Android之DatePickerDialog用法（日历的用法）

该方法实现的调用系统Api，和android的版本，手机的牌子有关，实现不同的界面。不一定是入下图所示：

<?xml version="1.0" encoding="utf-8"?>

"http://schemas.android.com/apk/res/android"

     android:layout_width="fill_parent"
     android:layout_height="wrap_content"
     android:orientation="vertical" >
     
         android:id="@+id/text01"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="查询日期:"
         android:textSize="18sp"
         />
     
         android:id="@+id/tvDate"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_below="@id/text01"
         android:layout_alignLeft="@id/text01"
         />
     
         android:id="@+id/btnDatePicker"
         android:text="编辑"
         android:layout_toRightOf="@id/tvDate"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:onClick="show"
         android:layout_alignTop="@id/tvDate"
         />

package com.turboradio;

import java.text.SimpleDateFormat;

import java.util.Calendar;

import android.app.Activity;

import android.app.DatePickerDialog;

import android.os.Bundle;

import android.view.View;

import android.widget.DatePicker;

import android.widget.TextView;

public class DatePickerActivity extends Activity {

private TextView tvDate;

private Calendar cal = Calendar.getInstance();

private DatePickerDialog.OnDateSetListener listener = new DatePickerDialog.OnDateSetListener() {

@Override

public void onDateSet(DatePicker view, int year, int monthOfYear,int dayOfMonth) {

cal.set(Calendar.YEAR, year);

cal.set(Calendar.MONTH, monthOfYear);

cal.set(Calendar.DAY_OF_MONTH, dayOfMonth);

updateDate();

}

};

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.date_picker_dialog);

tvDate = (TextView)findViewById(R.id.tvDate);

}

public void show(View v){

new DatePickerDialog(DatePickerActivity.this,listener,

cal.get(Calendar.YEAR),

cal.get(Calendar.MONTH),

cal.get(Calendar.DAY_OF_MONTH)

).show();

}

private void updateDate(){

SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");

tvDate.setText(simpleDateFormat.format(cal.getTime()));

}

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