public class MainActivity extends Activity {
private TimePicker timePicker;
private DatePicker datePicker;
private Calendar cal;
private int year;
private int month;
private int day;
private int hour;
private int minute;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//获取日历的一个对象
cal=Calendar.getInstance();
//获取年与日时分秒的信息
year=cal.get(Calendar.YEAR);
month=cal.get(Calendar.MONTH)+1;
day=cal.get(Calendar.DAY_OF_MONTH);
hour=cal.get(Calendar.HOUR_OF_DAY);
minute=cal.get(Calendar.MINUTE);
setTitle(year+"-"+month+"-"+day+"-"+hour+":"+minute);
datePicker=(DatePicker) findViewById(R.id.datePicker);
timePicker=(TimePicker) findViewById(R.id.timePicker);
//datePicker初始化
datePicker.init(year,month,day,new OnDateChangedListener(){
@Override
public void onDateChanged(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
// TODO Auto-generated method stub
setTitle(year+"-"+(monthOfYear+1)+"-"+dayOfMonth);
}
});
timePicker.setOnTimeChangedListener(new OnTimeChangedListener() {
public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
// TODO Auto-generated method stub
setTitle(hourOfDay+":"+minute);
}
});
new DatePickerDialog(this, new OnDateChangedListener(){
@Override
public void onDateChanged(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
// TODO Auto-generated method stub
setTitle(year+"-"+(monthOfYear+1)+"-"+dayOfMonth);
}
}, year, cal.get(Calendar.MONTH), day).show();
}
}
在这串代码中显示: new DatePickerDialog(this, new OnDateChangedListener(){
@Override
public void onDateChanged(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
// TODO Auto-generated method stub
setTitle(year+"-"+(monthOfYear+1)+"-"+dayOfMonth);
}
}, year, cal.get(Calendar.MONTH), day).show();
}
这一段the constructor DatePickerDialog(MainActivity, new DatePicker.OnDateChangedListener(){}, int, int, int) is undefined