Android中TimePickerDialog,DatePickerDialog使用例子

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mainactivity.java
调用TimePickerDialog和DatePickerDialog传入5个参数
TimePickerDialog（显示页面,事件选中事件，默认小时，默认分钟，是否24小时制显示）
DatePickerDialog（显示页面,日期选中事件，默认年份，默认月份，默认日期）

package com.example.timedialogtest;import java.util.Calendar;import android.app.Activity;import android.app.DatePickerDialog;import android.app.TimePickerDialog;import android.os.Bundle;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.DatePicker;import android.widget.EditText;import android.widget.TimePicker;public class MainActivity extends Activity {    private Button btn_date;    private Button btn_time;    private EditText edt_test;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        btn_date = (Button) findViewById(R.id.btn_Date);        btn_time = (Button) findViewById(R.id.btn_Time);        edt_test = (EditText) findViewById(R.id.edt_time);        btn_time.setOnClickListener(new OnClickListener() {            @Override            public void onClick(View v) {                // TODO Auto-generated method stub                Calendar cl = Calendar.getInstance();                new TimePickerDialog(MainActivity.this, new TimePickerDialog.OnTimeSetListener() {                    @Override                    public void onTimeSet(TimePicker view, int hourOfDay, int minute) {                        // TODO Auto-generated method stub                        edt_test.setText(hourOfDay + ":" + minute);                    }                }, cl.get(Calendar.HOUR_OF_DAY), cl.get(Calendar.MINUTE), true).show();            }        });        btn_date.setOnClickListener(new OnClickListener() {            @Override            public void onClick(View v) {                // TODO Auto-generated method stub                Calendar cl = Calendar.getInstance();                new DatePickerDialog(MainActivity.this, new DatePickerDialog.OnDateSetListener() {                    @Override                    public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {                        // TODO Auto-generated method stub                        edt_test.setText(year + "年" + monthOfYear + "月" + dayOfMonth + "日");                    }                }, cl.get(Calendar.YEAR), cl.get(Calendar.MONTH), cl.get(Calendar.DAY_OF_MONTH)).show();            }        });    }    @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;    }    @Override    public 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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