Android学习笔记之——DatePicker&TimePicker

package com.example.zyallz.datetimepickerdemo;

import android.app.DatePickerDialog;
import android.app.TimePickerDialog;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.DatePicker;
import android.widget.TimePicker;

import java.util.Calendar;

public class MainActivity extends AppCompatActivity {

private DatePicker datePicker;
private TimePicker timePicker;
private Calendar calendar;
private int year;
private int month;
private int day;
private int hour;
private int min;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

//        datePicker = (DatePicker) findViewById(R.id.datePicker);
//        timePicker = (TimePicker) findViewById(R.id.timePicker);
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);
min = calendar.get(Calendar.MINUTE);

setTitle(year + "-" + month + "-" + day + " " + hour + ":" + min);

//        datePicker.init(year, month, day, new DatePicker.OnDateChangedListener() {
//            @Override
//            public void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
//                setTitle(year + "-" + monthOfYear + "-" + dayOfMonth);
//            }
//        });

//        timePicker.setOnTimeChangedListener(new TimePicker.OnTimeChangedListener() {
//            @Override
//            public void onTimeChanged(TimePicker view, int hourOfDay, int minute) {
//                setTitle(hourOfDay + ":" + minute);
//            }
//        });

//        new DatePickerDialog(this, new DatePickerDialog.OnDateSetListener() {
//            @Override
//            public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
//                setTitle(year + "-" + monthOfYear + "-" + dayOfMonth);
//            }
//        },year,month,day).show();

new TimePickerDialog(this, new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
setTitle(hourOfDay + ":" + minute);
}
}, hour, min, 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.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();

//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}

return super.onOptionsItemSelected(item);
}
}