package?com.zcmp.ui;

import?android.content.Context;
import?android.util.AttributeSet;
import?android.util.Log;
import?android.view.View;
import?android.widget.LinearLayout;

import?java.util.Hashtable;

/**
?*?自動換行的LinearLayout
?*?Created?by?wangxuan?on?2015/11/24.
?*/
public?class?AutoNextLineLinearlayout?extends?LinearLayout?{
????int?mLeft?mRight?mTop?mBottom;
????Hashtable?map?=?new?Hashtable（）;

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

????public?AutoNextLineLinearlayout（Context?context?int?horizontalSpacing?int?verticalSpacing）?{
????????super（context）;
????}

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

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

????????int?mWidth?=?MeasureSpec.getSize（widthMeasureSpec）;
????????int?mCount?=?getChildCount（）;
????????int?mX?=?0;
????????int?mY?=?0;
????????mLeft?=?0;
????????mRight?=?0;
????????mTop?=?5;
????????mBottom?=?0;

????????int?j?=?0;

????????View?lastview?=?null;
????????for?（int?i?=?0;?i?????????????final?View?child?=?getChildAt（i）;

????????????child.measure（MeasureSpec.UNSPECIFIED?MeasureSpec.UNSPECIFIED）;
//?此處增加onlayout中的換行判斷，用于計算所需的高度
????????????int?childw?=?child.getMeasuredWidth（）;
????????????int?childh?=?child.getMeasuredHeight（）;
????????????mX?+=?childw;?//?將每次子控件寬度進行統(tǒng)計疊加，如果大于設定的高度則需要換行，高度即Top坐標也需重新設置

????????????Position?position?=?new?Position（）;
????????????mLeft?=?getPosition（i-j?i）;
????????????mRight?=?mLeft?+?child.getMeasuredWidth（）;
????????????if?（mX?>=?mWidth）?{
????????????????mX?=?childw;
????????????????mY?+=?childh;
????????????????j?=?i;
????????????????mLeft?=?0;
????????????????mRight?=?mLeft?+?child.getMeasuredWidth（）;
????????????????mTop?=?mY?+?5;
//?PS：如果發(fā)現(xiàn)高度還是有問題就得自己再細調了
????????????}
????????????mBottom?=?mTop?+?child.getMeasuredHeight（）;
????????????mY?=?mTop;?//?每次的高度必須記錄?否則控件會疊加到一起
????????????position.left?=?mLeft;
????????????position.top?=?mTop?+?3;
????????????position.right?=?mRight;
????????????position.bottom?=?mBottom;
????????????map.put（child?position）;
????????}
????????setMeasuredDimension（mWidth?mBottom）;
????}

????@Override
????protected?LayoutParams?generateDefaultLayoutParams（）?{
????????return?new?LayoutParams（0?0）;?//?default?of?1px?spacing
????}

????@Override
????protected?void?onLayout（boolean?changed?int?l?int?t?int?r?int?b）?{

????????int?count?=?getChildCount（）;
????????for?（int?i?=?0;?i?????????????View?child?=?getChildAt（i）;
????????????Position?pos?=?（Position）?map.get（child）;
????????????if?（pos?!=?null）?{
????????????????child.layout（pos.left?pos.top?pos.right?pos.bottom）;
????????????}?else?{
????????????????Log.i（“MyLayout“?“error“）;
????????????}
????????}
????}

????private?class?Position?{
????????int?left?top?ri

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-11-24?13:44??自動換行的LinearLayout\
?????文件????????3496??2015-11-24?13:39??自動換行的LinearLayout\AutoNextLineLinearlayout.java
?????文件?????????128??2015-11-24?13:44??自動換行的LinearLayout\用法.txt