recyclerview-layout

问题 I have a recyclerview that contains fields with editTexts . When scrolling, the data in the edit texts gets all mixed up or erased due to some functions I use and the views being recycled. This could be completely solved if I could save my data before the view gets recycled. How can I detect that happening from WITHIN the adapter? 回答1: Just add below code in your adapter's onBindViewHolder method: viewHolder.setIsRecyclable(false); so you never lose your data on the scroll. 回答2: The

问题 I have a RecyclerViewAdapter which in onBindViewHolder, I make an AsyncTask call to download the image required from Google Cloud Storage. There are some items in the RecyclerViewAdapter which call for the same image. I tried to deal with this by only downloading the image if it doesn't already exist in the local file storage; otherwise if it does then it uses the image that has already been downloaded. Now what's happening is, if there are multiple items from the RecyclerView calling for the

问题 I'm trying to scroll recycler view item to top of screen when user clicks on an item. My layout is set as following - <FrameLayout> -- <ScrollView> --- <LinearLayout /> // static content --- <RecyclerView /> // dynamic content --- <LinearLayout /> // static content -- </ScrollView> -- </FrameLayout> What I want to achieve is when i click on an item of recyclerview. It should scroll up to top of the screen. I have tried following so far but no luck. -> // use recycler view's layout manager to

来源： https://stackoverflow.com/questions/49812498/gridlayoutmanager-spacing-is-not-consistent

来源： https://stackoverflow.com/questions/49812498/gridlayoutmanager-spacing-is-not-consistent

来源： https://stackoverflow.com/questions/51220412/recyclerview-adapter-getitemviewtype-method-sometimes-returns-2-8-etc-etc-inst

来源： https://stackoverflow.com/questions/51220412/recyclerview-adapter-getitemviewtype-method-sometimes-returns-2-8-etc-etc-inst

问题 recyclerView.addOnItemTouchListener(new MyListClickListener(getContext(), new MyListClickListener.ClickListener() { @Override public void onClick(View v, int position) { TextView textView = (TextView) v.findViewById(R.id.title); Fragment fragment = ((MyPagerAdapter) viewPager.getAdapter()).getFragment(1); FragmentTransaction ft = getFragmentManager().beginTransaction(); ft.detach(fragment); fragment.onDestroy(); ft.attach(fragment); ft.commit(); comm.sendData(String.valueOf(textView.getText()

问题 I am using SelectionTracker to implement a multiple selection RecyclerView. the select/unselect feature works as expected if I do it manually (Item is on the screen and I change its state by tapping) but if I try to unselect all items, some of which are off screen, using clearSelection method of selection tracker it only unselects the items which are currently visible on the screen. This is how I am building the SelectionTracker tracker = SelectionTracker.Builder<Long>( "mySelection",

问题 I am using SelectionTracker to implement a multiple selection RecyclerView. the select/unselect feature works as expected if I do it manually (Item is on the screen and I change its state by tapping) but if I try to unselect all items, some of which are off screen, using clearSelection method of selection tracker it only unselects the items which are currently visible on the screen. This is how I am building the SelectionTracker tracker = SelectionTracker.Builder<Long>( "mySelection",