我创建了一个包含多个数据和一个倒数计时器的回收 View 。所有的事情都正常工作,直到我无法滚动列表。当我向下滚动列表时,倒数计时器将与上面的 View 项目冲突。它也计算当前观看时间和随机时间。我尝试了太多的事情来解决它但无法解决。请帮帮我。提前致谢 。
这是我的 RecyclerAdapter 的代码。
public class ReferendumQuestionAdapter extends RecyclerView.Adapter<ReferendumQuestionAdapter.MyViewHolder> {
List<QuestionsModel.QuestionsData> questionBeen = new ArrayList<>();
List<QuestionsModel.LikedImages> likedImagesList = new ArrayList<>();
Activity activity;
boolean channerlView = false;
OnViewClick onViewClick ;
AppPreference preference;
CustomDialog customDialog;
AdminAPI adminAPI;
ReferendumImagesAdapter imagesRecycleViewAdapter;
List<CommentModel.GetCommentData> commentDataList = new ArrayList<>();
CommentViewAdapter commentViewAdapter;
public ReferendumQuestionAdapter(List<QuestionsModel.QuestionsData> questionBeen, Activity activity, boolean channerlView , OnViewClick onViewClick) {
this.questionBeen = questionBeen;
this.activity = activity;
this.channerlView = channerlView;
this.onViewClick = onViewClick ;
this.preference = new AppPreference(activity);
this.customDialog = new CustomDialog(activity);
this.adminAPI = ServiceGenerator.getAPIClass();
}
@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View itemView = LayoutInflater.from(parent.getContext())
.inflate(R.layout.layout_referendum_question, parent, false);
return new MyViewHolder(itemView);
}
@Override
public void onBindViewHolder(final MyViewHolder holder, final int position) {
holder.txtQuestion.setText(questionBeen.get(position).getRef_question());
holder.txt_channelName.setText(questionBeen.get(position).getPost_by());
holder.txt_userName.setText(questionBeen.get(position).getNews_channel_name());
holder.txt_views.setText(questionBeen.get(position).getTotal_view() + " View ");
holder.txt_comments.setText(questionBeen.get(position).getTotal_comment() + " Comment");
holder.txt_referendums.setText(questionBeen.get(position).getTotal_like() + " Referendum ");
String getUserName = holder.txt_userName.getText().toString().trim();
if(getUserName==null || getUserName.isEmpty()){
holder.txt_userName.setVisibility(View.GONE);
}
String channelImageURL = questionBeen.get(position).getPost_user_image();
Glide.with(activity)
.load(ApiURLs.IMAGE_URL + channelImageURL)
.error(R.drawable.noimagefound)
.into(holder.imgChannel);
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");
String startDateTime = questionBeen.get(position).getCurrent_date_time();
String endDateTime = questionBeen.get(position).getEnd_date_time();
Date startDate = null, endDate = null;
try {
startDate = simpleDateFormat.parse(startDateTime);
endDate = simpleDateFormat.parse(endDateTime);
} catch (ParseException e) {
e.printStackTrace();
}
long start_millis = startDate.getTime();
long end_millis = endDate.getTime();
long total_millis = (end_millis - start_millis);
Log.e("checkTime" , "-->" + total_millis);
CountDownTimer cdt = new CountDownTimer(total_millis, 1000) {
@Override
public void onTick(long millisUntilFinished) {
long days = TimeUnit.MILLISECONDS.toDays(millisUntilFinished);
millisUntilFinished -= TimeUnit.DAYS.toMillis(days);
long hours = TimeUnit.MILLISECONDS.toHours(millisUntilFinished);
millisUntilFinished -= TimeUnit.HOURS.toMillis(hours);
long minutes = TimeUnit.MILLISECONDS.toMinutes(millisUntilFinished);
millisUntilFinished -= TimeUnit.MINUTES.toMillis(minutes);
long seconds = TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished);
holder.txtTime.setText(" " + days + " D: " + hours + " H: " + minutes + " M: " + seconds + " S ");
}
@Override
public void onFinish() {
holder.txtTime.setText("Finish!");
onViewClick.onClick(position);
}
};
cdt.start();
}
@Override
public int getItemCount() {
return questionBeen.size();
}
public class MyViewHolder extends RecyclerView.ViewHolder {
RecyclerView questionRecycle;
TextView txtQuestion, txtTime, txt_content, txt_userName, txt_totalComment, txt_submitComment, txt_channelName , txt_views , txt_referendums ,txt_comments;
ImageView imgShare, imgChannel;
EditText edt_comment;
public MyViewHolder(View itemView) {
super(itemView);
questionRecycle = (RecyclerView) itemView.findViewById(R.id.recyclerview_images);
txtQuestion = (TextView) itemView.findViewById(R.id.txt_question);
txtTime = (TextView) itemView.findViewById(R.id.txt_time);
txt_content = (TextView) itemView.findViewById(R.id.txt_content);
txt_userName = (TextView) itemView.findViewById(R.id.txt_userName);
txt_totalComment = (TextView) itemView.findViewById(R.id.txt_totalComment);
txt_submitComment = (TextView) itemView.findViewById(R.id.txt_submitComment);
txt_channelName = (TextView) itemView.findViewById(R.id.txt_channelName);
txt_views = (TextView) itemView.findViewById(R.id.txt_views);
txt_referendums = (TextView) itemView.findViewById(R.id.txt_referendums);
txt_comments = (TextView) itemView.findViewById(R.id.txt_comments);
imgShare = (ImageView) itemView.findViewById(R.id.img_share);
imgChannel = (ImageView) itemView.findViewById(R.id.img_channel);
edt_comment = (EditText) itemView.findViewById(R.id.edt_comment);
}
}
public interface OnViewClick {
void onClick(int position);
}
最佳答案
问题在于,在每次调用 onBindViewHolder
时,您都会创建一个新的 CountDownTimer
并更新该 ViewHolder
。因此在几次滚动之后,多个 CountDownTimer
将尝试更新相同的 ViewHolder
。
只为每个 ViewHolder
创建一个 CountDownTimer
。为此,在 ViewHolder< 上设置新的
.CountDownTimer
之前,通过调用 .cancel();
取消 CountDownTimer
/
为了访问已经在 ViewHolder
上设置的 CountDownTimer
,在 onCreateViewHolder
上创建它并将其放入 MyViewHolder
作为一个字段。
在 MyViewHolder
上有一个名为 say update
的公共(public)方法,它执行您在 onBindViewHolder
中编写的所有过程,并在 中简单调用更新>onBindViewHolder
的适配器。 (代码也更简洁 :) )
关于java - recyclerview 中的倒数计时器无法正常工作,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/47667246/