Android(安卓)DatePickerDialog和TimePickerDialog

package com.example.androidtest;import android.os.Bundle;import android.app.Activity;import android.app.DatePickerDialog;import android.app.TimePickerDialog;import android.view.Menu;import android.view.View;import android.widget.*;import java.util.Calendar;public class MainActivity extends Activity {private Button dateButton=null;private Button timeButton=null;private TextView dateTextView=null;private TextView timeTextView=null;private int mYear;private int mMonth;private int mDay;private int mHour;private int mMinute;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);dateButton=(Button)findViewById(R.id.dateButton);timeButton=(Button)findViewById(R.id.timeButton);dateTextView=(TextView)findViewById(R.id.dateTextView);timeTextView=(TextView)findViewById(R.id.timeTextView);/*获取当前日期*/Calendar calendar=Calendar.getInstance();mYear=calendar.get(Calendar.YEAR);mMonth=calendar.get(Calendar.MONTH);mDay=calendar.get(Calendar.DAY_OF_MONTH);mHour=calendar.get(Calendar.HOUR_OF_DAY);mMinute=calendar.get(Calendar.MINUTE);/*选择日期*/dateButton.setOnClickListener(new Button.OnClickListener() {@Overridepublic void onClick(View arg0) {new DatePickerDialog(MainActivity.this, new DatePickerDialog.OnDateSetListener() {@Overridepublic void onDateSet(DatePicker view, int year, int monthOfYear,int dayOfMonth) {dateTextView.setText(year+"年"+(monthOfYear+1)+"月"+dayOfMonth+"日");}}, mYear, mMonth, mDay).show();}});/*选择时间*/timeButton.setOnClickListener(new Button.OnClickListener() {@Overridepublic void onClick(View v) {new TimePickerDialog(MainActivity.this, new TimePickerDialog.OnTimeSetListener() {@Overridepublic void onTimeSet(TimePicker view, int hourOfDay, int minute) {timeTextView.setText(hourOfDay+"时"+minute+"分");}}, mHour, mMinute, true).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;}}
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