Android自定义view实现日历打卡签到

本文实例为大家分享了android自定义view实现日历打卡签到的具体代码，供大家参考，具体内容如下

1.说明

自己写一个view实现每天签到的功能，设置背景图片

源码下载

2.效果图

3.主界面

package com.example.myapplication30;
 
import androidx.appcompat.app.appcompatactivity;
 
import android.annotation.suppresslint;
import android.os.bundle;
import android.util.log;
import android.view.view;
import android.widget.button;
import android.widget.textview;
import java.util.arraylist;
import java.util.calendar;
import java.util.list;
 
public class mainactivity extends appcompatactivity {
    //参考网址：https://blog.csdn.net/macaopark/article/details/102069775
    private textview mtvdaysum;
    private textview mtvmonth;
    private signview mcvcalendar;
    private list<signentity> data;
    private calendar calendar;
 
    @override
    protected void oncreate(bundle savedinstancestate) {
        super.oncreate(savedinstancestate);
        setcontentview(r.layout.activity_main);
        mtvdaysum = findviewbyid(r.id.punch_tv_day_sum);
        mtvmonth = findviewbyid(r.id.punch_tv_month);
        mcvcalendar = findviewbyid(r.id.punch_cv_calendar);
    }
 
    @override
    protected void onstart() {
        super.onstart();
        onready();
    }
 
    @suppresslint("settexti18n")
    private void onready() {
          calendar = calendar.getinstance();
        int year = calendar.get(calendar.year);
        int month = calendar.get(calendar.month);
        //int date =  calendar.get(calendar.date);
        int dayofmonthtoday = calendar.get(calendar.day_of_month);
        list<signdate> signdates = new arraylist<>();
        signdates.add(new signdate(2021, 5, 1, true));
        signdates.add(new signdate(2021, 5, 2, true));
        signdates.add(new signdate(2021, 5, 3, true));
        signdates.add(new signdate(2021, 5, 4, true));
        signdates.add(new signdate(2021, 5, 5, true));
 
        mtvdaysum.settext("本期连续登录\t"+signdates.size()+"\t天");
        mtvmonth.settext(year+"年"+getresources().getstringarray(r.array.month_array)[month]+"\t"+dayofmonthtoday+"日");
 
        data = new arraylist<>();
        for (int i = 1; i <= dayofmonthtoday; i++) {
            signentity signentity = new signentity();
            if (i == dayofmonthtoday) {
                signentity.setdaytype(2);
            } else {
                signentity.setdaytype(1);
            }
            for (int j = 0; j < signdates.size(); j++) {
                if (signdates.get(j).getday() == i) {
                    signentity.setdaytype(0);
                    break;
                } else if (dayofmonthtoday == i) {
                    signentity.setdaytype(2);
                } else {
                    signentity.setdaytype(1);
                }
            }
            data.add(signentity);
        }
 
        signadapter signadapter = new signadapter(data);
        mcvcalendar.setadapter(signadapter);
    }
 
}

4.适配器

package com.example.myapplication30;
 
 
import java.util.list;
 
/**
 * signadapter
 * created by e.m on 2016/4/21.
 */
public class signadapter extends calendaradapter {
    private list<signentity> data;
 
    public signadapter(list<signentity> data) {
        this.data = data;
    }
 
    @override
    public signview.daytype gettype(int dayofmonth) {
        return signview.daytype.valueof(data.get(dayofmonth - 1).getdaytype());
    }
}

5.自定义view

package com.example.myapplication30;
 
 
import android.content.context;
import android.graphics.bitmap;
import android.graphics.bitmapfactory;
import android.graphics.bitmapshader;
import android.graphics.canvas;
import android.graphics.color;
import android.graphics.composeshader;
import android.graphics.lineargradient;
import android.graphics.paint;
import android.graphics.path;
import android.graphics.porterduff;
import android.graphics.radialgradient;
import android.graphics.rect;
import android.graphics.shader;
import android.graphics.sweepgradient;
import android.util.attributeset;
import android.view.motionevent;
import android.view.view;
 
 
import java.util.calendar;
 
/**
 * 签到日历控件
 * created by e.m on 2016/4/20.
 */
public class signview extends view {
    private static final string[] week_mark = {"一", "二", "三", "四", "五", "六", "日"};
 
    private static final int max_column = 7;
    /**
     * 周内
     */
    private static final int color_marker_weekday = 0xff999999;
    private static final int color_marker_weekend = 0xff1b89cd;
    /**
     * 已签到背景色
     */
    //private static final int color_background_highlight = 0xffff0000;
    /**
     * 未签到背景色
     */
    private static final int color_background_normal = 0xff9c9c9c;
    /**
     * 等待签到背景色
     */
    private static final int color_background_wait = 0xfffe7471;
    /**
     * 已签到文字颜色
     */
    private static final int color_text_highlight = 0xffffffff;
    /**
     * 未签到文字颜色
     */
    private static final int color_text_normal = 0xff606060;
//    /**
//     * 不可用文字颜色
//     */
//    private static final int color_text_disabled = 0xffd4d4d4;
 
    private static final int marker_text_size = 40;
    private static final int cell_text_size = 40;
 
    private static final int vertical_space = 51;
    private static final int vertical_margin = 62;
    private static final int horizontal_margin = 39;
    private static final int cell_size = 80;
    private static final int wait_line_size = 14;
 
    private int dayofmonthtoday;
    private int markertexty;
    private int verticalcelltop;
    private int sumdayofmonth;
    private int daysoffirstweek;
    private int horizontalspace;
    private int deltatextcelly;
    private int deltatextmarkery;
 
    private int verticalspace;
    private int verticalmargin;
    private int horizontalmargin;
    private int cellsize;
    private int waitlinesize;
 
    private path waitpath;
    private rect waitrect;
    private paint paintweekday;
    private paint paintweekend;
    private paint painttextnormal;
    private paint painttexthighlight;
    private paint paintbackgroundwait;
    private paint paintbackgroundnormal;
    private paint paintbackgroundhighlight;
    private calendaradapter adapter;
 
    public signview(context context) {
        this(context, null);
    }
 
    public signview(context context, attributeset attrs) {
        this(context, attrs, -1);
    }
 
    public signview(context context, attributeset attrs, int defstyleattr) {
        super(context, attrs, defstyleattr);
        initresolution();
        initpaint();
        initdata();
    }
 
    private void initresolution() {
//        resolutionutil = resolutionutil.getinstance();
//        verticalspace = resolutionutil.formatvertical(vertical_space);
//        verticalmargin = resolutionutil.formatvertical(vertical_margin);
//        horizontalmargin = resolutionutil.formathorizontal(horizontal_margin);
//        cellsize = resolutionutil.formatvertical(cell_size);
//        waitlinesize = resolutionutil.formatvertical(wait_line_size);
        verticalspace = vertical_space;
        verticalmargin = vertical_margin;
        horizontalmargin = horizontal_margin;
        cellsize = cell_size;
        waitlinesize = wait_line_size;
 
    }
 
    private void initpaint() {
//        int markertextsize = resolutionutil.formatvertical(marker_text_size);
//        int celltextsize = resolutionutil.formatvertical(cell_text_size);
        int markertextsize = marker_text_size;
        int celltextsize = cell_text_size;
 
        paintweekday = new paint();
        paintweekday.setantialias(true);
        paintweekday.setcolor(color_marker_weekday);
        paintweekday.settextsize(markertextsize);
        paintweekday.settextalign(paint.align.center);
 
        paintweekend = new paint();
        paintweekend.setantialias(true);
        paintweekend.setcolor(color_marker_weekend);
        paintweekend.settextsize(markertextsize);
        paintweekend.settextalign(paint.align.center);
 
        painttextnormal = new paint();
        painttextnormal.setantialias(true);
        painttextnormal.setcolor(color_text_normal);
        painttextnormal.settextsize(celltextsize);
        painttextnormal.settextalign(paint.align.center);
 
        painttexthighlight = new paint();
        painttexthighlight.setantialias(true);
        painttexthighlight.setcolor(color_text_highlight);
        painttexthighlight.settextsize(celltextsize);
        painttexthighlight.settextalign(paint.align.center);
 
        paintbackgroundwait = new paint();
        paintbackgroundwait.setantialias(true);
        paintbackgroundwait.setcolor(color_background_wait);
        paintbackgroundwait.setstrokewidth(2);
        paintbackgroundwait.setstyle(paint.style.stroke);
 
        paintbackgroundnormal = new paint();
        paintbackgroundnormal.setantialias(true);
        paintbackgroundnormal.setcolor(color_background_normal);
        paintbackgroundnormal.setstrokewidth(2);
        paintbackgroundnormal.setstyle(paint.style.stroke);
 
        paintbackgroundhighlight = new paint();
        paintbackgroundhighlight.setantialias(true);
        paintbackgroundhighlight.setstrokewidth(2);
        paintbackgroundhighlight.setstyle(paint.style.fill);
        //颜色
        //paintbackgroundhighlight.setcolor(color_background_highlight);
        //多种颜色数组
        //int[] colors = {color.red,color.green,color.blue,color.yellow,color.magenta};
        //float[] position = {0f, 0.2f, 0.4f, 0.6f, 1.0f};
        //shader shader1 = new lineargradient(100,850,600,850,colors,position,shader.tilemode.clamp);
        //paintbackgroundhighlight.setshader(shader1);
        //设置背景图片
       /* bitmap placeholder = bitmapfactory.decoderesource(getresources(), r.mipmap.small);
        shader shader1 = new bitmapshader(placeholder, shader.tilemode.clamp, shader.tilemode.clamp);
        paintbackgroundhighlight.setshader(shader1);*/
 
 
    }
 
    private void initdata() {
        paint.fontmetricsint fmimarker = paintweekday.getfontmetricsint();
        deltatextmarkery = -(fmimarker.bottom - fmimarker.top) / 2 - fmimarker.top;
        markertexty = verticalmargin + cellsize / 2;
 
        paint.fontmetricsint fmicell = painttextnormal.getfontmetricsint();
        deltatextcelly = -(fmicell.bottom - fmicell.top) / 2 - fmicell.top;
        verticalcelltop = verticalmargin + cellsize;
 
        calendar calendartoday = calendar.getinstance();
        dayofmonthtoday = calendartoday.get(calendar.day_of_month);
        int dayofweek;
        sumdayofmonth = calendartoday.getactualmaximum(calendar.day_of_month);
 
        calendar calendarfirstday = calendar.getinstance();
        calendarfirstday.set(calendar.day_of_month, 1);
        dayofweek = calendarfirstday.get(calendar.day_of_week);
        if (dayofweek == calendar.sunday) {
            dayofweek = 7;
        } else {
            dayofweek = dayofweek - 1;
        }
        daysoffirstweek = max_column - dayofweek + 1;
    }
 
    private void createwaitbackground(int topx, int topy) {
        waitpath = new path();
        waitpath.moveto(topx, topy + waitlinesize);
        waitpath.lineto(topx, topy);
        waitpath.lineto(topx + waitlinesize, topy);
 
        waitpath.moveto(topx + cellsize - waitlinesize, topy + cellsize);
        waitpath.lineto(topx + cellsize, topy + cellsize);
        waitpath.lineto(topx + cellsize, topy + cellsize - waitlinesize);
 
        waitrect = new rect(topx, topy, topx + cellsize, topy + cellsize);
    }
 
    @override
    protected void onsizechanged(int w, int h, int oldw, int oldh) {
        super.onsizechanged(w, h, oldw, oldh);
        horizontalspace = (w - max_column * cellsize - horizontalmargin * 2) / (max_column - 1);
    }
 
    @override
    public void draw(canvas canvas) {
        super.draw(canvas);
        drawweekmark(canvas);
        drawcellsbackground(canvas);
        drawcells(canvas);
    }
 
    private void drawweekmark(canvas canvas) {
        int y = markertexty + deltatextmarkery;
        for (int i = 0; i < 7; i++) {
            int x = horizontalmargin + i * (horizontalspace + cellsize)
                    + cellsize / 2;
            if (i < 5) {
                canvas.drawtext(week_mark[i], x, y, paintweekday);
            } else {
                canvas.drawtext(week_mark[i], x, y, paintweekend);
            }
        }
    }
 
    private void drawcellsbackground(canvas canvas) {
        for (int i = 1; i <= dayofmonthtoday; i++) {
            drawcellbackground(canvas, i, getcolumnindex(i), getrowindex(i));
        }
    }
 
    /**
     * 根据行列序号绘制日期背景
     *
     * @param canvas     画布
     * @param dayofmonth 日期
     * @param column     列序号
     * @param row        行序号
     */
    private void drawcellbackground(canvas canvas, int dayofmonth, int column, int row) {
        int x = horizontalmargin + column * (horizontalspace + cellsize)
                + cellsize / 2;
        int y = verticalcelltop + verticalspace * (row + 1) + cellsize * row + cellsize / 2;
        if (adapter != null) {
            daytype daytype = adapter.gettype(dayofmonth);
            switch (daytype) {
                case waiting:
                    if (waitpath == null) {
                        createwaitbackground(x - cellsize / 2, y - cellsize / 2);
                    }
                    canvas.drawpath(waitpath, paintbackgroundwait);
                    break;
                case signed:
                 //     canvas.drawcircle(x, y, cellsize/2, paintbackgroundhighlight);
                //  canvas.drawrect(x - 60, y - 60, x + 60, y + 60, paintbackgroundhighlight);// 正方形
                   // bitmap placeholder = bitmapfactory.decoderesource(getresources(), r.mipmap.purtest);
                 //   canvas.drawbitmap(placeholder,);wcircle(x, y, cellsize/2, paintbackgroundhighlight);
                    canvas.drawbitmap(bitmapfactory.decoderesource(getresources(), r.mipmap.small3),x-40, y-40 , paintbackgroundhighlight);
                    break;
                default:
                    canvas.drawcircle(x, y, cellsize / 2, paintbackgroundnormal);
                    break;
            }
        } else {
            canvas.drawcircle(x, y, cellsize / 2, paintbackgroundnormal);
        }
    }
 
    private void drawcells(canvas canvas) {
        for (int i = 1; i <= sumdayofmonth; i++) {
            drawcell(canvas, i, getcolumnindex(i), getrowindex(i));
        }
    }
 
    /**
     * 根据行列序号绘制日期
     *
     * @param canvas     画布
     * @param dayofmonth 日期
     * @param column     列序号
     * @param row        行序号
     */
    private void drawcell(canvas canvas, int dayofmonth, int column, int row) {
        int x = horizontalmargin + column * (horizontalspace + cellsize)
                + cellsize / 2;
        int y = verticalcelltop + verticalspace * (row + 1) + cellsize * row + cellsize / 2
                + deltatextcelly;
        if (adapter != null && dayofmonth <= dayofmonthtoday) {
            daytype daytype = adapter.gettype(dayofmonth);
            paint paint;
            switch (daytype) {
                case signed:
                    paint = painttexthighlight;
                    break;
                default:
                    paint = painttextnormal;
                    break;
            }
            canvas.drawtext(string.valueof(dayofmonth), x, y, paint);
        } else {
            canvas.drawtext(string.valueof(dayofmonth), x, y, painttextnormal);
        }
    }
 
    /**
     * 获取列序号
     *
     * @param dayofmonth 日期
     * @return 列序号
     */
    private int getcolumnindex(int dayofmonth) {
        calendar calendar = calendar.getinstance();
        calendar.set(calendar.day_of_month, dayofmonth);
        int dayofweek = calendar.get(calendar.day_of_week);
        if (dayofweek == calendar.sunday) {
            dayofweek = 6;
        } else {
            dayofweek = dayofweek - 2;
        }
        return dayofweek;
    }
 
    /**
     * 获取行序号
     *
     * @param dayofmonth 日期
     * @return 行序号
     */
    private int getrowindex(int dayofmonth) {
        float weight = (dayofmonth - daysoffirstweek) / (max_column * 1f);
        double rowindexdouble = math.abs(math.ceil(weight));
        return (int) rowindexdouble;
    }
 
    @override
    public boolean ontouchevent(motionevent event) {
        if (event.getaction() == motionevent.action_up) {
            float x = event.getx();
            float y = event.gety();
            if (waitpath != null) {
                if (adapter.gettype(dayofmonthtoday).equals(daytype.waiting)) {
                    if (x >= waitrect.left && y >= waitrect.top && x <= waitrect.right && y <= waitrect.bottom) {
                        if (ontodayclicklistener != null) {
                            ontodayclicklistener.ontodayclick();
                        }
                    }
                }
            }
        }
        return true;
    }
 
    public void setadapter(calendaradapter adapter) {
        this.adapter = adapter;
        this.invalidate();
    }
 
    public int getdayofmonthtoday() {
        return dayofmonthtoday;
    }
 
    public void notifydatasetchanged() {
        invalidate();
    }
 
    private ontodayclicklistener ontodayclicklistener;
 
    public void setontodayclicklistener(ontodayclicklistener ontodayclicklistener) {
        this.ontodayclicklistener = ontodayclicklistener;
    }
 
    public interface ontodayclicklistener {
        void ontodayclick();
    }
 
    public enum daytype {
        /**
         * 已签到状态，时间已过
         */
        signed(0),
        /**
         * 未签到状态，时间已过
         */
        unsigned(1),
        /**
         * 等待状态，即当日还未签到
         */
        waiting(2),
        /**
         * 不可达到状态，未到时间
         */
        unreachable(3),
        /**
         * 不可用状态，非当前月份
         */
        disabled(4);
 
        private int value;
 
        daytype(int value) {
            this.value = value;
        }
 
        public int getvalue() {
            return value;
        }
 
        public static daytype valueof(int value) {
            switch (value) {
                case 0:
                    return signed;
                case 1:
                    return unsigned;
                case 2:
                    return waiting;
                case 3:
                    return unreachable;
                case 4:
                    return disabled;
                default:
                    return disabled;
            }
        }
    }
}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。