android模拟器下调整日期和时间

package zero.coinStudy; import java.text.DateFormat; import java.util.Calendar; import android.app.Activity; import android.app.DatePickerDialog; import android.app.TimePickerDialog; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.DatePicker; import android.widget.TextView; import android.widget.TimePicker; public class TimePickOrDataPick extends Activity { /** Called when the activity is first created. */ DateFormat fmtDateAndTime=DateFormat.getDateTimeInstance(); TextView dateAndTimeLabel; Calendar dateAndTime=Calendar.getInstance(); DatePickerDialog.OnDateSetListener d=new DatePickerDialog.OnDateSetListener() { @Override public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) { // TODO Auto-generated method stub //设置日历的年月日 dateAndTime.set(Calendar.YEAR, year); dateAndTime.set(Calendar.MONTH, monthOfYear); dateAndTime.set(Calendar.DAY_OF_MONTH, dayOfMonth); updateLabel(); } }; TimePickerDialog.OnTimeSetListener t=new TimePickerDialog.OnTimeSetListener() { @Override public void onTimeSet(TimePicker view, int hourOfDay, int minute) { // TODO Auto-generated method stub dateAndTime.set(Calendar.HOUR_OF_DAY, hourOfDay); dateAndTime.set(Calendar.MINUTE, minute); updateLabel(); } }; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Button btn=(Button)findViewById(R.id.dateBtn); btn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub new DatePickerDialog(TimePickOrDataPick.this, d, dateAndTime.get(Calendar.YEAR), dateAndTime.get(Calendar.MONTH), dateAndTime.get(Calendar.DAY_OF_MONTH)).show(); } }); btn=(Button)findViewById(R.id.timeBtn); btn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub new TimePickerDialog(TimePickOrDataPick.this, t, dateAndTime.get(Calendar.HOUR_OF_DAY), dateAndTime.get(Calendar.MINUTE), true).show(); } }); dateAndTimeLabel=(TextView)findViewById(R.id.dateAndTime); // updateLabel(); } private void updateLabel() { dateAndTimeLabel.setText(fmtDateAndTime .format(dateAndTime.getTime())); } }