package?com.xj.hpqq.huopinquanqiu.widget.flowtaglayout;

import?android.content.Context;
import?android.database.DataSetObserver;
import?android.util.AttributeSet;
import?android.util.SparseBooleanArray;
import?android.view.View;
import?android.view.ViewGroup;
import?android.widget.ListAdapter;

import?java.util.ArrayList;
import?java.util.Arrays;
import?java.util.List;

/**
?*?流式標簽布局
?*?原理：重寫{@link?ViewGroup#onMeasure（int?int）}
?*?和{@link?ViewGroup#onLayout（boolean?int?int?int?int）}
?*?方法
?*?Created?by?HanHailong?on?15/10/19.
?*/
public?class?FlowTagLayout?extends?ViewGroup?{

????private?static?final?String?TAG?=?FlowTagLayout.class.getSimpleName（）;

????/**
?????*?FlowLayout?not?support?checked
?????*/
????public?static?final?int?FLOW_TAG_CHECKED_NONE?=?0;
????/**
?????*?FlowLayout?support?single-select
?????*/
????public?static?final?int?FLOW_TAG_CHECKED_SINGLE?=?1;
????/**
?????*?FlowLayout?support?multi-select
?????*/
????public?static?final?int?FLOW_TAG_CHECKED_MULTI?=?2;

????/**
?????*?Should?be?used?by?subclasses?to?listen?to?changes?in?the?dataset
?????*/
????AdapterDataSetObserver?mDataSetObserver;

????/**
?????*?The?adapter?containing?the?data?to?be?displayed?by?this?view
?????*/
????ListAdapter?mAdapter;

????/**
?????*?the?tag?click?event?callback
?????*/
????OnTagClickListener?mOnTagClickListener;

????/**
?????*?the?tag?select?event?callback
?????*/
????OnTagSelectListener?mOnTagSelectListener;

????/**
?????*?標簽流式布局選中模式，默認是不支持選中的
?????*/
????private?int?mTagCheckMode?=?FLOW_TAG_CHECKED_NONE;

????/**
?????*?存儲選中的tag
?????*/
????private?SparseBooleanArray?mCheckedTagArray?=?new?SparseBooleanArray（）;

????public?FlowTagLayout（Context?context）?{
????????super（context）;
????}

????public?FlowTagLayout（Context?context?AttributeSet?attrs）?{
????????super（context?attrs）;
????}

????public?FlowTagLayout（Context?context?AttributeSet?attrs?int?defstyleAttr）?{
????????super（context?attrs?defstyleAttr）;
????}

????@Override
????protected?void?onMeasure（int?widthMeasureSpec?int?heightMeasureSpec）?{
????????super.onMeasure（widthMeasureSpec?heightMeasureSpec）;

????????//獲取Padding
????????//?獲得它的父容器為它設置的測量模式和大小
????????int?sizeWidth?=?MeasureSpec.getSize（widthMeasureSpec）;
????????int?sizeHeight?=?MeasureSpec.getSize（heightMeasureSpec）;
????????int?modeWidth?=?MeasureSpec.getMode（widthMeasureSpec）;
????????int?modeHeight?=?MeasureSpec.getMode（heightMeasureSpec）;

????????//FlowLayout最終的寬度和高度值
????????int?resultWidth?=?0;
????????int?resultHeight?=?0;

????????//測量時每一行的寬度
????????int?lineWidth?=?0;
????????//測量時每一行的高度，加起來就是FlowLayout的高度
????????int?lineHeight?=?0;

????????//遍歷每個子元素
????????for?（int?i?=?0?childCount?=?getChildCount（）;?i?????????????View?childView?=?getChildAt（i）;
????????????//測量每一個子view的寬和高
????????????measureChild（childView?widthMeasureSpec?heightMeasureSpec）;

????????????//獲取到測量的寬和高
????????????int?childWidth?=?childView.getMeasuredWidth（）;
????????????int?childHeight?=?childView.getMea

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????12194??2017-12-29?17:00??flowtaglayout\FlowTagLayout.java

?????文件????????193??2017-12-28?13:26??flowtaglayout\OnInitSelectedPosition.java

?????文件????????239??2017-12-28?13:26??flowtaglayout\OnTagClickListener.java

?????文件????????241??2017-12-28?13:26??flowtaglayout\OnTagSelectListener.java

?????目錄??????????0??2018-06-13?14:28??flowtaglayout

-----------?---------??----------?-----??----

????????????????12867????????????????????5