基于Android week view仿小米和iphone日历效果

时间：2022-06-25 23:11:24 编辑：袖梨来源：一聚教程网

前言

最近由于项目需求，要做一个仿小米日历的功能，下面显示一天的日程，header以周为单位进行滑动，github上找了很久也没有找到合适的，但找到一相近的开源项目Android-week-view，它不是我们项目所需要的效果，但是它帮我们实现的Event的添加和事件的处理，这让我们省了不少工作，Android-week-view效果如下图

废话不多说，先看看我项目中的效果

主要包括两个核心的类，两个定义控件，上面的WeekHeaderView和下面的WeekDayView，都是继承的view，然后计算位置，将上面的week label 和下面的Day text 画上去，通过Scroller和 GestureDetector控制滑动和处理各种事件。废话不多说，直接教大家怎么用。

首先是布局文件，大家可以通过属性去控件文字的大小，背影颜色、焦点颜色等等。

java代码

package com.guojunutb.weekview; 
 
import android.app.Activity; 
import android.graphics.RectF; 
import android.os.Bundle; 
import android.widget.TextView; 
import android.widget.Toast; 
 
import com.guojunustb.library.DateTimeInterpreter; 
import com.guojunustb.library.WeekDayView; 
import com.guojunustb.library.WeekHeaderView; 
import com.guojunustb.library.WeekViewEvent; 
 
import java.text.SimpleDateFormat; 
import java.util.ArrayList; 
import java.util.Calendar; 
import java.util.List; 
import java.util.Locale; 
 
/** 
 * 
 */ 
public class MainActivity extends Activity implements WeekDayView.MonthChangeListener, 
    WeekDayView.EventClickListener, WeekDayView.EventLongPressListener,WeekDayView.EmptyViewClickListener,WeekDayView.EmptyViewLongPressListener,WeekDayView.ScrollListener { 
  //view 
  private WeekDayView mWeekView; 
  private WeekHeaderView mWeekHeaderView; 
  private TextView mTv_date; 
 
  List mNewEvent = new ArrayList(); 
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 
    assignViews(); 
  } 
 
  private void assignViews() { 
    mWeekView = (WeekDayView) findViewById(R.id.weekdayview); 
    mWeekHeaderView= (WeekHeaderView) findViewById(R.id.weekheaderview); 
    mTv_date =(TextView)findViewById(R.id.tv_date); 
    //init WeekView 
    mWeekView.setMonthChangeListener(this); 
    mWeekView.setEventLongPressListener(this); 
    mWeekView.setOnEventClickListener(this); 
    mWeekView.setScrollListener(this); 
    mWeekHeaderView.setDateSelectedChangeListener(new WeekHeaderView.DateSelectedChangeListener() { 
      @Override 
      public void onDateSelectedChange(Calendar oldSelectedDay, Calendar newSelectedDay) { 
        mWeekView.goToDate(newSelectedDay); 
      } 
    }); 
    mWeekHeaderView.setScrollListener(new WeekHeaderView.ScrollListener() { 
      @Override 
      public void onFirstVisibleDayChanged(Calendar newFirstVisibleDay, Calendar oldFirstVisibleDay) { 
        mWeekView.goToDate(mWeekHeaderView.getSelectedDay()); 
      } 
    }); 
    setupDateTimeInterpreter(false); 
 
  } 
 
 
  /** 
   * Set up a date time interpreter which will show short date values when in week view and long 
   * date values otherwise. 
   * 
   * @param shortDate True if the date values should be short. 
   */ 
  private void setupDateTimeInterpreter(final boolean shortDate) { 
    final String[] weekLabels={"日","一","二","三","四","五","六"}; 
    mWeekView.setDateTimeInterpreter(new DateTimeInterpreter() { 
      @Override 
      public String interpretDate(Calendar date) { 
        SimpleDateFormat weekdayNameFormat = new SimpleDateFormat("EEE", Locale.getDefault()); 
        String weekday = weekdayNameFormat.format(date.getTime()); 
        SimpleDateFormat format = new SimpleDateFormat("d", Locale.getDefault()); 
        return format.format(date.getTime()); 
      } 
 
      @Override 
      public String interpretTime(int hour) { 
        return String.format("%02d:00", hour); 
 
      } 
 
      @Override 
      public String interpretWeek(int date) { 
        if(date>7||date<1){ 
          return null; 
        } 
        return weekLabels[date-1]; 
      } 
    }); 
  } 
 
  @Override 
  public List onMonthChange(int newYear, int newMonth) { 
 
    // Populate the week view with some events. 
    List events = new ArrayList(); 
 
    Calendar startTime = Calendar.getInstance(); 
    startTime.set(Calendar.HOUR_OF_DAY, 3); 
    startTime.set(Calendar.MINUTE, 0); 
    startTime.set(Calendar.MONTH, newMonth - 1); 
    startTime.set(Calendar.YEAR, newYear); 
    Calendar endTime = (Calendar) startTime.clone(); 
    endTime.add(Calendar.HOUR, 1); 
    endTime.set(Calendar.MONTH, newMonth - 1); 
    WeekViewEvent event = new WeekViewEvent(1, "This is a Event!!", startTime, endTime); 
    event.setColor(getResources().getColor(R.color.event_color_01)); 
    events.add(event); 
 
    startTime = Calendar.getInstance(); 
    startTime.set(Calendar.HOUR_OF_DAY, 3); 
    startTime.set(Calendar.MINUTE, 30); 
    startTime.set(Calendar.MONTH, newMonth - 1); 
    startTime.set(Calendar.YEAR, newYear); 
    endTime = (Calendar) startTime.clone(); 
    endTime.set(Calendar.HOUR_OF_DAY, 4); 
    endTime.set(Calendar.MINUTE, 30); 
    endTime.set(Calendar.MONTH, newMonth - 1); 
    event = new WeekViewEvent(10, getEventTitle(startTime), startTime, endTime); 
    event.setColor(getResources().getColor(R.color.event_color_02)); 
    events.add(event); 
 
    startTime = Calendar.getInstance(); 
    startTime.set(Calendar.HOUR_OF_DAY, 4); 
    startTime.set(Calendar.MINUTE, 20); 
    startTime.set(Calendar.MONTH, newMonth - 1); 
    startTime.set(Calendar.YEAR, newYear); 
    endTime = (Calendar) startTime.clone(); 
    endTime.set(Calendar.HOUR_OF_DAY, 5); 
    endTime.set(Calendar.MINUTE, 0); 
    event = new WeekViewEvent(10, getEventTitle(startTime), startTime, endTime); 
    event.setColor(getResources().getColor(R.color.event_color_03)); 
    events.add(event); 
 
    startTime = Calendar.getInstance(); 
    startTime.set(Calendar.HOUR_OF_DAY, 5); 
    startTime.set(Calendar.MINUTE, 30); 
    startTime.set(Calendar.MONTH, newMonth - 1); 
    startTime.set(Calendar.YEAR, newYear); 
    endTime = (Calendar) startTime.clone(); 
    endTime.add(Calendar.HOUR_OF_DAY, 2); 
    endTime.set(Calendar.MONTH, newMonth - 1); 
    event = new WeekViewEvent(2, getEventTitle(startTime), startTime, endTime); 
    event.setColor(getResources().getColor(R.color.event_color_02)); 
    events.add(event); 
    startTime = Calendar.getInstance(); 
    startTime.set(Calendar.HOUR_OF_DAY, 5); 
    startTime.set(Calendar.MINUTE, 30); 
    startTime.set(Calendar.MONTH, newMonth - 1); 
    startTime.set(Calendar.YEAR, newYear); 
    endTime = (Calendar) startTime.clone(); 
    endTime.add(Calendar.HOUR_OF_DAY, 2); 
    endTime.set(Calendar.MONTH, newMonth - 1); 
    event = new WeekViewEvent(2, "dddd", startTime, endTime); 
    event.setColor(getResources().getColor(R.color.event_color_01)); 
    events.add(event); 
    startTime = Calendar.getInstance(); 
    startTime.set(Calendar.HOUR_OF_DAY, 5); 
    startTime.set(Calendar.MINUTE, 0); 
    startTime.set(Calendar.MONTH, newMonth - 1); 
    startTime.set(Calendar.YEAR, newYear); 
    startTime.add(Calendar.DATE, 1); 
    endTime = (Calendar) startTime.clone(); 
    endTime.add(Calendar.HOUR_OF_DAY, 3); 
    endTime.set(Calendar.MONTH, newMonth - 1); 
    event = new WeekViewEvent(3, getEventTitle(startTime), startTime, endTime); 
    event.setColor(getResources().getColor(R.color.event_color_03)); 
    events.add(event); 
 
    startTime = Calendar.getInstance(); 
    startTime.set(Calendar.DAY_OF_MONTH, 15); 
    startTime.set(Calendar.HOUR_OF_DAY, 3); 
    startTime.set(Calendar.MINUTE, 0); 
    startTime.set(Calendar.MONTH, newMonth - 1); 
    startTime.set(Calendar.YEAR, newYear); 
    endTime = (Calendar) startTime.clone(); 
    endTime.add(Calendar.HOUR_OF_DAY, 3); 
    event = new WeekViewEvent(4, getEventTitle(startTime), startTime, endTime); 
    event.setColor(getResources().getColor(R.color.event_color_04)); 
    events.add(event); 
 
    startTime = Calendar.getInstance(); 
    startTime.set(Calendar.DAY_OF_MONTH, 1); 
    startTime.set(Calendar.HOUR_OF_DAY, 3); 
    startTime.set(Calendar.MINUTE, 0); 
    startTime.set(Calendar.MONTH, newMonth - 1); 
    startTime.set(Calendar.YEAR, newYear); 
    endTime = (Calendar) startTime.clone(); 
    endTime.add(Calendar.HOUR_OF_DAY, 3); 
    event = new WeekViewEvent(5, getEventTitle(startTime), startTime, endTime); 
    event.setColor(getResources().getColor(R.color.event_color_01)); 
    events.add(event); 
 
    startTime = Calendar.getInstance(); 
    startTime.set(Calendar.DAY_OF_MONTH, startTime.getActualMaximum(Calendar.DAY_OF_MONTH)); 
    startTime.set(Calendar.HOUR_OF_DAY, 15); 
    startTime.set(Calendar.MINUTE, 0); 
    startTime.set(Calendar.MONTH, newMonth - 1); 
    startTime.set(Calendar.YEAR, newYear); 
    endTime = (Calendar) startTime.clone(); 
    endTime.add(Calendar.HOUR_OF_DAY, 3); 
    event = new WeekViewEvent(5, getEventTitle(startTime), startTime, endTime); 
    event.setColor(getResources().getColor(R.color.event_color_02)); 
    events.add(event); 
    events.addAll(mNewEvent); 
    return events; 
  } 
 
  private String getEventTitle(Calendar time) { 
    return String.format("Event of %02d:%02d %s/%d", time.get(Calendar.HOUR_OF_DAY), time.get(Calendar.MINUTE), time.get(Calendar.MONTH) + 1, time.get(Calendar.DAY_OF_MONTH)); 
  } 
 
  @Override 
  public void onEventClick(WeekViewEvent event, RectF eventRect) { 
    Toast.makeText(MainActivity.this, "Clicked " + event.getName(), Toast.LENGTH_SHORT).show(); 
  } 
 
  @Override 
  public void onEventLongPress(WeekViewEvent event, RectF eventRect) { 
    Toast.makeText(MainActivity.this, "Long pressed event: " + event.getName(), Toast.LENGTH_SHORT).show(); 
  } 
 
 
  @Override 
  public void onEmptyViewClicked(Calendar time) { 
    Toast.makeText(MainActivity.this, "Empty View clicked " + time.get(Calendar.YEAR) + "/" + time.get(Calendar.MONTH) + "/" + time.get(Calendar.DAY_OF_MONTH), Toast.LENGTH_LONG).show(); 
  } 
 
  @Override 
  public void onEmptyViewLongPress(Calendar time) { 
    Toast.makeText(MainActivity.this, "Empty View long clicked " + time.get(Calendar.YEAR) + "/" + time.get(Calendar.MONTH) + "/" + time.get(Calendar.DAY_OF_MONTH), Toast.LENGTH_LONG).show(); 
 
  } 
 
  @Override 
  public void onFirstVisibleDayChanged(Calendar newFirstVisibleDay, Calendar oldFirstVisibleDay) { 
 
  } 
 
  @Override 
  public void onSelectedDaeChange(Calendar selectedDate) { 
    mWeekHeaderView.setSelectedDay(selectedDate); 
    mTv_date.setText(selectedDate.get(Calendar.YEAR)+"年"+(selectedDate.get(Calendar.MONTH)+1)+"月"); 
  } 
}

WeekHeaderView 和WeekDayView相互监听对方的滑动才能实现联动。第一次写博客，就说这么多了，有兴趣的朋友可以去github,下载源码看看，我就不再献丑了。

下载地址：Sample-android-week-view

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