Android实现朋友圈评论回复列表

public class commentsview extends linearlayout {

 private context mcontext;
 private list<commentsbean> mdatas;
 private onitemclicklistener listener;

 public commentsview(context context) {
  this(context, null);
 }

 public commentsview(context context, @nullable attributeset attrs) {
  this(context, attrs, 0);
 }

 public commentsview(context context, @nullable attributeset attrs, int defstyleattr) {
  super(context, attrs, defstyleattr);
  setorientation(vertical);
  this.mcontext = context;
 }

 /**
  * 设置评论列表信息
  *
  * @param list
  */
 public void setlist(list<commentsbean> list) {
  mdatas = list;
 }

 public void setonitemclicklistener(onitemclicklistener listener) {
  this.listener = listener;
 }

 public void notifydatasetchanged() {
  removeallviews();
  if (mdatas == null || mdatas.size() <= 0) {
   return;
  }
  layoutparams layoutparams = new layoutparams(layoutparams.match_parent, layoutparams.wrap_content);
  layoutparams.setmargins(0, 10, 0, 10);
  for (int i = 0; i < mdatas.size(); i++) {
   view view = getview(i);
   if (view == null) {
    throw new nullpointerexception("listview item layout is null, please check getview()...");
   }
   addview(view, i, layoutparams);
  }
 }

 private view getview(final int position) {
  final commentsbean item = mdatas.get(position);
  userbean replyuser = item.getreplyuser();
  boolean hasreply = false; // 是否有回复
  if (replyuser != null) {
   hasreply = true;
  }
  textview textview = new textview(mcontext);
  textview.settextsize(15);
  textview.settextcolor(0xff686868);

  spannablestringbuilder builder = new spannablestringbuilder();
  userbean comuser = item.getcommentsuser();
  string name = comuser.getusername();
  if (hasreply) {
   builder.append(setclickablespan(name, item.getcommentsuser()));
   builder.append(" 回复 ");
   builder.append(setclickablespan(replyuser.getusername(), item.getreplyuser()));

  } else {
   builder.append(setclickablespan(name, item.getcommentsuser()));
  }
  builder.append(" : ");
  builder.append(setclickablespancontent(item.getcontent(), position));
  textview.settext(builder);
  // 设置点击背景色
  textview.sethighlightcolor(getresources().getcolor(android.r.color.transparent));
//  textview.sethighlightcolor(0xff000000);

  textview.setmovementmethod(new circlemovementmethod(0xffcccccc, 0xffcccccc));

  textview.setonclicklistener(new onclicklistener() {
   @override
   public void onclick(view v) {
    if (listener != null) {
     listener.onitemclick(position, item);
    }
   }
  });

  return textview;
 }

 /**
  * 设置评论内容点击事件
  *
  * @param item
  * @param position
  * @return
  */
 public spannablestring setclickablespancontent(final string item, final int position) {
  final spannablestring string = new spannablestring(item);
  clickablespan span = new clickablespan() {
   @override
   public void onclick(view widget) {
    // todo: 2017/9/3 评论内容点击事件
    toast.maketext(mcontext, "position: " + position + " , content: " + item, toast.length_short).show();
   }

   @override
   public void updatedrawstate(textpaint ds) {
    super.updatedrawstate(ds);
    // 设置显示的内容文本颜色
    ds.setcolor(0xff686868);
    ds.setunderlinetext(false);
   }
  };
  string.setspan(span, 0, string.length(), spannable.span_exclusive_exclusive);
  return string;
 }

 /**
  * 设置评论用户名字点击事件
  *
  * @param item
  * @param bean
  * @return
  */
 public spannablestring setclickablespan(final string item, final userbean bean) {
  final spannablestring string = new spannablestring(item);
  clickablespan span = new clickablespan() {
   @override
   public void onclick(view widget) {
    // todo: 2017/9/3 评论用户名字点击事件
    toast.maketext(mcontext, bean.getusername(), toast.length_short).show();
   }

   @override
   public void updatedrawstate(textpaint ds) {
    super.updatedrawstate(ds);
    // 设置显示的用户名文本颜色
    ds.setcolor(0xff387dcc);
    ds.setunderlinetext(false);
   }
  };

  string.setspan(span, 0, string.length(), spannable.span_exclusive_exclusive);
  return string;
 }

 /**
  * 定义一个用于回调的接口
  */
 public interface onitemclicklistener {
  void onitemclick(int position, commentsbean bean);
 }
}

public class circlemovementmethod extends basemovementmethod {
 private final static int default_color_id = android.r.color.transparent;
 /**
  * 整个textview的背景色
  */
 private int textviewbgcolor;
 /**
  * 点击部分文字时部分文字的背景色
  */
 private int clickablespanbgclor;

 private backgroundcolorspan mbgspan;
 private clickablespan[] mclicklinks;


 /**
  * @param clickablespanbgclor 点击选中部分时的背景色
  */
 public circlemovementmethod(int clickablespanbgclor) {
  this.clickablespanbgclor = clickablespanbgclor;
 }

 /**
  * @param clickablespanbgclor 点击选中部分时的背景色
  * @param textviewbgcolor  整个textview点击时的背景色
  */
 public circlemovementmethod(int clickablespanbgclor, int textviewbgcolor) {
  this.textviewbgcolor = textviewbgcolor;
  this.clickablespanbgclor = clickablespanbgclor;
 }

 public boolean ontouchevent(textview widget, spannable buffer,
        motionevent event) {

  int action = event.getaction();
  if (action == motionevent.action_down) {
   int x = (int) event.getx();
   int y = (int) event.gety();

   x -= widget.gettotalpaddingleft();
   y -= widget.gettotalpaddingtop();

   x += widget.getscrollx();
   y += widget.getscrolly();

   layout layout = widget.getlayout();
   int line = layout.getlineforvertical(y);
   int off = layout.getoffsetforhorizontal(line, x);

   mclicklinks = buffer.getspans(off, off, clickablespan.class);
   if (mclicklinks.length > 0) {
    // 点击的是span区域，不要把点击事件传递
    selection.setselection(buffer,
      buffer.getspanstart(mclicklinks[0]),
      buffer.getspanend(mclicklinks[0]));
    //设置点击区域的背景色
    mbgspan = new backgroundcolorspan(clickablespanbgclor);
    buffer.setspan(mbgspan,
      buffer.getspanstart(mclicklinks[0]),
      buffer.getspanend(mclicklinks[0]),
      spannable.span_exclusive_exclusive);
   } else {
    // textview选中效果
//    widget.setbackgroundcolor(textviewbgcolor);
    widget.setbackgroundresource(default_color_id);
   }

  } else if (action == motionevent.action_up) {
   if (mclicklinks.length > 0) {
    mclicklinks[0].onclick(widget);
    if (mbgspan != null) {//移除点击时设置的背景span
     buffer.removespan(mbgspan);
    }
   } else {

   }
   selection.removeselection(buffer);
   widget.setbackgroundresource(default_color_id);
  } else if (action == motionevent.action_move) {
   //这种情况不用做处理
  } else {
   if (mbgspan != null) {//移除点击时设置的背景span
    buffer.removespan(mbgspan);
   }
   widget.setbackgroundresource(default_color_id);
  }
  return touch.ontouchevent(widget, buffer, event);
 }
}

public class commentsbean implements serializable {
 private int commentsid;
 private string content;
 private userbean replyuser; // 回复人信息
 private userbean commentsuser; // 评论人信息

 public int getcommentsid() {
  return commentsid;
 }

 public void setcommentsid(int commentsid) {
  this.commentsid = commentsid;
 }

 public string getcontent() {
  return content;
 }

 public void setcontent(string content) {
  this.content = content;
 }

 public userbean getreplyuser() {
  return replyuser;
 }

 public void setreplyuser(userbean replyuser) {
  this.replyuser = replyuser;
 }

 public userbean getcommentsuser() {
  return commentsuser;
 }

 public void setcommentsuser(userbean commentsuser) {
  this.commentsuser = commentsuser;
 }
}

public class userbean implements serializable {
 private int userid;
 private string username;

 public int getuserid() {
  return userid;
 }

 public void setuserid(int userid) {
  this.userid = userid;
 }

 public string getusername() {
  return username;
 }

 public void setusername(string username) {
  this.username = username;
 }
}

<com.lvfq.myworkingtest.dynamic.view.commentsview
  android:id="@+id/commentview"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:layout_margin="@dimen/dp_20" />

commentview = lvv.find(this, r.id.commentview);
commentview.setlist(data.getcomments());
commentview.setonitemclicklistener(new commentsview.onitemclicklistener() {
 @override
 public void onitemclick(int position, commentsbean bean) {

 }
});
commentview.notifydatasetchanged();