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Android日期顯示和日期選擇庫(kù)

 更新時(shí)間:2020年08月26日 15:27:43   作者:SunShanai  
這篇文章主要為大家詳細(xì)介紹了Android日期顯示和日期選擇庫(kù)的相關(guān)資料,文中示例代碼介紹的非常詳細(xì),具有一定的參考價(jià)值,感興趣的小伙伴們可以參考一下

日期顯示和選擇類庫(kù),可以用來(lái)選擇一段連續(xù)的和多個(gè)不連續(xù)的日期,具體的UI完全抽象出來(lái)了,可以高度自定義(GITHUB地址

支持的功能:

1、選擇一段連續(xù)的和多個(gè)不連續(xù)的日期
2、提供了兩個(gè)工具類(SingleMonthSelector、CalendarSelector)用來(lái)處理單個(gè)月和多個(gè)連續(xù)月日期的選擇
3、可以攔截選擇事件,當(dāng)選擇的日期長(zhǎng)度有限制或某些特殊的日期不可以選擇時(shí),可以中斷這次選擇事件
4、SingleMonthSelector、CalendarSelector兩個(gè)工具類都支持狀態(tài)保存,可以restore之前的狀態(tài)
5、UI顯示可以非常靈活的進(jìn)行自定義,可以為每個(gè)月中的天指定不同的layout,還可以為每月的行和列(6行7列)指定不同的裝飾器
6、一個(gè)禮拜的第一天并不完全一致,現(xiàn)在支持(SUNDAY、SATURDAY、MONDAY)三種
7、為了在layout的時(shí)候能實(shí)時(shí)的查看具體的顯示樣式,所以提供了editor mode支持,在開(kāi)發(fā)調(diào)試的時(shí)候還是比較方便的
8、支持API+8以上版本

如何使用

在Gradle文件中加入依賴

compile 'com.tubb.calendarselector.library:calendar-selector:0.1.1'

使用MonthView來(lái)顯示月,這個(gè)是我們的自定義View,主要工作是組合顯示某個(gè)月的天數(shù)

<com.tubb.calendarselector.library.MonthView
 android:id="@+id/ssMv"
 android:layout_width="match_parent"
 android:layout_height="300dp"
 sc:sc_firstday_week="sunday"
 sc:sc_draw_monthday_only="false"
 sc:sc_month="2016-3"/>

為了方便,我們提供兩個(gè)工具類來(lái)進(jìn)行日期的選擇功能,SingleMonthSelector用來(lái)進(jìn)行單個(gè)月的選擇,CalendarSelector用來(lái)進(jìn)行多個(gè)連續(xù)月的選擇,
我們也為這兩個(gè)工具類提供了狀態(tài)保持的功能,為了在必要的時(shí)候進(jìn)行狀態(tài)的恢復(fù),給用戶更好一點(diǎn)的體驗(yàn),具體使用可以查看StateSavedActivity

使用SingleMonthSelector

singleMonthSelector.bind(monthView);

使用CalendarSelector (這里有點(diǎn)要注意的是:還不支持ListView,針對(duì)這種情況直接使用RecyclerView好了)

calendarSelector.bind(containerViewGroup, monthView, itemPosition);

我們?yōu)檫@兩個(gè)日期選擇工具類都提供了兩種模式來(lái)支持選擇連續(xù)(SEGMENT)和不連續(xù)(INTERVAL)的一段時(shí)間

SEGMENT MODE

selector = new CalendarSelector(data, CalendarSelector.Mode.SEGMENT);
selector.setSegmentSelectListener(new SegmentSelectListener() {
 @Override
 public void onSegmentSelect(FullDay startDay, FullDay endDay) {
 Log.d(TAG, "segment select " + startDay.toString() + " : " + endDay.toString());
 }

 @Override
 public boolean onInterceptSelect(FullDay selectingDay) { // one day intercept
 if(SCDateUtils.isToday(selectingDay.getYear(), selectingDay.getMonth(), selectingDay.getDay())){
  Toast.makeText(CalendarSelectorActivity.this, "Today can't be selected", Toast.LENGTH_SHORT).show();
  return true;
 }
 return super.onInterceptSelect(selectingDay);
 }

 @Override
 public boolean onInterceptSelect(FullDay startDay, FullDay endDay) { // segment days intercept
 int differDays = SCDateUtils.countDays(startDay.getYear(), startDay.getMonth(), startDay.getDay(),
  endDay.getYear(), endDay.getMonth(), endDay.getDay());
 Log.d(TAG, "differDays " + differDays);
 if(differDays > 10) {
  Toast.makeText(CalendarSelectorActivity.this, "Selected days can't more than 10", Toast.LENGTH_SHORT).show();
  return true;
 }
 return super.onInterceptSelect(startDay, endDay);
 }

 @Override
 public void selectedSameDay(FullDay sameDay) { // selected the same day
 super.selectedSameDay(sameDay);
 }
});

INTERVAL mode

selector = new SingleMonthSelector(CalendarSelector.Mode.INTERVAL);
selector.setIntervalSelectListener(new IntervalSelectListener() {
 @Override
 public void onIntervalSelect(List<FullDay> selectedDays) {
 Log.d(TAG, "interval selected days " + selectedDays.toString());
 }

 @Override
 public boolean onInterceptSelect(List<FullDay> selectedDays, FullDay selectingDay) {
 if(selectedDays.size() >= 5) {
  Toast.makeText(SingleMonthSelectorActivity.this, "Selected days can't more than 5", Toast.LENGTH_LONG).show();
  return true;
 }
 return super.onInterceptSelect(selectedDays, selectingDay);
 }
});

在這兩種模式下我們都提供了選擇事件的攔截功能,這樣就有能力來(lái)實(shí)現(xiàn)一些限制,比如日期長(zhǎng)度的限制、某些特殊日期不可選擇等

具體如何使用可以查看示例程序 SingleMonthSelectorActivity 和 CalendarSelectorActivity

如何自定義

我們?yōu)镸onthView的顯示提供了非常靈活的自定義功能,MonthView本身就是一個(gè)功能完善的自定義View,并且具體某天的顯示都可以在layout文件中配置

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 xmlns:tools="http://schemas.android.com/tools">

 <TextView
 android:id="@+id/tvDay"
 android:layout_width="30dp"
 android:layout_height="30dp"
 android:textSize="@dimen/t_16"
 tools:text="0"
 android:layout_gravity="center"
 android:gravity="center"
 android:textColor="@color/color_dayview_text_selector"
 android:background="@drawable/drawable_custom_dayview_text_bg"
 />

</FrameLayout>

為了比較靈活的實(shí)現(xiàn)上面的自定義功能,我們特意抽象出來(lái)一個(gè)接口DayViewInflater,只要實(shí)現(xiàn)這個(gè)接口,并進(jìn)行相應(yīng)的設(shè)置(MonthView.setSCMonth(scMonth, new CustomDayViewInflater(context)))就行

public class CustomDayViewInflater extends DayViewInflater{

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

 @Override
 public DayViewHolder inflateDayView(ViewGroup container) {
 View dayView = mLayoutInflater.inflate(R.layout.layout_dayview_custom, container, false);
 return new CustomDayViewHolder(dayView);
 }

 public static class CustomDayViewHolder extends DayViewHolder{

 protected TextView tvDay;
 private int mPrevMonthDayTextColor;
 private int mNextMonthDayTextColor;

 public CustomDayViewHolder(View dayView) {
  super(dayView);
  tvDay = (TextView) dayView.findViewById(com.tubb.calendarselector.library.R.id.tvDay);
  mPrevMonthDayTextColor = ContextCompat.getColor(mContext, com.tubb.calendarselector.library.R.color.c_999999);
  mNextMonthDayTextColor = ContextCompat.getColor(mContext, com.tubb.calendarselector.library.R.color.c_999999);
 }

 @Override
 public void setCurrentMonthDayText(FullDay day, boolean isSelected) {
  tvDay.setText(String.valueOf(day.getDay()));
  tvDay.setSelected(isSelected);
 }

 @Override
 public void setPrevMonthDayText(FullDay day) {
  tvDay.setTextColor(mPrevMonthDayTextColor);
  tvDay.setText(String.valueOf(day.getDay()));
 }

 @Override
 public void setNextMonthDayText(FullDay day) {
  tvDay.setTextColor(mNextMonthDayTextColor);
  tvDay.setText(String.valueOf(day.getDay()));
 }

 }
}

既然是日期的選擇,那么會(huì)有兩種狀態(tài)(選中、未選中)之間的切換,我們也把這個(gè)狀態(tài)切換的接口暴露出來(lái)了(DayViewHolder.setCurrentMonthDayText(FullDay day, boolean isSelected)),
這樣我們就可以在狀態(tài)切換的時(shí)候弄些動(dòng)畫(huà)什么的,具體的可以查看AnimDayViewInflater示例程序

@Override
public void setCurrentMonthDayText(FullDay day, boolean isSelected) {
 boolean oldSelected = tvDay.isSelected();
 tvDay.setText(String.valueOf(day.getDay()));
 tvDay.setSelected(isSelected);
 // view selected animation
 if(!oldSelected && isSelected){
 AnimatorSet animatorSet = new AnimatorSet();
 animatorSet.setInterpolator(AnimationUtils.loadInterpolator(mContext, android.R.anim.bounce_interpolator));
 animatorSet.play(ObjectAnimator.ofFloat(tvDay, "scaleX", 0.5f, 1.0f))
  .with(ObjectAnimator.ofFloat(tvDay, "scaleY", 0.5f, 1.0f));
 animatorSet.setDuration(500)
  .start();
 }
}

在有些情況下可能會(huì)為MonthView的行和列加一些裝飾顯得更美觀一點(diǎn),這個(gè)功能我們也是支持的,具體如何實(shí)現(xiàn)可以查看 DecorDayViewInflater示例程序

@Override
public Decor inflateHorizontalDecor(ViewGroup container, int row, int totalRow) {
 return new Decor(mLayoutInflater.inflate(R.layout.view_horizontal_decor, container, false), true);
}

@Override
public Decor inflateVerticalDecor(ViewGroup container, int col, int totalCol) {
 return new Decor(mLayoutInflater.inflate(R.layout.view_vertical_decor, container, false), true);
}

我們還為 MonthView提供了一些自定的屬性,比如只顯示本月的日期、指定一個(gè)星期的哪天為第一天,還有一些為開(kāi)發(fā)調(diào)試時(shí)候方便而加入的屬性等

<resources>
 <declare-styleable name="MonthView">
 <!-- only draw the month day, or not, default is false -->
 <attr name="sc_draw_monthday_only" format="boolean"/>
 <!-- start day of a week, we support (sunday、monday and saturday) -->
 <attr name="sc_firstday_week" format="enum">
  <enum name="sunday" value="1"/>
  <enum name="monday" value="2"/>
  <enum name="saturday" value="7"/>
 </attr>

 <!-- editor mode only -->
 <!-- test selected days (format:1,2,3,4) -->
 <attr name="sc_selected_days" format="string"/>
 <!-- test month (format:2016-3) -->
 <attr name="sc_month" format="string"/>
 </declare-styleable>
</resources>

以上就是本文的全部?jī)?nèi)容,希望對(duì)大家學(xué)習(xí)Android軟件編程有所幫助。

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