使用DatePicker和TimePicker显示当前日期和时间

Myth丶恋晨 2022-07-15 00:06 220阅读 0赞

package com.example.datetinepicker;
    
    import java.util.Calendar;
    
    import android.R.integer;
    import android.app.Activity;
    import android.app.DatePickerDialog;
    import android.app.DatePickerDialog.OnDateSetListener;
    import android.app.TimePickerDialog;
    import android.app.TimePickerDialog.OnTimeSetListener;
    import android.os.Bundle;
    import android.view.Menu;
    import android.view.MenuItem;
    import android.widget.DatePicker;
    import android.widget.DatePicker.OnDateChangedListener;
    import android.widget.TimePicker;
    import android.widget.TimePicker.OnTimeChangedListener;
    
    public class MainActivity extends Activity {
    	private DatePicker datePicker;
    	private TimePicker timePicker;
    	private Calendar calendar;
    	private int year;
    	private int month;
    	private int date;
    	private int hour;
    	private int minute;
    	@Override
    	protected void onCreate(Bundle savedInstanceState) {
    		super.onCreate(savedInstanceState);
    		setContentView(R.layout.activity_main);
    		//获取日历的一个对象
    		calendar=Calendar.getInstance();
    		//获取年月日时分秒的信息
    		year=calendar.get(Calendar.YEAR);
    		month=calendar.get(Calendar.MONTH)+1;
    		date=calendar.get(Calendar.DAY_OF_MONTH);
    		hour=calendar.get(Calendar.HOUR_OF_DAY);
    		minute=calendar.get(Calendar.MINUTE);
    		setTitle(year+"/"+month+"/"+date+"-"+hour+":"+minute);
    		datePicker=(DatePicker) findViewById(R.id.datePicker1);
    		timePicker=(TimePicker) findViewById(R.id.timePicker1);
    		datePicker.init(year, calendar.get(Calendar.MONTH), date,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() {
    			
    			@Override
    			public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
    				// TODO Auto-generated method stub
    				setTitle(hourOfDay+":"+minute);
    			}
    		});
    //		new DatePickerDialog(this,new OnDateSetListener() {
    //			
    //			@Override
    //			public void onDateSet(DatePicker view, int year, int monthOfYear,
    //					int dayOfMonth) {
    //				// TODO Auto-generated method stub
    //				setTitle(year+"/"+(monthOfYear+1)+"/"+dayOfMonth);
    //			}
    //		}, year, calendar.get(Calendar.MONTH), date).show();
    		new TimePickerDialog(this,new OnTimeSetListener() {
    			
    			@Override
    			public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
    				// TODO Auto-generated method stub
    				setTitle(hourOfDay+":"+minute);
    			}
    		}, hour, minute, true).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);
    	}
    }