SortedList Internals Article Votes Sharks To Finals 10 add(“To Rx…”, 9) 7 > 9 ? Shake The Phone 8 San Francisco Dating 7 To Rx or Not To Rx 5 Do Not Sleep 3
SortedList Internals Article Votes Sharks To Finals 10 add(“To Rx…”, 9) 10 > 12 ? Shake The Phone 8 San Francisco Dating 7 To Rx or Not To Rx 5 Do Not Sleep 3
SortedList Internals Article Votes Sharks To Finals 10 add(“To Rx…”, 9) 8 > 9 ? Shake The Phone 8 San Francisco Dating 7 To Rx or Not To Rx 5 Do Not Sleep 3
SortedList Internals Article Votes Sharks To Finals 10 Shake The Phone 8 San Francisco Dating 7 To Rx or Not To Rx 5 Do Not Sleep 3 To Rx or Not To Rx 9
ViewHolder Lifecycle onCreate onViewAttachedToWindow onViewDetachedFromWindow onRecycled onBindViewHolder the same item stop playing video start playing video
ViewHolder Lifecycle onCreate onViewAttachedToWindow onViewDetachedFromWindow onRecycled onBindViewHolder might be a different item release video resources acquire video resources
RecyclerView Update Cycle on frame handle pending changes scroll to position notify data change smooth scroll all structural changes postponed until next layout
RecyclerView::scrollToPosition onInit void onCreate(SavedInstanceState state) { .... mRecyclerView.scrollToPosition(selectedPosition); model.loadItems(items -> mRecyclerView.setAdapter( new ItemAdapter(items)); ); } will it work? ✓ No layout happens until both Adapter and LayoutManager are set.
Adapter::getItemViewType @Override public int getItemViewType(int position) { User user = mItems.get(position); if (user.isPremium()) { return TYPE_PREMIUM; } return TYPE_BASIC; }
Adapter::getItemViewType @Override public int getItemViewType(int position) { User user = mItems.get(position); if (user.isPremium()) { return TYPE_PREMIUM; } return TYPE_BASIC; }
Adapter::getItemViewType @Override public int getItemViewType(int position) { User user = mItems.get(position); if (user.isPremium()) { return R.layout.premium; } return R.layout.basic; }
Adapter::onCreateViewHolder public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { View view = mLayoutInflater.inflate(viewType, parent, false); return new UserViewHolder(view); } it is the R.layout id ;)
There Is Your Click Listener ItemClickListener prevents children clicks http://stackoverflow.com/questions/24885223/why-doesnt-recyclerview-have-onitemclicklistener-and-how-recyclerview-is-dif
MySuperSolidRecyclerView class MySuperSolidRecyclerView extends RecyclerView { public void onLayout() { try { super.onLayout(); } catch (Throwable t) { // ignore } } } NO NO NO NO fix your crash! (or report a bug :) )
Old Habits Die Hard public void onBindViewHolder(ViewHolder vh, final int position) { vh.likeButton.setOnClickListener = new OnClickListener() { items[position].liked = true; notifyItemChanged(position); } }
Old Habits Die Hard public void onBindViewHolder(ViewHolder vh, final int position) { vh.likeButton.setOnClickListener = new OnClickListener() { items[position].liked = true; notifyItemChanged(position); } } NO vh.getAdapterPosition()
Old Habits Die Hard public void onBindViewHolder(ViewHolder vh, final int position) { vh.likeButton.setOnClickListener = new OnClickListener() { items[position].liked = true; notifyItemChanged(position); } } NO NO NO use onCreateVH
Create public void onCreateViewHolder(int type) { if (type == HEADER) { if (headerVH == null) { headerVH = new HeaderViewHolder(...); } return headerVH; } } NO NO NO NO
Create public void onCreateViewHolder(int type) { if (type == HEADER) { if (headerVH == null) { headerVH = new HeaderViewHolder(...); } return headerVH; } } NO NO NO NO
Fooling* The RecyclerView void refreshData() { new AsyncTask(...) { void doInBackground() { List items = webservice.fetch(); adapter.setData(items); adapter.notifyDataSetChanged(); } } } NO NO NO
Fooling* The RecyclerView void refreshData() { new AsyncTask(...) { void doInBackground() { List items = webservice.fetch(); adapter.setData(items); } void onPostExecute() { adapter.notifyDataSetChanged(); } } } NO NO NO
ogiwarat
ivargrimstad
tmikov2023
akarin
pospome
jmatsu
tapompom
elainenaomi
tomokusaba
gmvalentino8
dalinaum
devoc
caitiem20
palkan
paigeccino
marktimemedia
chrisshort
shlominoach
3n
rmw
ddemaree
quramy
aleyda
holman