DatePicker和TimePicker

TimePicker

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常用方法：
timePicker.setIs24HourView(true);
设置时间选择器为24小时制

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timePicker.setCurrentHour(Hour);
timePicker.setCurrentMinute(Minute);
设置时间选择器的当前时间

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监听器：

JavatimePicker.setOnTimeChangedListener(new OnTimeChangedListener() {            @Override            public void onTimeChanged(TimePicker arg0, int hour, int minute) {                //当时间选择器发生改变时，触发                System.out.println("From TimePicker:"+hour+":"+minute);            }        });

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DatePicker

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常用方法

JavadatePicker.init(Year, Month,Day, new OnDateChangedListener() {            @Override            public void onDateChanged(DatePicker arg0, int year, int month, int day) {                // 当日期选择器发生改变时触发                System.out.println("From DatePicker:"+year+":"+(month+1)+":"+day);            }        });

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显示系统当前时间的方法

Javaprivate int Year,Month,Day,Hour,Minute;private void getCurrentTime() {        //获取系统当前时间        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);        tv_content.setText("当前日期+时间："+Year+"/"+Month+"/"+Day+"  "+Hour+":"+Minute);    }