package com.example.zbytestone;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Toast;
/**
* Created by Administrator on 2015/10/1 0001.
*/
public class MyCalendarCard extends View {
private Context context;
//以下是真实世界的年月日
private int NowDay;
private int NowMonth;
private int NowYear;
//view的宽度
private int mViewWidth;
//view的高度
private int mViewHeight;
//日历背景颜色
private int mBackground = 0xffffffff;
//普通字体大小
private int mNormalTextSize;
//普通字体颜色
private int mNormalTextColor1 = 0xff5da18f;
private int mNormalTextColor2 = 0xffcc767e;
private int mNormalButtonColor1 = 0xff5da18f;
private int mClickButtonColor2 = 0xffcc767e;
//日历数字的画笔
private Paint mNumPaint;
//第一天星期几
private int weekOfFirstDay = 1;
//今天
private int today = 0;
float xInterval;
float yInterval;
float radius;
//所有天数
private int[] allDays;
private String TAG = "MyCalendarCard";
private String[] weekName = new String[]{"日", "一", "二", "三", "四", "五", "六"};
private OnChooseListener chooseListener;
private OnTurnPageListener turnPageListener;
private boolean firstClick = false;
private boolean secondClick = false;
private int firstCheckDay = -2;
private int secondCheckDay = -2;
private int year = 2000;
private int month = 3;
private boolean canClick = false;
private boolean clickLeft = false;
private boolean clickRight = false;
//---------------------------------------------------------------------------------
public MyCalendarCard(Context context, int numOfDay, int weekOfFirstDay, int today) {
super(context);
this.weekOfFirstDay = weekOfFirstDay;
this.today = today;
allDays = getAllDays(numOfDay);
init(context);
}
public MyCalendarCard(Context context, AttributeSet attrs) {
super(context, attrs);
TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.MyCalendarCard);
today = typedArray.getInt(R.styleable.MyCalendarCard_today, 1);
weekOfFirstDay = typedArray.getInt(R.styleable.MyCalendarCard_weekOfFirstDay, 1);
int num = typedArray.getInt(R.styleable.MyCalendarCard_numOfDays, 31);
allDays = getAllDays(num);
init(context);
}
public MyCalendarCard(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.MyCalendarCard);
today = typedArray.getInt(R.styleable.MyCalendarCard_today, 1);
weekOfFirstDay = typedArray.getInt(R.styleable.MyCalendarCard_weekOfFirstDay, 1);
int num = typedArray.getInt(R.styleable.MyCalendarCard_numOfDays, 31);
allDays = getAllDays(num);
init(context);
}
/**
* 得到天数数组
*
* @param numOfDay
* @return
*/
private int[] getAllDays(int numOfDay) {
int[] allDays = new int[numOfDay];
for (int i = 0; i < numOfDay; i++) {
allDays[i] = i + 1;
}
return allDays;
}
/**
* 设置是否相应点击事件
*
* @param canClick
*/
public void setCanClick(boolean canClick) {
this.canClick = canClick;
}
/**
* 、
* 设置日历一个月的天数
*
* @param num
*/
public void setAllDays(int num) {
this.allDays = getAllDays(num);
}
/**
* 设置日历的背景颜色
*
* @param mBackground
*/
public void setmBackground(int mBackground) {
this.mBackground = mBackground;
}
/**
* 设置月份
*
* @param month
*/
public void setMonth(int month) {
this.month = month;
}
/**
* 设置年份
*
* @param year
*/
public void setYear(int year) {
this.year = year;
}
/**
* 设置工作日的字体颜色
*
* @param mNormalTextColor1
*/
public void setmNormalTextColor1(int mNormalTextColor1) {
this.mNormalTextColor1 = mNormalTextColor1;
}
/**
* 设置箭头按钮点击颜色
*
* @param clickButtonColor
*/
public void setClickButtonColor(int clickButtonColor) {
this.mClickButtonColor2 = clickButtonColor;
}
/**
* 设置箭头按钮普通颜色
*
* @param normalButtonColor
*/
public void setNormalButtonColor1(int normalButtonColor) {
this.mNormalButtonColor1 = normalButtonColor;
}
/**
* 设置周末的字体颜色
*
* @param mNormalTextColor2
*/
public void setmNormalTextColor2(int mNormalTextColor2) {
this.mNormalTextColor2 = mNormalTextColor2;
}
/**
* 设置字体大小,一般会根据控件大小自动设置
*
* @param mNormalTextSize
*/
public void setmNormalTextSize(int mNormalTextSize) {
this.mNormalTextSize = mNormalTextSize;
}
/**
* 设置今天日期，这个月的任意一天
*
* @param today
*/
public void setToday(int today) {
this.today = today;
}
/**
* 设置这个月第一天是星期几
*
* @param weekOfFirstDay
*/
public void setWeekOfFirstDay(int weekOfFirstDay) {
this.weekOfFirstDay = weekOfFirstDay;
}
private void init(Context context) {
this.context = context;
this.year = CalendarUtils.getCurrentYear();
this.month = CalendarUtils.getCurrentMonth();
this.NowDay = CalendarUtils.getCurrentDate();
this.NowMonth = CalendarUtils.getCurrentMonth();
this.NowYear = CalendarUtils.getCurrentYear();
this.weekOfFirstDay = CalendarUtils.getCurrentFirstWeekdayOfMoth();
mNumPaint = new Paint();
}
public void setOnChooseListener(OnChooseListener listener) {
this.chooseListener = listener;
}
public void setOnTurnPageListener(OnTurnPageListener turnPageListener) {
this.turnPageListener = turnPageListener;
}
@Override
protected void onDraw(Canvas canvas) {
canvas.drawColor(mBackground);
//绘制左箭头
mNumPaint.setColor(clickLeft ? mNormalButtonColor1 : mClickButtonColor2);
mNumPaint.setStrokeWidth(6);
mNumPaint.setAntiAlias(true);
canvas.drawLine(mViewWidth / 8, mViewHeight / 16, mViewWidth * 3 / 16, mViewHeight / 32, mNumPaint);
canvas.drawLine(mViewWidth / 8, mViewHeight / 16, mViewWidth * 3 / 16, mViewHeight * 3 / 32, mNumPaint);
mNumPaint.reset();
//绘制右箭头
mNumPaint.setColor(clickRight ? mNormalButtonColor1 : mClickButtonColor2);
mNumPaint.setStrokeWidth(6);
mNumPaint.setAntiAlias(true);
canvas.drawLine(mViewWidth * 7 / 8, mViewHeight / 16, mViewWidth * 13 / 16, mViewHeight / 32, mNumPaint);
canvas.drawLine(mViewWidth * 7 / 8, mViewHeight / 16, mViewWidth * 13 / 16, mViewHeight * 3 / 32, mNumPaint);
mNumPaint.reset();
//绘制年，月份
mNumPaint.setTextSize(mViewHeight / 16);
mNumPaint.setColor(mNormalTextColor1);
mNumPaint.setAntiAlias(true);
String theYear = year + "";
String theMonth = month + "";
canvas.drawText(theYear, mViewWidth / 2 - getTextWidth(mNumPaint, theYear) / 2, mViewHeight / 16, mNumPaint);
mNumPaint.setTextSize(mViewHeight / 18);
mNumPaint.setColor(mNormalTextColor2);
canvas.drawText(theMonth, mViewWidth / 2 - getTextWidth(mNumPaint, theMonth) / 2, mViewHeight / 8, mNumPaint);
mNumPaint.reset();
//绘制日历
xInterval = mViewWidth / 7;
yInterval = mViewHeight / 8;
int day = 0;
float x;
float y;
int theday;
boolean isToday = false;
boolean isCheckDay = false;
float offset = 0;
radius = mViewWidth / 19;
for (int i = 0; i < weekName.length; i++) {
x = i * xInterval + mNormalTextSize / 2;
y = 1 * yInterval + yInterval / 2;
if (i == 0 || i == weekName.length - 1) {
drawNum(weekName[i], mNormalTextSize, mNormalTextColor2, x, y, canvas, isToday, offset);
} else {
drawNum(weekName[i], mNormalTextSize, mNormalTextColor1, x, y, canvas, isToday, offset);
}
}
mNumPaint.reset();
String str;
for (int i = 2; i < 8; i++) {
for (int j = 0; j < 7; j++) {
if (i == 2 && j == 0) {
j = weekOfFirstDay;
}
if (day > allDays.length - 1) {
theday = -1;
} else {
theday = allDays[day];
}
str = "" + theday;
if (theday == -1) {
str = "";
}
//单个数字的偏移量
if (theday < 10 && theday > 0) {
offset = mNormalTextSize / 4;
}
//计算数字的位置
y = i * yInterval + yInterval / 2;
x = j * xInterval + mNormalTextSize / 2 - getTextWidth(mNumPaint, str) + offset;
//判断是否为今天
isToday = theday == today;
if (isToday) {
drawACircle(x, y, Color.argb(255, 254, 140, 26), radius, canvas, offset);
}
//如果数字是checkDay
isCheckDay = theday == firstCheckDay;
if (isCheckDay) {
drawACircle(x, y, 0xffa0c8c8, radius, canvas, offset);
}
if (secondCheckDay != -2) {
if (theday > firstCheckDay && theday <= secondCheckDay) {
drawACircle(x, y, 0xffa0c8c8, radius, canvas, offset);
isCheckDay = true;
}
}
if (j == 0 || j == 6) {
drawNum(str, mNormalTextSize, mNormalTextColor2, x, y, canvas, isToday || isCheckDay, offset);
} else {
drawNum(str, mNormalTextSize, mNormalTextColor1, x, y, canvas, isToday || isCheckDay, offset);
}
offset = 0;
day++;
mNumPaint.reset();
}
}
}
/**
* 画出数字
*
* @param num
* @param textSize
* @param color
* @param x
* @param y
* @param canvas
* @param isTheDoday
* @param offset
*/
private void drawNum(String num, int textSize, int color, float x, float y, Canvas canvas, boolean isTheDoday, float offset) {
if (isTheDoday) {
color = 0xffffffff;
}
mNumPaint.setTextSize(textSize);
mNumPaint.setColor(color);
canvas.drawText(num, x, y, mNumPaint);
}
@Override
public boolean dispatchTouchEvent(MotionEvent event) {
//获取事件的位置
float touchX = event.getX();
float touchY = event.getY();
if (!canClick) {
return true;
}
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
if (touchY < 3 * mViewHeight / 32 && touchY > mViewHeight / 32) {
if (touchX < 3 * mViewWidth / 16 && touchX > mViewWidth / 8) {
clickLeft = true;
//左箭头事件
turnPageListener.OnLeftDown(today, month, year);
}
if (touchX < 7 * mViewWidth / 8 && touchX > 13 * mViewWidth / 16) {
clickRight = true;
//右箭头事件
turnPageListener.OnRightDown(today, month, year);
}
}
//以下是对日历的事件处理
int theX = (int) ((touchX + 0.1 * xInterval) / xInterval);//获取第几列
int theY = (int) ((touchY + 0.2 * yInterval) / yInterval);//获取第几行
if (theY < 2) {
theY = 2;
}
//得到是哪一天
int num = (theY - 2) * 7 + theX - weekOfFirstDay;
int day;
if (num < 0 || num > allDays.length - 1) {
num = -2;
day = 0;
} else {
day = allDays[num];
}
float x = theX * xInterval + mNormalTextSize / 2 - mNumPaint.measureText("" + day);
float y = theY * yInterval + yInterval / 2;
//判断是否点击在每个数字为中心的圆内
boolean isclick = isClick(x, y, num, touchX, touchY);
//有三种状态 初始状态（00），第一次点击（10），第二次点击（11）
if (!firstClick) {
firstClick = true;
} else if (!secondClick) {
secondClick = true;
} else {
firstClick = false;
secondClick = false;
firstCheckDay = -2;
secondCheckDay = -2;
}
//处理点击在月份天数外所引起的数值问题
if (isclick && num != -2 && firstClick && !secondClick) {
firstCheckDay = allDays[num];
}
if (firstClick && firstCheckDay == -2) {
firstClick = false;
}
if (isclick && num != -2 && secondClick) {
if (allDays[num] < firstCheckDay) {
firstCheckDay = allDays[num];
secondClick = false;
} else {
secondCheckDay = allDays[num];
}
}
if (secondClick && secondCheckDay == -2) {
secondClick = false;
}
//
//调用接口
if (firstClick && !secondClick) {
chooseListener.onSingleChoose(firstCheckDay);
} else if (firstClick && secondClick) {
int numO = secondCheckDay - firstCheckDay + 1;
int[] days = new int[numO];
int tday = firstCheckDay;
for (int j = 0; j < numO; j++) {
days[j] = tday++;
}
chooseListener.onDoubleChoose(days);
}
break;
case MotionEvent.ACTION_UP:
//左箭头事件
if (clickLeft) {
turnPageListener.OnLeftUp(today, month, year);
clickLeft = !clickLeft;
preMonth();
}
//右箭头事件
if (clickRight) {
turnPageListener.OnRightUp(today, month, year);
clickRight = !clickRight;
nextMonth();
}
break;
}
invalidate();
return true;
}
private void nextMonth() {
resetClick();
CalendarUtils.nextMonth();
int tyear = CalendarUtils.getCurrentYear();
int tmonth = CalendarUtils.getCurrentMonth();
int tday = CalendarUtils.getCurrentDate();
int tdayOfWeek = CalendarUtils.getCurrentFirstWeekdayOfMoth();
int tmaxDayNum = CalendarUtils.getCurrentMaxNumOfMonth();
setYear(tyear);
setMonth(tmonth);
setAllDays(tmaxDayNum);
setWeekOfFirstDay(tdayOfWeek);
if (NowDay == tday && NowMonth == tmonth && NowYear == tyear) {
setToday(tday);
} else {
setToday(0);
}
}
private void preMonth() {
resetClick();
CalendarUtils.preMonth();
int tyear = CalendarUtils.getCurrentYear();
int tmonth = CalendarUtils.getCurrentMonth();
int tday = CalendarUtils.getCurrentDate();
int tdayOfWeek = CalendarUtils.getCurrentFirstWeekdayOfMoth();
int tmaxDayNum = CalendarUtils.getCurrentMaxNumOfMonth();
setYear(tyear);
setMonth(tmonth);
setAllDays(tmaxDayNum);
setWeekOfFirstDay(tdayOfWeek);
if (NowDay == tday && NowMonth == tmonth && NowYear == tyear) {
setToday(tday);
} else {
setToday(0);
}
}
private boolean isClick(float theX, float theY, int num, float touchX, float touchY) {
boolean isContain = isContain(theX + radius * 3 / 4, theY - (radius / 2), touchX, touchY, radius);
return isContain;
}
/**
* 获取文本宽度
*
* @param paint
* @param str
* @return
*/
private float getTextWidth(Paint paint, String str) {
float iRet = 0;
if (str != null && str.length() > 0) {
int len = str.length();
float[] widths = new float[len];
paint.getTextWidths(str, widths);
for (int j = 0; j < len; j++) {
iRet += Math.ceil(widths[j]);
}
}
return iRet;
}
public void resetClick() {
firstClick = false;
secondClick = false;
firstCheckDay = -2;
secondCheckDay = -2;
}
/**
* 判断是否在圆内
*
* @param x 落点x
* @param y 落点y
* @param touchX 圆心X
* @param touchY 圆心Y
* @param radius 半径
* @return
*/
private boolean isContain(float x, float y, float touchX, float touchY, float radius) {
double xPow = Math.pow(x - touchX, 2);
double yPow = Math.pow(y - touchY, 2);
double rPow = xPow + yPow;
double RPow = Math.pow(radius, 2);
return rPow <= RPow;
}
private void drawACircle(float x, float y, int color, float radius, Canvas canvas, float offset) {
mNumPaint.setColor(color);
canvas.drawCircle(x - offset + radius * 3 / 4, y - (radius / 2), radius, mNumPaint);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
setMeasuredDimension(measureWidth(widthMeasureSpec), measureHeight(heightMeasureSpec));
}
private int measureWidth(int widthMeasureSpec) {
int width;
int mode = MeasureSpec.getMode(widthMeasureSpec);
int size = MeasureSpec.getSize(widthMeasureSpec);
if (mode == MeasureSpec.EXACTLY) {
width = size;
} else {
//不是精确模式的话得自己结合paddin
int desire = size + getPaddingLeft() + getPaddingRight();
if (mode == MeasureSpec.AT_MOST) {
width = Math.min(desire, size);
} else {
width = desire;
}
}
mViewWidth = width;
mNormalTextSize = width / (7 * 2);
return width;
}
private int measureHeight(int heightMeasureSpec) {
int height;
int mode = MeasureSpec.getMode(heightMeasureSpec);
int size = MeasureSpec.getSize(heightMeasureSpec);
if (mode == MeasureSpec.EXACTLY) {
height = size;
} else {
//不是精确模式的话得自己结合paddin
int desire = size + getPaddingTop() + getPaddingBottom();
if (mode == MeasureSpec.AT_MOST) {
height = Math.min(desire, size);
} else {
height = desire;
}
}
mViewHeight = height;
return height;
}
}
package com.example.zbytestone;
import java.util.Calendar;
public class CalendarUtils {
private static Calendar calendar = Calendar.getInstance();
public static int getCurrentYear(){
return calendar.get(Calendar.YEAR);
}
public static int getCurrentMonth(){
return calendar.get(Calendar.MONTH)+1;
}
public static int getCurrentDate(){
return calendar.get(Calendar.DATE);
}
public static int getCurrentMaxNumOfMonth(){
return calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
}
public static int getCurrentFirstWeekdayOfMoth(){
int today = getCurrentDate();
calendar.set(Calendar.DATE, 1);
int weekday = calendar.get(Calendar.DAY_OF_WEEK)-1;
calendar.set(Calendar.DATE, today);
return weekday;
}
public static void nextMonth(){
calendar.add(Calendar.MONTH, 1);
}
public static void preMonth(){
calendar.add(Calendar.MONTH, -1);
}
public static void printCalendar(){
System.out.println(getCurrentYear()+"年"+getCurrentMonth()+"月"+getCurrentDate()+"日");
System.out.println("总共有"+getCurrentMaxNumOfMonth()+"天"+"第一天是星期"+getCurrentFirstWeekdayOfMoth());
}
}
package com.example.zbytestone;
import android.os.Bundle;
import androidx.appcompat.app.AppCompatActivity;
public class MainActivity extends AppCompatActivity {
private MyCalendarCard card;
private int NowDay;
private int NowMonth;
private int NowYear;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
card = (MyCalendarCard) findViewById(R.id.id_mcc);
card.setCanClick(true);
card.setOnChooseListener(new OnChooseListener() {
@Override
public void onSingleChoose(int day) {
}
@Override
public void onDoubleChoose(int[] days) {
}
});
card.setOnTurnPageListener(new OnTurnPageListener() {
@Override
public void OnLeftUp(int today, int month, int year) {
}
@Override
public void OnLeftDown(int today, int month, int year) {
}
@Override
public void OnRightUp(int today, int month, int year) {
// CalendarUtils.nextMonth();
// int tyear = CalendarUtils.getCurrentYear();
// int tmonth = CalendarUtils.getCurrentMonth() + 1;
// int tday = CalendarUtils.getCurrentDate();
// int tdayOfWeek = CalendarUtils.getCurretnFirstDayOfWeek() - 1;
// int tmaxDayNum = CalendarUtils.getCurrentMaxDayNumOfMonth();
// card.setYear(tyear);
// card.setMonth(tmonth);
// card.setAllDays(tmaxDayNum);
// card.resetClick();
// if (NowDay == tday && NowMonth == tmonth && NowYear == tyear) {
// card.setToday(tday);
// } else {
// card.setToday(0);
// }
// card.setWeekOfFirstDay(tdayOfWeek);
}
@Override
public void OnRightDown(int today, int month, int year) {
}
});
}
private String printDats(int[] days) {
StringBuilder res = new StringBuilder("");
for (int i = 0; i < days.length; i++) {
res.append("|" + days[i]);
}
return res.toString();
}
}
package com.example.zbytestone;
/**
* Created by Administrator on 2015/10/1 0001.
*/
public interface OnChooseListener {
void onSingleChoose(int day);
void onDoubleChoose(int[] days);
}
package com.example.zbytestone;
/**
* Created by Administrator on 2015/10/2 0002.
*/
public interface OnTurnPageListener {
void OnLeftUp(int today,int month , int year );
void OnLeftDown(int today,int month , int year );
void OnRightUp(int today,int month , int year );
void OnRightDown(int today,int month , int year );
}
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<network.scau.com.rili.MyCalendarCard
android:layout_centerInParent="true"
android:id="@+id/id_mcc"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</RelativeLayout>