冲刺（七）

日历部分的代码：

package com.example.twj.qiandao;

import java.util.Calendar;

/**
 * 专用日历
 * Created by t'w'j on 2020/4/21.
 */
public class SpecialCalendar {

    /**
     * 判断是否是闰年
     */
    public boolean isLeapYear(int year){

        if(year%100==0&&year%400==0){
            return true;
        }else if(year%100!=0&&year%4==0){
            return true;
        }
        return false;
    }
    /**
     * 1 3 5 7 8 10 12,三十一天
     * 4 6 9 11,三十天
     * 2，二十八天
     * 闰年29天
     */
    public int getDaysOfMonth(boolean isLeapYear,int month){
        int days=0;
        switch (month){
            case 1:
            case 3:
            case 5:
            case 7:
            case 8:
            case 10:
            case 12:
                days=31;
                break;
            case 4:
            case 6:
            case 9:
            case 11:
                days=30;
                break;
            case 2:
                if(isLeapYear){
                    days=29;
                }else {
                    days=28;
                }
        }
        return days;
    }
    /**
     * 得到某年某月1号是星期几
     */
    public int getWeekdayOfMonth(int mYear,int mMonth){
        Calendar cal=Calendar.getInstance();
        cal.set(mYear,mMonth,1);
        return cal.get(Calendar.DAY_OF_WEEK)-1;
    }


}

package com.example.twj.qiandao;

import android.content.Context;
import android.util.AttributeSet;
import android.widget.RelativeLayout;

/**
 * 自定义RelativeLayout正方形
 * Created by t'w'j on 2020/4/21.
 */
public class SquareRelativeLayout extends RelativeLayout {

    public SquareRelativeLayout(Context context) {
        super(context);
    }

    public SquareRelativeLayout(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public SquareRelativeLayout(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        setMeasuredDimension(getDefaultSize(0, widthMeasureSpec), getDefaultSize(0, heightMeasureSpec));
        //Children are just made to fill our space
        int childWithSize=getMeasuredWidth();
        //高度和宽度一样
        heightMeasureSpec=widthMeasureSpec=MeasureSpec.makeMeasureSpec(childWithSize,MeasureSpec.EXACTLY);

        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    }
}