LabelFlowlayout

增加BaseLabelItem，增加Header，可实现换行

Author: Zzhengsr

.idea/misc.xml

@@ -184,7 +184,12 @@ bean.showMoreColor = Color.WHITE;
 flowLayout.setLabelBean(bean);
 ```
 
-### 3.3.7参考代码：
+### 3.3.7 主动换行
+
+你可能想有个 Header 换行，然后再显示不同的数据，这个时候，需要你的数据类继承 BaseLabelItem，把 isHeader 设置为ture，
+即可实现自动换行。
+
+### 参考代码：
 
 [布局代码](https://github.com/LillteZheng/FlowHelper/blob/master/app/src/main/res/layout/activity_label.xml)
 

Label_README.md

@@ -144,6 +144,7 @@ implementation 'com.github.LillteZheng:FlowHelper:v2.3'
 
 
 ## 版本信息：
+-  v2.4  : 修复TabLabelLayout 在调用 resetStatus，第一个无法点击的问题。并增加 BaseLabelItem,Bean 类继承它，可实现换行
 -  v2.3  : 修改TabVpFlowLayout 快速点击时,TabColorTextView 还有残留，和 tab 没有转移过去的问题
 -  v2.0  : 内置部分控件，减少接入成本，并优化一些bug，和关闭demo ，viewpager 内存泄露的问题
 -  v1.37 : 增加 tab_width_equals_text ，让 rect 根据 text 的长度变化，修复 TabColorTextView 加粗不起作用的问题

README.md

@@ -32,7 +32,6 @@ protected void onCreate(Bundle savedInstanceState) {
         setContentView(R.layout.activity_main);
         TextView textView = findViewById(R.id.text);
         textView.setTextColor(getResources().getColor(R.color.color_selector));
-
     }
 
 

appx/src/main/java/com/zhengsr/tabhelper/MainActivity.java

@@ -1,14 +1,17 @@
 package com.zhengsr.tabhelper.activity;
 
 import android.graphics.Color;
+import android.icu.text.CaseMap;
 import android.os.Bundle;
+import android.service.quicksettings.Tile;
 import android.view.View;
 import android.widget.Toast;
 
 import androidx.appcompat.app.AppCompatActivity;
 
 import com.zhengsr.tabhelper.CommonUtils;
 import com.zhengsr.tabhelper.R;
+import com.zhengsr.tablib.bean.BaseLabelItem;
 import com.zhengsr.tablib.view.adapter.LabelFlowAdapter;
 import com.zhengsr.tablib.view.flow.LabelFlowLayout;
 
@@ -31,14 +34,25 @@ protected void onCreate(Bundle savedInstanceState) {
 
     private void singleFlow(){
         LabelFlowLayout flowLayout = findViewById(R.id.singleflow);
+        List<SingleBean> datas = new ArrayList();
+        for (int i = 0; i < mTitle.size(); i++) {
+            SingleBean bean = new SingleBean();
+            bean.name = mTitle.get(i);
+            if (i == 0 || i == 3){
+                bean.isHeader = true;
+                bean.name = "Header";
+            }
+            datas.add(bean);
+        }
         final LabelFlowAdapter adapter;
-        flowLayout.setAdapter(adapter = new LabelFlowAdapter<String>(R.layout.item_textview,mTitle) {
+        flowLayout.setAdapter(adapter = new LabelFlowAdapter<SingleBean>(R.layout.item_textview,datas) {
             @Override
-            public void bindView(View view, String data, int position) {
-                setText(view, R.id.item_text,data)
+            public void bindView(View view, SingleBean data, int position) {
+                setText(view, R.id.item_text,data.name)
                         . setTextColor(view, R.id.item_text,getResources().getColor(R.color.unselect));
             }
 
+
             @Override
             public void onItemSelectState(View view, boolean isSelected) {
                 super.onItemSelectState(view, isSelected);
@@ -63,6 +77,9 @@ public void onClick(View view) {
 
     }
 
+    class SingleBean extends BaseLabelItem{
+        public String name;
+    }
 
     private void searchFlow(){
         LabelFlowLayout flowLayout = findViewById(R.id.search_flow);
@@ -151,4 +168,7 @@ public boolean onItemLongClick(View view,int position) {
     }
 
 
+    public void test(View view) {
+
+    }
 }

appx/src/main/java/com/zhengsr/tabhelper/activity/LabelActivity.java

@@ -86,6 +86,12 @@
             android:layout_marginTop="5dp"
             android:layout_marginBottom="10dp"
             app:label_maxSelectCount="3" />
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:onClick="test"
+            android:text="测试"/>
     </LinearLayout>
 
 </ScrollView>

appx/src/main/res/layout/activity_label.xml

@@ -0,0 +1,9 @@
+package com.zhengsr.tablib.bean;
+
+/**
+ * @author by zhengshaorui 2023/3/29
+ * describe：Label
+ */
+public class BaseLabelItem {
+    public boolean isHeader;
+}

tablibx/src/main/java/com/zhengsr/tablib/bean/BaseLabelItem.java

@@ -29,12 +29,11 @@
  * @auther by zhengshaorui on 2020/1/8
  * describe: 标签瀑布流布局，支持单选，多选
  */
-public class LabelFlowLayout extends ScrollFlowLayout {
+public class LabelFlowLayout extends ScrollFlowLayout<LabelFlowAdapter> {
     private static final String TAG = "LabelFlowLayout";
     /**
      * logic
      */
-    private LabelFlowAdapter mAdapter;
     private int mMaxSelectCount;
     private int mLastPosition = -1;
     private boolean isHasMoreView;
@@ -431,7 +430,6 @@ public void setAutoScroll(boolean autoScroll) {
     }
 
 
-
     /**
      * 设置自定义属性
      *

tablibx/src/main/java/com/zhengsr/tablib/view/flow/LabelFlowLayout.java

@@ -43,7 +43,7 @@
  * @author by zhengshaorui 2021/5/23 06:40
  * describe：用来获取通用的自定义属性，和一些常用的配置
  */
-public class AbsFlowLayout extends ScrollFlowLayout {
+public class AbsFlowLayout extends ScrollFlowLayout<TabFlowAdapter> {
     private static final String TAG = AbsFlowLayout.class.getSimpleName();
     /**
      * attrs
@@ -55,7 +55,6 @@ public class AbsFlowLayout extends ScrollFlowLayout {
      */
     protected BaseAction mAction;
     private TabConfig mTabConfig;
-    protected TabFlowAdapter mAdapter;
     protected Scroller mScroller;
     protected int mLastScrollPos = 0;
     protected int mLastIndex = 0;

tablibx/src/main/java/com/zhengsr/tablib/view/flow/base/AbsFlowLayout.java

@@ -10,6 +10,8 @@
 import androidx.annotation.Nullable;
 
 import com.zhengsr.tablib.FlowConstants;
+import com.zhengsr.tablib.bean.BaseLabelItem;
+import com.zhengsr.tablib.view.adapter.BaseFlowAdapter;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -18,7 +20,7 @@
  * @author by  zhengshaorui on 2019/10/8
  * Describe: 瀑布流布局,这个类只用来测量子控件，不做其他操作
  */
-class FlowLayout extends ViewGroup {
+class FlowLayout<T extends BaseFlowAdapter> extends ViewGroup {
     private static final String TAG = "FlowLayout";
     protected int mViewWidth;
     protected int mViewHeight;
@@ -35,6 +37,7 @@ class FlowLayout extends ViewGroup {
     private int mLabelLines = -1;
     private boolean isLabelMoreLine;
     protected int mLineWidth;
+    protected T mAdapter;
 
     public FlowLayout(Context context) {
         this(context, null);
@@ -162,7 +165,7 @@ private void measureTabHorizontal(int widthMeasureSpec, int heightMeasureSpec) {
         int widthPixels = getResources().getDisplayMetrics().widthPixels;
         if (MeasureSpec.EXACTLY == widthMode) {
             widthPixels = widthSize;
-        }else {
+        } else {
             if (mVisibleCount != -1) {
                 MarginLayoutParams parentParams = (MarginLayoutParams) getLayoutParams();
                 widthPixels -= (getPaddingStart() + getPaddingEnd() + parentParams.leftMargin + parentParams.rightMargin);
@@ -271,9 +274,11 @@ private void measureVertical(int widthMeasureSpec, int heightMeasureSpec) {
             /**
              * 确定是否换行
              */
+            boolean isFull = lineWidth + cWidth > (widthSize - (getPaddingLeft() + getPaddingRight()));
+            boolean isHeader = isHeader(i);
 
-            if (lineWidth + cWidth > (widthSize - (getPaddingLeft() + getPaddingRight()))) {
 
+            if (isFull) {
                 //换行
                 height += lineHeight;
 
@@ -297,10 +302,32 @@ private void measureVertical(int widthMeasureSpec, int heightMeasureSpec) {
 
             } else {
                 //未换行
+                if (isHeader) {
+                    //查看上一个
+                    if (i > 0 && getChildAt(i - 1) != null) {
+                        //// 如果当前子视图是头部视图，并且上一个子视图不为空，则另起一行
+                        height += lineHeight;
+                        mLineHeights.add(lineHeight);
+                        mAllViews.add(lineViews);
+                        lineViews = new ArrayList<>();
+                    }
+                }
                 lineWidth += cWidth;
                 lineHeight = Math.max(lineHeight, cHeight);
                 mLineWidth = Math.max(mLineWidth, lineWidth);
                 lineViews.add(child);
+
+                if (isHeader) {
+                    //换行
+                    height += lineHeight;
+
+
+                    mLineHeights.add(lineHeight);
+                    mAllViews.add(lineViews);
+                    lineViews = new ArrayList<>();
+                }
+
+
             }
 
             //加最后一行
@@ -408,6 +435,15 @@ public boolean isVerticalMove() {
         return isVertical() || isLabelFlow();
     }
 
+    private boolean isHeader(int index) {
+        if (mAdapter != null && mAdapter.getDatas() != null) {
+            Object bean = mAdapter.getDatas().get(index);
+            if (bean instanceof BaseLabelItem) {
+                return ((BaseLabelItem) bean).isHeader;
+            }
+        }
+        return false;
+    }
 
     public boolean isLabelMoreLine() {
         return isLabelMoreLine;