Android开发之DatePicker和TimePicker实现选择日期时间功能示例

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datePicker.init()

timePicker.setOnTimeChangedListener()

public class MainActivity extends Activity {
  //定义五个当前时间的变量
  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.activity_main);
    DatePicker datePicker = (DatePicker) findViewById(R.id.datePicker);
    TimePicker timePicker = (TimePicker) findViewById(R.id.timePicker);
    //获取当前日期/时间
    Calendar calendar = Calendar.getInstance();
    year = calendar.get(Calendar.YEAR);
    mOnth= calendar.get(Calendar.MONTH);
    day = calendar.get(Calendar.DAY_OF_MONTH);
    hour = calendar.get(Calendar.HOUR);
    minute = calendar.get(Calendar.MINUTE);
    //为DatePicker添加监听事件
    datePicker.init(year, month, day, new DatePicker.OnDateChangedListener() {
      @Override
      public void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
        MainActivity.this.year = year;
        MainActivity.this.mOnth=month ;
        MainActivity.this.day = day;
        //显示用户选择的 日期 和 时间
        showDate(year,month,day,hour,minute);
      }
    });
    //TimePicker选择监听器
    timePicker.setOnTimeChangedListener(new TimePicker.OnTimeChangedListener() {
      @Override
      public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
        MainActivity.this.hour = hourOfDay;
        MainActivity.this.minute = minute;
      }
    });
  }
  private void showDate(int year ,int month , int day , int hour , int minute ){
    TextView textView = (TextView) findViewById(R.id.show);
    textView.setText("您选择的生日为：" + year+"年 " + month+"月 " + day+"日 " + hour +"时 " + minute +"分");
  }
}