68069 【企业app-android】我的评论列表记录超过两行显示效果不正确

hbhbcompany/src/main/java/com/xx/hbhbcompany/activity/adapter/MyCommentListAdapter.java

@@ -4,8 +4,18 @@ package com.xx.hbhbcompany.activity.adapter;
 import static com.xx.hbhbcompany.utils.RetrofitClient.baseImgUrl;
 
 import android.content.Context;
+import android.text.Layout;
+import android.text.SpannableString;
+import android.text.SpannableStringBuilder;
+import android.text.Spanned;
+import android.text.StaticLayout;
+import android.text.TextUtils;
+import android.text.style.AlignmentSpan;
+import android.text.style.ForegroundColorSpan;
 import android.util.Log;
 import android.view.View;
+import android.view.ViewTreeObserver;
+import android.widget.TextView;
 
 import com.bumptech.glide.Glide;
 import com.bumptech.glide.load.resource.bitmap.RoundedCorners;
@@ -14,6 +24,7 @@ import com.xx.hbhbcompany.R;
 import com.xx.hbhbcompany.data.http.respons.MyCommentBean;
 import com.xx.hbhbcompany.data.staticdata.StaticData;
 import com.xx.hbhbcompany.databinding.ItemCommentListBinding;
+import com.xx.hbhbcompany.ui.comment.ExpandTextView;
 import com.xx.xxviewlibrary.base.xxBaseRecyclerViewAdapter;
 
 import me.jessyan.autosize.utils.AutoSizeUtils;
@@ -32,6 +43,9 @@ public class MyCommentListAdapter extends xxBaseRecyclerViewAdapter<ItemCommentL
 
     @Override
     protected void covert(ItemCommentListBinding dataBind, MyCommentBean data, int position) {
+        ExpandTextView ex = new ExpandTextView(mContext)
+                .setMaxLine(2);
+        ex.show(dataBind.tvCommentContent, data.getCommentContent());
         //   将接口调出来的布局遍历上去
         dataBind.setMyCommentBean(data);
         Log.v("评论列表的重要信息:", String.valueOf(data));
@@ -49,5 +63,7 @@ public class MyCommentListAdapter extends xxBaseRecyclerViewAdapter<ItemCommentL
             /*隐藏删除按钮*/
             dataBind.ivAapDelete.setVisibility(View.GONE);
         }
+
+
     }
-}
+}
\ No newline at end of file

hbhbcompany/src/main/java/com/xx/hbhbcompany/ui/comment/ExpandTextView.kt

+package com.xx.hbhbcompany.ui.comment
+
+import android.content.Context
+import android.graphics.Color
+import android.text.Layout
+import android.text.SpannableString
+import android.text.Spanned
+import android.text.StaticLayout
+import android.text.style.ForegroundColorSpan
+import android.widget.TextView
+import com.xx.hbhbcompany.R
+
+class ExpandTextView(var context: Context) {
+
+    // 默认展示行数，超过多少行隐藏
+    private var maxLine: Int = 2
+
+    // 文本左右边距总合
+    private var margin: Int = 0
+
+    // 展开、收起文本颜色
+    private var colorStr: String = "#5971A4"
+
+    // 展开显示文本
+    private var expandStr: String = "【展开更多】"
+
+    // 收起显示文本
+    private var foldStr: String = "【收起】"
+
+    fun setMaxLine(maxLine: Int): ExpandTextView {
+        this.maxLine = maxLine
+        return this
+    }
+
+    fun setMargin(margin: Int): ExpandTextView {
+        this.margin = margin
+        return this
+    }
+
+    fun setColorStr(colorStr: String): ExpandTextView {
+        this.colorStr = colorStr
+        return this
+    }
+
+    fun setFoldStr(foldStr: String): ExpandTextView {
+        this.foldStr = foldStr
+        return this
+    }
+
+    fun setExpandStr(expandStr: String): ExpandTextView {
+        this.expandStr = expandStr
+        return this
+    }
+
+    fun show(expandTextView: TextView, content: String) {
+
+        // 裁剪函数来去除前导空格
+        expandTextView.text = content.trimIndent()
+
+        // 获取TextView的画笔对象
+        val paint = expandTextView.paint
+
+        // 每行文本布局宽度: 屏幕宽度 - 左右边距
+        val width = context.resources.displayMetrics.widthPixels - context.resources.getDimension(R.dimen.fab_margin).toInt()
+
+        val fontColor = ForegroundColorSpan(Color.parseColor(colorStr))
+        // 实例化StaticLayout
+        val staticLayout = StaticLayout(content, paint, width, Layout.Alignment.ALIGN_NORMAL, 1f, 0f, false)
+        // 判断content行数是否超过最大限制行数
+        if (staticLayout.lineCount > maxLine) {
+            /**
+             * 展开后的文本内容
+             */
+            val str = ("$content\t\t$foldStr")
+            val expandSpanStr = SpannableString(str)
+            expandSpanStr.setSpan(fontColor, str.length - 6, str.length, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
+            //获取最后一个文字的下标
+            val index = staticLayout.getLineStart(maxLine) - 1
+
+            /**
+             * 收起后的文本内容
+             */
+            val str2 = ("${content.substring(0, index - 6)}...$expandStr")
+            val foldSpanStr = SpannableString(str2)
+            foldSpanStr.setSpan(fontColor, str2.length - 6, str2.length, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
+            //设置收起后的文本内容
+            expandTextView.text = foldSpanStr
+            expandTextView.setOnClickListener {
+                if (expandTextView.isSelected) { //收起的状态
+                    expandTextView.text = expandSpanStr
+                    expandTextView.isSelected = false
+                } else { //展开的状态
+                    expandTextView.text = foldSpanStr
+                    expandTextView.isSelected = true
+                }
+            }
+            //设成选中状态 true收起状态,false展示状态
+            expandTextView.isSelected = true
+        } else {
+            //未超过最大限制行数，直接设置文本
+            expandTextView.text = content
+            expandTextView.setOnClickListener(null)
+        }
+    }
+}
\ No newline at end of file

hbhbcompany/src/main/java/com/xx/hbhbcompany/ui/comment/MyCommentViewModel.java

 package com.xx.hbhbcompany.ui.comment;
 
 import android.app.Application;
+import android.view.View;
+import android.widget.TextView;
 
 import androidx.annotation.NonNull;
 import androidx.lifecycle.MutableLiveData;
@@ -39,7 +41,7 @@ public class MyCommentViewModel extends ListBaseViewModel<MyCommentRequest> {
 
     //调用我的评论列表接口信息
     public void getMyCommentList() {
-        model.getMyCommentList(status,page)
+        model.getMyCommentList(status, page)
                 .compose(RxUtils.schedulersTransformer()) //线程调度
                 .doOnSubscribe(MyCommentViewModel.this)
                 .doOnSubscribe(new Consumer<Disposable>() {
@@ -62,18 +64,19 @@ public class MyCommentViewModel extends ListBaseViewModel<MyCommentRequest> {
                     public void onError(String Error) {
                         dismissDialog();
                     }
+
                     @Override
                     public void getTotal(int total) {
-                        if (total==0)
-                        {
+                        if (total == 0) {
                             loadMoreStatic.postValue(3);
-                        }else if (myCommentListAdapter.mList.size()>=total)
-                        {
+                        } else if (myCommentListAdapter.mList.size() >= total) {
                             loadMoreStatic.postValue(2);
-                        }else {
+                        } else {
                             loadMoreStatic.postValue(1);
                         }
                     }
                 });
     }
+
+
 }

hbhbcompany/src/main/res/layout/item_comment_list.xml

@@ -51,18 +51,18 @@
             </LinearLayout>
             <!--评论内容-->
             <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <TextView
+                android:id="@+id/tv_comment_content"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:orientation="horizontal">
-
-                <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:gravity="left"
-                    android:text="@={myCommentBean.commentContent}"
-                    android:textColor="#333333"
-                    android:textSize="16dp" />
-            </LinearLayout>
+                android:text="@={myCommentBean.commentContent}"
+                android:textColor="#333333"
+                android:textSize="16dp" />
+        </LinearLayout>
         </LinearLayout>
         <!--评论封面.标题-->
         <LinearLayout