RecyclerView 项目单击使用 RxJava2 + RxBinding 在片段替换后不起作用
RecyclerView item click using RxJava2 + RxBinding not working after Fragment replacements
我在片段中有一个 RecyclerView,项目点击是使用 RxJava2 处理的,如 中所述,它在非片段中工作正常。
private PublishSubject<Place> itemViewClickSubject = PublishSubject.create();
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.search_result_view, parent, false);
ViewHolder viewHolder = new ViewHolder(view);
// convert click events into reactive stream
RxView.clicks(view)
.takeUntil(RxView.detaches(parent))
// viewHolder.getPlace() is null until it get bound
.map(__ -> viewHolder.getPlace())
.subscribe(itemViewClickSubject);
return viewHolder;
}
片段中的 RecyclerView 只能正常工作一次。项目点击片段被替换为另一个片段。按下后,RecyclerView 片段出现,但点击不再起作用。
如果我删除 .takeUntil(RxView.detaches(parent))
行,它会起作用。我认为当 RecyclerView 未显示(分离)时,需要打破 RxView click 与 RecyclerView 的强绑定。我该如何解决这个问题?我希望使用 attach/detach 事件之一来解决问题,任何建议都很好!。谢谢
为了回答您的问题和评论,我将 RecylerView + RxJava 的完整解决方案发送给您:
private PublishSubject<Place> itemViewClickSubject = PublishSubject.create();
@Override
public void onBindViewHolder(ViewHolder viewHolder, int position) {
RxView.clicks(viewHolder.itemView) //viewHolder.itemView here You have access to view
.map(aVoid -> viewHolder.getPlace())
.subscribe(itemViewClickSubject);
}
@Override
public void onDetachedFromRecyclerView(RecyclerView recyclerView) {
itemViewClickSubject.onComplete(); //here we avoid memory leaks
}
我在片段中有一个 RecyclerView,项目点击是使用 RxJava2 处理的,如
private PublishSubject<Place> itemViewClickSubject = PublishSubject.create();
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.search_result_view, parent, false);
ViewHolder viewHolder = new ViewHolder(view);
// convert click events into reactive stream
RxView.clicks(view)
.takeUntil(RxView.detaches(parent))
// viewHolder.getPlace() is null until it get bound
.map(__ -> viewHolder.getPlace())
.subscribe(itemViewClickSubject);
return viewHolder;
}
片段中的 RecyclerView 只能正常工作一次。项目点击片段被替换为另一个片段。按下后,RecyclerView 片段出现,但点击不再起作用。
如果我删除 .takeUntil(RxView.detaches(parent))
行,它会起作用。我认为当 RecyclerView 未显示(分离)时,需要打破 RxView click 与 RecyclerView 的强绑定。我该如何解决这个问题?我希望使用 attach/detach 事件之一来解决问题,任何建议都很好!。谢谢
为了回答您的问题和评论,我将 RecylerView + RxJava 的完整解决方案发送给您:
private PublishSubject<Place> itemViewClickSubject = PublishSubject.create();
@Override
public void onBindViewHolder(ViewHolder viewHolder, int position) {
RxView.clicks(viewHolder.itemView) //viewHolder.itemView here You have access to view
.map(aVoid -> viewHolder.getPlace())
.subscribe(itemViewClickSubject);
}
@Override
public void onDetachedFromRecyclerView(RecyclerView recyclerView) {
itemViewClickSubject.onComplete(); //here we avoid memory leaks
}