android日历和时间选择器普通选择和dialog显示选择

r囧r小猫 2022-09-29 01:47 310阅读 0赞

# 效果展示： #

![20170313121505005][]

![20170313121526115][]

![20170313121542425][]

# 一：目录结构 #

![Center][]

# 二：src源文件 #

MainActivity.java文件：

package com.peng.testdate;
    
    import java.util.Calendar;
    
    import android.media.audiofx.Visualizer.OnDataCaptureListener;
    import android.os.Bundle;
    import android.widget.DatePicker;
    import android.widget.DatePicker.OnDateChangedListener;
    import android.widget.TimePicker;
    import android.widget.TimePicker.OnTimeChangedListener;
    import android.app.Activity;
    import android.app.DatePickerDialog;
    import android.app.DatePickerDialog.OnDateSetListener;
    import android.app.TimePickerDialog;
    import android.app.TimePickerDialog.OnTimeSetListener;
    
    /*
     * 日历和时间练习
     */
    public class MainActivity extends Activity implements OnTimeChangedListener {
    	// 声明控件
    	private DatePicker datePicker;
    	private TimePicker timePicker;
    
    	// 声明数据
    	private int year;
    	private int month;
    	private int day;
    	private int hour;
    	private int minutes;
    
    	// 日历
    	private Calendar calendar;
    
    	@Override
    	protected void onCreate(Bundle savedInstanceState) {
    		super.onCreate(savedInstanceState);
    		setContentView(R.layout.activity_main);
    		initViews();// 初始化控件
    		// 通过Calendar类获取系统当前的时间
    		calendar = Calendar.getInstance();
    		year = calendar.get(Calendar.YEAR);
    		month = calendar.get(Calendar.MONTH) + 1;// 注意这里获取到的月份比现实中少一
    		day = calendar.get(Calendar.DAY_OF_MONTH);// 注意参数：获取的是当前月的具体哪一天
    		hour = calendar.get(Calendar.HOUR_OF_DAY);// 注意参数：获取当天具体的hour
    		minutes = calendar.get(Calendar.MINUTE);
    		// 为控件添加监听事件
    		setViewsAdapter();
    		// 初始化datePicker
    		initViews_DatePicker();
    		/**/
    		// 对话框形式的datePicker---(测试的时候把注释去掉，与getTimePicker_Dialog().show()不要同时去掉注释)
    		// getDatePicker_Dialog().show();
    		// 对话框行驶的timePicker---(测试的时候把注释去掉，与getDatePicker_Dialog().show()不要同时去掉注释)
    		// getTimePicker_Dialog().show();
    		/**/
    
    	}
    
    	// 初始化控件
    	private void initViews() {
    		datePicker = (DatePicker) findViewById(R.id.datePicker1);
    		timePicker = (TimePicker) findViewById(R.id.timePicker1);
    	}
    
    	// 初始化控件--DatePicker比较特殊，init中的参数添加监听事件
    	private void initViews_DatePicker() {
    		// 初始化datePicker(注意第二个参数传入的是没有进行+1操作的Month值)
    		datePicker.init(year, calendar.get(Calendar.MONTH), day,
    				new OnDateChangedListener() {
    					@Override
    					public void onDateChanged(DatePicker view, int year,
    							int monthOfYear, int dayOfMonth) {
    						MainActivity.this.setTitle(year + "年 "
    								+ (monthOfYear + 1) + "月 " + dayOfMonth + "日");
    					}
    				});
    	}
    
    	// 为控件添加监听事件
    	private void setViewsAdapter() {
    		timePicker.setOnTimeChangedListener(this);
    	}
    
    	// timePicker的监听事件
    	@Override
    	public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
    
    		MainActivity.this.setTitle("修改后的时间：" + hourOfDay + "时 " + minute + "分");
    
    	}
    
    	// 对话框形式的datePicker
    	private DatePickerDialog getDatePicker_Dialog() {
    		DatePickerDialog dpd = new DatePickerDialog(MainActivity.this,
    				new OnDateSetListener() {
    
    					@Override
    					public void onDateSet(DatePicker view, int year,
    							int monthOfYear, int dayOfMonth) {
    						MainActivity.this.setTitle(year + "年 "
    								+ (monthOfYear + 1) + "月 " + dayOfMonth + "日");
    					}
    				}, year, month - 1, day);
    		return dpd;
    	}
    
    	// 对话框形式的timePicker
    	private TimePickerDialog getTimePicker_Dialog() {
    		TimePickerDialog tpd = new TimePickerDialog(MainActivity.this,
    				new OnTimeSetListener() {
    
    					@Override
    					public void onTimeSet(TimePicker view, int hourOfDay,
    							int minute) {
    						MainActivity.this.setTitle("修改后的时间：" + hourOfDay + "时 "
    								+ minute + "分");
    					}
    				}, hour, minutes, true);
    		return tpd;
    	}
    }

layout\_main.xml文件：

# 三：注意事项 #

Calendar获取系统当前日期：

![20170313122735866][]

测试dialog显示时：

![20170313122919540][]

DatePicker初始化函数及其参数形式内置监听：

![20170313123135762][]

TimePickerDialog函数参数：

![20170313123235761][]

[20170313121505005]: /images/20220708/9a42329fc26b4cb48a94c44fedcb4064.png
[20170313121526115]: /images/20220708/7466f71dba6148d48a239ec3e64e7943.png
[20170313121542425]: /images/20220708/7584cbc2f95844f391fffb06234b6121.png
[Center]: /images/20220708/dc32b1ca984449b9bae519c115f21f16.png
[20170313122735866]: /images/20220708/2e56840987fa4d48a42503b128690e9a.png
[20170313122919540]: /images/20220708/18f2f3c8183347f1a15a1700635d21bb.png
[20170313123135762]: /images/20220708/62b522af0c824fd2888d8084731a0d5f.png
[20170313123235761]: /images/20220708/5828ca50a38d4673a4d21121ddd54c68.png