[移动开发]Android studio 81 CalendarView 日历控件的使用

activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <TextView
        android:text="please choose your birthday :"
        android:gravity="center"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="15dp"
        android:typeface="monospace"/>
    <!--1.设置以星期二为每周第一天-->
    <!--2.设置该组件总共显示四个星期-->
    <!--3.并对该组件的星期尽心了定制-->
    <CalendarView
        android:id="@+id/calenderView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:firstDayOfWeek="2"
        android:shownWeekCount="4"
        android:selectedWeekBackgroundColor="#aff"
        android:focusedMonthDateColor="#f00"
        android:weekSeparatorLineColor="#ff0"
        android:unfocusedMonthDateColor="#f9f">
    </CalendarView>

</LinearLayout>

MainActivity.java

package com.example.myapplication;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.widget.CalendarView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    CalendarView calendarView;

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

        calendarView = (CalendarView) findViewById(R.id.calenderView);
        //calendarView 监听事件
        calendarView.setOnDateChangeListener(new CalendarView.OnDateChangeListener() {
            @Override
            public void onSelectedDayChange( CalendarView view, int year, int month, int dayOfMonth) {
                //显示用户选择的日期
                Toast.makeText(MainActivity.this,year + "年" + month + "月" + dayOfMonth + "日",Toast.LENGTH_SHORT).show();
            }
        });
    }
}