.datePicker1);/** * 初始化年月日 *///获得系统日期Calendar calendar=Calendar.getInstance();year=calendar.get(Calendar.YEAR);month=calendar.get(Calendar.MONTH);day=calendar.get(Calendar.DAY_OF_MONTH);datePicker.init(year, month, day, new DatePicker.OnDateChangedListener() {@Overridepublic void onDateChanged(DatePicker view, int year, int month, int day) {// TODO Auto-generated method stubString value=year+"年-"+(month+1)+"月-"+day+"日";Toast.makeText(MainActivity.this, value, 1).show();}});}@Overridepublic 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;}@Overridepublic boolean onOptionsItemSelected(MenuItem item) {// Handle action bar item clicks here. The action bar will// automatically handle clicks on the Home/Up button, so long// as you specify a parent activity in AndroidManifest.xml.int id = item.getItemId();if (id == R.id.action_settings) {return true;}return super.onOptionsItemSelected(item);}}

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